Construction of Structured LDPC Convolutional Codes

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United States of America Patent

APP PUB NO 20160173132A1
SERIAL NO

14565480

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Abstract

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Protograph construction methods for generating convolutional LDPC code matrices are disclosed in which multi-equation problems of girth maximization are reduced or replaced using other techniques including (with limitation): finding base matrices with a unique set of non-repeating distance parameters, finding the minimum largest such distance parameter among solution-set matrices, and quasi-cyclic lifting of the generated convolutional LDPC code matrix. 4-cycles and select (avoidable) 6-cycles are thereby removed from the resulting convolutional LDPC code matrix, thereby resulting in significant performance gains.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
ALCATEL-LUCENT USA INC.MURRAY HILL, NJ1791

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cho, Joon Ho Holmdel, US 18 20

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