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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 15件中 1~15件目  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, RCS
(Joint)
2019-11-20
11:20
Saga Saga Univ. [Encouragement Talk] Low Complexity User Selection Algorithm for HighSHF Band Multi-User Massive MIMO Using Hybrid Beamforming
Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO)
 [more]
RCS, SAT
(Joint)
2019-08-23
09:55
Aichi Nagoya University Outdoor Experimental Trials on Multi-User MIMO Transmission for High SHF Wide-band Massive MIMO in 5G
Manabu Sakai, Kenichiro Kamohara, Hiroki Iura, Kazuaki Ishioka, Masayuki Nakazawa, Akihiro Okazaki (MELCO), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino (DOCOMO), Atsushi Okamura (MELCO), Yukihiko Okumura (DOCOMO)
This paper reports outdoor experimental trial results of multi-user massive multiple-input multiple-output (MIMO) with 5... [more] RCS2019-162
pp.85-90
RCS 2019-06-21
16:50
Okinawa Miyakojima Hirara Port Terminal Building Indoor Experimental Trial on MU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G
Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Kenichirou Kamohara, Manabu Sakai, Kuniyuki Suzuki, Hiroki Iura (Mitsubishi Electric), Yukihiko Okumura (NTT DOCOMO)
 [more] RCS2019-100
pp.371-376
RCS 2019-04-18
11:20
Hokkaido Noboribetsu Grand Hotel 28 GHz-Band Experimental Trial of Downlink Massive MIMO in Urban Railway Environment
Kazushi Muraoka, Nobuhide Nonaka, Yuta Takahashi, Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO)
Field trials of the fifth-generation (5G) mobile communication system using 28 GHz band at which 400 MHz band will be av... [more] RCS2019-5
pp.23-28
RCS, SR, SRW
(Joint)
2019-03-07
12:25
Kanagawa YRP [Technology Exhibit] DOCOMO's Activities in 5G System Trial in Fiscal Year 2018
Nobuhide Nonaka, Tatsuki Okuyama, Yuta Takahashi, Kazushi Muraoka, Noriaki Minamida, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO)
Standardization, research, and development activities are conducted for the fifth-generation (5G) mobile communication s... [more] RCS2018-308 SR2018-129 SRW2018-59
p.145(RCS), p.57(SR), p.25(SRW)
RCS, SR, SRW
(Joint)
2019-03-08
16:30
Kanagawa YRP [Encouragement Talk] System Development on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroki Iura, Hiroshi Nishimoto, Tasuku Kuriyama, Hideyuki Nakamizo, Daichi Uchino, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino, Yasunori Suzuki, Tetsuro Imai (NTT docomo), Atsushi Okamura (Mitsubishi Electric), Yukihiko Okumura (NTT docomo)
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2018-332
pp.261-266
RCS, SR, SRW
(Joint)
2019-03-08
16:55
Kanagawa YRP Indoor Experimental Trial on SU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G
nobuhide nonaka, kazushi muraoka, satoshi suyama, jun mashino (DOCOMO), kenji nakagawa, kenichiro kamohara, manabu sakai, yoshitaka murata, hiroki iura (Mitsubishi), yukihiko okumura (DOCOMO)
The fifth-generation (5G) mobile communication system will introduce Massive MIMO technology at higher frequency bands w... [more] RCS2018-333
pp.267-271
RCS, SIP, IT 2019-02-01
13:55
Osaka Osaka University Outdoor Experimental Trial on SU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G
Manabu Sakai, Kenji Nakagawa, Kenichiro Kamohara, Hiroki Iura, Naofumi Iwayama, Kazuaki Ishioka, Masayuki Yamamoto, Akihiro Okazaki (MELCO), Nobuhide Nonaka, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Atsushi Okamura (MELCO), Yukihiko Okumura (NTT DOCOMO)
This paper reports the outdoor experimental trial on SU-MIMO transmission with 16 stream spatially–multiplexing using hy... [more] IT2018-70 SIP2018-100 RCS2018-277
pp.203-207
RCS, AP
(Joint)
2018-11-22
15:30
Okinawa Okinawa Industry Support Center Low Complexity User Selection Algorithm for High SHF Band Multi-User Massive MIMO Using Hybrid Beamforming
Nobuhide Nonaka, Kazushi Muraoka, Satosi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO)
The 5th Generation (5G) radio access network will introduce Massive MIMO technology at higher frequency bands with wider... [more] RCS2018-214
pp.205-210
RCS 2018-10-19
14:20
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Lecture] Experimental Trial on 16-beam Spatial-Multiplexing for High SHF Wide-band Massive MIMO in 5G
Hiroki Iura, Manabu Sakai, Nobuhide Nonaka, Naofumi Iwayama, Akihiro Okazaki (Mitsubishi Electric Corp.), Nobuhide Suyama, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Atsushi Okamura (Mitsubishi Electric Corp.), Yukihiko Okumura (NTT DOCOMO)
Recently, mobile communication systems for the fifth generation (5G) in higher frequency bands have been extensively stu... [more] RCS2018-173
pp.121-124
AP
(2nd)
2015-01-08
14:05
Overseas PTIT, Ho Chi Minh City, Vietnam Investigation of Throughput Performance of NOMA Using Intra-beam Superposition Coding and SIC in MIMO Downlink Assuming Realistic Channel Estimation Error
Nobuhide Nonaka, Kenichi Higuchi (Tokyo Univ. of Science)
We investigate the influence of channel estimation error on the achievable system-level throughput performance of our pr... [more]
RCS, NS
(Joint)
2014-12-19
11:15
Mie Iseshi-Kanko-Bunka-Kaikan (Mie) System-Level Throughput of NOMA Using Intra-beam Superposition Coding and SIC in MIMO Downlink When Channel Estimation Error Exists
Nobuhide Nonaka (Tokyo Univ. of Science), Anass Benjebbour (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
We investigate the influence of channel estimation error on the achievable system-level throughput performance of our pr... [more] RCS2014-256
pp.213-218
RCS 2014-06-17
17:10
Okinawa Okinawa-ken Seinenkaikan (Naha) Non-orthogonal Multiple Access Using Intra-beam Superposition Coding and SIC in Base Station Cooperative MIMO Cellular Downlink
Nobuhide Nonaka (Tokyo Univ. of Science), Anass Benjebbour (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
This paper extends our previously proposed non-orthogonal multiple access (NOMA) scheme to the base station (BS) coopera... [more] RCS2014-56
pp.137-142
RCS, AP
(Joint)
2013-11-20
14:00
Shimane Matsue Terrsa Comparison of Beamforming Matrix Control Methods in Base Station Cooperative Multiuser MIMO Using Block-Diagonalized Beamforming Matrix
Nobuhide Nonaka (Tokyo Univ. of Science), Yuichi Kakishima (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
This paper investigates beamforming control method in the base station (BS) cooperative multiuser multiple-input multipl... [more] RCS2013-176
pp.13-18
RCS 2013-06-20
11:10
Hokkaido Hokkaido Univ. Base Station Cooperative Multiuser MIMO Using Block-diagonalized Random Beamforming with Online Update
Nobuhide Nonaka (Tokyo Univ. of Science), Yuichi Kakishima (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
This paper investigates an application of random (opportunistic) beamforming (RB) to the base station (BS) cooperative m... [more] RCS2013-49
pp.73-78
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