| Presentation | 2020-07-21 Study on Construction of Generalized Modified Prime Sequence Codes Tomoko K. Matsushima, Shoichiro Yamasaki, Kyohei Ono, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper proposes a concept of chip-pair codes for synchronous optical code-division multiple access (CDMA) and shows a construction method of these codes. The chip-pair codes can be obtained from generalized modified prime sequence codes (GMPSCs) based on any extension fields GF($q$) where $q = p^m$, $p$ is a prime number and $m$ is a positive integer. It has been reported that optical CDMA systems using GMPSCs remove not only multi-user interference (MUI) but also optical interference (e.g. background light) whose intensity is constant during a slot of length $q^2$. Recently, the authors have reported that optical CDMA systems using GMPSCs remove optical interference whose intensity varies by block with a length $q$ chips. Present paper shows that optical CDMA systems using the proposed chip-pair codes remove optical interference whose intensity varies by shorter block with a length of $p$ chips, together with MUI, using the conventional decoder. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | optical CDMA / generalized modified prime sequence code / chip-pair code / optical interference / background light |
| Paper # | WBS2020-2,MICT2020-1 |
| Date of Issue | 2020-07-14 (WBS, MICT) |
| Conference Information | |
| Committee | MICT / WBS |
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| Conference Date | 2020/7/21(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wideband System, Healthcare and Medical Information Communication Technologies, etc. |
| Chair | Eisuke Hanada(Saga Univ.) / Masanori Hamamura(Kochi Univ. of Tech.) |
| Vice Chair | Hirokazu Tanaka(Hiroshima City Univ.) / Daisuke Anzai(Nagoya Inst. of Tech.) / Takashi Shono(INTEL) / Masahiro Fujii(Utsunomiya Univ.) |
| Secretary | Hirokazu Tanaka(Kobe Univ.) / Daisuke Anzai(Yokohama National Univ.) / Takashi Shono(Okayama Univ. of Science) / Masahiro Fujii(National Defence Academy) |
| Assistant | Keita Saku(Kyushu Univ.) / Kai Ishida(KISTEC) / Kento Takabayashi(Okayama Pref. Univ.) / Duong Quang Thang(NAIST) / Masafumi Moriyama(NICT) / Masayuki Kinoshita(Chiba Univ. of Tech.) |
| Paper Information | |
| Registration To | Technical Committee on Healthcare and Medical Information Communication Technology / Technical Committee on Wideband System |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Construction of Generalized Modified Prime Sequence Codes |
| Sub Title (in English) | Proposal and Applications of Chip-Pair Codes |
| Keyword(1) | optical CDMA |
| Keyword(2) | generalized modified prime sequence code |
| Keyword(3) | chip-pair code |
| Keyword(4) | optical interference |
| Keyword(5) | background light |
| 1st Author's Name | Tomoko K. Matsushima |
| 1st Author's Affiliation | Polytechnic University(Polytechnic Univ.) |
| 2nd Author's Name | Shoichiro Yamasaki |
| 2nd Author's Affiliation | Polytechnic University(Polytechnic Univ.) |
| 3rd Author's Name | Kyohei Ono |
| 3rd Author's Affiliation | Polytechnic University(Polytechnic Univ.) |
| Date | 2020-07-21 |
| Paper # | WBS2020-2,MICT2020-1 |
| Volume (vol) | vol.120 |
| Number (no) | WBS-119,MICT-120 |
| Page | pp.pp.1-6(WBS), pp.1-6(MICT), |
| #Pages | 6 |
| Date of Issue | 2020-07-14 (WBS, MICT) |