Method and system for an efficient channel quantization...

Details Method and system for an efficient channel quantization... Method and system for an efficient channel quantization...

2011-04-21

2011-12-27

Ha, Dac V (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

C375S267000, C375S299000

Reexamination Certificate

active

08085833

ABSTRACT:
A method and system for processing communication signals is provided and may comprise, minimizing a cost function in a MIMO pre-coding system by choosing a smallest scalar cost from a plurality of scalar costs, wherein each one of the scalar costs is generated from one or more sums and one or more products of elements of a product matrix, and wherein the product matrix is generated from one of the plurality of unitary matrices, a matrix comprising the channel estimate, and their respective Hermitian Transposes. The codebook is selected based on the minimized cost function. The channel estimate is quantized onto the selected codebook.

REFERENCES:
patent: 7676007 (2010-03-01), Choi et al.
patent: 7711066 (2010-05-01), Jiang et al.
patent: 7769098 (2010-08-01), Borkar et al.

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