| Presentation | 2017-12-15 Broadcast Assist for Improvement on the Number of the Accommodated Nodes in V2X-based Crash Warning Application Takeshi Hirai, Tutomu Murase, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In V2X-DSRC based Crash Warning Application (CWA), to prevent congestion of information frames of CWA-information frames increases the number of accommodated nodes (vehicles and pedestrians). The number is the maximum number of the nodes to meet the CWA requirements, a specific number of received frames. Higher speed nodes is likely to receive smaller number of frames at a certain time before a potential crash. To compensate the number, relay method for CWA-information frames was a promising way to increase the number of frames. Because of producing frame congestion by redundant relay frames, conventional relay methods looks difficult to be applied to CWA application which uses broadcast communications. This paper proposes Broadcast Assist method. The proposed method can suppress the redundant relay frames by two novel ideas. First idea is to estimate the number of necessary additional frames by considering the capture effect. Second idea is to probabilistically relay a frame without excessive or insufficient amount and with suitable to an autonomous decentralized manner of CWA. Simulation results show the proposed method could accommodate 74% more nodes than that of flooding method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | V2X / IEEE802.11p / DSRC / crash warning / relay / broadcast |
| Paper # | WBS2017-68,ITS2017-45,RCC2017-84 |
| Date of Issue | 2017-12-07 (WBS, ITS, RCC) |
| Conference Information | |
| Committee | ITS / WBS / RCC |
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| Conference Date | 2017/12/14(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tiruru/Okinawa Jichikaikan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | ITS Communications, Reliable Communication and Control, Rader and Sensing, etc. |
| Chair | Takayoshi Yokota(Tottori Univ.) / Fumiaki Maehara(Waseda Univ.) / Shinsuke Hara(Osaka City Univ.) |
| Vice Chair | Masahiro Fujii(Utsunomiya Univ.) / Tomotaka Wada(Kansai Univ.) / Masanori Hamamura(Kochi Univ. of Tech.) / Fumie Ono(NICT) / Kazunori Hayashi(Osaka City Univ.) / Ryu Miura(NICT) |
| Secretary | Masahiro Fujii(Meiji Univ.) / Tomotaka Wada(Saitama Univ.) / Masanori Hamamura(Mitsubishi Electric) / Fumie Ono(Ibaraki Univ.) / Kazunori Hayashi(Kagawa Univ.) / Ryu Miura(Hokkaido Univ.) |
| Assistant | Msataka Imao(ME) / Yanlei Gu(Univ. of Tokyo) / Kenshi Saho(Toyama Prefectural Univ.) / Kouichiro Hashiura(Akita Prefectural Univ.) / Akira Nakamura(Tokyo Univ. of Science) / Ryohei Nakamura(National Defense Academy) / Toshinori Kagawa(NICT) / Kentaro Kobayashi(Nagoya Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Intelligent Transport Systems Technology / Technical Committee on Wideband System / Technical Committee on Reliable Communication and Control |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Broadcast Assist for Improvement on the Number of the Accommodated Nodes in V2X-based Crash Warning Application |
| Sub Title (in English) | |
| Keyword(1) | V2X |
| Keyword(2) | IEEE802.11p |
| Keyword(3) | DSRC |
| Keyword(4) | crash warning |
| Keyword(5) | relay |
| Keyword(6) | broadcast |
| 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 | 2017-12-15 |
| Paper # | WBS2017-68,ITS2017-45,RCC2017-84 |
| Volume (vol) | vol.117 |
| Number (no) | WBS-346,ITS-347,RCC-348 |
| Page | pp.pp.185-190(WBS), pp.185-190(ITS), pp.185-190(RCC), |
| #Pages | 6 |
| Date of Issue | 2017-12-07 (WBS, ITS, RCC) |