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An innovative low-density parity-check code design with near-Shannon-limit performance and simple implementation

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3 Author(s)
Eroz, M. ; Hughes Network Syst., Germantown, MD, USA ; Feng-Wen Sun ; Lin-Nan Lee

A novel parity-check matrix design for low-density parity-check (LDPC) codes is described. By eliminating the routing problem associated with LDPC codes, the design results in a small implementation area, and the codes have outstanding error-rate performance close to the Shannon limit for a wide range of code rates, from 1/4 to 9/10, and for various modulation schemes such as binary phase-shift keying (PSK), quaternary PSK, 8-PSK, 16-amplitude PSK (APSK), and 32-APSK. As a result, LDPC codes designed with this method have been standardized for next-generation digital video broadcasting.

Published in:

Communications, IEEE Transactions on  (Volume:54 ,  Issue: 1 )

Date of Publication:

Jan. 2006

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