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| Presentation | 2022-08-25 12:05 A study on user-driven suboptimal joint transmit-receive diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.)  RCS2022-102 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In user-driven suboptimal joint transmit-receive diversity (JTRD), firstly the user equipment (UE) determines its diversity weight vector and then, the base station (BS) determines its diversity weight vector so as to maximize the resulting composite channel gain for the given UE diversity weight vector. While, the optimal JTRD jointly optimizes the diversity weight vectors at BS and UE by solving the eigen-equations composed of the correlation matrix of multi-input multi-output channel (MIMO channel). In principle, the user-driven suboptimal JTRD provides lower composite channel gain than the optimal JTRD. In this paper, the link capacity achievable with the user-driven suboptimal JTRD in a strong asymmetric MIMO fading channel, where the number of BS antennas is much larger than that of UE antennas, is numerically evaluated. It is shown that, in user-driven suboptimal JTRD, the selection diversity provides slightly higher link capacity than maximal-ratio diversity and that the link capacity gap between the user-driven suboptimal JTRD and the optimal JTRD becomes quite small. The selection diversity requires lower hardware and signal processing complexity than maximal-ratio diversity and thus, user-driven suboptimal JTRD with selection diversity can be considered practical. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Joint transmit-receive diversity / selection diversity / maximal-ratio diversity / MIMO fading channel / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 164, RCS2022-102, pp. 30-35, Aug. 2022. | |
| Paper # | RCS2022-102 | |
| Date of Issue | 2022-08-18 (RCS) | |
| ISSN | 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 | RCS2022-102 |
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| Conference Information | |
| Committee | SAT RCS |
| Conference Date | 2022-08-25 - 2022-08-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2022-08-SAT-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on user-driven suboptimal joint transmit-receive diversity |
| Sub Title (in English) | |
| Keyword(1) | Joint transmit-receive diversity |
| Keyword(2) | selection diversity |
| Keyword(3) | maximal-ratio diversity |
| Keyword(4) | MIMO fading channel |
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| 1st Author's Name | Fumiyuki Adachi |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Ryo Takahashi |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-08-25 12:05:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2022-102 |
| Volume (vol) | vol.122 |
| Number (no) | no.164 |
| Page | pp.30-35 |
| #Pages | 6 |
| Date of Issue | 2022-08-18 (RCS) |
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