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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, RCS (Joint) |
2016-08-19 13:30 |
Miyagi | Tohoku Gakuin University | Effect of Generating Unequal Spacing Beam Candidates for 5G Low-SHF-Band Massive MIMO with Digital Beamforming Shohhei Yoshioka, Tatsuki Okuyama, Inoue Yuki, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO)  RCS2016-144 |
Toward 5th generation (5G) radio access network in mobile communications, in low-SHF-band, full digital Massive MIMO tec... [more] | RCS2016-144 pp.83-88 |
| IN, RCS (Joint) |
2016-05-20 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Optimization of Number of Beams for 5G Low-SHF-Band Massive MIMO with Digital Beamforming in View of Insertion Loss of Pilot Signals Shohei Yoshioka, Satoshi Suyama, Tatsunori Obara, Tatsuki Okuyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2016-42 |
Toward 5th generation (5G) radio access network in mobile communications for super high bit rate and large system capaci... [more] | RCS2016-42 pp.101-106 |
| RCS | 2016-04-22 10:35 |
Aomori | Romantopia, A Landscape of Forest and Stars, Hirosaki City | Coverage Evaluation of 5G Massiive MIMO Transmission with Digital Beamforming in Low SHF Band Tatsuki Okuyama, Shohei Yoshioka, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2016-14 |
In order to tackle rapidly increasing traffic, 5th generation (5G) radio access network in mobile communications introdu... [more] | RCS2016-14 pp.77-82 |
| RCS, CCS, SR, SRW (Joint) |
2016-03-04 11:15 |
Tokyo | Tokyo Institute of Technology | Performance Evaluation of Massive MIMO with Digital Beamforming in Low SHF Bands for 5G Shohei Yoshioka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2015-378 |
To realize the fifth generation mobile communications system (5G) with super high bit rate and capacity, NTT docomo is a... [more] | RCS2015-378 pp.261-266 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-17 13:00 |
Hokkaido | Kushiro City Lifelong Learning Center | A Simple DPD for Nonlinear Compensation of Beamforming Transmitter Toshiki Hamanaka (Tokyo Univ.), Yasushi Yamao, Yuelin Ma (UEC), Koki Tanji, Eiichiro Otobe (Samsung R&D Japan) EMT2015-46 MW2015-84 OPE2015-58 EST2015-50 MWP2015-49 |
OFDM is widely used for broadband and high-capacity mobile communications. However, it has high PAPR due to its multicar... [more] | EMT2015-46 MW2015-84 OPE2015-58 EST2015-50 MWP2015-49 pp.221-226 |
| RCS | 2014-10-16 11:20 |
Kanagawa | Keio Univ. | Influence of Channel Estimation on Massive MIMO with Joint Analog Beamforming and Digital Precoding in High Frequency Bands Satoshi Suyama, Tatsunori Obara, Jiyun Shen, Yukihiko Okumura (NTT DOCOMO) RCS2014-166 |
In order to tackle rapidly increasing traffic, 5th generation (5G) radio access network in mobile communications introdu... [more] | RCS2014-166 pp.61-66 |
| SANE, SAT (Joint) |
2013-02-22 11:20 |
Okinawa | Youth Center of Okinawa prefecture | Optimization of Monopulse Angle Accuracy Based on Cramer-Rao Lower Bound Ryuhei Takahashi, Teruyuki Hara (Mitsubishi Electric Corp.) SANE2012-156 |
Monopulse angle estimation technique is widely used in phased array radar systems. Conventional monopulse angle accuracy... [more] | SANE2012-156 pp.43-48 |
| RCS, AP (Joint) |
2007-11-08 09:00 |
Tokyo | Univ. of Electro-Commun. | Consideration on Adaptive Beamforming for Multiport Parastic Array Radiator Antenna Masayuki Morishita, Hiroyoshi Yamada (Niigata Univ.), Chen Sun, Makoto Taromaru (ATR), Takashi Ohira (Toyohashi Univ. of Tech.) AP2007-102 |
A digital beamforming(DBF) array with adaptive beamforming has limitation that circuit scale and power consumption incre... [more] | AP2007-102 pp.1-6 |
| AP | 2007-05-17 15:20 |
Kochi | Kochi Univ. of Tech. | Adaptive beamforming with Multiport Parasitic Array Radiator Antenna Masayuki Morishita (Niigata Univ.), Chen Sun, Makoto Taromaru (ATR), Hiroyoshi Yamada (Niigata Univ./ATR), Takashi Ohira (ATR) AP2007-18 |
A digital beamforming (DBF) array performs adaptive beamforming by digital signal processing. However, the circuit scale... [more] | AP2007-18 pp.31-35 |
| SANE | 2007-01-19 10:40 |
Nagasaki | Nagasaki Prefectural Art Museum | A Design Method of Space-Time Clutter Suppression Filters with Beamspace Post-Doppler Structure Takashi Sekiguchi (Mitsubishi Electric Corp.) SANE2006-120 |
Space-time adaptive processing (STAP) suppresses the radar clutter by making a use of both temporal and spatial dimensi... [more] | SANE2006-120 pp.7-12 |
| AP | 2006-02-16 16:30 |
Kanagawa | Toshiba Kenshuu Center(Yokohama) | An investigation of pre- and post-FFT hybrid smart antenna for mobile reception of digital terrestrial broadcasting system Hidehiro Matsuoka, Hideo Kasami, Makoto Tsuruta, Hiroki Shoki (Toshiba Corp.), Seiichi Sampei (Osaka Univ.) |
Improvement of the receiver is an important issue in view of service coverage for mobile terminals for digital terrestr... [more] |
AP2005-171 pp.73-78 |
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