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Multiple-symbol double-differential detection based on least-squares and generalized-likelihood ratio criteria

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4 Author(s)
M. Simon ; Univ. of California, Los Angeles, CA, USA ; Jianhua Liu ; P. Stoica ; Jian Li

Two algorithms for double-differential detection of multiple phase-shift keying modulation are proposed, based on a least-squares criterion and a generalized-likelihood ratio test, respectively. While both algorithms take advantage of the performance gain obtained by observing the received signal over an observation interval longer than that required for symbol-by-symbol detection, the former has the important advantage of reduced implementation complexity, whereas the latter offers better performance.

Published in:

IEEE Transactions on Communications  (Volume:52 ,  Issue: 1 )