| Presentation | 2017-06-22 A Study on Placements of Distributed Antenna Arrays in an Indoor Multi-User Massive MIMO System Yuya Suzuki, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In the 5th generation mobile communication system (5G), in order to realize high-speed and large capacity transmission, a large-scale multiple-input multiple-output (MIMO) system using several tens or even hundreds of base station antenna elements is under consideration. Recently, for the large scale MIMO systems, a distributed antenna system where a base station antenna array is divided into some subarrays and the subarrays are distributedly located is being studied. In this paper, we consider indoor environments and evaluate the SINR characteristics for different placements of subarrays and element arrangements of subarrays. The channel state information was obtained by the ray tracing method. We also evaluate the difference in SINR characteristics when changing a user density and the number of users. As a result, it will be concluded that the proposed method is especially effective when the degrees of freedom of array is not sufficient and users are densely located. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | 5G / Massive MIMO / Ray-tracing / Indoor environment / Distributed antenna / Subarray / Array configuration / User density |
| Paper # | RCS2017-71 |
| Date of Issue | 2017-06-14 (RCS) |
| Conference Information | |
| Committee | RCS |
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| Conference Date | 2017/6/21(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Ishigaki Shoukou Kaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Chair | Tomoaki Otsuki(Keio Univ.) |
| Vice Chair | Eisuke Fukuda(Fujitsu Labs.) / Satoshi Suyama(NTT DoCoMo) / Fumiaki Maehara(Waseda Univ.) |
| Secretary | Eisuke Fukuda(Hokkaido Univ.) / Satoshi Suyama(NTT) / Fumiaki Maehara |
| Assistant | Kazushi Muraoka(NTT DOCOMO) / Shinsuke Ibi(Osaka Univ.) / Hiroshi Nishimoto(Mitsubishi Electric) / Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) |
| Paper Information | |
| Registration To | Technical Committee on Radio Communication Systems |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Placements of Distributed Antenna Arrays in an Indoor Multi-User Massive MIMO System |
| Sub Title (in English) | |
| Keyword(1) | 5G |
| Keyword(2) | Massive MIMO |
| Keyword(3) | Ray-tracing |
| Keyword(4) | Indoor environment |
| Keyword(5) | Distributed antenna |
| Keyword(6) | Subarray |
| Keyword(7) | Array configuration |
| Keyword(8) | User density |
| 1st Author's Name | Yuya Suzuki |
| 1st Author's Affiliation | Hokkaido University(Hokkaido Univ.) |
| 2nd Author's Name | Toshihiko Nishimura |
| 2nd Author's Affiliation | Hokkaido University(Hokkaido Univ.) |
| 3rd Author's Name | Takeo Ohgane |
| 3rd Author's Affiliation | Hokkaido University(Hokkaido Univ.) |
| 4th Author's Name | Yasutaka Ogawa |
| 4th Author's Affiliation | Hokkaido University(Hokkaido Univ.) |
| Date | 2017-06-22 |
| Paper # | RCS2017-71 |
| Volume (vol) | vol.117 |
| Number (no) | RCS-103 |
| Page | pp.pp.127-132(RCS), |
| #Pages | 6 |
| Date of Issue | 2017-06-14 (RCS) |