| Presentation | 2021-11-05 Millimeter-Wave WBAN Fairness Improvement Method by Back-off Control Using Busy-Time Ratio Tsukasa Chida, Suguru Kameda, Noriharu Suematsu, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Wireless Body Area Network (WBAN) using the millimeter-wave (mmW) band (60-GHz band) is expected to be one of the methods to solve the interference problem between WBANs. In mmW WBAN, the number of users who receive interference varies due to the linearity and attenuation characteristics of mmW. Thus, the fairness of communication opportunities is degraded. In this paper, we propose a Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) based fairness communication opportunity method that uses the contention window (CW) controlled by using busy-time length before intra-WBAN communication. First, inter-WBAN interference in the case of microwaves or millimeter waves was investigated. This investigation showed the unfairness of communication opportunities in the case of mmW is larger than that of microwave. Next, we evaluated the proposed inter-WBAN interference avoidance method. As a result of evaluation of the communication time rate and fairness index by computer simulation, it is shown that the fairness of WBAN communication can be significantly improved with minimized degradation of the communication time rate. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | millimeter-wave / CSMA/CA / inter-WBAN interference / human body blocking |
| Paper # | SR2021-56 |
| Date of Issue | 2021-10-28 (SR) |
| Conference Information | |
| Committee | SR |
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| Conference Date | 2021/11/4(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Software Defined Radio, Cognitive Radio, Spectrum Shareing, etc. |
| Chair | Suguru Kameda(Hiroshima Univ.) |
| Vice Chair | Osamu Takyu(Shinshu Univ.) / Kentaro Ishidu(NICT) / Kazuto Yano(ATR) |
| Secretary | Osamu Takyu(Mie Univ.) / Kentaro Ishidu(Tokai Univ.) / Kazuto Yano(NTT) |
| Assistant | Mai Ohta(Fukuoka Univ.) / Taichi Ohtsuji(NEC) / WANG Xiaoyan(Ibaraki Univ.) / Akemi Tanaka(MathWorks) |
| Paper Information | |
| Registration To | Technical Committee on Smart Radio |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Millimeter-Wave WBAN Fairness Improvement Method by Back-off Control Using Busy-Time Ratio |
| Sub Title (in English) | |
| Keyword(1) | millimeter-wave |
| Keyword(2) | CSMA/CA |
| Keyword(3) | inter-WBAN interference |
| Keyword(4) | human body blocking |
| 1st Author's Name | Tsukasa Chida |
| 1st Author's Affiliation | Tohoku University(Tohoku Univ.) |
| 2nd Author's Name | Suguru Kameda |
| 2nd Author's Affiliation | Hiroshima University(Hiroshima Univ.) |
| 3rd Author's Name | Noriharu Suematsu |
| 3rd Author's Affiliation | Tohoku University(Tohoku Univ.) |
| Date | 2021-11-05 |
| Paper # | SR2021-56 |
| Volume (vol) | vol.121 |
| Number (no) | SR-227 |
| Page | pp.pp.91-97(SR), |
| #Pages | 7 |
| Date of Issue | 2021-10-28 (SR) |