| Presentation | 2022-01-20 A study on Complexity Reduction and Performance Improvement of Polar Coded Chaos Modulation Utilizing Multi-purpose Frozen Bits Keisuke Asano, Mamoru Okumura, Takumi Abe, Eiji Okamoto, Tetsuya Yamamoto, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In recent years, fifth-generation mobile communications system (5G) has been deployed, and the communications of confidential information in 5G are increasing. Thus, it is important to enhance the 5G network security. As one of the solutions, physical layer security (PLS) is currently attracting attention. We have proposed a PLS system that can achieve high quality transmission and improved security including modulated signals by applying polar codes to chaos modulation. However, because maximum likelihood sequence estimation (MLSE) is required in the chaos demodulation, the conventional method suffers from an increase in the amount of computation and the degradation of characteristics under poor channels. To tackle this problem, in this paper, we propose a new polar-code transmission method that reduces the number of candidates of MLSE by making a part of codeword known at the receiver using frozen bits. By improving the estimation accuracy of MLSE, we show that proposed method improves the performance compared to the conventional method by 1.2 dB at block error rate of {10}^{-5} with a code length of 512, and that the complexity of demodulation can be reduced to about 1/4. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | 5G / physical layer security / chaos modulation / polar codes / frozen bits |
| Paper # | IT2021-29,SIP2021-37,RCS2021-197 |
| Date of Issue | 2022-01-13 (IT, SIP, RCS) |
| Conference Information | |
| Committee | RCS / SIP / IT |
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| Conference Date | 2022/1/20(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Eiji Okamoto(Nagoya Inst. of Tech.) / Yukihiro Bandou(NTT) / Tadashi Wadayama(Nagoya Inst. of Tech.) |
| Vice Chair | Toshihiko Nishimura(Hokkaido Univ.) / Tomoya Tandai(Toshiba) / Fumihide Kojima(NICT) / Toshihisa Tanaka(Tokyo Univ. Agri.&Tech.) / Takayuki Nakachi(Ryukyu Univ.) / Tetsuya Kojima(Tokyo Kosen) |
| Secretary | Toshihiko Nishimura(NEC) / Tomoya Tandai(Panasonic) / Fumihide Kojima(Xiaomi) / Toshihisa Tanaka(Takushoku Univ.) / Takayuki Nakachi(Tokyo Univ. Agri.&Tech.) / Tetsuya Kojima(Saitamai Univ.) |
| Assistant | Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) / Manabu Sakai(Mitsubishi Electric) / Masashi Iwabuchi(NTT) / Tatsuki Okuyama(NTT DOCOMO) / Taichi Yoshida(UEC) / Seisuke Kyochi(Univ. of Kitakyushu) / Masanori Hirotomo(Saga Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Radio Communication Systems / Technical Committee on Signal Processing / Technical Committee on Information Theory |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on Complexity Reduction and Performance Improvement of Polar Coded Chaos Modulation Utilizing Multi-purpose Frozen Bits |
| Sub Title (in English) | |
| Keyword(1) | 5G |
| Keyword(2) | physical layer security |
| Keyword(3) | chaos modulation |
| Keyword(4) | polar codes |
| Keyword(5) | frozen bits |
| 1st Author's Name | Keisuke Asano |
| 1st Author's Affiliation | Nagoya Institute of Technology(NIT) |
| 2nd Author's Name | Mamoru Okumura |
| 2nd Author's Affiliation | Nagoya Institute of Technology(NIT) |
| 3rd Author's Name | Takumi Abe |
| 3rd Author's Affiliation | Nagoya Institute of Technology(NIT) |
| 4th Author's Name | Eiji Okamoto |
| 4th Author's Affiliation | Nagoya Institute of Technology(NIT) |
| 5th Author's Name | Tetsuya Yamamoto |
| 5th Author's Affiliation | Panasonic(Panasonic) |
| Date | 2022-01-20 |
| Paper # | IT2021-29,SIP2021-37,RCS2021-197 |
| Volume (vol) | vol.121 |
| Number (no) | IT-327,SIP-328,RCS-329 |
| Page | pp.pp.7-12(IT), pp.7-12(SIP), pp.7-12(RCS), |
| #Pages | 6 |
| Date of Issue | 2022-01-13 (IT, SIP, RCS) |