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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 16件中 1~16件目  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SR, SRW
(Joint)
2019-03-07
12:25
Kanagawa YRP [Technology Exhibit] Low-SHF-Band Massive MIMO Active Antenna System for Capacity Enhancement in 5G
Yasushi Maruta, Mochizuki Takuji (NEC) RCS2018-310 SR2018-131 SRW2018-61
To achieve capacity enhancement and low power consumption, Massive MIMO has drawn attention as a key technology. Our res... [more] RCS2018-310 SR2018-131 SRW2018-61
p.149(RCS), p.61(SR), p.29(SRW)
RCS, SR, SRW
(Joint)
2019-03-08
10:55
Kanagawa YRP 5G R&D Activities for High Data Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO
Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Naoto Ishii, Yasushi Maruta (NEC), Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric), Jun Terada, Takeshi Onizawa (NTT) RCS2018-324
 [more] RCS2018-324
pp.213-218
RCS, SR, SRW
(Joint)
2019-03-08
15:00
Kanagawa YRP Research and Development of Low-SHF-Band Massive Element Antennas Technologies for 5G
Yasushi Maruta, Jun Shikida, Naoto Ishii (NEC), Tatsuki Okuyama, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-329
This paper describes our activities related to massive multi input and multi output (MIMO) for use in 5G radio access ne... [more] RCS2018-329
pp.243-248
RCS, SR, SRW
(Joint)
2019-03-08
15:40
Kanagawa YRP Performance Evaluation in the Outdoor Mobile Environment with Low-SHF-Band Massive Element Antennas for 5G
Daisuke Nose, Tomohiro Kikuma, Yasushi Maruta (NEC), Tatsuki Okuyama, Kazushi Muraoka, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-330
We pay attention to the technology of Low- Super High Frequency (SHF) -Band Massive Multiple-Input Multiple-Output (MIM... [more] RCS2018-330
pp.249-254
RCS, AP
(Joint)
2018-11-22
15:50
Okinawa Okinawa Industry Support Center Performance Evaluation of Low-SHF-Band Digital Beamforming in High-Mobility Experimental Trial
Tatsuki Okuyama, Kazushi Muraoka (NTT DOCOMO), Daisuke Nose, Tomohiro Kikuma, Yasushi Maruta (NEC), Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2018-215
The fifth-generation (5G) mobile communication system utilizes Massive MIMO using many number of antenna elements in hig... [more] RCS2018-215
pp.211-216
RCS 2018-10-18
15:20
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Lecture] Indoor DL MU-MIMO Characteristics with 5G Low SHF band Massive MIMO Antenna
Yasushi Maruta, Daisuke Nose, Toshihiro Hayata, Yi Jiang, Tomohiro Kikuma, Kenichiro Yamazaki, Toshifumi Sato (NEC), Tatsuki Okuyama, Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2018-162
To achieve capacity enhancement and low power consumption for 5G, Massive multi input and multi output (MIMO) has drawn ... [more] RCS2018-162
p.67
RCS, SR, SRW
(Joint)
2018-03-01
11:30
Kanagawa YRP Outdoor DL MU-MIMO and Inter Access Point Coordination Performance of Low-SHF-Band C-RAN Massive MIMO System for 5G
Daisuke Nose, Kohei Izui, Kenichiro Yamazaki, Kanada Nakayasu, Tomohiro Kikuma, Yasushi Maruta, Toshifumi Sato (NEC), Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2017-353
To achieve capacity enhancement and low power consumption, Massive MIMO has drawn attention as a key technology. Our res... [more] RCS2017-353
pp.209-214
RCS, SR, SRW
(Joint)
2018-03-01
11:50
Kanagawa YRP [Technology Exhibit] Low-SHF-Band Massive MIMO Active Antenna System for 5G
Yasushi Maruta, Takuji Mochizuki (NEC) RCS2017-359 SR2017-125 SRW2017-79
To achieve capacity enhancement and low power consumption, Massive MIMO has drawn attention as a key technology. Our res... [more] RCS2017-359 SR2017-125 SRW2017-79
p.227(RCS), p.67(SR), p.53(SRW)
RCS 2017-10-20
14:00
Miyagi Tohoku Institute of Technology [Invited Lecture] Performance of Indoor DL Transmission with Low-SHF-Band Massive MIMO Antenna for 5G
Kenichiro Yamazaki, Kazuo Tanada, Daisuke Nose, Kohei Izui, Yasushi Maruta, Toshifumi Sato (NEC), Tatsuki Okuyama, Satoshi Suyama, Jun Mashino, Yukihiko Okumura (NTT DOCOMO) RCS2017-195
In order to tackle rapid increase of data traffic and diversification of mobile service, 5G wireless access system intro... [more] RCS2017-195
pp.149-154
RCS 2017-06-21
15:45
Okinawa Ishigaki Shoukou Kaikan Performance Evaluation of Intersite-Coordination Beamforming for 5G Low-SHF-Band Massive MIMO by Outdoor Experimental Results
Tatsuki Okuyama, Shohei Yoshioka (NTT DOCOMO), Kenichiro Yamazaki, Daisuke Nose (NEC), Satoshi Suyama, Jun Mashino (NTT DOCOMO), Yasushi Maruta (NEC), Yukihiko Okumura (NTT DOCOMO) RCS2017-56
The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system ... [more] RCS2017-56
pp.37-42
RCS 2017-04-25
14:20
Kagawa Kotohira Onsen Kotosankaku Performance Evaluation of Digital Beamforming by Indoor and Outdoor Propagation Experimental Results for 5G Massive MIMO in Low SHF Band
Tatsuki Okuyama (NTT DOCOMO), Kenichiro Yamazaki, Daisuke Nose (NEC), Satoshi Suyama, Jun Mashino, Shohei Yoshioka (NTT DOCOMO), Yasushi Maruta (NEC), Yukihiko Okumura (NTT DOCOMO) RCS2017-25
The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system ... [more] RCS2017-25
pp.131-136
RCS, SR, SRW
(Joint)
2017-03-02
10:50
Tokyo Tokyo Institute of Technology Development and Basic Characteristics of Low-SHF-Band Massive Element Active Antenna System for 5G
Daisuke Nose, Kazuo Tanada, Toshifumi Sato, Yasushi Maruta, Takuji Mochizuki, Masashi Hirabe, Makoto Hayakawa (NEC), Tatsuki Okuyama, Jun Mashino, Satoshi Sumaya, Yukihiko Okumura (NTT DOCOMO) RCS2016-310
Capacity enhancement is desired to deal with rapid increase of data traffic as one of key requirements for 5G. We focus ... [more] RCS2016-310
pp.127-132
RCS 2016-10-21
13:05
Kanagawa YRP (Yokosuka) [Invited Lecture] DL MU-MIMO Field Trial with 5G Low SHF band Massive MIMO Antenna
Yasushi Maruta, Kenichiro Yamazaki, Toshifimi Sato, Naoto Ishii (NEC) RCS2016-184
 [more] RCS2016-184
pp.173-177
NS, RCS
(Joint)
2015-12-17
13:00
Ehime Matsuyama Community Center [Invited Lecture] 5G R&D Activities for High Data Rate and Low-Power-Consumption Radio Access Technologies with Higher-Frequency-Band and Wider-Bandwidth Massive MIMO
Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Toshifumi Sato, Yasushi Maruta (NEC), Akihiro Okazaki, Atsushi Okamura (Mitsubishi Electric), Akihiro Otaka, Jun Terada (NTT) NS2015-133 RCS2015-249
In this report, we introduce our 5G R&D activities for “High Data Rate and Low-Power-Consumption Radio Access Technologi... [more] NS2015-133 RCS2015-249
pp.37-42(NS), pp.35-40(RCS)
RCS 2015-10-01
16:15
Kanagawa YRP (Yokosuka) [Invited Lecture] Activities on High Capacity 5G Wireless Access
Yasushi Maruta, Toshifumi Sato, Yoshikazu Kakura (NEC) RCS2015-173
With rapid increase of data traffic of broadband mobile service and diversity of mobile services, capacity enhancement w... [more] RCS2015-173
pp.89-94
RCC, ASN, RCS, NS, SR
(Joint)
2015-07-30
13:00
Nagano JA Naganoken Bldg. [Invited Talk] Research and Development of Small Cell Base Station for 5G Network
Naoto Ishii, Yi Jiang, Yasushi Maruta, Kazuaki Kunihiro, Masao Ikekawa (NEC) RCC2015-36 NS2015-56 RCS2015-119 SR2015-37 ASN2015-46
Much attention from industry and academia in the move from current cellular systems toward 5G are attractive since recen... [more] RCC2015-36 NS2015-56 RCS2015-119 SR2015-37 ASN2015-46
pp.105-110(RCC), pp.109-114(NS), pp.107-112(RCS), pp.123-128(SR), pp.145-150(ASN)
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