| Presentation | 2015-11-04 16-QAM Signal Detection Using Belief Propagation in a Massive MIMO System Tomoya Usami, 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) | With the rapid traffic growth, a massive multiple-input multiple-output (MIMO) system with an order of 100 elements has been discussed recently. A further enhancement, i.e., increasing the number of both transmit and receive antennas will be the next step. It requires the complexity proportional to at least the cube power of the number of antenna elements to detect spatially-multiplexed signals in general. However, the belief propagation (BP)-based detector is implementable with lower complexity, i.e., the order of square of the number of elements, and achieves very good BER performance in a QPSK modulated massive MIMO system. Previously, we tried to apply the BP-based approach to a 16-QAM modulated system with an ideal assumption on a calculation of the residual interference power and have shown that the performance of BP-based detection can be improved by node selection which updates the error tolerant bit node rst. In this paper, we consider three practical ways to calculate the residual interference power and have con rmed that a satisfactory performance is obtained in such a realistic condition. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | MIMO / Spatial Multiplexing / Belief Propagation / Multi-level QAM / Node Selection |
| Paper # | RCS2015-197 |
| Date of Issue | 2015-10-28 (RCS) |
| Conference Information | |
| Committee | AP / RCS / WPT / SAT |
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| Conference Date | 2015/11/4(3days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Prefectural Museum & Art Museum |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antenna and Propagation, Radio Communication, Satelite Communication, Wireless Power Transfer |
| Chair | Keizo Cho(Chiba Inst. of Tech.) / Makoto Taromaru(Fukuoka Univ.) / Naoki Shinohara(Kyoto Univ.) / Morio Toyoshima(NICT) |
| Vice Chair | Hisato Iwai(Doshisha Univ.) / Hidekazu Murata(Kyoto Univ.) / Satoshi Denno(Okayama Univ.) / Yukitoshi Sanada(Keio Univ.) / / Takatoshi Sugiyama(Kogakuin Univ.) / Toshinori Susuki(Tohoku Gakuin Univ.) |
| Secretary | Hisato Iwai(KDDI R&D Labs.) / Hidekazu Murata(Niigata Univ.) / Satoshi Denno(Mitsubishi Electric) / Yukitoshi Sanada(NTT DoCoMo) / (Kagoshima Univ.) / Takatoshi Sugiyama(Toyohashi Univ. of Tech.) / Toshinori Susuki(NICT) |
| Assistant | Yuichi Kimura(Saitama Univ.) / Jun Mashino(NTT) / Tetsuya Yamamoto(Panasonic) / Takamichi Inoue(NEC) / Tomoya Tandai(Toshiba) / Toshihiko Nishimura(Hokkaido Univ.) / Takashi Hikagae(Hokkaido Univ.) / Tsunayuki Yamamoto(Yamaguchi Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Antennas and Propagation / Technical Committee on Radio Communication Systems / Technical Committee on Wireless Power Transfer / Technical Committee on Satellite Telecommunications |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | 16-QAM Signal Detection Using Belief Propagation in a Massive MIMO System |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | Spatial Multiplexing |
| Keyword(3) | Belief Propagation |
| Keyword(4) | Multi-level QAM |
| Keyword(5) | Node Selection |
| 1st Author's Name | Tomoya Usami |
| 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 | 2015-11-04 |
| Paper # | RCS2015-197 |
| Volume (vol) | vol.115 |
| Number (no) | RCS-288 |
| Page | pp.pp.43-48(RCS), |
| #Pages | 6 |
| Date of Issue | 2015-10-28 (RCS) |