Presentation 2008-05-30
V-BLAST Detection Algorithm for Spatial Multiplexing Receivers with QPSK System
Hirofumi MARUYAMA, Satoshi DENNO, Daisuke UMEHARA, Masahiro MORIKURA,
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Abstract(in English) Spatial multiplexing system can offer a high channel capacity. In spatial multiplexing, the system should have the same number of transmitting antennas and receiving antennas for successful communication. Our purpose is to propose algorithms for spatial multiplexing decoder which can decode transmitted signals even if the number of transmitting antennas exceeds that of receiving antennas. In this paper, we propose and evaluate a new algorithm for V-BLAST decoder on QPSK systems. The algorithm can increase the number of signal streams from transmitting antennas that can be decoded successfully at the same number of receiving antennas. As a result of this, the algorithm with QPSK systems can expand the transmission capacity.
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Keyword(in English) Spatial Multiplexing / V-BLAST / Adaptive Algorithm / Transmission Capacity
Paper # RCS2008-10
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Committee RCS
Conference Date 2008/5/22(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) V-BLAST Detection Algorithm for Spatial Multiplexing Receivers with QPSK System
Sub Title (in English)
Keyword(1) Spatial Multiplexing
Keyword(2) V-BLAST
Keyword(3) Adaptive Algorithm
Keyword(4) Transmission Capacity
1st Author's Name Hirofumi MARUYAMA
1st Author's Affiliation Graduate School of Informatics, Kyoto University()
2nd Author's Name Satoshi DENNO
2nd Author's Affiliation Graduate School of Informatics, Kyoto University
3rd Author's Name Daisuke UMEHARA
3rd Author's Affiliation Graduate School of Informatics, Kyoto University
4th Author's Name Masahiro MORIKURA
4th Author's Affiliation Graduate School of Informatics, Kyoto University
Date 2008-05-30
Paper # RCS2008-10
Volume (vol) vol.108
Number (no) 61
Page pp.pp.-
#Pages 6
Date of Issue