| Presentation | 2015/1/15 Proposal on Collision Detection for asynchronous MU-MIMO transmission Masaaki KAWAHARA, Kentaro NISHIMORI, Takefumi HIRAGURI, Yoshiaki MORINO, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have proposed an interference detection method in MIMO transmission. This report proposes a collision detection method in IEEE802.11ac based MU-MIMO transmission which implement random access, while the access point (AP) transmits the signal. In the proposed method, when the AP transmits the signal, there is no need to use all antennas at the AP in the MU-MIMO transmission which implement random access. Therefore, antennas which are not used can receive interference signals while some of antennas transmit the signal. Moreover, in order to detect the beginning of transmit signal of the AP, a preamble is set beginning of transmit signal of the AP. In the proposed method, the interference can be detected by subtracting the transmit signal of the AP which is multiplied by the estimated channel response from the received signal after FFT processing. By a computer simulation, it is shown that the proposed method can successfully detect interference signal. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | MIMO / collision detection / preumble signals |
| Paper # | A・P2014-177 |
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| Conference Information | |
| Committee | AP |
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| Conference Date | 2015/1/15(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Antennas and Propagation (A・P) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Proposal on Collision Detection for asynchronous MU-MIMO transmission |
| Sub Title (in English) | |
| Keyword(1) | MIMO |
| Keyword(2) | collision detection |
| Keyword(3) | preumble signals |
| 1st Author's Name | Masaaki KAWAHARA |
| 1st Author's Affiliation | Faculty of Engineering, Niigata University() |
| 2nd Author's Name | Kentaro NISHIMORI |
| 2nd Author's Affiliation | Faculty of Engineering, Niigata University |
| 3rd Author's Name | Takefumi HIRAGURI |
| 3rd Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
| 4th Author's Name | Yoshiaki MORINO |
| 4th Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
| Date | 2015/1/15 |
| Paper # | A・P2014-177 |
| Volume (vol) | vol.114 |
| Number (no) | 396 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |