"Naoki Kusashima,I. D. Garcia,Kei Sakaguchi,Kiyomichi Araki,Shoji KANEKO,Yoji KISHI","Dynamic Fractional Base Station Cooperation using Shared Distributed  Remote Radio Units for Advanced Cellular Networks",,"IEICE Transaction on Communications",,"Vol. E94-B","no. 12","pp. 3259-3271",2011,Dec.
"Gia Khanh Tran,Rindranirina Ramamonjison,Kei Sakaguchi,Kiyomichi Araki","Distributed and joint optimization of power and transceiver beam pattern in two-way MIMO relay networks","RCS研究会","信学技報","電子情報通信学会",,"  RCS2011-244",,2011,Dec.
"Yu Yuan Chang,Kiyomichi Araki","Simplified Block Diagonalization for Multiuser MIMO Systems with Gram-Schmidt Orthogonalization",,"IEICE Transaction on Fundamentals",,"Vol. E94-A","no. 11","pp. 2837-2846",2011,Nov.
"Shinichi Tajima,Tran Gia Khanh,Kei Sakaguchi,Kiyomichi Araki,Shoji KANEKO,Noriaki Miyazaki,Satoshi Konishi,Yoji KISHI","Resource allocation model and parameter optimization in Heterogeneous Networks",,"信学技報",,,"  RCS2011-197",,2011,Nov.
"Van Ky Nguyen,Namzilp Lertwiram,Gia Khanh Tran,Kei Sakaguchi,Kiyomichi Araki","Study on Distributed Power Control Network to Suppress the Peak Power Consumption","RRRC研究会","信学技報",,,"  RRRC2011-13",,2011,Nov.
"Maki Arai,Kei Sakaguchi,Kiyomichi Araki,Yoshio Koyanagi,Takayuki SOTOYAMA","Optimization of MIMO Antenna Directivities and  Derivation of Current Distributions by Using Spherical Mode Expansion",,"IEICE Technical Report",,,"  A・P2011-99",,2011,Nov.
"Yasuyuki Oishi,Shigekazu Kimura,Eisuke Fukuda,Takeshi Takano,Yoshimasa Daido,Kiyomichi Araki","Iterative Determination of Phase Reference in IMD Measurement to Characterize Nonlinear Behavior, and to Derive Inverse, for Power Amplifier with Memory Effect",,"IEICE Transaction on Electronics",,"Vol. E94-C","No. 10","pp. 1515-1523",2011,Oct.
"Masahiro Watanabe,Takao Sekiguchi,Gia Khanh Tran,Kei Sakaguchi,Kiyomichi Araki,Daisuke Hayashi,Shintaro Arata","Detection of unidentified radio emitter employing multiple sensors toward the realization of distributed spectrum monitor","SR研究会","電子情報通信学会 信学技報",,"Vol. IEICE-111","No. IEICE-SR-261","pp. 127-134",2011,Oct.
"Gia Khanh Tran,Putro Wicaksono Ragil,Daiki Maehara,Kei Sakaguchi,Kiyomichi Araki,Minoru Furukawa","Link Design for Indoor Sensor Networks Driven by Wireless Power Transmission",,"Technical Report","IEICE","vol. 111","no. 261","pp. 135-142",2011,Oct.
"Yu Yuan Chang,Kiyomichi Araki","Simplified Capacity-based User Scheduling Algorithm for Multiuser MIMO Systems with Block Diagonalization",,"IEICE Transaction on Communication","IEICE","Vol. 94-B","No. 10",,2011,Oct.
"Kei Sakaguchi,Putro Wicaksono Ragil,Gia Khanh Tran,Daiki Maehara,Kiyomichi Araki,Minoru Furukawa","Link Design and Evaluation for Indoor Sensor Networks with Wireless Energy Transmission","SRW研究会","Technical Report",,,,,2011,Oct.
"Takana Kaho(Saito),Yo Yamaguchi,Kazuhiro Uehara,Kiyomichi Araki","A low-noise High-gain Quasi-millimeter-wave Receiver MMIC with a Very High Degree of Integration Using 3D-MMIC Technology",,"IEICE Transaction on Electronics",,"Vol. E94-C","No. 10","pp. 1548-1556",2011,Oct.
"Doppo Sugimura,Maki Arai,Kei Sakaguchi,Kiyomichi Araki,Takayuki SOTOYAMA","A Study on Beam Tilt Angle of Base Station Antennas for Base Station Cooperation Systems",,"IEEE PIMRC 2011",,,,,2011,Sept.
"Keiichi Mizutani,Gia Khanh Tran,Kei Sakaguchi,Kiyomichi Araki","Network Synchronization for TDD-OFDM Two-way Multi-hop Relay Networks with MIMO Network Coding",,"IEICE Society Conference 2011",,"  B-5-24",,,2011,Sept.
"Daisuke Matsuo,Maki Arai,Kei Sakaguchi,Kiyomichi Araki","A Study on Design of Spatial Fading Emulator Based on Clarke's Model",,"IEEE PIMRC 2011",,,,,2011,Sept.
"Shinichi Tajima,Rindranirina Ramamonjison,Gia Khanh Tran,Kei Sakaguchi,Kiyomichi Araki,Noriaki Miyazaki,Shoji Kaneko,Yoji Kishi","Optimization for Fractional Frequency Sharing in Heterogeneous Network",,"IEICE Society Conference 2011",,"  BS-3-13",,,2011,Sept.
"Hidekazu Shimodaira,Shinichi Tajima,Gia Khanh Tran,Kei Sakaguchi,Kiyomichi Araki,Shoji Kaneko,Noriaki Miyazaki,Yoji Kishi","Design of Pico Cell Parameters in Heterogeneous Network",,"IEICE Society Conference 2011",,"  BS-3-12",,,2011,Sept.
"Yu Yuan Chang,Kiyomichi Araki","Simple Scheme for MIMO Wireless Systems with Gram-Schmidt Orthogonalization",,"The 8th Asia Pacific Wireless Communication Symposium (APWCS '11)",,,,,2011,Aug.
"Yinpei Miao,Kiyomichi Araki","The analysis of receiving system by using parasitic  antenna  element",,"IEICE Technical Report",,,"  RCS2011-",,2011,Aug.
"Koji Okazaki,Kiyomichi Araki","Detailed Analysis of Multilayer Broad-Side Coupler with a Symmetric Structure",,"IEICE Transaction on Electronics",,"Vol. E94-C","No. 8","pp. 1253-1261",2011,Aug.
"加保 貴奈,山口 陽,芝 宏礼,赤羽 和徳,上原 一浩,Kiyomichi Araki","C-2-11 マルチバンド一括受信ミキサMMICの一検討(C-2.マイクロ波A(マイクロ波・ミリ波能動デバイス,一般セッション)",,"電子情報通信学会ソサイエティ大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 1","pp. 35",2011,Aug.
"木田 祐太郎,水谷 圭一,タン ザカン,宮本 健宏,阪口 啓,Kiyomichi Araki","ノードのダイナミック参入が可能な同期型MIMO双方向中継ネットワーク",,"電子情報通信学会技術研究報告. SR, ソフトウェア無線 : IEICE technical report","一般社団法人電子情報通信学会","Vol. 111","No. 162","pp. 113-120",2011,July
"R. Ramamonjison,G. K. Tran,K. Sakaguchi,K. Araki,S. Kaneko,Y. Kishi,Noriaki Miyazaki","Spectrum Allocation Strategies for Heterogeneous Networks",,"ICST CrownCom2011",,,,,2011,June
"R. P. Wicaksono,G. K. Tran,K. Sakaguchi,K. Araki","Wireless Grid: Enabling Ubiquitous Sensor Networks with  Wireless Energy Supply",,"IEEE VTC2011-Spring",,,,,2011,May
"加保 貴奈,山口 陽,上原 一浩,Kiyomichi Araki","高集積準ミリ波帯フロンドエンドチップセット",,"電子情報通信学会技術研究報告. MW, マイクロ波","一般社団法人電子情報通信学会","Vol. 111","No. 3","pp. 17-22",2011,Apr.
"Yuutarou Kida,Keiichi Mizutani,Gia Khanh Tran,Takehiro Miyamoto,Kei Sakaguchi,Kiyomichi Araki","Node Extension Typed Synchronization Method for MIMO Multi-hop Relay Network",,"IEICE Technical Report",,"  SR2010-93",,,2011,Mar.
"Daiki Maehara,Keiichi Mizutani,Kei Sakaguchi,Kiyomichi Araki,Tadashi Shirato,Minoru Furukawa,Takehiro Miyamoto,Miki Negishi","Techniques for avoidance of standing wave problem in wireless power transmission at 950MHz band","IEICE General Conference","Proc. of IEICE General Conference","IEICE",,,,2011,Mar.
"タック ゴー ホアング,Yu Yuan Chang,Kiyomichi Araki","B-5-23 マルチユーザMIMOシステムにおけるQoSを考慮したユーザスケージュリングの考察(B-5.無線通信システムA(移動通信),一般セッション)",,"電子情報通信学会総合大会講演論文集","社団法人電子情報通信学会","Vol. 2011","No. 1",,2011,Mar.
"Doppo Sugimura,Maki Arai,Kei Sakaguchi,Kiyomichi Araki,Takayuki SOTOYAMA","A Study on Vertical Pattern of Base Station Antennas for Base Station Cooperation System",,"IEICE Technical Report",,"  AP2010-182",,,2011,Mar.
"Daisuke Matsuo,Maki Arai,Kei Sakaguchi,Kiyomichi Araki","A Study on Arrangement of Scatterers for Realization of Spatial Fading Emulator","IEICE General Conference 2011",,,"  BS-1-4",,,2011,Mar.
"Daisuke Matsuo,Maki Arai,Kei Sakaguchi,Kiyomichi Araki","A Theoretical Study on Design of Spatial Fading Emulator Based on Clarke's Model",,"IEICE Technical Report",,"  AP2010-183",,,2011,Mar.
"ダンク ワンズイ,Kiyomichi Araki","B-1-202 室内環境における受信電力の統計分布を用いた位置推定法(B-1.アンテナ・伝播C(アンテナシステム),一般セッション)",,"電子情報通信学会総合大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 1","pp. 202",2011,Feb.
"加保 貴奈,山口 陽,芝 宏礼,李 斗煥,山田 貴之,上原 一浩,Kiyomichi Araki","C-2-36 変換利得を独立制御可能なマルチバンド同時受信ミクサの一検討(C-2.マイクロ波A(マイクロ波・ミリ波能動デバイス),一般セッション)",,"電子情報通信学会総合大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 1","pp. 74",2011,Feb.
"田島 伸一,草島 直紀,阪口 啓,Kiyomichi Araki,金子 尚史,岸 洋司","ヘテロジニアスネットワークにおける基地局連携MIMOのためのシンボル同期法",,"電子情報通信学会技術研究報告. RCS, 無線通信システム","一般社団法人電子情報通信学会","Vol. 110","No. 433","pp. 337-342",2011,Feb.
"苗 寅培,西尾 耕,Kiyomichi Araki","B-1-212 PAEを用いたSISOシステムの特性評価(B-1.アンテナ・伝播C(アンテナシステム),一般セッション)",,"電子情報通信学会総合大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 1","pp. 212",2011,Feb.
"西尾 耕,Kiyomichi Araki","B-1-211 寄生アンテナ素子付きシングルフロントエンドMIMO無線受信機(B-1.アンテナ・伝播C(アンテナシステム),一般セッション)",,"電子情報通信学会総合大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 1","pp. 211",2011,Feb.
"田島 伸一,草島 直紀,阪口 啓,Kiyomichi Araki,金子 尚史,宮崎 功旭,岸 洋司","B-5-75 ヘテロジニアスネットワークにおける基地局連携MIMOのためのシンボル同期法(B-5.無線通信システムA(移動通信),一般セッション)",,"電子情報通信学会総合大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 1","pp. 461",2011,Feb.
"井上 貴之,金 玄俊,Kiyomichi Araki","C-12-21 電源回路の周波数特性を考慮したPAのモデリング(C-12.集積回路,一般セッション)",,"電子情報通信学会総合大会講演論文集","一般社団法人電子情報通信学会","Vol. 2011","No. 2","pp. 93",2011,Feb.
"Kaho, T.,Yamaguchi, Y.,Shiba, H.,Akabane, K.,Uehara, K.,Kiyomichi Araki","A simultaneous receiving multi-band mixer with independent gain control",,"Asia-Pacific Microwave Conference Proceedings, APMC",,,,"pp. 383-386",2011,