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Low-Complexity Semi-Coherent MIMO Systems
Mohd Hairi HALMI Mohamad Yusoff ALIAS Teong Chee CHUAH
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E93-A
No.4
pp.833-836 Publication Date: 2010/04/01 Online ISSN: 1745-1337
DOI: 10.1587/transfun.E93.A.833 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Digital Signal Processing Keyword: MIMO, STBC, semi-coherent, detector, decoder,
Full Text: PDF(254.1KB)>>
Summary:
A semi-coherent multiple-input multiple-output (MIMO) scheme, which only requires one of its receivers to operate coherently while others can be non-coherent, is proposed. In this scheme, the information symbols at the non-coherent receivers are estimated with the aid of a coherent receiver through a covariance estimator, thus allowing signals to be decoded coherently in the final stage. Results show that the proposed system is able to provide performance on par with that of the more complicated fully coherent MIMO systems.
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