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| Presentation | 2012-10-19 16:20 Impact of spatial filtering weight on performance of multiuser MIMO transmission with vector perturbation Kazuto Yano, Satoshi Sonobe, Yafei Hou, Satoshi Tsukamoto, Masahiro Uno, Kiyoshi Kobayashi (ATR)  RCS2012-158 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper evaluates the performance of $8\times8$ downlink multiuser MIMO-OFDM transmission based on vector perturbation (VP) precoding which employs zero-forcing (ZF) or MMSE spatial filtering. Through computer simulations assuming a frame format similar to 3GPP Release 10 downlink and WINNER II A1 LOS channel, it is shown that MMSE-based VP can reduce the norm of the transmission signal vector compared with ZF-based VP, and thus it can achieve higher average sum-rate if the modulo boundary size for demodulation is set properly. It is also confirmed that the modulo boundary size must be set by taking account for the amount of inter-stream interference. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | multiuser MIMO / nonlinear precoding / vector perturbation / MMSE / zero-forcing / indoor propagation channel / OFDM / downlink transmission | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 239, RCS2012-158, pp. 189-194, Oct. 2012. | |
| Paper # | RCS2012-158 | |
| Date of Issue | 2012-10-10 (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 | RCS2012-158 |
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| Conference Information | |
| Committee | SR AN USN RCS |
| Conference Date | 2012-10-17 - 2012-10-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Fukuoka univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | wireless distributed network, general topics |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2012-10-SR-AN-USN-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Impact of spatial filtering weight on performance of multiuser MIMO transmission with vector perturbation |
| Sub Title (in English) | |
| Keyword(1) | multiuser MIMO |
| Keyword(2) | nonlinear precoding |
| Keyword(3) | vector perturbation |
| Keyword(4) | MMSE |
| Keyword(5) | zero-forcing |
| Keyword(6) | indoor propagation channel |
| Keyword(7) | OFDM |
| Keyword(8) | downlink transmission |
| 1st Author's Name | Kazuto Yano |
| 1st Author's Affiliation | ATR (ATR) |
| 2nd Author's Name | Satoshi Sonobe |
| 2nd Author's Affiliation | ATR (ATR) |
| 3rd Author's Name | Yafei Hou |
| 3rd Author's Affiliation | ATR (ATR) |
| 4th Author's Name | Satoshi Tsukamoto |
| 4th Author's Affiliation | ATR (ATR) |
| 5th Author's Name | Masahiro Uno |
| 5th Author's Affiliation | ATR (ATR) |
| 6th Author's Name | Kiyoshi Kobayashi |
| 6th Author's Affiliation | ATR (ATR) |
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| Speaker | Author-1 |
| Date Time | 2012-10-19 16:20:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2012-158 |
| Volume (vol) | vol.112 |
| Number (no) | no.239 |
| Page | pp.189-194 |
| #Pages | 6 |
| Date of Issue | 2012-10-10 (RCS) |
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