2015

Journals

・Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Takashi Yamamoto, Hirotsugu Yamamoto, Yoshizo Tanaka, Yoji Okada, Masayuki Ariyoshi, and T. Kumagai, “Indoor experimental evaluation of the QoE-oriented wireless LAN with dynamic network reconfiguration,” IEICE Trans. Commun., vol. E99-B, no. 2, pp. 507–522, Feb. 2016. DOI:10.1587/transcom.2015EBP3137

・Mariko Sekiguchi, Kazuto Yano, Satoshi Tsukamoto, Masayuki Ariyoshi, andTomoaki Kumagai, “Deriving maximum effective area throughput of dynamically reconfigurable QoE-oriented WLAN,” IEICE Communications Express, vol. 4, no.9, pp. 304-309, Sept. 2015. DOI:10.1587/comex.4.304

・Yafei Hou, Satoshi Tsukamoto, Takahiro Maeda, Masayuki Ariyoshi, Kiyoshi Kobayashi, Tomoaki Kumagai, and Minoru Okada,”Configuration of MIMO system using single leaky coaxial cable for linear cell environments,”IEICE Communications Express, vol.4, no.5, pp.143-148, May, 2015.

International Conferences

・Takahiro Fujita, Shinichiro Yamamoto, Satoru Aikawa, Satoshi Tsukamoro, Julian Webber, and T. Kumagai, “Study on Multiple Antenna Combining for Sequentially Switched Antenna Array Receivers,” 2015 International Symposium on Antennas and Propagation (ISAP2015), pp.788-790, Australia, Nov. 11, 2015.

・Julian Webber, Satoshi Tsukamoto, Takahiro Maeda, Tomoaki Kumagai, Shinichiro Yamamoto, and Satoru Aikawa,”Sequentially Switched Antenna Array and Application to a WiMAX System,” The 21st Asia-Pacific Conference on Communications (APCC2015), pp.158-163, Kyoto, Japan, Oct. 2015.

・Julian Webber, Hirokazu Kamoda, Naoya Kukutsu, and Tomoaki Kumagai,”Millimeter-wave Wireless Communication in a Data Center Cabinet with Adaptive Control of Propagation,” The 21st Asia-Pacific Conference on Communications (APCC2015), pp.272-277, Kyoto, Japan, Oct. 2015.

・Julian Webber, Satoshi Tsukamoto, Takahiro Maeda, Tomoaki Kumagai, Shinichiro Yamamoto, and Satoru Aikawa, “Study on Sequentially Switched Antenna Array Receiver for High Speed Train,” 2015 IEEE International Conference on Computer and Communications (ICCC2015), China, Oct. 2015.

・Shoichi Kitazawa, and Masazumi Ueba,”Study on beam switched telemetry communication antenna for small-scale unmanned supersonic airplane”, 30th International Symposium on Space Technology and Science (Kobe), 2015-t-21, July 2015.

・Tomoaki Toda, Naoya Kukutsu, Shoichi Kitazawa, Susumu Ano, Hirokazu Kamoda, Tomoaki Kumagai, Kiyoshi Kobayashi, Masataka Ohira, and Satoru Shimizu, “Intra-spacecraft wireless link and its application to spacecraft environmental tests” 30th Int. Symp. on Space Tech. and Science 155,2,300-305), June 2015.

International Standardization

・Satoshi Tsukamoto, “Channel model for leaky cable from the cable to repeater in tunnel,” doc: 3GPP R4-153358, May 2015.

・Huawei, HiSilicon, and ATR, “Way forward on leaky cable channel model,” doc: 3GPP R4-153860, May 2015.

・NTT DOCOMO, Qualcomm, CMCC, LGE, and ATR , “WF (Way forward) on demodulation performance requirements under the existing high speed scenarios,” doc: 3GPP R4-153854, May 2015.

2014

Journals

・Webber Julian, Yofune Masanori, Kazuto Yano, Kukutsu Naoya, Kobayashi Kiyoshi, Kumagai Tomoaki, “Frequency Offset Estimation for Satellite Communications with Adaptive Frame Averaging”, ICACT Transactions on Advanced Communications Technology (ICACT-TACT), ICACT Transactions on the Advanced Communications Technology(TACT), Vol. 3, Issue 6, November 2014, pp.533-541, Nov.2014

International Conferences

・Masayuki Ariyoshi, Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Tomoaki Kumagai, “Experimental Evaluation of a QoE-Oriented Network Management for Wireless LAN in Shared Spectrum Band”, SDR – WInnComm 2015, pp.1-8, Mar.2015

・Mariko Sekiguchi, Kazuto Yano, Tomohiro Miyasaka, Masayuki Ariyoshi, Tomoaki Kumagai, “QoE-Oriented WLAN: Smart Access Control Scheme for Maximising Users’ QoE Satisfaction”, IEEE Wireless Communications and Networking Conference (WCNC 2015), pp.277-282, Mar.2015

・Webber Julian, Tsukamoto Satoshi, Ano Susumu, Kukutsu Naoya, Kumagai Tomoaki,”Direction of Arrival Estimation Apparatus for Communication Based Train Control System using ESPAR Antenna”, IEEE International Conference on Digital Information, Networking, andWireless Communications (DINWC2015), pp.49-54, Feb.2015

・Yafei Hou, Satoshi Tsukamoto, Takahiro Maeda, Masayuki Ariyoshi, Kiyoshi Kobayashi, Tomoaki Kumagai, Atsuhiko Niwa, Fumio Suzuki, Minoru Okada, “Realization of 4-by-4 MIMO Channel Using One Composite Leaky Coaxial Cable”, The 12th Annual IEEE Consumer Communications and Networking Conference (CCNC 2015), pp.103-108, Jan.2015

・Yafei Hou, Satoshi Tsukamoto, Masayuki Ariyoshi, Kiyoshi Kobayashi, Tomoaki Kumagai, Minoru Okada, “Performance Comparison for 2 by 2 MIMO System Using Single Leaky Coaxial Cable over WLAN Frequency Band”, Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2014, 978-616-361-823-8, Dec.2014

・Satoshi Tsukamoto, Takahiro Maeda, Masayuki Ariyoshi, Yafei Hou, Kiyoshi Kobayashi, Tomoaki Kumagai, “An Experimental Evaluation of 2×2 MIMO System Using Closely-Spaced Leaky Coaxial Cables”, Asia-Pacific Signal and Information Processing Association The sixth Annual Summit and Conference 2014 (APSIPA 2014), 978-616-361-823-8, Dec.2014

・Hirokazu Kamoda, Susumu Ano, Shoichi Kitazawa, Naoya Kukutsu, Tomoaki Kumagai, “Microwave Radio Propagation in Automobile Engine Compartment”, 19th International Symposium on Antennas and Propagation, pp.211-212, Dec.2014

・Satoru Aikawa, Shinichiro Yamamoto, Ryosuke Baba, Satoshi Tsukamoto, Julian Webber, Masayuki Ariyoshi, ”Proposal of Sequentially Switched Antenna Array Receiver on High Speed Vehicles Entrance”, 2014 Thailand-Japan MicroWave (TJMW2014), N/A, Nov.2014

・Ryosuke Baba, Shinichiro Yamamoto, Satoru Aikawa, Satoshi Tsukamoto, Julian Webber, Masayuki Ariyoshi, “A Study of Combine Effect to Multiple Elements in Sequentially Switched Antenna Array Receiver”, 2014 Thailand-Japan MicroWave (TJMW2014), N/A , Nov.2014

・Yafei Hou,Satoshi Tsukamoto,Masayuki Ariyoshi,Kiyoshi Kobayashi,Minoru Okada,”4-by-4 MIMO Channel Using Two Leaky Coaxial Cables (LCXs) for Wireless Applications over Linear-cell”,2014 IEEE 3rd Global Conference on Consumer Electronics (GCCE 2014),pp.125-126,Oct.2014

・Masanori Yofune,Julian Webber,Kazuto Yano,Naoya Kukutsu,Kiyoshi Kobayashi,”Optimized 5-bits/symbol PPM/E-PPM Signal Sets for Satellite Communications”,20th Ka and Broadband Communications,Navigation and Earth Observation Conference, N/A,Oct.2014

・Yafei Hou,Satoshi Tsukamoto,Masayuki Ariyoshi,Kiyoshi Kobayashi,Mimoru Okada,”2 X 2 MIMO System Using Single Leaky Coaxial Cable for Linear-cells”,2014 IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2014),pp.408-412,Sep.2014

・ Webber Julian, Masanori Yofune, Kazuto Yano, Naoya Kukutsu, Kiyoshi Kobayashi, “Frequency Recovery Algorithm using Distributed Unique Word for Satellite Poly-Polarization Multiplexing System with Experimental Results”, 32nd AIAA International Communications Satellite Systems Conference, N/A, Aug.2014

・Masataka Ohira(Saitama Univ.), Susumu Ano, Shoichi Kitazawa, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi, “Microwave Propagation Characterization in Automotive Engine Compartment for Wireless Harness Communications”, The 2014 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI 2014), pp.1179-1180, Jul.2014

・Satoshi Tsukamoto,Takahiro Maeda,Yafei Hou,Masayuki Ariyoshi,Kiyoshi Kobayashi, “Frequency characteristics of 2 × 2 MIMO system with a single leaky coaxial cable for WLAN”,The 29th International Technical Conference on Circuit/Systems Computers and Communications (ITC-CSCC 2014),pp.756-759,Jul.2014

・ Masayuki Ariyoshi, “APT Activities on SRD Frequency Usage Harmonisation”, ITU Workshop on Short Range Devices and Ultra-Wideband, N/A, May2014

Standardization Conferences

・Shoichi Kitazawa, Masayuki Ariyoshi, “Additional TG4s use case and consideration of SRM information”, IEEE 802 Plenary session, IEEE 802.15-15-0199-00-004s, Mar.2015

・Shoichi Kitazawa, Masayuki Ariyoshi,”An Initial Proposal of Reference Architecture for TG4s”, IEEE 802 Interim meeting, IEEE 802.15-15-0027-00-004s, Jan.2015

・Shoichi Kitazawa, Masayuki Ariyoshi, “SRM related function in 802.15.4-2011”, IEEE 802 Plenary meeting, 15-14-0624-00-004s, Nov.2014

・ Satoshi Tsukamoto, Shan Lu, “A consideration of indoor linear cells using a leaky coaxial cable”,3GPP TSG-RAN Working Group 1 (Radio) meeting #78bis (Ljubljana),R1-144284,Oct.2014

・ Shoichi Kitazawa, Masayuki Ariyoshi, “Overview of 802.15 SRU SG”, IEEE 802 Plenary Meeting, IEEE 19-14-0046-00-0CUB, Jul.2014

・ Webber Julian,”PROPOSED MODIFICATIONS TO A PRELIMINARY DRAFT NEW REPORT ITU-R S.[MULTI_POL] – MULTI-DIMENSIONAL SIGNAL MAPPING TECHNIQUE FOR SATELLITE COMMUNICATIONS CONTAINED IN ANNEX 4 TO WORKING PARTY 4B CHAIRMAN’S REPORT”,ITU-R WP4 Meeting, N/A,Jun.2014

・ Masayuki Ariyoshi, Shoichi Kitazawa, Mineo Takai, Shusaku Shimada, Mitsuru Iwaoka, , “Proposal on Updating PAR Draft for Spectrum Resources Usage in WPANs”, IEEE 802 Wireless Interim Meeting802.15 SG SRU, IEEE 15-14-0278-01-0sru, Jun.2014

・ Shoichi Kitazawa, Masayuki Ariyoshi, “Working draft of SG SRU CSD”, IEEE 802 Interim meeting, IEEE 15-14-0175-01-0sru, May2014

・ Shoichi Kitazawa, Masayuki Ariyoshi, “SRU Working draft PAR”, IEEE 802 Interim meeting, IEEE 15-13-0615-04-0sru, May2014

Tech. Meeting

・Satoshi Tsukamoto, Takahiro Maeda, Julian Webber, Masayuki Ariyoshi, Tomoaki Kumagai, Shinichiro Yamamoto(University of Hyogo), Satoru Aikawa(University of Hyogo), ”Measurements of Mutual Coupling between Antenna Elements for Sequentially Switched Antenna Array Receiver”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference 2015, B-5-131, pp.486, Mar.2015

・Takahiro Fujita(University of Hyogo), Ryosuke Baba(University of Hyogo), Shinichiro Yamamoto(University of Hyogo), Satoru Aikawa(University of Hyogo), Satoshi Tsukamoto, Julian Webber, Masayuki Ariyoshi, “Selective Combining of Multiple Elements in Sequentially Switched Antenna Array Receivers”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference 2015, B-5-132, pp.487, Mar.2015

・Julian WEBBER, Hirokazu KAMODA, Naoya KUKUTSU, Tomoaki KUMAGAI,”Study on Millimeter-wave Wireless Communication in a Data Center Server Rack”,The Institute of Electronics,Information and Communication Engineers(IEICE) General Conference 2015,B-5-150,pp.505, Mar.2015

・Hirokazu KAMODA, Julian WEBBER, Naoya KUKUTSU, Tomoaki KUMAGAI, “Millimeter-wave Propagation in a Data Center Server Rack for Internal Wireless Communication”, The Institute of Electronics,Information and Communication Engineers(IEICE) General Conference 2015, B-5-149, pp.504, Mar.2015

・Rohit Datta, Issei Kanno(ATR Adaptive Communications Research Laboratories), Masayuki Ariyoshi, “Evaluation of Improved Incumbent Protection by Non-Orthogonal GFDM Transmissions for 5G Cognitive Radio”, The Institute of Electronics, Information and Communication Engineers(IEICE) General Conference 2015, B-17-20, pp.567, Mar.2015

・Takashi Yamamoto(Sumitomo Electric Industries, Ltd.), Yoshizo Tanaka(Sumitomo Electric Industries, Ltd.), Tsukasa Kitagawa(Sumitomo Electric Industries, Ltd.), Hirotsugu Yamamoto(Sumitomo Electric Industries, Ltd.), Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Masayuki Ariyoshi, Tomoaki Kumagai, Yoji Okada(Sumitomo Electric Industries, Ltd.), “Coexistence Scheme for QoE-Oriented Wireless LAN and Wireless Sensor Networks”, The Institute of Electronics, Information and Communication Engineers(IEICE) General Conference 2015, B-17-8,pp.555), Mar.2015

・Tsukasa Kitagawa(Sumitomo Electric Industries, Ltd.), Yoshizo Tanaka(Sumitomo Electric Industries, Ltd.), Takashi Yamamoto(Sumitomo Electric Industries, Ltd.), Hirotsugu Yamamoto(Sumitomo Electric Industries, Ltd.), Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Masayuki Ariyoshi, Tomoaki Kumagai, Yoji Okada(Sumitomo Electric Industries, Ltd.), “Dynamic Reconfiguration Scheme for QoE-Oriented Wireless Networks”, The Institute of Electronics, Information and Communication Engineers(IEICE) General Conference 2015, B-17-6, pp. 553, Mar.2015

・Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Tsukasa Kitagawa(Sumitomo Electric Industries, Ltd.), Takashi Yamamoto(Sumitomo Electric Industries, Ltd.), Hirotsugu Yamamoto(Sumitomo Electric Industries, Ltd.), Yoshizo Tanaka(Sumitomo Electric Industries, Ltd.), Yoji Okada(Sumitomo Electric Industries, Ltd.), Masayuki Ariyoshi, Tomoaki Kumagai, “Experimental Performance Evaluation of the QoE-Oriented Wireless LAN with Dynamic Network Reconfiguration”, The Institute of Electronics, Information and Communication Engineers(IEICE) General Conference 2015, B-17-7, pp. 554, Mar.2015

・Masanori Yofune, Julian Webber, Hirokazu Kamoda, Kazuto Yano, Kukutsu Naoya, Tomoaki Kumagai, “Field Trials on Dynamic Polarization and Frequency Control SATCOM System -Poly-Polarization Spatial Multiplexing-“, The Institute of Electronics, Information and Communication Engineers(IEICE) General Conference 2015,B-3-20, pp.272, Mar.2015

・Katsuya Nakahira(NTT Network Innovation Laboratories), Jun-ichi Abe(NTT Network Innovation Laboratories), Jun Mashino(NTT Network Innovation Laboratories), Hisayoshi Kano(NTT Access Network Service Systems Laboratories ), Kohei Suzaki(NTT Network Innovation Laboratories), Takatoshi Sugiyama(NTT Network Innovation Laboratories), Kiyoshi Kobayashi(NTT Access Network Service Systems Laboratories), Masanori Yofune, Julian Webber, Kazuto Yano, Naoya Kukutsu, “Field Trials on Dynamic Polarization and Frequency Control SATCOM System-Overview-“, The Institute of Electronics, Information and Communication Engineers(IEICE) General Conference 2015,B-3-17, pp.269, Mar.2015

・Yafei Hou, Tomohiro Miyasaka, Kazuto Yano, Masayuki Ariyoshi, Tomoaki Kumagai,”Service Detection for Audio and Video Using Periodical Characteristics of Transmission Pattern”, The Institute of Electronics, Information and Communication Engineers (IEICE) General Conference 2015,B-17-10, p.557, Mar.2015

・Tomohiro Miyasaka, Mariko Sekiguchi, Kazuto Yano,”Practical Traffic Generation Procedures of Audio and Video for Evaluation of Communication Performance”, The Institute of Electronics, Information and Communication Engineers (IEICE) General Conference 2015, BT-4-4, pp.SS-63-66, Mar.2015

・Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Tsukasa Kitagawa(Sumitomo Electric Industries, Ltd.), Takashi Yamamoto(Sumitomo Electric Industries, Ltd.), Hirotsugu Yamamoto(Sumitomo Electric Industries, Ltd.), Yoshizo Tanaka(Sumitomo Electric Industries, Ltd.), Yoji Okada(Sumitomo Electric Industries, Ltd.), Masayuki Ariyoshi, Tomoaki Kumagai, “Experimental Evaluation of the QoE-Oriented Wireless LAN with Dynamic Network Reconfiguration in Indoor Environment”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Smart Radio (SR), Vol.114, No.491, pp.77-84, SR2014-125, Mar.2015

・Tomohiro MIYASAKA, Kazuto YANO, Masayuki ARIYOSHI, Tomoaki KUMAGAI, “Performance Evaluation of Wireless System Detection in 2.4 GHz Band Based on Neighbouring Time-Frequency Power Ratios”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Smart Radio (SR), vol. 114, no. 491, SR2014-126, pp. 85-91, Mar.2015

・Rohit DATTA, Issei KANNO(ATR Adaptive Communications Research Laboratories), Masayuki ARIYOSHI,”Evaluation of Flexible Hybrid Multicarrier Transmission System for 5G Mobile Network”, The Institute of Electronics,Information and Communication Engineers(IEICE),Technical Committee on Smart Radio (SR), SR2014-111 pp. 1-5, Mar.2015

・Julian WEBBER, Satoshi TSUKAMOTO, Takahiro MAEDA, Masayuki ARIYOSHI, Tomoaki KUMAGAI, Shinichiro YAMAMOTO(University of Hyogo), Satoru AIKAWA(University of Hyogo), “Sequentially switched antenna array receiver for OFDM systems””, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Antennas & Propagation (AP), A・P2014-205(2015-2) pp.101-105, Feb.2015″

・Kazuto Yano, Shoichi Kitazawa, Susumu Ano, Masayuki Ariyoshi, Tomoaki Kumagai, Hiroki Fushimi(Japan Remote Control Co., Ltd.), Masazumi Ueba(Muroran Institute of Technology), Ken Higuchi(Muroran Institute of Technology), “Antenna-Tracking Method for Monitoring of Large Building Using Multiple UAVs”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication(SAT), Vol.114, No.449, pp.1-6, SAT2014-51, Feb.2015

・Shoichi Kitazawa, Masazumi Ueba(Muroran Institute of Technology ), “A Study of 1.2GHz band telemetry communication antenna for small-scale unmanned supersonic airplane”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication (SAT), SAT2014-53(2015-2)pp.13-18, Feb.2015

・Julian WEBBER, Masanori YOFUNE, Kazuto YANO, Naoya KUKUTSU, Tomoaki KUMAGAI, “Improved Accuracy Frequency Offset Estimation for a Poly-Polarization Multiplexing System”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication (SAT), SAT2014-55(2015-2)pp.25-30, Feb.2015″

・Yuka Kume(Nara Institute of Science and Technology), Trono Edgar Marko Sarmiento(Nara Institute of Science and Technology), Yutaka Arakawa(Nara Institute of Science and Technology), Keiichi Yasumoto(Nara Institute of Science and Technology), Masayuki Ariyoshi, “A Mountain Slope Monitoring System by Using Used Smartphones and Pressure-Based Routing Method”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Mobile Network and Applications (MoNA), MoNA2014-62(2015-01) pp.25-30, Jan.2015

・Trono Edgar Marko Sarmiento(Nara Institute of Science and Technology), Yuka Kume(Nara Institute of Science and Technology), Yutaka Arakawa(Nara Institute of Science and Technology), Keiichi Yasumoto(Nara Institute of Science and Technology), Masayuki Ariyoshi,”Implementation of a Mountainside Sensor Network with an Ambient Air Pressure-Based Routing Scheme”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Mobile Network and Applications (MoNA), MoNA2014-75,ASN2014-131,MICT2014-62(2015-01),pp.41-43, Jan.2015

・Rohit Datta, Issei Kanno, Masayuki Ariyoshi, “Adaptive Subcarrier Bandwidth for 5G GFDM Transmission”, The Institute of Electronics,Information and Communication Engineers(IEICE),Technical Committee on Smart Radio (SR), SR2014-105(2015-01), pp.69-73, Jan.2015

・Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Tomoaki Kumagai, Tomohiro Miyasaka, “Transmission Bandwidth Control in QoE-Oriented WLAN for Efficient Support of Multi-Rate Applications”, The Institute of Electronics,Information and Communication Engineers(IEICE),Technical Committee on Smart Radio (SR), SR2014-102(2015-01) pp.49-56, Jan.2015

・Satoshi Tsukamoto, Takahiro Maeda, Lu Shan, Julian Webber, Masayuki Ariyoshi, Tomoaki Kumagai,”Sequentially Switched Antenna Array Receiver for High Speed Vehicles”, 2015 Vietnam-Japan International Symposium on Antennas and Propagation (VJISAP2015), pp.102-105, Jan.2015

・Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Tomoaki Kumagai,”Performance of QoE-Oriented Wireless LAN with Access Control for Supporting Delay-Sensitive Applications”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Radio Communication Systems (RCS), RCS2014-224(2014-12) pp.25-29, Dec.2014

・Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Tomoaki Kumagai,”Evaluation of Transmission Delay in Wireless LAN Using Access Control Based on QoE-Satisfied Throughput”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Radio Communication Systems (RCS), RCS2014-223(2014-12) pp.19-24, Dec.2014

・Ryosuke Baba(University of Hyogo), Shinichiro Yamamoto(University of Hyogo), Satoru Aikawa(University of Hyogo), Satoshi Tsukamoto, Julian Webber, Masayuki Ariyoshi, “Combine Scheme to Multiple Elements in Sequentiqally Switched Antenna Array Receiver”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Communication Systems (CS), CS2014-72(2014-11) pp.111-115, Nov.2014

・Satoshi Tsukamoto,Takahiro Maeda,Yafei Hou,Masayuki Ariyoshi,Kiyoshi Kobayashi,Tomoaki Kumagai, “A Linear Cell MIMO System with Leaky Coaxial Cables-To Realize Low-latency and Reliable Communication on 5G System-”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Radio Communication Systems(RCS),pp.55-60,Oct.2014

・Shoichi Kitazawa, Hirokazu Kamoda, Naoya Kukutsu, Kiyoshi Kobayashi, Koichi Nose(Renesas Electronics), Yoshifumi Ikenaga(Renesas Electronics), Koichiro Noguchi(Renesas Electronics), Yoichi Yoshida(Renesas Electronics),”Energy Harvesting from Ambient Radio Wave”,The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Wireless Power Transmission,pp.28-33,Oct.2014

・Satoshi Tsukamoto,Takahiro Maeda,Yafei Hou,Masayuki Ariyoshi,Kiyoshi Kobayashi,”Block Error Rate Measurements of 2x2 MIMO System with Single Leaky Coaxial Cable”,The Institute of Electronics,Information and Communication Engineers(IEICE)Society Conference 2014,B-1-147, p.147,Sep.2014

・ Kazuto Yano,Mariko Sekiguchi,Tomohiro Miyasaka,Masayuki Ariyoshi,Kiyoshi Kobayashi,”Experimental Performance Evaluation of the QoE-oriented Wireless LAN System”,The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2014,B-17-15, p.405,Sep.2014

・ Hirokazu Kamoda,Susumu Ano,Hisao Nakahara,Shoichi Kitazawa,Naoya Kukutsu,Kiyoshi Kobayashi,”Measurement and Analysis of Propagation Loss and Delay Spread in Automobile Engine Compartment”,The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2014,B-1-15, p.15,Sep.2014

・Masanori Yofune,Julian Webber,Kazuto Yano,Naoya Kukutsu,Kiyoshi Kobayashi, “Performance Evaluation of Optimized 5bit/symbol E-PPM Signal Sets for Satellite Communications”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2014,B-3-16,Sep.2014

・Webber Julian,Yofune Masanori,Kazuto Yano,Kukutsu Naoya,Kobayashi Kiyoshi, “Performance of a Poly-Polarization Multiplexing System in Ku-band Satellite Channel”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2014,B-3-15,Sep.2014

・Tomohiro Miyasaka,Kazuto Yano,Masayuki Ariyoshi,Kiyoshi KobayashI,”Detection of Wireless Systems on 2.4GHz Band Using Power Ratios between Nearest Neighbour Time-Frequency Points”, The Institute of Electronics, Information and Communication Engineers(IEICE) Society Conference 2014,B-17-16,Sep.2014

・Mariko Sekiguchi,Kazuto Yano,Masayuki Ariyoshi,Kiyoshi Kobayashi, “Theoretical Analysis of QoE-satisfied Throughput in the QoE-oriented Wireless LAN System”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2014,B-17-14,Sep.2014

・ Shoichi Kitazawa,Hirokazu Kamoda,Susumu Ano,Naoya Kukutsu,Kiyoshi Kobayashi,”A Study of Realization of Wireless Harness for Automobile”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication (SAT),SAT2014-30,pp.27-32,Aug.2014

・Naoya Kukutsu,”Toward practical applications of THz-wave”,The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Microwave Engineering (MW)( Invited talks organized by IEEE MTT-S Nagoya Chapter),N/A,Jun.2014

・ Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Development of QoE-oriented Wireless LAN System”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Smart Radio(SR), Vol.114, No.44, pp.23-30, SR2014-4, May2014

・ Kazuto Yano, Satoshi Tsukamoto, Satoshi Sonobe, Yafei Hou, Hiroshi Ban, Masahiro Uno, Kiyoshi Kobayashi, “Development of Nonlinear Multiuser MIMO Transmission System Based on Vector Perturbation and Its Field Experimental Results”, The Journal of the Institute of Electronics, Informationand Communication Engineers(J. IEICE), Vol.97, No.4, pp.307-312, Apr.2014

2013

Journals

・ Yafei Hou, Satoshi Tsukamoto, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi, “Introducing Dual Regularization Parameters into Regularized Channel Inversion (RCI)-Based Vector Perturbation for Modulo Loss Reduction”, ICACT Transactions on the Advanced Communications Technology, Vol. 2, Issue 6, pp. 361-368, November 2013, Nov.2013

・ Masanori Yofune, Julian Webber, Kazuto Yano, Hiroshi Ban, Kiyoshi Kobayashi, “Optimization of Signal Design for Poly-polarization Multiplxing in Satellite Communications”, IEEE Communications letters, Vol.17, No.11, pp.2017-2020, Oct.2013

International Conferences

・ Takeshi Higashino(NAIST), Minoru Okada(NAIST), Takahiro Maeda, Satoshi Tsukamoto, “Position Location using OFDM signal in LCX Linear Cell MIMO System”, International Conference on Advances in Computer Science and Electronics Engineering – CSEE 2014, N/A, Mar.2014

・ Masayuki Ariyoshi, Kazuto Yano, Tomohiro Miyasaka, Mariko Sekiguchi, Kiyoshi Kobayashi, “Design of a Self-Organising Wireless Network Improving Application QoE in Shared Spectrum Band”, SDR – WInnComm 2014, ISBN 978-1-905824-36-6, pp.1-9, Mar.2014

・ Webber Julian, Yofune Masanori, Yano Kazuto, Ban Hiroshi, Kukutsu Naoya, Kobayashi Kiyoshi, “Adaptive Frequency Offset Estimation for Practical Satellite Communication Channels”, International Conference on Advanced Communications Technologieshttp://www.icact.org, ISBN 978-89-968650-2-5, pp.249-254, Feb.2014

・ Hirokazu Kamoda, Masahiro Hanazawa, Shoichi Kitazawa, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi, “Design of rectenna array panel taking into account mutual coupling for RF energy harvesting”, IEEE Radio and Wireless Symposium 2014, ISBN 978-1-4799-2181-2, pp.61-63, Jan.2014

・ Satoshi Tsukamoto, Takahiro Maeda, Tomohiro Miyasaka, Hiroshi Ban, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Congestion Avoidance with Extra Transmission Wait for Simultaneous-Triggered M2M Wireless Devices under Limited Radio Resources Conditions”, 2013 Thailand-Japan MicroWave (TJMW2013), N/A, Dec.2013

・ Webber Julian Leonard, Masanori Yofune, Kazuto Yano, Hiroshi Ban, Kiyoshi Kobayashi, “Performance of Frequency Recovery Algorithms for a Poly-Polarization Multiplexing Satellite System”, IEEE Malaysia International Conference on Communications (MICC 2013), N/A, Nov.2013

・ Hirokazu Kamoda, Masahiro Hanazawa, Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “Mutual coupling effect on rectenna array for RF energy harvesting”, European Microwave Conference 2013, ISBN 978-2-87487-031-6, pp.503-506, Oct.2013

・ Webber Julian Leonard, Masanori Yofune, Kazuto Yano, Hiroshi Ban, Kiyoshi Kobayashi, “Experimental Evaluation of a Poly-Polarization Multiplexing System with Timing/Frequency Recovery for Satellite Communications”, 31st AIAA International Communications Satellite Systems Conference (ICSSC), N/A, Oct.2013

・ Masanori Yofune, Julian Webber, Kazuto Yano, Hiroshi Ban, Kiyoshi Kobayashi, “Performance Evaluation of Enhanced Poly-polarization Multiplexing Scheme for Satellite Communications”, 31st AIAA International Communications Satellite Systems Conference (ICSSC), N/A, Oct.2013

・ Katsuya Nakahira(NTT Access Service System Laboratories), Jun Mashino(NTT Access Service System Laboratories), Jun-ichi Abe(NTT Access Service System Laboratories), Takatoshi Sugiyama(NTT Access Service System Laboratories), Masanori Yofune, “Multidimensional Channel Allocation Algorithm to Maximally Utilize Bandwidth and Power of a Satellite Transponder”, 31st AIAA International Communications Satellite Systems Conference (ICSSC), N/A, Oct.2013

・ Hironobu HATAMOTO(Oki Electric Industry Co., Ltd.), Susumu ANO, Noriyasu KIKUCHI(Oki Electric Industry Co., Ltd.), Satoru SHIMIZU(Oki Electric Industry Co., Ltd.), “An evaluation of transmission performance for wireless harness systems usingpropagation models in an automobile engine compartment”, 2013 IEEE 24th International Symposium on Personal Indoor and Mobile RadioCommunications, ISBN978-1-4577-1348-4, pp.117-121, Sept.2013

・ Kazuto Yano, Masahiro Uno, Tomohiro Miyasaka, Koji Oshima, Yoshizo Tanaka(Sumitomo Electric Industires, Ltd), Kenichi Murakami(Sumitomo Electric Industires, Ltd), Takeshi Yamamoto(Sumitomo Electric Industires, Ltd), Hirotsugu Yamamoto(Sumitomo Electric Industires, Ltd), Yoji Okada(Sumitomo Electric Industires, Ltd), Kiyoshi Kobayashi, Masayuki Ariyoshi, “Dynamic and Reconfigurable M2M Wireless Network with QoE-based Control”, Future Network & Mobile Summit 2013, ISBN 978-1-905824-36-6, pp.1-9, Jul.2013

・ Masahiro Uno, Tomohiro Miyasaka, Kazuto Yano, Masayuki Ariyoshi, Satoshi Tsukamoto, Koji Oshima, Kiyoshi Kobayasshi, ”A Proposal of QoE based Self-Organized Wireless System Considering the Measurement Results in a Major Hospital”, The 9th International Workshop on Wireless Network Measurements (WiNMee 2013), ISBN 978-1-61284-824-2, pp.101-106, May2013

・ Satoshi Sonobe, Satoshi Tsukamoto, Takahiro Maeda, Kazuto Yano, Hiroshi Ban, Masahiro Uno, Kiyoshi Kobayashi, “Field Experiments of LTE-Advanced-Based 8×8 Multiuser MIMO System with Vector Perturbation”, The 9th International Workshop on Wireless Network Measurements (WiNMee 2013), ISBN 978-1-61284-824-2, pp.83-88, May2013

・ Shoichi Kitazawa, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Interference issues on 2.4GHz ISM Band”, 6th Global Symposium on Millimeter Wave 2013Panel session “Wireless Sensor Networks: Smarter Business?”,N/A, Apr.2013

・ Shoichi Kitazawa, Masahiro Hanazawa, Susumu Ano, Hirokazu Kamoda, Hiroshi Ban, Kiyoshi Kobayashi, “Field Test Results of RF Energy Harvesting from Cellular Base Station”, 6th Global Symposium on Millimeter Wave 2013, GSMM2013 1569736061 pp.1-4, Apr.2013

Standardization Conferences

・ Shoichi Kitazawa, Masayuki Ariyoshi, “Working draft of SRU CSD”, IEEE 802 Plenary session, IEEE 15-14-0175-00-0sru, Mar.2014

・ Webber Julian, “PROPOSED MODIFICATIONS TO WORKING DOCUMENT TOWARDS A PRELIMINARY DRAFT NEW REPORT ITU-R S.[MULTI_POL]Multi-dimensional Signal Mapping Technique for Satellite Communications contained in Annex 4 to Working Party 4B Chairman’s Report”, ITU-R WP4B, N/A, Feb.2014

・ Masayuki Ariyoshi, Kazuto Yano, Mariko Sekiguchi, Tomohiro Miyasaka, Shoichi Kitazawa, Kiyoshi Kobayashi, “A Study on Radio Resource Measurement and Management”, IEEE 802 Wireless Interim Meeting802.15 SG SRU, N/A, Jan.2014

・ Masayuki Ariyoshi, Shoichi Kitazawa, “Update Proposal on the Draft 5C for Spectrum Resources Usage in WPANs”, IEEE 802 Plenary Meeting802.15 SG SRU, IEEE802.15-13-0638-00-0sru, Nov.2013

・ Shoichi Kitazawa, “SG SRU September 2013 Agenda, SG SRU Opening Information for Nanjing 2013, SG SRU Closing report September 2013, SG SRU September 2013 meeting minutes”, IEEE 802 Wireless interim session, IEEE 15-13-484-00-0sru,etc, Sept.2013

・ Masayuki Ariyoshi, Shoichi Kitazawa, “Initial Proposal on Drafting PAR for Spectrum Resources Usage in WPANs”, IEEE 802 Wireless Interim Meeting, IEEE 15-13-0550-01-0sru, Sept.2013

・ Shoichi Kitazawa, “Overview of SG SRU”, IEEE 802 Wireless Interim Meeting, IEEE 15-13-0543-00-0sru, Sept.2013

・ Webber Julian, Yofune Masanori, Yano Kazuto, Ban Hiroshi, Kukutsu Naoya, Kobayashi Kiyoshi, “MULTI-DIMENSIONAL SIGNAL MAPPING TECHNIQUE FOR SATELLITE COMMUNICATIONS”, ITU-R SG4,Geneva, Sep.30th-Oct.4th, N/A, Sept.2013

・ Shoichi Kitazawa, Yafei Hou, Tomohiko Miyasaka, Masayuki Ariyoshi, Kazuto Yano, Kiyoshi Kobayashi, “Evaluation of Impact of Spectrum Sensing Duration”, IEEE 802 Plenary session, IEEE 802.15-13-0438-00-0sru, Jul.2013

・ Shoichi Kitazawa, “Establishing a Study Group for a Spectrum Resource Utilization (SRU) through Radio Resource Measurement and Management for WPANs”, IEEE 802 Plenary session, IEEE 802.15-13-0404-01-0wng, Jul.2013

・ Shoichi Kitazawa, Masayuki Ariyoshi, Tomohiko Miyasaka, Kazuto Yano, Kiyoshi Kobayashi, “A Use Case of Self-Organizing Wireless Network for Medical System”, IEEE 802 Wireless Interim session, IEEE 15-13-0306-00-0sru, May2013

Tech. Meeting

・ Masataka Ohira(Saitama Univ.), Susumu Ano, Shoichi Kitazawa, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi, “Analytical Evaluation of Radiowave Propagation Properties Based on Measured Path Loss in Automotive Engine Compartment”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Microwave Engineering (MW), MW2013-197 pp.1-6, Mar.2014

・ Ryosuke Baba(Univ. of Hyogo), Shinichiro Yamamoto(Univ. of Hyogo), Satoru Aikawa(Univ. of Hyogo), Satoshi Tsukamoto, Yafei Hou, Masayuki Ariyoshi, “Basic Performance Evaluation on Sequentially Switched Antenna Array Receiver -Enhanced Data Transmission Rate on High Speed Vehicles-“, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Software Radio (SR), SR2013-103(2014-03), pp.47-51, Mar.2014

・ Kazuto Yano, Tomohiro Miyasaka, Mariko Sekiguchi, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Evaluation of QoE Satisfaction Improvement by QoE-Oriented WLAN System under an Evacuation Center Scenario”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Software Radio (SR), Vol.113, No.457, pp.137-144, SR2013-116, Mar.2014

・ Koji Tsutsumi(Mitsubishi Electric Corp.), Ryo Ishikawa(Univ. of Electro-Communications), Hidenori Yukawa(Mitsubishi Electric Corp.), Tamio Kawaguchi(TOSHIBA CORP.), Akihiko Hirata(NTT), Hirokazu Kamoda, “Briefing Report on European Microwave Week 2013”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Report, MW2013-209, pp.71-78, Mar.2014

・ Hirokazu Kamoda, Shoichi Kitazawa, Naoya Kukutsu, Kiyoshi Kobayashi, “A Study of Active Impedance of Antennas over AMC Reflector”, The Institute of Electronics,Information and Communication Engineers(IEICE) General Conference 2014, B-1-138, p.138, Mar.2014

・ Masanori Yofune, Julian Webber, Kazuto Yano, Naoya Kukutsu, Kiyoshi Kobayashi, “Hardware Performance Evaluation of Polarization Domain Modulation”, The Institute of Electronics, Information and Communication Engineers (IEICE) General Conference 2014, B-3-4, P303, Mar.2014

・ Webber Julian, Yofune Masanori, Kazuto Yano, Kukutsu Naoya, Kobayashi Kiyoshi, “Frequency Recovery with Variable Unique Word Spacing for Satellite Communications”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference2014, B-3-4, P304, Mar.2014

・ Satoshi Tsukamoto, Yafei Hou, Masayuki Ariyoshi, Ryousuke Baba(Univ. of Hyogo), Shinichiro Yamamoto(Univ. of Hyogo), Satoru Aikawa(Univ. of Hyogo), “Sequentially Switched Antenna Array Receiver- Enhancing Data Transmission Rate on High Speed Vehicles -“, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference 2014, B-5-108, Mar.2014

・ Takeshi Higasino, Minoru Okada, Takahiro Maeda, Satoshi Tsukamoto, “PROPOSAL OF LOCALIZATION METHOD IN LCX MIMO LINEAR CELL”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference 2014, B-1-207, Mar.2014

・ Kazuto Yano, Mariko Sekiguchi, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Effect of WLAN Access Control Based on Load Capacity Prediction in the Coexistence with Bluetooth”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference2014, B-17-29, p.608, Mar.2014

・ Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Contention Window Control Based on Tolerable Transmission Delay and Channel Occupancy Rate for Improving Sufficiency of QoE”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference2014, B-17-30, p.609, Mar.2014

・ Yafei Hou, Satoshi Tsukamoto, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Bandwidth Efficiency of MMSE based MIMO System Using Single LCX Cable”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference2014, B-1-206 p.606, Mar.2014

・ Ryosuke Baba(Univ. of Hyogo), Shinichiro Yamamoto(Univ. of Hyogo), Satoru Aikawa(Univ. of Hyogo), Satoshi Tsukamoto, Yafei Hou, Masayuki Ariyoshi, “Basic Study of Propagation Performance for Sequentially Switched Antenna Array Receiver”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference2014, B-5-109, p.504, Mar.2014

・ Tomohiro Miyasaka, Kazuto Yano, Masayuki Ariyoshi, Kiyoshi KobayashI, “System Detection Using Nearest Neighbour Classifier from Wide-Band Spectrogram in Coexistence of ZigBee and Bluetooth”, The Institute of Electronics,Information and Communication Engineers(IEICE)General Conference2014, B-17-31, P610, Mar.2014

・ Satoshi TSUKAMOTO, Takahiro MAEDA, Yafei HOU, Susumu ANO, Hiroshi BAN, Masayuki ARIYOSHI, Kiyoshi KOBAYASHI, Atsuhiko NIWA(Fujikura Ltd.), Fumio SUZUKI(Fujikura Ltd.), Takesi HIGASHINO(NAIST), Minoru OKADA(NAIST), “An experimental study of proposed 2×2 MIMO System with Single Leaky Coaxial Cable”, The Institute of Electronics,Information and Communication Engineers(IEICE) Antennas and Propagation, AP2013-175 pp.51-56, Feb.2014

・ Satoshi Tsukamoto, Takahiro Maeda, Yafei Hou, Susumu Ano, Hiroshi Ban, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Performance Evaluation of 2×2 MIMO System with Single Leaky Coaxial Cable”, 2013 Vietnam-Japan International Symposium on Antennas and Propagation (VJISAP2013), N/A, Jan.2014

・ Masayuki Ariyoshi, “[Invited Talk] Research and Development of Dynamic and Reconfigurable M2M Wireless Network Technology”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Software Radio(SR), SR2013-92(2014-1), pp.91-96, Jan.2014

・ Kazuto Yano, Mariko Sekiguchi, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Improved WLAN Load Capacity Prediction Using the Ratio of Application QoE Satisfaction”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Software Radio(SR), Vol.113, No.400, pp.43-50, SR2013-85, Jan.2014

・ Naoya Kukutsu, Hiroshi Ban, Susumu Ano, Shoichi Kitazawa, Kiyoshi Kobayashi, “Experimental Evaluations of Microwave Propagation Properties in a Closed Space toEstablish a Wireless Harness Technology-Comparison with Automobile Engine Compartments and ICT Equipement-”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Reliable Robust Radio Control (RRRC), RRRC2013-30(2014-1).pp7-10, Jan.2014

・ Shoichi Kitazawa, “Current Situation of IEEE802.15 SG SRU”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Short Range Wireless Communications, N/A, Dec.2013

・ Tomohiro MIYASAKA, Kazuto YANO, Masayuki ARIYOSHI, Kiyoshi KOBAYASHI, “Service Quality Management for Maximizing Total User Utility in Shared Spectrum”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Communication Quality (CQ), vol. 113, no. 293, CQ2013-64, pp.73-78, Nov.2013

・ Shoichi Kitazawa, Hirokazu Kamoda, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi, “Energy Harvesting from Broadcasting and Cellular Radio Sources”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Wireless Power Transmission(WPT), WPT2013-26(2013-11), pp.49-54, Nov.2013

・ Takashi Yamamoto(Sumitomo Electric Industires, Ltd.), Kenichi Murakami(Sumitomo Electric Industires, Ltd.), Yoji Okada(Sumitomo Electric Industires, Ltd.), Kazuto Yano, Tomohiro Miyasaka, Kazuya Okamoto(Kyoto University Hospital), Tomohiro Kuroda(Kyoto University Hospital), “Dynamic control of wireless network configuration considering priority of medical device communication”, the 33rd Joint Conference on Medical Informatics (JCMI33) , 1-K-1-2 HyperDEMO/1-K-1:HyperDEMO1, pp. 1288-1289, Nov.2013

・ Satoshi Tsukamoto, Takahiro Maeda, Tomohiro Miyasaka, Hiroshi Ban, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Congestion Avoidance by Transmission Timing Control for Simultaneous-Triggered M2M Devices”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Software Radio (SR), SR2013-66, pp.77-81, Oct.2013

・ Hirokazu Kamoda, Masahiro Hanazawa, Shoichi Kitazawa, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi, “A basic study on dual-band AMC reflector utilizing polarization dependency applied to loop antennas”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Microwave Engineering (MW), MW2013-94, pp.35-40, Sept.2013

・ Yafei Hou, Tomohiro Miyasaka, Kazuto Yano, Masayuki Ariyoshi, Kiyoshi Kobayashi, “On the Impact of Duration of Spectrum Sensing for WLAN Systems Considering Imperceptible Signals”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-17-2, p. 487, Sept.2013

・ Kazuto Yano, Mariko Sekiguchi, Masayuki Ariyoshi, Kiyoshi Kobayashi, “On the Effect of Load Capacity Prediction and Priority-Based Access Control for Multiple-System Coexistence”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-17-4, p. 489, Sept.2013

・ Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Impact of IP Packet Size on WLAN Load Capacity Prediction in Shared Spectrum Band”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-17-3, p488, Sept.2013

・ Masanori Yofune, Julian Webber, Kazoto Yano, Hiroshi Ban, Kiyoshi Kobayashi, Jun-ichi Abe, Katsuya Nakahira, Takatoshi Sugiyama, “Direct Spectrum Division Transmission Performance of Poly-Polarization Multiplexing Signal”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-3-8, P286, Sept.2013

・ Katsuya Nakahira, Jun-ichi Abe, Takatoshi Sugiyama, Masanori Yofune, “Satellite Channel Allocation Algorithm using Poly-polarization Multiplexing Spectrum Division Transmission”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-3-9, P287, Sept.2013

・ Hirokazu Kamoda, Masahiro Hanazawa, Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “Influence of non-linear impedance of rectifier on element patterns of rectenna array”, The Institute of Electronics,Information and Communication Engineers(IEICE)Society Conference2013, B-1-19, P19, Sept.2013

・ Kazuto Yano, Satoshi Sonobe, Yafei Hou, Satoshi Tsukamoto, Masahiro Uno, Kiyoshi Kobayashi, “Performance Evaluation of Nonlinear Mutiuser MIMO Based on Vector Perturbation over Low Mobility Channel”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, BP-1-4, pp. SS-9–SS-10, Sept.2013

・ Masataka Ohira(Saitama Univ.), Susumu Ano, Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “Extraction and Evaluation for Attenuation Factors of Microwave Propagation in Automobile Engine Compartment”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-1-6, p6, Sept.2013

・ Hiroshi Ban, Susumu Ano, Shoichi Kitazawa, Kiyoshi Kobayashi, “Effect of Radiation from Coaxial Cable on the Microwave Propagation Measurement in a Narrow Environment”, The Institute of Electronics,Information and Communication Engineers(IEICE) Society Conference 2013, B-1-51, p51, Sept.2013

・ Tomohiro Miyasaka, Kazuto Yano, Masayuki Ariyoshi, Kiyoshi KobayashI, “Estimation of Operating Channels from Wide-Band Spectrogram Using Non-Negative Matrix Factorization”, The Institute of Electronics, Information and Communication Engineers(IEICE) Society Conference 2013, B-17-1 P486, Sept.2013

・ Satoshi Tsukamoto, Takahiro Maeda, Tomohiro Miyasaka, Hiroshi Ban, Masayuki Ariyoshi, Kiyoshi Kobayashi, “Congestion Avoidance by Transmission Timing Control for Simultaneous-Triggered Alarm Signal in Machine-to-Machine Communications”, The Institute of Electronics,Information and Communication Engineers(IEICE)Society Conference 2013, B-17-5, P490, Sept.2013

・ Webber Julian Leonard, Masanori Yofune, Kazuto Yano, Hiroshi Ban, Kiyoshi Kobayashi, “Experimental Performance of a Poly-polarization Satellite CommunicationsSystem with Synchronization Recovery”, The Institute of Electronics,Information and Communication Engineers(IEICE)Society Conference 2013, B-3-10, p288, Sept.2013

・ Shoichi Kitazawa, Hirokazu Kamoda, Hiroshi Ban, Naoya Kukutsu, Kiyoshi Kobayashi, “Energy Harvesting from Broadcasting and Cellular Radio Sources”, Wireless Power Transfer Consortium for Practical Applications, N/A, Aug.2013

・ Masanori Yofune, Julian Webber, Kazuto Yano, Hiroshi Ban, Kiyoshi Kobayashi, “Enhanced poly-polarization multiplexing scheme and its performance”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication (SAT), SAT2013-18,pp.37-42, Aug.2013

・ Katsuya Nakahira(NTT Access Service System Laboratories), Jun Mashino(NTT Access Service System Laboratories), Jun-ichi Abe(NTT Access Service System Laboratories), Takatoshi Sugiyama(NTT Access Service System Laboratories), Masanori Yofune, “A Proposal of Multidimensional Channel Allocation Algorithm to Maximally Utilize Bandwidth and Power of a Satellite Transponder”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication (SAT), SAT2013-16, pp.29-34, Jul.2013

・ WEBBER Julian Leonard, Masanori YOFUNE, Kazuto YANO, Hiroshi BAN, Kiyoshi KOBAYASHI, “Experimental Performance of a Poly-Polarization Multiplexing System”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Satellite Telecommunication (SAT), SAT2013-17, pp.35-40, Jul.2013″

・ Mariko Sekiguchi, Kazuto Yano, Masayuki Ariyoshi, Kiyoshi Kobayashi, “WLAN QoS Prediction for Improving Application QoE in Shared Spectrum Band”, The Institute of Electronics,Information and Communication Engineers(IEICE)Technical Committee on Software Radio (SR), SR2013-36, pp91-98, Jul.2013

・ Tomohiro MIYASAKA, Kazuto YANO, Masayuki ARIYOSHI, Kiyoshi KOBAYASHI, “Introducing Communication Welfare for Service Quality Management in Shared Spectrum”, The Institute of Electronics,Information and Communication Engineers(IEICE)Technical Committee on Software Radio (SR), SR2013-37, pp83-90, Jul.2013

・ Hirokazu Kamoda, Shoichi Kitazawa, Masahiro Hanazawa, Hiroshi Ban, Kiyoshi Kobayashi, “Energy harvesting from multiple ambient RF sources”, 2nd UK-Japan Workshop on Energy Harvesting, N/A, Jul.2013

・ Masayuki Ariyoshi, “[Panel Discussion] Discussions on White Space Utilisation in Asia-Pacific Telecommunity”, The Institute of Electronics,Information and Communication Engineers(IEICE)Technical Committee on Software Radio (SR), SR2013-5, p.27, May2013

・ Hirokazu Kamda, Masahiro Hanazawa, Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “A study on rectenna array configuration for RF energy harvesting taking into account mutual coupling”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Microwave Engineering (MW), MW2013-20, pp.59-64, May2013

・ Shoichi Kitazawa, Hirokazu Kamoda, Masahiro Hanazawa, Susumu Ano, Hiroshi Ban, Kiyoshi Kobayashi, “A study on RF energy harvesting from three broadcasting and communication frequency bands”, The Institute of Electronics,Information and Communication Engineers(IEICE) Technical Committee on Microwave Engineering (MW), MW2013-19,pp.53-58, May2013

2012

Journals

・ Yafei Hou, Satoshi Sonobe, Satoshi Tsukamoto, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi, “Impact of CSI Variation in Subband on Performance of Vector Perturbation Based MU MIMO-OFDM System”, IEICE Communications Express (ComEX), Vol.2, No.3, pp.86-92, 2013, Mar.2013

・ Narihiro Nakamoto, Hiroshi Ban, Tomohiro Oka, Shoichi Kitazawa, Kiyoshi Kobayashi, Noriyasu Kikuchi(Oki Electric Industry Co., Ltd.), Hironobu Hatamoto(Oki Electric Industry Co., Ltd.), Satoru Shimizu(Oki Electric Industry Co., Ltd.), Minako Hara(NTT Energy and Enviroment Systems Laboratories.), “Wireless Harness Inside ICT Equipments”, ICACT Transactions on the Advanced Communications Technology , ISSN:2288-0003, Vol.2, Issue1, pp.135-143, Jan.2013

・ Narihiro Nakamoto, Tomohiro Oka, Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “A Theoretical Analysis of a Circular Microstrip Antenna in a Parallel-Plate Waveguide”, IEICE Transactions on Communications, Vol.E96-B, No.1, pp.173-181 2013, Jan.2013

International Conferences

・ Yafei Hou, Satoshi Sonobe, Satoshi Tsukamoto, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi, “Introduction of Dual Regularization Parameters to Improve the Performance of MMSE based Vector Perturbation”, The 15th International Conference on Advanced Communications Technology, ISBN978-89-968650-0-1, pp.558-562, Jan.2013

・ Narihiro Nakamoto, Hiroshi Ban, Kiyoshi Kobayashi, “Resonant Frequency of a Circular Microstrip Antennain a Parallel-plate Waveguide”, International Symposium on Antennas and Propagation(ISAP 2012), ID4-4, pp.150-153, Nov.2012

・ Kiyoshi Kobayashi, Tomohiro Oka, Narihiro Nakamoto, Kazuto Yano, Hiroshi Ban, “Poly-polarization Multiplexing Scheme for Satellite Communications”, 30th AIAA International Communications Satellite Systems Conference, N/A, Sept.2012

・ Satoshi Tsukamoto, Satoshi Sonobe, Takahiro Maeda, Shoichi Kitazawa, Masahiro Uno, Hiroshi Ban, Kiyoshi Kobayashi, “An Experimental 8×8 MU-MIMO System with Block Diagonalized Vector Perturbation”, 2012 Thailand-Japan MicroWave (TJMW2012), FR2-2, Aug.2012

・ Satoshi Sonobe, Satoshi Tsukamoto, Kazuto Yano, Masahiro Uno, Hiroshi Ban, Kiyoshi Kobayashi, “The Impact of Modulo Boundary Setting Error on the Performance of Block Diagonalized Vector Perturbation MU-MIMO Systems”, 2012 Thai-Japan MicroWave (TJMW 2012), FR2-3, Aug.2012 ,Aug.2012

・ Satoshi Sonobe, Satoshi Tsukamoto, Takahiro Maeda, Shoichi Kitazawa, Masahiro Uno, Hiroshi Ban, Kiyoshi Kobayashi, “An Experimental 4×4 MU-MIMO System Employing Vector Perturbation for Enhancing LTE-Advanced Downlink”, The 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications Symposium (IEEE VTS APWCS 2012), B1.6, Aug.2012

・ Kazuto Yano, Yafei Hou, Satoshi Sonobe, Masahiro Uno, Kiyoshi Kobayashi, “Achievable Sum-Rate Performance of MMSE, Vector Perturbation and Block-Diagonalized Vector Perturbation Precoding over Spatially-Correlated Flat-Fading Channel”, The 9th IEEE Vehicular Technology Society Asia Pacific Wireless Communications Symposium (IEEE VTS APWCS 2012), B3.1, Aug.2012

・ Kazuto Yano, “R&D of Nonlinear Multiuser MIMO System Targeting Small Cell Environment”, International Workshop on Distributed Multi-User MIMO Communications Co-Located with APWCS 2012 , N/A, Aug.2012

・ Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “Energy Harvesting from Ambient RF Sources “, 2012 IEEE MTT-S International Microwave Workshop Series (IMWS) on Innovative Wireless Power Transmission: Technologies, Systems, and Applications(IMWS-IWPT2012), THU-B-2, pp.39-42, May2012

・ Yafei Hou, Satoshi Sonobe, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi ,”A Simple Method of Transmitting Stream Adaptation for Fixed-Matrix-Size Precoding on MU-MIMO Transmission “, 2012 IEEE Wireless Communications and Networking Conference (WCNC 2012), pp.136-141, Apr.2012

Standardization Conferences

・ Stefan Aust(NEC Communication Systems), Shusaku Shimada(Schubiquist Technologies Guild), Mitsuru Iwaoka(Yokogawa Electric Co.), Shoichi Kitazawa, “Consideration of the 900 MHz ISM radio-band”, IEEE 802 Plenary SessionIG SRU, IEEE 15-12-0153-00-0sru, Mar.2013

・ Shusaku Shimada(Schubiquist Technologies Guild), Mitsuru Iwaoka(Yokogawa Electric Co.), Stefan Aust(NEC Communication Systems), Shoichi Kitazawa, “SRU by “Radio resource measurement & management” for enhanced reliability”, IEEE 802 Plenary SessionIG SRU, IEEE 15-12-0132-00-0sru, Mar.2013

・ Masahiro Uno, Yoji Okada(Sumitomo Electric Industires, Ltd.), Timothy Carey(Alcatel Lucent Ltd.), “Requirements for Information Delivery service in the devastated area”, 3rd oneM2M Technical Plenary, oneM2M -REQ-2013-0182R02-, Feb.2013

・ Shoichi Kitazawa, Masayuki Ariyoshi, Masahiro Uno, Kazuto Yano, Kiyoshi Kobayashi, Takashi Yamamoto(Sumitomo Electric Industires, Ltd.), Yoshizo Tanaka(Sumitomo Electric Industires, Ltd.), Yoji Okada(Sumitomo Electric Industires, Ltd.), “Next Steps for IG SRU”, IEEE 802 Wireless Interim session, IEEE 15-13-0009-00-0sru, Jan.2013

・ Masahiro Uno, Yoji Okada(Sumitomo Electric Industires, Ltd.), “Information Delivery service in the devastated area”, 2nd oneM2M Technical Plenary, oneM2M -REQ-2012-74R09, Dec.2012

・ Masahiro Uno, Kazuto Yano, Koji Oshima, Tomohiro Miyasaka, Kiyoshi Kobayashi, Takashi Yamamoto(Sumitomo Electric Industires, Ltd.), Yoshizo Tanaka(Sumitomo Electric Industires, Ltd.), Yoji Okada(Sumitomo Electric Industires, Ltd.),”Conceptual proposal of autonomously distributed wireless system based on dynamic multi-layer control for fair satisfaction of QoE”, IEEE 802 LMSC Plenary Session, IEEE802.15-12-0603-01-0sru, Nov.2012

・ ATR(Satoshi Tsukamoto), “TP of a file format example header for TR 37.977 on antenna pattern data format (TR Clause 9.3.1.2)”, 3GPP TSG-RAN Working Group 4 (Radio) meeting #65 (New Orleans), R4-126926,R4-126916,R4-126481, Nov.2012

・ ATR(Satoshi Tsukamoto), “Consideration of SNR range in small cell environment”, 3GPP TSG-RAN Working Group 4 (Radio) meeting #64bis (Santa Rosa), R4-125582, Oct.2012

・ ATR(Satoshi Tsukamoto), “Spatial correlation measurements on both X and Y axis directions for the verification of channel model implementations”, 3GPP TSG-RAN Working Group 4 (Radio) meeting #64 (Qingdao), R4-124509, Aug.2012

・ hoichi Kitazawa, Satoshi Tsukamoto, Satoshi Sonobe, Hiroshi Ban, Masashiro Uno, Kiyoshi Kobayashi, “Non-linear Multiuser MIMO for next generation WLAN”, IEEE 802 LMSC Plenary Session, IEEE 11-12-0844-00-0wng, Jul.2012

・ Shoichi Kitazawa, “IG SRU Technical Document”, IEEE 802 LMSC Plenary Session, IEEE 15-12-0184-01-0sru, Jul.2012

2011

Journals

・ Masataka Ohira, Amane Miura, Makoto Taromaru, Masazumi Ueba, “Efficient Gain Optimization Techniques for Azimuth Beam/Null Steering of Inverted-F Multiport Parasitic Array Radiator (MuPAR) Antenna “, IEEE Transactions on Antennas and Propagation, Vol.60 pp. 1352-1361, Mar. 2012

・ Hiroshi Harada(NICT), Teruya Fujii(Softbank Mobile Corporation), Nobuo Nakajima(The University of Electro-Communications), Akira Yamaguchi(KDDI R&D Laboratories), Tatsuo Shibata, Hidetoshi Kayama(NTT Docomo, Inc.), Masahiro Uno, Homare Murakami(NICT), Kiyoshi Ogawa(NTTPC Communications, Inc.), “R&D of Technologies for More Efficient Spectrum Use on the Next Generation Mobile Communication System “, The Journal of the Institute of Electronics, Informationand Communication Engineers(J. IEICE), Vol.95, No.2, pp.151-167, Feb. 2012

・ Masataka Ohira, Takayuki Umaba, Shoichi Kitazawa, Hiroshi Ban, Masazumi Ueba, “Experimental Characterization of Microwave Radio Propagation in ICT Equipment for Wireless Harness Communications “, IEEE Transaction on Antennas and Propagation, Vol.59, No.12, pp.4757-4765, Dec. 2011

・ Masataka Ohira, Hiroshi Ban, Masazumi Ueba, “Evolutionary Generation of Subwavelength Planar Element Loaded Monopole Antenna “, IEEE Antennas and Wireless Propagation Letters, vol.10 pp.1559-1562, 2011, Oct.2011

International Conferences

・ Narihiro Nakamoto, Tomohiro Oka, Shoichi Kitazawa, Hiroshi Ban, Kiyoshi Kobayashi, “A Theoretical Study on a Circular Microstrip Antenna between the Parallel Plate Waveguide “, 6th European Conference on Antennas and Propagation, pp. 2483-2487, Mar.2012

・ Hiroshi Ban, Narihiro Nakamoto, Tomohiro Oka, Shoichi Kitazawa, Kiyoshi Kobayashi, Hironobu Hatamoto(Oki Electric Industry Co., Ltd.), Noriyasu Kikuchi(Oki Electric Industry Co., Ltd.), Satoru Shimizu(Oki Electric Industry Co., Ltd.) “Wireless Harness inside ICT Equipments “, ICACT2012(International Conference on Advanced Communication Technology), ISBN 978-89-5519-162-2, pp.98-102, Feb. 2012

・ Kazuto Yano, “Introduction of Japan’s National R&D Activity on Nonlinear Multiuser MIMO Technologies “, Sino-Japan Workshop on the Next Generation Mobile Communication Technology and Application-2011, N/A, Sept. 2011

・ Kazuto Yano, Masahiro Uno, Masazumi Ueba, Hidetoshi Kayama(NTT Docomo, Inc.), Shunji Miura(NTT Docomo, Inc.), Hiromasa Fujii(NTT Docomo, Inc.), Hiroki Harada(NTT Docomo, Inc.), Kentarou Saito(NTT Docomo, Inc.) “A national research project on radio resource control technologies among multiple radio systems in the same frequency band “, 6th International ICST Conference on Cognitive Radio Oriented Wireless Networks, N/A invited talk, Jun. 2011

Standardization Conferences

・ Shoichi Kitazawa, “IG SRU Technical Document ” , IEEE 802 LMSC Plenary Session, IEEE 15-12-0184-00-0sru, Mar. 2012

・ Shoichi Kitazawa, “Overview of IG SRU Activities “, IEEE 802 LMSC Plenary Session, IEEE 15-12-0121-01-0sru, Mar. 2012

・ Shoichi Kitazawa, Miki Sato, Kohji Ohshima, Kazuto Yano, Masahiro Uno, Kiyoshi Kobayashi, “Performance simulation of DSA system “, IEEE 802 LMSC Plenary Session, IEEE 15-11-0764-01-0sru, Nov. 2011

・ Shoichi Kitazawa, Satosi Tsukamoto, Tomohiro Miyasaka, Kazuto Yano, Masahiro Uno, “Current situation in 2.4GHz ISM band “, IEEE 802 LMSC Plenary Session, IEEE 15-11-0508-01-0sru, Jul. 2011

・ Shoichi Kitazawa, Kazuto Yano, Satoshi Tsukamoto, Yasuo Suzuki, Kohji Ohshima, Narihiro Nakamoto, Masahiro Uno, Masazumi Ueba, “DSA system for 2.4GHz ISM Band “, IEEE 802 Wireless Interim Session, IEEE 802.11-11-0591r1, May. 2011

2010

Journals

International Conferences

・ Kazuhito Murakami(Kinki Univ.), Shoichi Kitazawa, “Transient Responses of Voltage and Current on Ring Resonator and Traveling-Wave Loop Directional Filters,” 2010 Asia-Pacific Microwave Conference, TH1G-34, pp.1185-1188, Dec. 2010

・ Makoto Taromaru, Kazuto Yano, Yasuo Suzuki, Satoshi Tsukamoto, Masazumi Ueba, “RADIO RESOURCE CONTROL TECHNOLOGIES AMONG AUTONOMOUSLY OPERATING RADIO SYSTEMS FOR ISM BAND,” The Second International Symposium on Radio Systems and Space Plasma (ISRSSP 2010), pp.53-56, Aug. 2010

Standardization Conferences

・ Shoichi Kitazawa, Kazuto Yano, Kohji Ohshima, Narihiro Nakamoto, Masahiro Uno, Masazumi Ueba, “Home monitoring applications,” IEEE 802 LMSC Plenary Session, IEEE 15-11-0162-00-0sru, Mar. 2011

・ Shoichi Kitazawa, Kazuto Yano, Yasuo Suzuki, Kohji Ohshima, Narihiro Nakamoto, Masahiro Uno, Masazumi Ueba, “System concept of DSA,” IEEE 802 LMSC Plenary Session, IEEE 15-11-0161-00-0sru, Mar. 2011

・ Shoichi Kitazawa, Satoshi Tsukamoto, Tomohiro Miyasaka, Kazuto Yano, Masahiro Uno, Masazumi Ueba, “Experimental results of High traffic-load situation,” IEEE 802 LMSC Plenary Session, IEEE 802.15-10-0886-00-0sru, Nov. 2010

・ Shoichi Kitazawa, Kazuto Yano, Satoshi Tsukamoto, Tomohiro Miyasaka, Makoto Taromaru (Fukuoka Univ.), Masazumi Ueba, “A Proposal Toward Better Use of Spectrum Resources in future WPAN,” IEEE 802 Wireless Interim Session, IEEE 802.15-10-739, Sept. 2010

2009

Journals

・ Eddy Taillefer, Shouichi Kitazawa, Masazumi Ueba, “Switchable Multi-Frequency MMIC Oscillator for the 60 GHz MillimeterWave Band,” IEICE Transactions on Electronics, Vol. E93-C, No.4 pp.497-504, Jan. 2010.

・ Kilsoo JEONG, Kazuto YANO, Satoshi TSUKAMOTO, Makoto TAROMARU, “Overlay Transmission Scheme on IEEE 802.11 with RTS/CTS Exchange Taking Into Account Timing Synchronization,” IEICE Transactions on Communications, vol.E93-B, no.3, pp.640-649, March 2010., Mar. 2010.

・ Amane Miura, Masataka OHIRA, Shoichi KITAZAWA, Masazumi UEBA, “60-GHz-Band Switched-Beam Eight-Sector Antenna with SP8T Switch for 180°Azimuth Scan,” IEICE Transaction on Communication, Vol. E93-B, No.03, pp.551-559, Mar. 2010.

・ Masataka Ohira, Amane Miura, Masazumi Ueba, “60-GHz Wideband Substrate-Integrated-Waveguide Slot Array Using Closely Spaced Elements for Planar MultiSector Antenna,” IEEE Transactions on Antennas and Propagation, Vol. 58, No.3, pp.993-998, Mar. 2010.

・ Masazumi Ueba , Mitsuhiro Azuma(Fujitsu Limited), Satoshi Shimizu(Oki Electric Industry Co., Ltd), “Ultra high-speed by high-frequency wireless communication”, The Institute of Electronics,Information and Communication Engineers(IEICE) Communications Society Magazine, No.11, pp.40-49, Dec. 2009.

・ Kazuto Yano, Makoto Taromaru, Masazumi Ueba, “Performance of Pre-FFT Type MMSE Adaptive Array Antenna with Iterative Weight Update in Presence of Sporadic Intra-system Interference,” IEICE Transactions on Communications, vol.E92-B, No.5, pp.1852-1859, May. 2009.

International Conferences

・ Takayuki Umaba , Shoichi Kitazawa , Amane Miura(NICT), Hiroyuki Ohtsuki , Masazumi Ueba, Mitsuhiro Azuma(Fujitsu Limited), Atsushi Honda(Fujitsu Limited), Satoru Shimizu(OKI Electric Industry Co.), “Demonstration Experiment of Millimeter Wave Multi-Gigabit Wireless LAN System,” IEEE International Symposium on Radio-Frequency Integration Technology (RFIT2009), pp. 28-31, Dec. 2009.

・ Makoto TAROMARU, “RADIO RESOURCE CONTROL TECHNOLOGIES AMONG AUTONOMOUSLY OPERATING RADIO SYSTEMS: ABOUT AN R&D PROJECT IN JAPAN APPLICABLE TO SHORT RANGE RADIOCOMMUNICATION DEVICES ,” The 7th Meeting of the APT Wireless Forum (AWF-7), N/A, Sept. 2009.

Standardization Conferences

・ Yasushi Takatori (NTT), Kentaro Nishimori (NTT), Shouichi Kitazawa, “OBSS issue in 802.11ac,” IEEE 802 Wireless Interim Session, IEEE 802.11-09-0536r0(slide), May. 2009

2008

Journals

・ Shanmugam Saravanan, Takashisa Harayama, “Improvement in size distribution and optical properties of InAs/GaAs QDs by post growth thermal treatment,” Physica Status Solidi (B), DOI 10.1002/pssb.200880590, Jan. 2009.

・ Shingo Hiratsuka (Doshisha Univ.), Shanmugam Saravanan, Takahisa Harayama, Naoki Ohtani (Doshisha Univ.), “Photoluminescence properties of annealed InAs quantum dots capped by InGaAs layers,” Physica Status Solidi (c), 6, No.1, pp.189-192, Jan. 2009.

・ Satoshi Sunada, Shuichi Tamura, Keizo Inagaki, Takahisa Harayama, “A ring laser gyroscope without lock-in phenomenon,” Physical Review A, Vol.78, pp.053822, Nov. 2008.

・ Muhan Choi, Susumu Shinohara, Takahisa Harayama, “Dependence of far-field characteristics on the number of lasingmodes in stadium-shaped InGaAsP microlasers,” Optics Express, Vol.16, No.22, pp.17554-17559, Oct. 2008.

・ Masayuki Morishita (Niigata Univ.), Hiroyoshi Yamada, Chen SUN, Makoto Taromaru, Takashi Ohira (Toyohashi Univ. of Tech.), Yoshio Yamada (Niigata Univ.), “Consideration on Adaptive Beamforming with Multiport Parastic Array Radiator Antenna ,” The IEICE Transactions, Vol.J91-B, No.10, pp.989-997, Sept. 2008.

・ Chen Sun, Thomas Hunziker, Jun Cheng (ATR/Doshisha Univ. ), Makoto Taromaru, Takashi Ohira, “Achieving Diversity by Frame Splitting for MIMO Downlink with Distributed Base Station Arrays,” IEEE Transactions on Vehicular Technology, Accepted In press, Aug. 2008.

・ Muhan Choi, Takehiro Fukushima (Okayama Pref. Univ.), Takahisa Harayama, “Alternate oscillations in Quasi-Stadium Laser Diodes,” Physical Review A, Vol.77, pp.063814, Jun. 2008.

International Conferences

・ Wuqiong Luo , Masataka Ohira, Amane Miura, Masazumi Ueba, “Bandwidth Enhancement of Coaxial Line to Post-wall Waveguide Transition Using Short-ended Straight Post in 60-GHz Band,” Asia Pacific Microwave Conference 2008, N/A, Dec. 2008.

・ Shoichi Kitazawa, Makoto Taromaru, Masazumi Ueba, “A Study of Switchable Dual-Frequency Oscillator for 60GHz FSK Modulation,” Asia Pacific Microwave Conference 2008, N/A, Dec. 2008.

・ Masataka Ohira, Amane Miura, Masazumi Ueba, “60GHz Wideband Shaped-Beam Antenna Using Closely-Spaced Waveguide Slots for Wireless LAN,” International Symposium on Antennas and Propagation, pp. N/A, Oct. 2008.

・ Takahisa Harayama, “Nonlinear Dynamics in Deformed Microcavity Lasers,” Frontiers in Optics 2008, FWC4, Oct. 2008.

・ Muhan Choi, Susumu Shinohara, Takehiro Fukushima (Okayama Pref. Univ.), Takahisa Harayama, “Convergence of far-field characteristics upon ray dynamics in stadium microlasers,” Frontiers in Optics 2008, FThP3, Oct. 2008.

・ Takahisa Harayama, “Wave Chaos in Rotating Optical Microcavities,” 7th International Summer School and Conference”Let’s Face Chaos through Nonlinear Dynamics”, p.45 (Invited), Jun. 2008.

・ Satoshi Sunada, Takahisa Harayama, “Rotating resonant microcavities: application to optical gyroscopes,” First Mediterranean Photonics Conference 2008, pp.94-96, Jun. 2008.

・ Takahisa Harayama, Satoshi Sunada, “Sagnac Effect and Frequency Splitting in Rotating Optical Microcavities,” 10th Anniversary International Conference on Transparent Optical Networks, p.38 (Invited), Jun. 2008.

・ Yutaka Nakae, Tomohiro Miyasaka, Takahiko Sasaki, Susumu Shinohara, Takahisa Harayama, “Lasing emission patterns from Monza-shaped semiconductor microcavities,” 10th Anniversary International Conference on Transparent Optical Networks, pp.258-259, Jun. 2008.

・ Takahisa Harayama, “Theory and Application of 2D Microcavity Lasers,” International Seminar and Workshop on New Frontiers of Quantum Chaos in Mesoscopic Systems, N/A, May. 2008.

・ Muhan Choi, Susumu Shinohara, Takehiro Fukushima, Takahisa Harayama, “Convergence of far-field characteristics upon ray dynamics with the transition from single to multi-mode lasing in stadium microlasers,” International Seminar and Workshop on New Frontiers of Quantum Chaos in Mesoscopic Systems, N/A, May. 2008.

・ Shanmugam Saravanan, Takashisa Harayama, “Improvement in size distribution and optical properties of InAs/GaAs QDs by post growth thermal treatment,” The 5th International conference on semiconductor Quantum dots, Th-P-066, p.298, May. 2008.

・ Takehiro Fukushima (Okayama Pref. Univ.), Kazuhiro Egawa (Okayama Pref. Univ.), Takahisa Harayama, “Design of an Optical Coupling System between a Confocal Quasi-Stadium Laser Diode and Multimode Optical Fibers,” 3-rd International Laser, Light-Wave and Microwave Conference 2008, N/A, Apr. 2008.

・ Takehiro Fukushima (Okayama Pref. Univ.), Yoshiyuki Handa (Okayama Pref. Univ.), Takahisa Harayama, “Optical Coupling System between an Unstable Quasi-Stadium Laser Diode and Multimode Optical Fibers,” 3-rd International Laser, Light-Wave and Microwave Conference 2008, N/A, Apr. 2008.

・ Tomoki Ishida, Shuichi Tamura, Satoshi Sunada, Keizo Inagaki, Takahisa Harayama, Shigeru Saito (Ritsumeikan Univ.), “Improvement of accuracy of angular velocity detection in semiconductor fiberoptic ring laser gyroscope,” 19th International Conference on Optical Fibre Sensors, Vol.7004, pp.700450-1-4, Apr. 2008.

・ Keizo Inagaki, Shuichi Tamura, Tomoko Tanaka, Hiroyuki Noto, Takahisa Harayama, “Earth’s rotation rate detection using an extremely-large semiconductor fiber optic gyroscope extending over 10,000 m2,” 19th International Conference on Optical Fibre Sensors , Vol.7004, pp.70045F-1-70045F-4, Apr. 2008.

2007

Journals

・ Shanmugam Saravanan, Takashisa Harayama, “Investigation of InxGa1-xAs strain reducing layers effects on InAs/GaAs Quantum dots,” IEICE Electronics Express, Vol.5, No.2, pp.53-59, Jan. 2008.

・ Takehiro Fukushima (ATR/Okayama Pref. Univ.), Susumu Shinohara ,Takahisa Harayama, “Light beam output from diamond-shaped total-internal reflection modes by using intracavity air gaps,” Optics Express, Vol.15, No.25, pp.17392-17400, Dec. 2007.

・ Wataru Nomura (ATR/Doshisha Univ.), Eddy Taillefer, Makoto Taromaru, Jun Cheng (ATR/Doshisha Univ.), “Full Azimuth DoA Estimation Using Selection Criteria with Reactance-Domain ESPRIT Algorithm,” The IEICE Transactions, Vol.J90-B, No.12, pp.1284-1292, Dec. 2007.

・ Takehiro Fukushima (Okayama Pref. Univ), Tomoko Tanaka, Takahisa Harayama, “High quality lowest loss mode lasing in GaAs unstable resonator quasi-stadium laser diodes,” Optics Letters, Vol.32, Issue.23, pp.3397-3399, Nov. 2007.

・ Chen Sun, Makoto Taromaru, Takashi Ohira, “Employing Coordinated Transmit and Receive Beamforming in Cclustering Double-Directional Radio Channel,” EURASIP Journal on Wireless Communications and Networking, Vol.2007, Article ID 57175, 10pages, Nov. 2007.

・ Akifumi Hirata, Eddy Taillefer, Hiroyoshi Yamada (ATR/Niigata Univ.), Takashi Ohira, “Handheld DOA Finder with Electronically Steerable Parasitic Array Radiator Using the Reactance-Domain MUSIC Algorithm,” IEEE Proceedings Microwaves, Antennas & Propagation, 2007, 1, (4), pp.815-821, Aug. 2007.

・ Takahisa Harayama, Satoshi Sunada, Tomohiro Miyasaka, “Wave chaos in rotating optical cavities,” Physical Review E, vol.76, p.016212, Jul. 2007.

・ Satoshi Sunada, Takahisa Harayama, Kensuke Ikeda (Ritsumeikan Univ.), “Numerical Simulations of Two-dimensional Microcavity Lasers; Nonlinear Dynamics of Whispering Gallery Modes,” Nonlinear Phenomenon in Complex Systems, Vol.10, No.1, pp.1-15 (2007), Jul. 2007.

・ Thomas Hunziker, Jacir Bordim (ATR/ACR), Makoto Taromaru, Takashi Ohira, “Maximum-Likelihood Array Signal Decoding in the Presence of Block-Wise Stationary Cochannel Interference,” IEEE Transactions on Wireless Communications, Vol.6, Issue 4, pp.1476-1487, Apr. 2007.

・ Takahisa Harayama, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Satoshi Sunada, Kensuke S. Ikeda (Ritsumeikan Univ.), “Chaos and multi-attractors in fully chaotic 2D microcavity lasers,” Progress of Theoretical Physics Supplement, No.166 (2007) pp.104-111, Apr. 2007.

International Conferences

・ Toshiro KODERA, Nobuhiko Ando, Makoto Taromaru, “An EER transmitter with burst-width envelope modulation,” IEEE Topical Symposium on Power Amplifiers for Wireless Communications, N/A, Jan. 2008.

・ Toshiro Kodera, Nobuhiko Ando, Makoto Taromaru, “A basic study on EER transmitter with burst-width envelope modulation based on triangle-wave PWM,” 2007 Korea-Japan MicroWave Conference, TH01-1, pp.1-4, Nov. 2007.

・ Susumu Shinohara, Takehiro Fukushima and Takahisa Harayama, “Ray-wave correspondence in chaotic optical cavities,” 9th Japan-Slovenia Seminar on Nonlinear Science, PS-26, p.80, Nov. 2007.

・ Amane Miura, Wuqiong Luo, Makoto Taromaru, Masazumi Ueba, Takashi Ohira, “Experimental Study of Reactively Loaded Parasitic Microstrip Array Antenna for Circular Polarization,” The Second European Conference on Antennas and Propagation, Fr2.2.8, pp.602-603, Nov. 2007.

・ Chen Sun, Jun Cheng, Makoto Taromaru, “A Protocol of Multi-Phase Cooperative Wireless Networks for the Lowest Outage Probability,” IEEE 7th International Symposium on Communications and Information Technologies , pp.1440-1445, Oct. 2007.

・ Masazumi Ueba, Amane Miura, Shoichi Kitazawa, Shigeru Saito, Takashi Ohira, “Feasibility Study on Millimeter Wave Multi-Gigabit Wireless LAN System,” IEEE European Microwave Conference, pp.688-690, Oct. 2007.

・ Shuichi Tamura, Keizo Inagaki, Hiroyuki Noto, Takahisa Harayama, “Experimental Investigation of Sagnac Beat Signals using Semiconductor Fiber-Optic Ring Laser Gyroscope (S-FOG) based on Semiconductor Optical Amplifier (SOA),” SPIE Optics East, 6770-43, Poster Session (p.104), Sept. 2007.

・ Makoto Taromaru, Nobuhiko Ando, Toshiro Kodera, Kazuto Yano, “AN EER TRANSMITTER ARCHITECTURE WITH BURST-WIDTH ENVELOPE MODULATION BASED ON TRIANGLE-WAVE COMPARISON PWM,” The 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 1-4244-1144-0, Sept. 2007.

・ Jun Cheng (ATR/Doshisha Univ.), Eddy Taillefer, Takashi Ohira, “SIgnal processing algorithms and their experimental results for a compact smart antenna,” The First International Symposium on Radio Systems and Space Plasma, C1-I-1303, pp.1-4, Sept. 2007.

・ Toru Hshimoto , Takahi Itoh, Masazumi Ueba, Hisato Iwai (ATR/Doshisha Univ.), Hidemichi Sasaoka (Doshisha Univ.), Kazukuni Kobara (AIST/Chuo Univ.), Hideki Imai (AIST/Chuo Univ.), “Comparative Studies in Key Disagreement Correction Process on Wireless Key Agreement System,” The 8th International Workshop on Information Security Applications, LNCS 4867, pp.173-187, Aug. 2007.

・ Takahisa Harayama, Satoshi Sunada, “Rotating optical microcavities,” The 7th Pacific Rim Conference on Laser and Electro-Optics, TuG2-1, pp.241-242 (Invited), Aug. 2007.

・ Shanmugam Saravanan, Takahisa Harayama, “Effect of growth interruption during the growth of InAs/GaAs QDs,” International Workshop on Quantum Dots and Laser Applications, No.19 (Poster), Jul. 2007.

・ Satoshi Sunada, Takahisa Harayama, Syuichi Tamura, Keizo Inagaki, “The effect of rotation in optical cavities: application to optical gyros,” Optical microcavities: From rays to waves. From passive to active., Slide, Jul. 2007.

・ Takahisa Harayama, “Theory and Application of 2D Microcavitiy Lasers,” 8th Japan-Slovenia Seminar on Nonlinear Science, Mo.D3.1, pp.42-45, Jul. 2007.

・ Chen Sun, Jun Cheng, Taromaru Makoto, “Achiving the Lowest Outage Probability for Multi-Phase Cooperative Wireless Networks,” IEEE Information Theory Workshop, pp.243-247, Jul. 2007.

・ Takahiko Sasaki, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Yutaka Nakae, Muhan Choi, Takahisa Harayama, “Optical Control of Ring Modes Using Tandem Quasi-Stadium Laser Diodes,” 9th International Conference on Transparent Optical Networks, Tu.P.10, pp.151-154, Jul. 2007.

・ Takahisa Harayama, “Theory and applications of 2D microcavity lasers,” 9th International Conference on Transparent Optical Networks , p.29, Jul. 2007.

・ Yutaka Nakae, Takehiro Fukushima, Takahiko Sasaki, Takahisa Harayama, “Beam mode observation in quasi-stadium laser diodes,” 9th International Conference on Transparent Optical Networks, Tu.P.13, pp.162-165, Jul. 2007.

・ Susumu Shinohara, Takahisa Harayama, “Ray-Wave Correspondence in Stadium-Shaped Optical Cavities,” 9th International Conference on Transparent Optical Networks, Tu.P.20, pp.188-189, Jul. 2007.

・ Muhan Choi, Takehiro Fukushima(ATR/Okayama Pref. Univ.), Takahisa Harayama, “Two Mode Interactions in Quasi-Stadium Laser Diodes,” 9th International Conference on Transparent Optical Networks, Tu.P.14, pp.166-169, Jul. 2007.

・ Masataka Ohira, Amane Miura, Masazumi Ueba, Makoto Taromaru and Takashi Ohira, “Varactor-Loaded Inverted-F Multiport Parasitic Array Radiator Antenna,” 2007 IEEE International Symposium on Antennas and Propagation, pp.5211-5214, Jun. 2007.

・ Qing Han, Nobuyuki Tenno, Amane Miura, Masazumi Ueba, Takashi Ohira, “Radial Fed SP8T Varactor-Mounted Waveguide Switch for Millimeter-Wave Beam Steerable Antenna,” 2007 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting, pp.4377-4380, Jun. 2007.

・ Hiroshi Harada (NICT), Shoichi Kitazawa, “CoMPA PHY proposal,” IEEE 802 Wireless Interim Session – May 2007, slide, May. 2007.

・ Takehiro Fukushima(ATR/Okayama Pref. Univ.), Takahisa Harayama, “Axis and Ring Mode Switching in Multi-Electrode GaAs Quasi-Stadium Laser Diodes,” Conference on Laser and Electro-Optics/Quantum Electronics Laser Conference 2007 (CLEO/QELS’07), N/A, May. 2007.

2006

Journals

・ Susumu Shinohara , Takahisa Harayama, “Signature of ray chaos in quasi-bound wavefunctions for a stadium-shaped dielectric cavities,” Physical Review E, Vol.75, pp.036216, Mar. 2007.

・ Hitoshi Shimizu, Shanmugam Saravanan, Junji Yoshida, Sayoko Ibe (Furukawa Elec.), Noriyuki Yokouchi (Furukawa Elec.), “Long-Wavelength Multilayered InAs Quantum Dot Lasers,” Japanease Journal of Applied Physics, Vol.46, No.2, 2007, pp.638-641, Feb. 2007.

・ Tomoko Tanaka, Martina Hentschel (ATR/Univ. Regensburg), Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Classical Phase Space Revealed by Coherent Light,” Physical Review Letters, Vol.98, pp.033902, Jan. 2007.

・ Jun Cheng (ATR/Doshisha Univ.), Takashi Ohira, Koichi Kamoi (Knowledge X), Yoichiro Watanabe (Doshisha Univ.), “Spreading Set with Error Correction for Multiple-Acccess Adder Channel,” IEEE Transactions on Information Theory, Vol.52, No12, pp.5524-5529, Dec. 2006.

・ Tomoyuki Aono, Keisuke Higuchi, Takashi Ohira, Bokuji Komiyama, Hideichi Sasaoka (Doshisha Univ.), “IEEE 802.15.4 ESPARSKey (Encryption Scheme Parasite Array Radiator Secret Key),” Electronics and Communications in Japan, Part I, Vol.89, No.12, pp.31-44, Dec. 2006.

・ Qing Han, Brett Hanna (Startronics), Kaizo Inagaki, Takashi Ohira, “Mutual impedance extraction and varactor calibration technique for ESPAR antennna characterization,” IEEE Transactions on Antennas and Propagation, vol.54, No.12, pp.3713-3720, Dec. 2006.

・ un Cheng (ATR/Doshisha Univ.), Takashi Ohira, Koichi Kamoi (Knowledge X), Yoichiro Watanabe (Doshisha Univ.), “Spreading Set with Error Correction for Multiple-Acccess Adder Channel,” IEEE Transactions on Information Theory, Vol.52, No12, pp.5524-5529, Dec. 2006.

・ Kyouichi Iigusa, Takuma Sawaya, Makoto Taromaru, Takashi Ohira, Bokuji Komiyama, “Experimental Proof of Electrically Invisible State of Inductively Loaded Dipole and Proposal of Electrically Invisible Meander-Lines,” IEEE Transactions on Antennas and Propagation, Vol.54, No.11, pp.3374-3382, Nov. 2006.

・ Kyouichi Iigusa , Makoto Yamamoto, Takuma Sawaya, Makoto Taromaru, Takashi Ohira , Bokuji Komiyama , “Feeder and DC-control Line Sharing Frequency Controllable Loop Antenna ,” The IEICE Transactions, vol.J89-B, No.11, pp.2127-2142, Nov. 2006.

・ Qing Han, Keizo Inagaki, Brett Hanna (Startronics), Takashi Ohira, “Evanescent Reactive-near-field Measurement for ESPAR Antenna Characterization,” IEEE Transactions on Antennas and Propagation, Vol.54, Mo.10, pp.2953-2962, Oct. 2006.

・ Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “The Ray-wave Correspondence in Stadium-cavity Lasers,” Physical Review A, Vol.74, pp.033820, Sept. 2006.

・ Oyunchimeg Shagdar, Kenji Nakagawa (Nagaoka Univ. of Tech), Bing Zhang, “Achieving Per-Flow Fairness In Wireless Ad Hoc Networks,” Electronics and Communications in Japan, Part 1, Vol.89, No.8, pp.37-49, Aug. 2006.

・ Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Control of Directional Emission in Quasistadium Microcavity Laser Diodes with Two-Electrodes,” Applied Physics Letters, Vol. 88, pp. 211110 (2006), May. 2006.

・ Shanmugam Saravanan, Hitoshi Shimizu, Pablo Vaccaro, “Strain Reduction and Long Wavelength Emission from InAs/GaAs QDs by using Growth Interruption in MBE,” Japanese Journal of Applied Physics , Vol.45, No.4A, 2006, pp.2430-2432, Apr. 2006.

・ Norihiko Kamata (Saitama Univ.), Shanmugam Saravanan, J. M. Zanardi Ocampo, Pablo Vaccaro, Yasuhiko Arakawa (Univ. of Tokyo), “Nonradiative Centers in InAs Quantum Dots Revealed by Two-wavelength Excited Photoluminescence,” Physica B, Vol.376-377, pp.849-852, Apr. 2006.

International Conferences

・ Qing Han, Nobuyuki Tenno, Amane Miura, Takashi Ohira, “Tapered Radial Fed Circuit and Varactor-Mounted Waveguide Switch for Millimeter-Wave Switched Sector-Beam Antenna,” International Workshop on Antenna Technology 2007, pp.295-298, Mar. 2007.

・ Chang-Jun Ahn, Makoto Taromaru, Satoshi Takahashi (Hiroshima City Univ.), “Link Correlation based Transmit Sector Antenna Selection for Alamouti Coded OFDM,” IEEE Wireless Communications and Networking Conference, pp.869-873 , Mar. 2007.

・ Kazuto Yano, Makoto Taromaru, “Pre-FFT type MMSE adaptive array antenna to suppress asynchronous interference for OFDM packet transmission,” IEEE Wireless Communications & Networking Conference 2007, pp.1394-1399, Mar. 2007.

・ Takashi Ohira, “A Simple but Persuasive Approach to Oscillator Characterization,” Asia-Pacific Microwave Conference 2006, Slide (Invited), Dec. 2006.

・ Takashi Ohira and Hideichi Sasaoka(Doshisha Univ.), “IEEE802.15.4 Wireless Secret Key Generator,” Asia-Pacific Microwave Conference , Slide (Invited), Dec. 2006.

・ hang-Jun Ahn, Makoto Taromaru, “Transmit Sector Selection with Considering the Link Correlation for SDM/OFDM Systems,” International Conference on Innovation in Information Technology, 1-4244-0674-9, Nov. 2006.

・ Takahisa Harayama, “Two-dimensional Microcavity Lasers,” Materials Science and Materials Mechanics at the Nanoscale, p.37, Nov. 2006.

・ Nobuyuki Tenno, Amane Miura, Takashi Itoh, Makoto Taromaru, Takashi Ohira, “A Fundamental Study on a Switched-beam Sector Slot-array Antenna in 60GHz Band,” 2006 International Symposium on Antennas and Propagation, pp.1-5, Nov. 2006.

・ Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Lowest Order Ring Mode Lasing in Confocal Quasi-Stadium Laser Diodes,” The 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society, pp.931-932, Oct. 2006.

・ Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Morphological Dependence of Emission Patterns from Oval-Billiard Microcavity Laser Diodes,” the 19th Annual Meeting of the IEEE Lasers and Electro-Optics Society, pp.729-730, Oct. 2006.

・ Chen Sun, Makoto Taromaru, “Achieving Diversity by Generating Channel Perturbation with Random Beamforming in Block Fading Environment,” 5th Asia-Europea Workshop on Information Theory, pp.55-59, Oct. 2006.

・ Satoshi Sunada, Takahisa Harayama, “Sagnac Effect in Resonant Microcavities,” 18th International Conference on Optical Fiber Sensors , TuE62.pdf, Oct. 2006.

・ Keizo Inagaki, Shuichi Tamura, Hiroyuki Noto, Takahisa Harayama, “Sagnac Beat Signals Observed in Semiconductor Fiber-Optic Ring Laser Gyroscope,” 18th International Conference on Optical Fiber Sensors , ME7.pdf, Oct. 2006.

・ Chang-Jun Ahn, Makoto Taromaru, “Pilot Frequency Nulling based Channel Estimation for Multiple QR-Decompositions with Transposed Channel Matrix SDM/OFDM,” 2006 IEEE Information Theory Workshop, 1-4244-0067-8, pp.636-640, Oct. 2006.

・ Takahisa Harayama, “Theory and Applications of 2D Microcavity Lasers,” Novacella Autumn Conference 2006 Chaos and Complex Systems, N/A, Oct. 2006.

・ Mayumi Yamamoto, Makoto Taromaru, Hanae Sadamichi (Sanyo Electric), Atsushi Shimizu (Sanyo Electric), “Performance of Angle Switch Diversity Using ESPAR Antenna for Mobile Reception of Terrestrial Digital TV,” Vehicular Technology Conference 2006 Fall, 1-4244-0063-5, Sept. 2006.

・ Hisanori Amasaki, Kazuto Yano, Makoto Taromaru, Takashi Ohira, “Simulation for Millimeter Wave Delay Profile Using Ray-Tracing Method with Considering Antenna Directivity,” 2006 Korea-Japan AP/EMCJ/EMT Joint Conference, pp.165-168, Sept. 2006.

・ Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “Directional Lasing Emission from Stadium-shaped Microcavities,” International Conference on Quantum Mechanics and Chaos, PS-B14 (p.104), Sept. 2006.

・ Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Control and Switching of Light Emission in Quasistadium Microcavity Laser Diodes by using Two Electrodes,” International Conference on Quantum Mechanics and Chaos, PS-A15 (p.65), Sept. 2006.

・ Yutaka Nakae, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Mode Switching by Multi-electrodes and Tandem Quasi-stadium Laser Diodes,” International Conference on Quantum Mechanics and Chaos, PS-A14 (p.64), Sept. 2006.

・ Satoshi Sunada, Takahisa Harayama, “Sagnac Effect in Rotating Resonant Microcavities,” International Conference on Quantum Mechanics and Chaos, PS-B13 (p.103), Sept. 2006.

・ akahisa Harayama, “Theory, Experiments, and Applications of 2D Microcavity Lasers,” International Conference on Quantum Mechanics and Chaos, p.23, Sept. 2006.

・ Takahiko Sasaki, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Locking of Two Modes in InGaAsP Multiple-quantum-well Quasi-stadium Laser Resonators,” International Conference on Quantum Mechanics and Chaos, PS-B15 (p.105), Sept. 2006.

・ Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Far Field Emission Patterns from Oval-Billiard Microcavity laser Diodes,” International Conference on Quantum Mechanics and Chaos, PS-B12 (p.102), Sept. 2006.

・ Qing Han, Victor Briend, Takashi Ohira, “Evaluation of the Adaptive Beamforming Capability of an ESPAR Antenna Using the Genetic Algorithm,” European Conference on Wireless Technology 2006, pp.59-62, Sept. 2006.

・ Eddy Taillefer, Wataru Nomura (ATR/Doshisha Univ.), Makoto Taromaru, “New Direction-of-arrival Estimation Method Based on the Reactance-domain ESPRIT Algorithm With Improved Subarray-configuration Selection,” European Conference on Wireless Technology 2006, pp.55-58, Sept. 2006.

・ Takahisa Harayama, “Complexity of 2D Microcavity Lasers,” Dynamical Chaos and Non-equilibrium Statistical Mechanics: From Rigorous Results to Applications in Nano-systems, N/A, Aug. 2006.

・ Susumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “Highly Directional Emission in Stadium-Cavity Lasers,” Dynamics Days Asia Pacific 4, p.20, Jul. 2006.

・ Takahisa Harayama, “Nonlinear Dynamics and Optical Sensing Application of 2D Microcavity Lasers,” Dynamics Days Asia Pacific 4, p.9, Jul. 2006.

・ Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Control of Emission Light in Quasi-Stadium Micro-Cavity Laser Diodes,” Dynamics Days Asia Pacific 4, p.81, Jul. 2006.

・ omoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Shape Parameter Dependence of Emission Patterns from the Oval-Billiard Microcavity Laser Diodes,” Dynamics Days Asia Pasific 4, p.78, Jul. 2006.

・ Makoto Taromaru, Hirofumi Aino (ATR/Doshisha Univ.), “Fast Periodic Antenna Switching for Diversity and Smart Antenna:On SNR Property and Spurious Response,” 2006 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , pp.4553-4556, Jul. 2006.

・ Qing Han, Munehisa Yabuzaki (ATR/Tokyo Univ. of Sci.), Makoto Taromaru, Takashi Ohira, Masami Akaike (Tokyo Univ. of Sci.), “Radial Fed Circuit For Millimeter-Wave Switched Sector-Beam Antenna,” 2006 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , pp.3447-3450, Jul. 2006.

・ usumu Shinohara, Takahisa Harayama, Hakan E. Tureci (Yale Univ.), Douglas A. Stone (Yale Univ.), “Highly Directional Emission in Stadium-Cavity Lasers,” 8th International Conference on Transparent Optical Networks, p.137, Jun. 2006.

・ Yutaka Nakae, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Ring and Axis Mode Switching in Quasi-stadium Laser Diodes with Multi-electrodes,” 8th International Conference on Transparent Optical Networks, pp.132-133, Jun. 2006.

・ Satoshi Sunada, Takahisa Harayama, “Sagnac Effect in Resonant Microcavities,” 8th International Conference on Transparent Optical Networks, p.92, Jun. 2006.

・ Takahiko Sasaki, Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Locking of Two Modes and Unidirectional Beam Emission in Quasi-stadium Laser Diodes,” 8th International Conference on Transparent Optical Networks, pp.134-136, Jun. 2006.

・ Tomoko Tanaka, Martina Hentschel (Regensburg Univ.), Takehiro Fukushima (ATR/Okayama Pre. Univ.), Takahisa Harayama, “Directional Emission Patterns from the Oval-Billiard Microcavity Laser Diodes,” 8th International Conference on Transparent Optical Networks , pp.121-123, Jun. 2006.

・ Muhan Choi, Tomoko Tanaka, Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Control of Directional Emission in Two-dimensional Quasi-Stadium Micro-Cavity Laser Diodes with Two-Electrodes,” 8th International Conference on Transparent Optical Networks (ICTON2006), pp.117-120, Jun. 2006.

・ Takahisa Harayama, “Theory and Application of 2D Microcavity Lasers,” International Conference on the Frontiers of Nonlinear and Complex Systems , p.43 (abstruct), May. 2006.

・ akehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, “Mode Switching by Optical Injection in Tandem Quasi- Stadium Laser Diodes,” Conference on Laser and Electro-Optics/Quantum Electronics Laser Conference 2006 , JWB4, May. 2006.

・ Thomas Hunziker, Makoto Taromaru, “An Adaptive Beamforming Scheme for Enhanced Cochannel Interference Mitigation on Short Array Signal Intervals,” IEEE Int. Conf. on Acoustics, Speech, and Signal Processing (ICASSP), pp.IV1025-IV1028, May. 2006.

・ hen Sun, Makoto Taromaru, Nemai Chandra Karmakar (Monash Univ.), “On the Combination of Receive Beamforming with Alamouti Decoders,” 2006 IEEE 63rd Vehicular Technology Conference, 7H-2, May. 2006.

・ Hitoshi Shimizu, Shanmugam Saravanan, “Comparison of Buffer Material for InAs Quantum Dots on GaAs Substrate,” 2006 IEEE 18th International Conference on Indium Phosphide & Related Materials , pp.197-200, May. 2006.

・ itoshi Shimizu, Shanmugam Saravanan, Junji Yoshida, Sayoko Ibe (Furukawa Elec.), Noriyuki Yokouchi (Furukawa Elec.), “Multilayered InAs Quantum Dot Lasers with Different Dot Density,” 2006 IEEE 18th International Conference on Indium Phosphide & Related Materials , pp.377-380, May. 2006.

・ Shanmugam Saravanan, Hitoshi Shimizu, “Stacking of InAs/GaAs QDs with Less Strain by using Growth Interruption ,” The 2006 IEEE 18th Conference on Indium Phosphide and Related Materials, pp.204-207, May. 2006.

2005

Journals

・ Chulgyun Park (Tokyo Inst. of Tech.), Jun-ichi Takada (Tokyo Inst. of Tech.), Kei Sakaguchi (Tokyo Inst. of Tech.), Takashi Ohira, “Spatial Fading Simulator Using a Cavity-Excited Circular Array (CECA) for Performance Evaluation of Antenna Arrays,” IEICE Transactions on Communications, Vol.E89-B, No.3, pp.906-913, Mar. 2006.

・ Takehiro Fukushima (ATR/Okayama Pref. Univ.), Takahisa Harayama, Jan Wiersig (Univ. of Bremen), “Ray-Wave Correspondence in an Unstable Quasi-Stadium Laser Resonator,” Physical Review A, Vol.73, pp.023816, Jan. 2006.

・ Kyouichi Iigusa, Takashi Ohira, Bokuji Komiyama, “An Electronically Invisible Dipole Loaded with a Variable Reactor and Its Applications for a Reconfigurable Antenna,” Electronics and Communications in Japan, Part 1, Vol.89, No.3, pp.21-35, Jan. 2006.

・ Shanmugam Saravanan, Hitoshi Shimizu, “Long Wavelength and Narrow Photoluminescence Linewidth from InAs Quantum Dots with GaAs Cap Layer on GaAs (100) Substrate,” Journal of Crystal Growth, Vol.289, pp.14-17, Dec. 2005.

・ Eddy Taillefer, Akifumi Hirata, Takashi Ohira, “Reactance-Domain ESPRIT Algorithm for a Hexagonally Shaped Seven-Element ESPAR Antenna,” IEEE Transactions on Antennas and Propagation, Vol.53, No.11, pp.3486-3495, Nov. 2005.

・ Kyouichi Iigusa , Takashi Ohira, Bokuji Komiyama, “An Equivalent Weight Vector Model of Array Antennas Considering Current Distribution along Dipole Elements,” Electronics and Communications in Japan, Part 1, Vol.89, No.2, pp.22-35, Oct. 2005.

・ Tomoyuki Aono, Keisuke Higuchi, Takashi Ohira, Bokuji Komiyama, Hideichi Sasaoka (Doshisha Univ.) , “IEEE802.15.4 ESPARSKey (Encryption Scheme Parasite Array Radiator Secret Key) ,” The IEICE Transactions, Vol.J88-B, No.9, pp.1801-1812, Sept. 2005.

・ Masahiro Ogusu (Toshiba), Keizo Inagaki, Takashi Ohira, Ichiro Ogura (NEC), Hiroyuki Yokoyama (Tohoku Univ.), “Millimeter-wave WDM Sources using Two-mode Injection-locked FP Lasers,” Optics Communications, Vol.251, Issue1-3, pp.75-93, Jul. 2005.

・ Akifumi Hirata, Eddy Taillefer, Tomoyuki Aono, Hiroyoshi Yamada (ATR/Niigata Univ.), Takashi Ohira, “Reactance-Domain SSP MUSIC for DOA Estimation of Coherent Waves with a Seven-Element Circular ESPAR Antenna,” Electronics and Communications in Japan, Part 1, Vol.88, No.12, pp.40-49, Jun. 2005.

・ Takahisa Harayama, Satoshi Sunada, Kensuke Ikeda (Ritsumeikan Univ.), “Theory of Two-dimensional Microcavity Lasers,” Physical Review A, Vol.72, pp.013803, Jun. 2005.

・ Qing Han, Brett Hanna (Startronics), Takashi Ohira, “A Compact Espar Antenna with Planar Parasitic Elements on a Dielectric Cylinder,” IEICE Transactions on Communications, Vol.E88-B, No.6, pp.2284-2290, Jun. 2005.

・ Satoshi Sunada, Takahisa Harayama, Kensuke Ikeda (Ritsumeikan Univ.), “Multiple-mode Lasing in Two-dimensional Fully Chaotic Cavity Lasers,” Physical Review E, Vol.71, pp.046209, Apr. 2005.

・ Haruo Kawakami (Antenna Giken), Takashi Ohira, “Electrically Steerable Passive Array Radiator (ESPAR) Antennas,” IEEE Antennas and Propagation Magazine, Vol.47, No.2, pp.43-50, Apr. 2005.

・ Kyouichi Iigusa , Takashi Ohira, Bokuji Komiyama , “An Electrically Invisible Dipole Loaded with a Variable Reactor and Its Applications for a Reconfigurable Antenna ,” The IEICE Transactions, Vol.J88-B, No.4, pp.771-784, Apr. 2005.

International Conferences

・ Shanmugam Saravanan, Hitoshi Shimizu, Pablo Vaccaro, “Long Wavelength Photoluminescence Emission from InAs Quantum Dots Embedded in GaAs Matrix,” SPIE Microelectronics, MEMS, and Nanotechnology 2005, Vol.6038, pp.603807-1-603807-6, Dec. 2005.

・ Qing Han, Takashi Ohira, “Statistical Evaluation of ESPAR Antennas and Adaptive Beamforming Performance Prediction Using Extracted Parameters of an ESPAR Antenna,” Asia-Pacific Microwave Conference 2005, Sesstion W12, Dec. 2005.

・ Yuusuke Yamauchi (Sophia Univ.), Yasumasa Kawakita (Sophia Univ.), Satoshi Okamoto (Sophia Univ.), Junji Yoshida, Kazuhiko Shimomura (Sophia Univ.), “Size and Density Control of InAs Quantum Dots by Selective MOVPE Growth Employing Stripe Mask Array and Composition-Varied GaInAs Layer,” The 18th Annual Meeting of the IEEE Lasers & Electro-Optics Society, pp.613-614 (WT3), Oct. 2005.

・ Makoto Taromaru, Takashi Ohira, “Electronically Steerable Parasitic Array Radiator Antenna: -Principle, Control Theory and Its Applications-,” 28th General Assembly of International Union of Radio Science , C02.1 (01431), Oct. 2005.

・ Yukihiro Kamiya (ATR/TUAT), Takashi Ohira, “A New Concurrent Reactance- and Time-domain Signal Processing Approach for the ESPAR Antenna for M-ary/SS Systems ,” 28th General Assembly of International Union of Radio Science, C02.2 (01181), Oct. 2005.

・ Qing Han, Atsushi Shimura (ATR/Tokyo Univ. of Sci.), Keizo Inagaki, Takashi Ohira, Masami Akaike (Tokyo Univ. of Sci.), “A GaAs Monolithic Anti-Series Varactor Pair for Voltage-Controlled Capacitance with Reduced RF Nonlinearity,” European Gallium Arsenide and other Compound Semiconductors Application Symposium 2005, pp.609-612, Oct. 2005.

・ Mickael Pencole, Eddy Taillefer, Tatsuya Shimizu, Makoto Taromaru, “Direction-of-Arrival Estimation of Highly Correlated Signals by Applying Forward-Backward Averaging to the ESPRIT Algorithm for 7-element ESPAR Antenna,” European Conference on Wireless Technology, pp.55-58, Oct. 2005.
Tomoyuki Aono, Keiesuke Higuchi, Makoto Taromaru, Takashi Ohira, Hideichi Sasaoka (Doshisha Univ.), “Wireless Secret Key Generation Exploiting the Reactance-domain Scalar Response of Multipath Fading Channels: RSSI Interleaving Scheme,” European Conference on Wireless Technology 2005, pp.173-176, Oct. 2005.・ Takuma Sawaya, Yoshiharu Okamoto (NICT), Kyouichi Iigusa, Makoto Taromaru, Takashi Ohira, “Consecutive Radio-Zone DSRC System with an In-Vehicle Reactance Diversity Antenna,” 8th International IEEE Conference on Intelligent transportation Systems, pp.149-154, Sept. 2005.

・ Chen Sun, Thomas Hunziker, Makoto Taromaru, “Employing Directional Antennas in Double Directional Radio Channel,” 2nd International Symposium on Wireless Communication Systems 2005, WS6-1, Sept. 2005.

・ Makoto Taromaru, Takashi Ohira, Makoto Yamamoto, Kyouichi Iigusa, “Reactance Diversity Antenna for Indoor Reception of Terrestrial Digital TV Broadcasting,” 10th International Symposium on Microwave and Optical Technology, pp.566-569, Aug. 2005.

・ Tomoshige Furuhi (Murata Manufacturing), Osamu Shibata (Murata Manufacturing), Akifumi Hirata, Makoto Taromaru, Takashi Ohira, “Doppler-Based DOA Estimation with an ESPAR Antenna Operated on Cyclically Controlled Reactances,” The 2005 International Syposium on Antennas and Propagation, pp.321-324, Aug. 2005.

・ Norihiko Kamata (Univ. of Saitama), Shanmugam Saravanan, J. M. Zanardi Ocampo, Pablo Vaccaro, Yasuhiko Arakawa (Tokyo Univ.), “Nonradiative Centers in InAs Quantum Dots Revealed by Two-wavelength Excited Photoluminescence ,” The 23th International Conference on Defects in Semiconductors , Vol. 376-377 pp.849-852, Jul. 2005.

・ Hitoshi Shimizu, Shanmugam Saravanan, “InAs Quantum Dot Lasers on GaAs Substrate with 12 Layers,” Pacific Rim Conference on Lasers and Electro-Optics 2005, CTuJ1-2, Jul. 2005.

・ Chen Sun, Akifumi Hirata, Tatsuya Shimizu, Takashi Ohira, “Sectorized Calibration of an ESPAR Antenna for CUBA-MUSIC Direction of Arrival Estimation,” 2005 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , s107p04a, Jul. 2005.

・ Kyouichi Iigusa, Makoto Yamamoto, Takuma Sawaya, Kouji Kato (ATR/Kyushu Sangyo Univ.), Makoto Taromaru, Takashi Ohira, “RF-and DC-line Share Ring Frequency Controllable Antenna,” 2005 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting , sp48p06a, Jul. 2005.

・ Takahisa Harayama, “Theory and Application of 2D Microcavity Lasers,” 6th International Summer School and Conference “Let’s Face Chaos through Nonlinear Dynamics”, p.43 (Invited), Jun. 2005.

・ Thomas Hunziker, Makoto Taromaru, “Maximum-Likelihood Decoding of Array Signals With Block-Wise Gaussian Cochannel Interference,” 2005 IEEE Communication Theory Workshop, スライド, Jun. 2005.

・ Susumu Shinohara, Satoshi Sunada, Takahisa Harayama, Kensuke Ikeda (Ritsumeikan Univ.), “Mode dynamics in 2D microcavity lasers,” 2005 SIAM Conference on Applications of Dynamical Systems, PP0 (pp.193), May. 2005.

・ Susumu Shinohara, “The Diagram for Shearless Torus Breakup and Separatrix Reconnection in the Quadratic Nontwist Map,” 2005 SIAM Conference on Applications of Dynamical Systems, MS48 (pp.139-140), May. 2005.

・ Takehiro Fukushima (ATR/Okayama Pre. Univ.), Tomoko Tanaka, Takahisa Harayama, “Unidirectional Beam Emission from Confocal Quasi-Stadium Laser Diodes,” Conference on Lasers and Electro-Optics/Quantum Electronics & Laser Conference 2005 , CMFF6, May. 2005.

2004

Journals

・ Kyouichi Iigusa, Takashi Ohira, Bokuji Komiyama , “An Equivalent Steering Vector Model of an Electronically Steerable Parasitic Array Radiator Antenna and Its Structural Parameter Extraction ,” The IEICE Transactions, Vol.J88-B, No.1, pp.291-309, Jan. 2005.

・ Chen Sun, Nemai Chandra Karmakar (Monash Univ.), “Direction of Arrival Estimation Based on a Single Port Smart Antenna Using MUSIC Algorithm with Periodic Signals,” International Journal of Signal Processing, Vol.1, No.2, pp.153-162, Dec. 2004.

・ Takashi Ohira, Kyouichi Iigusa, “Electronically Steerable Parasitic Array Radiator Antenna,” Electronics and Communications in Japan, Part 2, Vol.87, No.10, pp.25-45, Oct. 2004.

・ Akifumi Hitara , Eddy Taillefer, Tomoyuki Aono, Hiroyoshi Yamada (ATR/Niigata Univ), Takashi Ohira, “Reactance-Domain SSP MUSIC for DOA Estimation of Coherent Waves with 7-Element Circular Espar Antenna ,” The IEICE Transactions, Vol.J87-8, No.9, pp.1405-1413, Sept. 2004.

・ Yoshinori Suzuki (NTT Network Innovation Lab.), Yutaka Imaizumi (NTT Network Innovation Lab.), Katsuhiko Araki(NTT Network Innovation Lab.), Takashi Ohira , Fuminori Ishitsuka (NTT Electronics), “Entire Beam Forming Networks for Phased Array Fed Reflector Antennas aboard Engineering Test Satellite8 ,” The Journal of the Institute of Electronics, Informationand Communication Engineers(J. IEICE), Vol.J87-B, No.8, pp.1053-1062, Aug. 2004.

International Conferences

・ Chen Sun, Nemai Chandra Karmakar (Monash Univ.), “Combining Beamforming with MMSE Alamouti Multiuser Interference Cancellation Receiver,” 4th IEEE Symposium on Signal Processing and Information Technology (ISSPIT2004), pp. 254-257, Dec. 2004.

・ Kyouichi Iigusa, Takashi Ohira, Bokuji Komiyama, “Electrically-Invisible Parasitic Dipoles for Reconfigurable Array Antennas,” Asia Pacific Microwave Conference 2004, Session E8-6, Dec. 2004.

・ Mathieu Lenoble, Thomas Hunziker, Tomoyuki Aono, Takashi Ohira, “A Practical Medium Access Scheme for Wireless Ad Hoc Networks Employing ESPAR Antennas,” European Conference on Wireless Technology, pp.297-300, Oct. 2004.

・ Tomoyuki Aono, Takashi Itoh (ATR/TLC), Takashi Ohira, Hideichi Sasaoka (Doshisha Univ.), “Anti-Eavesdrop Secret Key for Wireless Communications,” 2004 International Symposium on Antennas and Propagation, Proceedings, N/A, Aug. 2004.

・ Yoshihiko Ogawa (ATR/Doshisha Univ.), Akifumi Hirata, Hiroyoshi Yamada(ATR/Nigata Univ.), Takashi Ohira, “Experiment of DOA Estimation with RD-CUBA-MUSIC Using 7-element ESPAR Antennas,” 2004 International Symposium on Antennas and Propagation, pp.1309-1312, Aug. 2004.

・ Masami Akaike (Tokyo Univ. of Sci.), Takashi Ohira, Keizo Inagaki, Qing Han, “Numerical Analysis of Nonlinear Distortion Generated from Anti-Series Schottky-Barrier Diode Pair,” 2004 International Symposium on Signals Systems, and Electronics, IS-0185, Aug. 2004.

・ Susumu Shinohara, “Mode Dynamics in 2D Microcavity Lasers,” Dynamics Days Asia Pacific 3, p.72, Jun. 2004.

・ Satoshi Sunada, “Stable Lasing and Instability in Stadium-shaped Cavity Lasers,” Dynamics Days Asia Pacific 3, p.71, Jun. 2004.