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A design of rate-adaptive LDPC codes for distributed source coding using PEG algorithm

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3 Author(s)
Min Jang ; School of Information and Communication Engineering, Sungkyunkwan University, Suwon 440-746, Korea ; Jin Whan Kang ; Sang-Hyo Kim

We propose a method for constructing rate-adaptive low-density parity check (LDPC) codes with large girth by syndrome merging with progressive-edge-growth (PEG) algorithm. Proposed scheme has a different structure from LDPC accumulate (LDPCA) codes. As a result, the new construction method turns the girth up for each specific code, and eliminates error floor.

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Date of Conference:

Oct. 31 2010-Nov. 3 2010