| Presentation | 2019-05-30 Proposal of beam-forming method in FDD systems for WPT terminal stations Masaki Igarashi, Kentaro Nishimori, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The band adjacent to the frequency (5.7 GHz) used in space transmission wireless power transmission(WPT) is allocated to WLAN and DSRC. If radio waves are transmitted under this condition, telecommunicationsbetween other system terminals can be hindered. The purpose of this method is to avoid interference between othersystem terminals by controlling the directivity of the antenna so as not to emit radio waves toward ones. Althoughthe channel state information of other system terminal signal is needed to perform directivity control, the proposedconfiguration has the advantage that it can be estimated just by the power transmission equipment. As an initialstudy, it was assumed that there were 2 other system terminals, and channel state information estimation performancewas evaluated by simulation using computer and experimental measurement data. As a result, the mean square errorof the estimated value is less than $-$20 dB, and it is clear that it can be estimated with sufficient accuracy. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Beamforming / Wireless Power Transfer / FDD / CMA |
| Paper # | CQ2019-18 |
| Date of Issue | 2019-05-23 (CQ) |
| Conference Information | |
| Committee | CQ |
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| Conference Date | 2019/5/30(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hiroshima City University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Efficiency of Wireless Communications, Wireless Communication Quality, MIMO/Diversity/Multiplexing Techniques, Radio Resource Management, Cross-Layer Techniques, etc. |
| Chair | Takanori Hayashi(Hiroshima Inst. of Tech.) |
| Vice Chair | Hideyuki Shimonishi(NEC) / Jun Okamoto(NTT) |
| Secretary | Hideyuki Shimonishi(NTT) / Jun Okamoto(Nippon Inst. of Tech.) |
| Assistant | Chikara Sasaki(KDDI Research) / Yoshiaki Nishikawa(NEC) / Ryo Yamamoto(UEC) |
| Paper Information | |
| Registration To | Technical Committee on Communication Quality |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal of beam-forming method in FDD systems for WPT terminal stations |
| Sub Title (in English) | |
| Keyword(1) | Beamforming |
| Keyword(2) | Wireless Power Transfer |
| Keyword(3) | FDD |
| Keyword(4) | CMA |
| 1st Author's Name | Masaki Igarashi |
| 1st Author's Affiliation | Niigata University(Niigata Univ.) |
| 2nd Author's Name | Kentaro Nishimori |
| 2nd Author's Affiliation | Niigata University(Niigata Univ.) |
| Date | 2019-05-30 |
| Paper # | CQ2019-18 |
| Volume (vol) | vol.119 |
| Number (no) | CQ-61 |
| Page | pp.pp.39-42(CQ), |
| #Pages | 4 |
| Date of Issue | 2019-05-23 (CQ) |