Presentation | 2014-03-07 On transmission efficiency considering medium access control scheme in muti-user MIMO transmission Kentaro NISHIMORI, Takefumi HIRAGURI, Toshiyuki OGAWA, |
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Abstract(in English) | This report describes the performance evaluation of multi-user MIMO (MU-MIMO) transmission which improves the transmission rate when considering the small number of terminal antennas. First, the basic concept of MU-MIMO is explained and Block Diagonalization (BD) algorithm, which has the practical calculation complexity in MU-MIMO broadcast channel, is explained. Then, the method to obtain channel state information (CSI) for the MU-MIMO transmission is described. Moreover, we explain the CSI feedback scheme from the terminal station to base station gives a very large overhead and an implicit beamforming method as the countermeasure is introduced. Finally, the throughput performance by the MU-MIMO transmission with and without CSI feedback when considering Medium Access Control (MAC) efficiency. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | multiuser MIMO / Block Diagonalization (BD) / CSI feedback / implicit beam forming |
Paper # | CQ2013-104 |
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Committee | CQ |
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Conference Date | 2014/2/27(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Paper Information | |
Registration To | Communication Quality (CQ) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | On transmission efficiency considering medium access control scheme in muti-user MIMO transmission |
Sub Title (in English) | |
Keyword(1) | multiuser MIMO |
Keyword(2) | Block Diagonalization (BD) |
Keyword(3) | CSI feedback |
Keyword(4) | implicit beam forming |
1st Author's Name | Kentaro NISHIMORI |
1st Author's Affiliation | Faculty of Engineering, Niigata University() |
2nd Author's Name | Takefumi HIRAGURI |
2nd Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
3rd Author's Name | Toshiyuki OGAWA |
3rd Author's Affiliation | Department of Electrical and Electronics Engineering, Nippon Institute of Technology |
Date | 2014-03-07 |
Paper # | CQ2013-104 |
Volume (vol) | vol.113 |
Number (no) | 471 |
Page | pp.pp.- |
#Pages | 6 |
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