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| Presentation | 2018-05-31 16:40 [Invited Talk] Blind Interference Suppression on Adaptive Arrays: Comparisons and Applications for Spectrum Sharing Kazuki Maruta (Chiba Univ.), Kentaro Nishimori (Niigata Univ.), Chang-Jun Ahn (Chiba Univ.)  CQ2018-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents performance comparison of interference suppression on blind adaptive array algorithms. Co-channel interference becomes more extensive due to frequency resource exhaustion and small cell deployment which had been triggered by mobile traffic explosion. Multi-antenna signal processing is an effective means for such co-channel interference suppression. Strict approach is to utilize a priori information of channel state by estimating it via known training sequences. It gratuitously consumes radio resource and thus overhead inflates according to the increase of interference source to be suppressed. In addition, training sequence cannot be shared between wireless communication systems employing different transmission schemes. Here we focus on blind adaptive array where any channel estimation is not required. A number of blind algorithms have been proposed and they have various characteristics. Algorithms of interest are based on constant modulus (CM) and independent component analysis (ICA) criteria. We present fundamental observation of their interference suppression performance compared in terms of modulation order, number of interference sources, and degree of freedom, then derive the most stable approach using ICA incorporated with beamspace pre-processing. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Adaptive array / Blind algorithm / Interference suppression / Constant modulus / Independent component analysis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 71, CQ2018-22, pp. 25-30, May 2018. | |
| Paper # | CQ2018-22 | |
| Date of Issue | 2018-05-24 (CQ) | |
| 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 | CQ2018-22 |
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| Conference Information | |
| Committee | CQ |
| Conference Date | 2018-05-31 - 2018-06-01 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Chiba Univ. Nishi-Chiba Campus, academic link center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Efficiency of Wireless Communications, Wireless Communication Quality, MIMO/Diversity/Multiplexing Techniques, Radio Resource Management, Cross-Layer Techniques, etc. |
| Paper Information | |
| Registration To | CQ |
| Conference Code | 2018-05-CQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Blind Interference Suppression on Adaptive Arrays: Comparisons and Applications for Spectrum Sharing |
| Sub Title (in English) | |
| Keyword(1) | Adaptive array |
| Keyword(2) | Blind algorithm |
| Keyword(3) | Interference suppression |
| Keyword(4) | Constant modulus |
| Keyword(5) | Independent component analysis |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kazuki Maruta |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Kentaro Nishimori |
| 2nd Author's Affiliation | Niigata University (Niigata Univ.) |
| 3rd Author's Name | Chang-Jun Ahn |
| 3rd Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | 1 |
| Date Time | 2018-05-31 16:40:00 |
| Presentation Time | 40 |
| Registration for | CQ |
| Paper # | IEICE-CQ2018-22 |
| Volume (vol) | IEICE-118 |
| Number (no) | no.71 |
| Page | pp.25-30 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-CQ-2018-05-24 |
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