| Presentation | 2017-01-20 Circular QAM Constellations with Robustness for Time-Varying Phase Noise Bin Zheng, Lianjun Deng, Mamoru Sawahashi, Norifumi Kamiya, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | QAM / circular constellation / partial LDPC coding / double Gray mapping / phase noise |
| Paper # | IT2016-82,SIP2016-120,RCS2016-272 |
| Date of Issue | 2017-01-12 (IT, SIP, RCS) |
| Conference Information | |
| Committee | IT / SIP / RCS |
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| Conference Date | 2017/1/19(2days) |
| 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. |
| Chair | Masayoshi Ohashi(Fukuoka Univ.) / Makoto Nakashizuka(Chiba Inst. of Tech.) / Hidekazu Murata(Kyoto Univ.) |
| Vice Chair | Jun Muramatsu(NTT) / Masahiro Okuda(Univ. of Kitakyushu) / Shogo Muramatsu(Niigata Univ.) / Satoshi Denno(Okayama Univ.) / Yukitoshi Sanada(Keio Univ.) / Eisuke Fukuda(Fujitsu Labs.) |
| Secretary | Jun Muramatsu(Wakayama Univ.) / Masahiro Okuda(Yokohama College of Commerce) / Shogo Muramatsu(Ritsumeikan Univ.) / Satoshi Denno(Chiba Inst. of Tech.) / Yukitoshi Sanada(Toshiba) / Eisuke Fukuda(NTT DoCoMo) |
| Assistant | Mitsugu Iwamoto(Univ. of Electro-Comm.) / Osamu Watanabe(Takushoku Univ.) / Tetsuya Yamamoto(Panasonic) / Toshihiko Nishimura(Hokkaido Univ.) / Koichi Ishihara(NTT) / Kazushi Muraoka(NEC) / Shinsuke Ibi(Osaka Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Information Theory / Technical Committee on Signal Processing / Technical Committee on Radio Communication Systems |
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| Language | JPN |
| 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 |
| 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) |
| Date | 2017-01-20 |
| Paper # | IT2016-82,SIP2016-120,RCS2016-272 |
| Volume (vol) | vol.116 |
| Number (no) | IT-394,SIP-395,RCS-396 |
| Page | pp.pp.211-216(IT), pp.211-216(SIP), pp.211-216(RCS), |
| #Pages | 6 |
| Date of Issue | 2017-01-12 (IT, SIP, RCS) |