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| Presentation | 2017-01-20 10:00 Circular QAM Constellations with Robustness for Time-Varying Phase Noise Bin Zheng, Lianjun Deng, Mamoru Sawahashi (Tokyo City Univ.), Norifumi Kamiya (NEC)  IT2016-82 SIP2016-120 RCS2016-272 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes Circular Quadrature Amplitude Modulation (QAM) constellation which achieves almost identical bit error rate (BER) performance level to that of Rectangular QAM in additive white Gaussian noise (AWGN) channel, while it achieves better BER performance compared to Rectangular QAM in the AWGN channel with time-varying phase noise. Computer simulation results show when using partial Low-Density Parity-Check (LDPC) code associated with collaborative decoding, the proposed Circular 1024QAM constellation improves the required received signal-to-noise power ratio (SNR) at the BER of 10-6 by approximately 0.2 – 0.5 dB compared to Rectangular 1024QAM in the AWGN channel with time-varying phase noise. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | QAM / circular constellation / partial LDPC coding / double Gray mapping / phase noise / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 396, RCS2016-272, pp. 211-216, Jan. 2017. | |
| Paper # | RCS2016-272 | |
| Date of Issue | 2017-01-12 (IT, SIP, 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 | IT2016-82 SIP2016-120 RCS2016-272 |
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| Conference Information | |
| Committee | IT SIP RCS |
| Conference Date | 2017-01-19 - 2017-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka City Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing for Wireless Communications, Learning, Mathematical Science, Communication Theory, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2017-01-IT-SIP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Circular QAM Constellations with Robustness for Time-Varying Phase Noise |
| Sub Title (in English) | |
| Keyword(1) | QAM |
| Keyword(2) | circular constellation |
| Keyword(3) | partial LDPC coding |
| Keyword(4) | double Gray mapping |
| Keyword(5) | phase noise |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Bin Zheng |
| 1st Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
| 2nd Author's Name | Lianjun Deng |
| 2nd Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
| 3rd Author's Name | Mamoru Sawahashi |
| 3rd Author's Affiliation | Tokyo City University (Tokyo City Univ.) |
| 4th Author's Name | Norifumi Kamiya |
| 4th Author's Affiliation | NEC Corporation (NEC) |
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| Speaker | Author-1 |
| Date Time | 2017-01-20 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | IT2016-82, SIP2016-120, RCS2016-272 |
| Volume (vol) | vol.116 |
| Number (no) | no.394(IT), no.395(SIP), no.396(RCS) |
| Page | pp.211-216 |
| #Pages | 6 |
| Date of Issue | 2017-01-12 (IT, SIP, RCS) |
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