Communication techniques involving pairwise orthogonality of adjacent rows in LPDC code

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United States of America

PATENT NO RE49989
SERIAL NO

17334608

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Abstract

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Certain aspects of the present disclosure provide low-density parity-check (LDPC) codes having pairwise orthogonality of adjacent rows, and a new decoder that exploits the pairwise row orthogonality for flexible decoder scheduling without performance loss. An apparatus includes a receiver configured to receive a codeword in accordance with a radio technology across a wireless channel via one or more antenna elements situated proximal the receiver. The apparatus includes at least one processor coupled with a memory and comprising decoder circuitry configured to decode the codeword based on a LDPC code to produce a set of information bits. The LDPC code is stored in the memory and defined by a base matrix having columns in which all adjacent rows are orthogonal in a last portion of the rows.

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QUALCOMM INCORPORATED5775 MOREHOUSE DRIVE SAN DIEGO CA 92121-1714

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kudekar, Shrinivas Roswell, US 52 812
Richardson, Thomas Joseph South Orange, US 102 1337
Sarkis, Gabi San Diego, US 563 2008
Soriaga, Joseph Binamira San Diego, US 658 6163

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