Presentation 2004/6/18
An MMSE Detector for Multiuser Space-Time Block Coded OFDM
Xuan Nam TRAN, Tadashi FUJINO, Yoshio KARASAWA,
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Abstract(in English) In this report, we propose a multiuser detection (MUD) scheme for space-time block coded orthogonal frequency division multiplexing (STBC-OFDM) systems. We drive the optimum weight matrix used to decouple simultaneously signals from active multiple access users using the minimum mean square error (MMSE) multiuser detection method. The proposed scheme provides good performance over different models of the frequency selective fading channel. It is also to show that if the length of the cyclic prefix is larger than that of the channel, the performance of the detector depends on only the total energy extracted from multipath components but not on the employed channel model, the number of multipath components or the delay of each multipath component.
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Keyword(in English) space-time code / transmit diversity / OFDM / multipath fading / multiuser detection
Paper # WBS2004-13,SAT2004-37
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Committee SAT
Conference Date 2004/6/18(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An MMSE Detector for Multiuser Space-Time Block Coded OFDM
Sub Title (in English)
Keyword(1) space-time code
Keyword(2) transmit diversity
Keyword(3) OFDM
Keyword(4) multipath fading
Keyword(5) multiuser detection
1st Author's Name Xuan Nam TRAN
1st Author's Affiliation Department of Information and Communication Engineering, The University of Electro-Communications()
2nd Author's Name Tadashi FUJINO
2nd Author's Affiliation Department of Information and Communication Engineering, The University of Electro-Communications
3rd Author's Name Yoshio KARASAWA
3rd Author's Affiliation Department of Electronic Engineering, The University of Electro-Communications
Date 2004/6/18
Paper # WBS2004-13,SAT2004-37
Volume (vol) vol.104
Number (no) 146
Page pp.pp.-
#Pages 6
Date of Issue