| Presentation | 2021-03-05 Performance Evaluations of NOMA with Imperfect CSI in Infrastructure-less Cellular V2X in Crash Warning System Takeshi Hirai, Tutomu Murase, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper presents performance evaluations of the non-orthogonal multiple access (NOMA) with imperfect channel state information (CSI) in the infrastructure-less cellular-vehicle-to-everything (C-V2X mode 4) in the crash warning system. NOMA uses the successive interference cancellation (SIC), referring to CSI. However, V2X causes imperfect CSI due to the dynamic mobility, and thus, such imperfect CSI may practically provide worse packet reception reliability of NOMA for V2X, called SPS-NOMA, than perfect CSI. To investigate the impacts of imperfect CSI for SPS-NOMA, we model SIC with a stochastically imperfect CSI. Our simulation results demonstrated that SPS-NOMA achieved 22% better performance than the current mode 4 even in such imperfect CSI. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | PC5-based C-V2X mode 4 / NOMA / SIC / Imperfect CSI / crash warning |
| Paper # | IN2020-78 |
| Date of Issue | 2021-02-25 (IN) |
| Conference Information | |
| Committee | IN / NS |
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| Conference Date | 2021/3/4(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Chair | Kenji Ishida(Hiroshima City Univ.) / Akihiro Nakao(Univ. of Tokyo) |
| Vice Chair | Kunio Hato(Internet Multifeed) / Tetsuya Oishi(NTT) |
| Secretary | Kunio Hato(Hiroshima City Univ.) / Tetsuya Oishi(KDDI Research) |
| Assistant | / Shinya Kawano(NTT) |
| Paper Information | |
| Registration To | Technical Committee on Information Networks / Technical Committee on Network Systems |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluations of NOMA with Imperfect CSI in Infrastructure-less Cellular V2X in Crash Warning System |
| Sub Title (in English) | |
| Keyword(1) | PC5-based C-V2X mode 4 |
| Keyword(2) | NOMA |
| Keyword(3) | SIC |
| Keyword(4) | Imperfect CSI |
| Keyword(5) | crash warning |
| 1st Author's Name | Takeshi Hirai |
| 1st Author's Affiliation | Nagoya University(Nagoya Univ.) |
| 2nd Author's Name | Tutomu Murase |
| 2nd Author's Affiliation | Nagoya University(Nagoya Univ.) |
| Date | 2021-03-05 |
| Paper # | IN2020-78 |
| Volume (vol) | vol.120 |
| Number (no) | IN-414 |
| Page | pp.pp.144-149(IN), |
| #Pages | 6 |
| Date of Issue | 2021-02-25 (IN) |