| Presentation | 2014-03-05 Performance evaluation on BD algorithm based MU-MIMO by FFT beam selection Kentaro NISHIMORI, Hayate KIMOTO, Takefumi HIRAGURI, Hideo MAKINO, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Multiuser MIMO (MU-MIMO) improves the system channel capacity by employing the transmission between a base station (BS) and multiple user terminals (UTs). Block Diagonalization (BD) has been proposed as the practical algorithm in MU-MIMO broadcast channel. However, when the number of transmit antennas is equals to the total number of received antennas, the transmission rate by the BD algorithm is decreased. We proposed the antenna or beam selection methods at the UT to reduce the number of nulls for the other users except an intended user by the BD algorithm. In this report, FFT based orthogonal beam selection method at the UT, in order to apply the implicit beam forming which can eliminate the channel state information (CSI) feedback from the UT to BS. Moreover, the BER performance is compared by the proposed method, conventional BD, and beam selection method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | multiuser MIMO / Block Diagonalization(BD) / FFT / eigenvalue / implicit beam forming |
| Paper # | RCS2013-386 |
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| Conference Information | |
| Committee | RCS |
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| Conference Date | 2014/2/24(1days) |
| Place (in Japanese) | (See Japanese page) |
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| Topics (in Japanese) | (See Japanese page) |
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| Registration To | Radio Communication Systems (RCS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance evaluation on BD algorithm based MU-MIMO by FFT beam selection |
| Sub Title (in English) | |
| Keyword(1) | multiuser MIMO |
| Keyword(2) | Block Diagonalization(BD) |
| Keyword(3) | FFT |
| Keyword(4) | eigenvalue |
| Keyword(5) | implicit beam forming |
| 1st Author's Name | Kentaro NISHIMORI |
| 1st Author's Affiliation | Faculty of Engineering, Niigata University() |
| 2nd Author's Name | Hayate KIMOTO |
| 2nd Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
| 3rd Author's Name | Takefumi HIRAGURI |
| 3rd Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
| 4th Author's Name | Hideo MAKINO |
| 4th Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
| Date | 2014-03-05 |
| Paper # | RCS2013-386 |
| Volume (vol) | vol.113 |
| Number (no) | 456 |
| Page | pp.pp.- |
| #Pages | 6 |
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