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An Efficient Inter-unit Interference Reduction Technique for a MSTTD System
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- Authors
- Jong Sub Cha, Heyung Sub Lee, Young Ok Kim
- Issue Date
- 2010-02
- Citation
- IEEE Communications Letters, v.14, no.2, pp.97-99
- ISSN
- 1089-7798
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- A multiple space-time transmit diversity (MSTTD) detection scheme on quasi-static Rayleigh flat-fading channels is proposed. The proposed detection algorithm first determines the candidates for M units each using a QR decomposition, and computes a reference metric for a full-length vector consisting of the first candidates at each unit. Then it performs a more likely searching simply by comparing the reference metric with other candidates such that an inter-unit interference can be effectively eliminated. Through these procedures it can approach the ML performance with less complexity even compared to an improved Schnorr-Euchner (ISE) scheme. © 2010 IEEE.
- KSP Keywords
- Detection algorithm, Detection scheme, Interference reduction, QR Decomposition, Reduction technique, Space time(ST), fading channel, quasi-static, space-time transmit diversity