Method for decoding codewords transmitted over non-coherent...

Details Method for decoding codewords transmitted over non-coherent... Method for decoding codewords transmitted over non-coherent...

2010-06-30

2011-11-15

Puente, Eva (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S340000, C375S261000, C375S299000, C375S347000, C375S354000, C714S779000, C714S752000, C714S758000

Reexamination Certificate

active

08059747

ABSTRACT:
Codewords encoded using non-coherent codes and received at a receiver via non-coherent channels in a multi-input, multiple output (MIMO) network using orthogonal frequency demultiplexing (OFDM) are decode by concatenating multiple adjacent codewords of a received signal into a superblock at the receiver. A projector matrix based on a codebook is predetermining. Each codeword in the superblock is projected onto an orthogonal complement of a correspond transmitted codeword using the projector matrix to obtain a corresponding distance metric of a generalized likelihood ratio test (GLRT) codeword. A minimal distance metric is selected to obtain an estimate of the transmitted codeword corresponding to a transmitted signal.

REFERENCES:
patent: 2004/0125883 (2004-07-01), Chang et al.
patent: 2007/0041463 (2007-02-01), Wang et al.
patent: 2010/0226454 (2010-09-01), Bliss et al.
patent: 2011/0064167 (2011-03-01), Rezk et al.

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