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| Presentation | 2018-03-01 09:00 Improving Semi-Blind Interference Suppression Performance on Multicell Massive MIMO Uplink by Beamspace Method Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.)  RCS2017-346 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper improves our previously proposed semi-blind uplink interference suppression scheme for multicell multiuser massive MIMO systems by employing beamspace approach. Constant modulus algorithm (CMA) known as a blind adaptive array scheme can fully exploit degree of freedom (DoF) of massive antenna array to suppress inter-user interference (IUI) and inter-cell interference (ICI). Meanwhile, it excessively consumes DoF when the number of incoming signal is fewer than that of receiving antenna elements. We introduce beamspace method which converts the number of array input from the antenna-space to the beamspace and controls DoF expended for semi-blind interference suppression. It can optimize the array gain and interference suppression ability and resultant output signal-to-interference and noise power ratio (SINR) can be improved. Computer simulation reveals the improved SINR and outage probability performances. It can also contribute to reduce the required number of data symbols. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Massive MIMO / Multicell / Adaptive array / Constant modulus algorithm / Pilot contamination / Channel estimation / Decision feedback / Beamspace | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 456, RCS2017-346, pp. 167-172, Feb. 2018. | |
| Paper # | RCS2017-346 | |
| Date of Issue | 2018-02-21 (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 | RCS2017-346 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2018-02-28 - 2018-03-02 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2018-02-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improving Semi-Blind Interference Suppression Performance on Multicell Massive MIMO Uplink by Beamspace Method |
| Sub Title (in English) | |
| Keyword(1) | Massive MIMO |
| Keyword(2) | Multicell |
| Keyword(3) | Adaptive array |
| Keyword(4) | Constant modulus algorithm |
| Keyword(5) | Pilot contamination |
| Keyword(6) | Channel estimation |
| Keyword(7) | Decision feedback |
| Keyword(8) | Beamspace |
| 1st Author's Name | Kazuki Maruta |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Chang-Jun Ahn |
| 2nd Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2018-03-01 09:00:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2017-346 |
| Volume (vol) | vol.117 |
| Number (no) | no.456 |
| Page | pp.167-172 |
| #Pages | 6 |
| Date of Issue | 2018-02-21 (RCS) |
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