Presentation 2017-04-25
Performance Evaluation of Digital Beamforming by Indoor and Outdoor Propagation Experimental Results for 5G Massive MIMO in Low SHF Band
Tatsuki Okuyama, Kenichiro Yamazaki, Daisuke Nose, Satoshi Suyama, Jun Mashino, Shohei Yoshioka, Yasushi Maruta, Yukihiko Okumura,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) The fifth-generation (5G) mobile communication systems introduces Massive MIMO for super high bit rate and large system capacity. In low SHF-band, fully digital Massive MIMO which can operate higher accuracy beamforming (BF) can be applied early because of narrower bandwidth in comparison with high SHF-band. Joint processing of digital fixed BF and channel state information (CSI)-based precoding (digital FBCP) is proposed as one of the fully digital methods, and effectiveness of digital FBCP have been shown by computer simulations. In this paper, to apply digital FBCP in actual environments, we try out indoor and outdoor propagation experiments to obtain actual propagation data by using fully digital Massive MIMO. Moreover, this paper shows an effectiveness of digital FBCP on actual environments by computer simulations using actual propagation data.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) 5G / Low SHF band / Digital Beamforming / Indoor and Outdoor Experiments / Propagation data
Paper # RCS2017-25
Date of Issue 2017-04-17 (RCS)

Conference Information
Committee RCS
Conference Date 2017/4/24(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Kotohira Onsen Kotosankaku
Topics (in Japanese) (See Japanese page)
Topics (in English) Radio Access Technologies, etc.
Chair Hidekazu Murata(Kyoto Univ.)
Vice Chair Satoshi Denno(Okayama Univ.) / Yukitoshi Sanada(Keio Univ.) / Eisuke Fukuda(Fujitsu Labs.)
Secretary Satoshi Denno(Toshiba) / Yukitoshi Sanada(NTT DoCoMo) / Eisuke Fukuda
Assistant Tetsuya Yamamoto(Panasonic) / Toshihiko Nishimura(Hokkaido Univ.) / Koichi Ishihara(NTT) / Kazushi Muraoka(NEC) / Shinsuke Ibi(Osaka Univ.)

Paper Information
Registration To Technical Committee on Radio Communication Systems
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Performance Evaluation of Digital Beamforming by Indoor and Outdoor Propagation Experimental Results for 5G Massive MIMO in Low SHF Band
Sub Title (in English)
Keyword(1) 5G
Keyword(2) Low SHF band
Keyword(3) Digital Beamforming
Keyword(4) Indoor and Outdoor Experiments
Keyword(5) Propagation data
1st Author's Name Tatsuki Okuyama
1st Author's Affiliation NTT DOCOMO, INC.(NTT DOCOMO)
2nd Author's Name Kenichiro Yamazaki
2nd Author's Affiliation NEC Corporation(NEC)
3rd Author's Name Daisuke Nose
3rd Author's Affiliation NEC Corporation(NEC)
4th Author's Name Satoshi Suyama
4th Author's Affiliation NTT DOCOMO, INC.(NTT DOCOMO)
5th Author's Name Jun Mashino
5th Author's Affiliation NTT DOCOMO, INC.(NTT DOCOMO)
6th Author's Name Shohei Yoshioka
6th Author's Affiliation NTT DOCOMO, INC.(NTT DOCOMO)
7th Author's Name Yasushi Maruta
7th Author's Affiliation NEC Corporation(NEC)
8th Author's Name Yukihiko Okumura
8th Author's Affiliation NTT DOCOMO, INC.(NTT DOCOMO)
Date 2017-04-25
Paper # RCS2017-25
Volume (vol) vol.117
Number (no) RCS-11
Page pp.pp.131-136(RCS),
#Pages 6
Date of Issue 2017-04-17 (RCS)