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LDPC code design for asynchronous Slepian-Wolf coding

LDPC code design for asynchronous Slepian-Wolf coding,10.1109/TCOMM.2010.02.090034,IEEE Transactions on Communications,Zhibin Sun,Chao Tian,Jun Chen,K

LDPC code design for asynchronous Slepian-Wolf coding  
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We consider asynchronous Slepian-Wolf coding where the two encoders may not have completely accurate timing information to synchronize their individual block code boundaries, and propose LDPC code design in this scenario. A new information-theoretic coding scheme based on source splitting is provided, which can achieve the entire asynchronous Slepian-Wolf rate region. Unlike existing methods based on source splitting, the proposed scheme does not require common randomness at the encoder and the decoder, or the construction of super-letter from several individual symbols. We then design LDPC codes based on this new scheme, by applying the recently discovered source-channel code correspondence. Experimental results validate the effectiveness of the proposed method.
Journal: IEEE Transactions on Communications - TCOM , vol. 58, no. 2, pp. 511-520, 2010
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