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| Presentation | 2015-11-04 11:50 16-QAM Signal Detection Using Belief Propagation in a Massive MIMO System Tomoya Usami, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.)  RCS2015-197 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (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) |
| (in English) | MIMO / Spatial Multiplexing / Belief Propagation / Multi-level QAM / Node Selection / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 288, RCS2015-197, pp. 43-48, Nov. 2015. | |
| Paper # | RCS2015-197 | |
| Date of Issue | 2015-10-28 (RCS) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | RCS2015-197 |
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| Conference Information | |
| Committee | AP RCS WPT SAT |
| Conference Date | 2015-11-04 - 2015-11-06 |
| 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 |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2015-11-AP-RCS-WPT-SAT |
| Language | Japanese |
| 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 |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 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.) |
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| Speaker | Author-1 |
| Date Time | 2015-11-04 11:50:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2015-197 |
| Volume (vol) | vol.115 |
| Number (no) | no.288 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2015-10-28 (RCS) |
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