Presentation 2019-03-06
An Experimental Study of MmWave Access Points Allocation Patterns inside the Passenger Car of a High Speed Train
Yoshio Kunisawa, Akira Yamaguchi, Feng Lu, Kazunori Takeuchi, Hiroyuki Shinbo,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) This paper reports the investigation results of MmWave Access Points (MAPs) deployment method in order to provide exceeding 1 Gbps link throughput to the passengers sitting in the passenger car of a high speed train. In the case of mmWave, attention should be paid to the propagation characteristics of mmWave band as well as the condition changes inside the passenger car (such as the static allocation of passenger seats and the type of passenger car, and the dynamic change of the luggage on the luggage rack.), therefore MAPs allocation methods that are different to that of the traditional Wi-Fi should be considered. Up till now we have carried out Raytracing simulation for various MAPs allocation patterns and a variety of passenger usage scenarios. And we have carried out experiments using WiGig APs in a real vehicle taking consideration of the occupancy rate of passengers and allocation of luggage for two types of MAPs allocation patterns that can provide relatively higher link throughput according the results of the Ray-tracing simulation. The experiment results confirm that the MAPs allocation pattern with the MAPs attached to the ceiling at the center of the vehicular width along the aisle is possible to achieve Gbps level link throughput at almost all seats regardless of the posture of the passengers and luggage distribution. We also discussed the difference of link throughput between the Ray-tracing simulation and the experimental results in order to make efficient use of the MAPs allocation methods.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) mmWave / WiGig / High speed train / propagation
Paper # SR2018-123
Date of Issue 2019-02-27 (SR)

Conference Information
Committee RCS / SR / SRW
Conference Date 2019/3/6(3days)
Place (in Japanese) (See Japanese page)
Place (in English) YRP
Topics (in Japanese) (See Japanese page)
Topics (in English) Mobile Communication Workshop
Chair Tomoaki Otsuki(Keio Univ.) / Kenta Umebayashi(Tokyo Univ. of Agric. and Tech.) / Tadao Nakagawa(Tottori Univ.)
Vice Chair Eisuke Fukuda(Fujitsu Labs.) / Satoshi Suyama(NTT Docomo) / Fumiaki Maehara(Waseda Univ.) / Masayuki Ariyoshi(NEC) / Suguru Kameda(Tohoku Univ.) / Satoshi Denno(Okayama Univ.) / Makoto Hamaminato(Fujitsu labs.)
Secretary Eisuke Fukuda(Hokkaido Univ.) / Satoshi Suyama(NTT) / Fumiaki Maehara(NICT) / Masayuki Ariyoshi(ATR) / Suguru Kameda(Univ. of Electro-Comm.) / Satoshi Denno(Kyoto Univ.) / Makoto Hamaminato(Tokyo Inst. of Tech.)
Assistant Kazushi Muraoka(NTT Docomo) / Shinsuke Ibi(Osaka Univ.) / Hiroshi Nishimoto(Mitsubishi Electric) / Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) / Gia Khanh Tran(Tokyo Inst. of Tech.) / Syusuke Narieda(Mie Univ.) / Koji Ohshima(Kozo Keikaku Engineering) / Mai Ohta(Fukuoka Univ.) / Teppei Oyama(Fujitsu Lab.) / Hiromasa Yamauchi(Fujitsu labs.) / Hanako Noda(Anritsu)

Paper Information
Registration To Technical Committee on Radio Communication Systems / Technical Committee on Smart Radio / Technical Committee on Short Range Wireless Communications
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An Experimental Study of MmWave Access Points Allocation Patterns inside the Passenger Car of a High Speed Train
Sub Title (in English)
Keyword(1) mmWave
Keyword(2) WiGig
Keyword(3) High speed train
Keyword(4) propagation
Keyword(5)
1st Author's Name Yoshio Kunisawa
1st Author's Affiliation KDDI Research, Inc.(KDDI Research, Inc.)
2nd Author's Name Akira Yamaguchi
2nd Author's Affiliation KDDI Research, Inc.(KDDI Research, Inc.)
3rd Author's Name Feng Lu
3rd Author's Affiliation KDDI Research, Inc.(KDDI Research, Inc.)
4th Author's Name Kazunori Takeuchi
4th Author's Affiliation KDDI Research, Inc.(KDDI Research, Inc.)
5th Author's Name Hiroyuki Shinbo
5th Author's Affiliation KDDI Research, Inc.(KDDI Research, Inc.)
Date 2019-03-06
Paper # SR2018-123
Volume (vol) vol.118
Number (no) SR-475
Page pp.pp.17-22(SR),
#Pages 6
Date of Issue 2019-02-27 (SR)