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Title: High rate trellis coded differential unitary space-time modulation via super unitarity
Authors: Tao, M. 
Keywords: Antenna diversity
Differential unitary space-time modulation
Group codes
Set partitioning
Trellis-coded modulation
Issue Date: Dec-2006
Citation: Tao, M. (2006-12). High rate trellis coded differential unitary space-time modulation via super unitarity. IEEE Transactions on Wireless Communications 5 (12) : 3350-3354. ScholarBank@NUS Repository.
Abstract: We introduce a new trellis coded differential unitary space-time modulation scheme for multiple-antenna wireless systems. In the new scheme, the constellation expansion is executed using a super unitarity technique so that the number of available unitary matrices is increased but the transmitted symbol alphabet is kept the same. A novel set partitioning strategy is then applied to the expanded matrix set. This scheme avoids the rate-loss problem suffered by traditional code design. We provide some examples using the proposed code construction method. Compared with existing ones, the new codes can not only achieve lower transmitter and receiver complexity, but also provide higher coding gains. © 2006 IEEE.
Source Title: IEEE Transactions on Wireless Communications
ISSN: 15361276
DOI: 10.1109/TWC.2006.256954
Appears in Collections:Staff Publications

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