NDLI: Blind Multiuser Detection for Synchronous High Rate Space-Time Block Coded Transmission

Content Provider	IEEE Xplore Digital Library
Author	Muhammad, Z. Zhi Ding
Copyright Year	2002
Abstract	We propose a new joint receiver for the blind detection of synchronous co-channel multiuser signals modulated with orthogonal space-time block codes (OSTBC). We exploit the algebraic structure of the orthogonal space-time block codes and the constellation feature of Quadrature Amplitude Modulation (QAM) signals to develop a blind zero-forcing (ZF) detector based on quadratic programming (QP) with desirable convergence properties. Focusing on high rate space-time block codes in synchronous co-channel multiuser systems, we propose a successive processing joint receiver based on the proposed blind detector with low computational complexity and fast convergence. For signal detection in single user MIMO systems, the proposed QP algorithm has performance similar to that of maximum-likelihood receiver with wireless channel information. Unlike many existing techniques, our new receiver is applicable to full-rate orthogonal space-time block codes such as the practically popular Alamouti code. Furthermore, our QP receiver for multiuser detection relaxes stringent conditions on the number of receive antennas of the multi-input-multi-output (MIMO) transceiver systems.
Starting Page	2171
Ending Page	2185
Page Count	15
File Size	835118
File Format	PDF
ISSN	15361276
Volume Number	10
Issue Number	7
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors MIMO Multiuser detection Block codes Quadrature amplitude modulation Receiving antennas multiuser detection MIMO wireless systems space time block codes quadratic programming
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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