Parallel encoder for low-density parity-check (LDPC) codes

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United States of America Patent

PATENT NO 8812930
SERIAL NO

14028256

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Abstract

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A low-density parity check (LDPC) encoder that calculate parity check values for a message using an LDPC parity check matrix is provided. A matrix-vector multiplication unit is operative to multiply a portion of the LDPC parity check matrix and the message to obtain an intermediate vector. A parallel recursion unit is operative to recursively calculate a first plurality of parity check values for the message based on the intermediate vector and to recursively calculate a second plurality of parity check values for the message based on the intermediate vector. The first plurality of parity check values are calculated in parallel with the second plurality of parity check values.

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Patent Owner(s)

  • MARVELL INTERNATIONAL LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gulati, Vikas Mountain View, US 16 261
Nabar, Rohit U Sunnyvale, US 245 4979
Shirali, Kedar Sunnyvale, US 56 658
Srinivasa, Sudhir Campbell, US 225 3666

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