Research on Distributed Source Coding Based on LDPC Code
Traditional distributed source coding(DSC)has the disadvantages of high error rate and low compres-sion rate in metropolitan quantum communication.Therefore,an improved distributed source coding algorithm is proposed in this paper.In the design of the source encoder,Redundancy technology is used for error correction and detection,and then the joint design of Low-Density Parity Check(LDPC)code with redundancy and side in-formation is adopted to conduct distributed source coding.Experiments show that the improved distributed source coding algorithm can keep a high compression rate and is easier to implement in metropolitan quantum communi-cation systems with strong internal correlations.
Distributed source codingLow-Density Parity Check codeSide informationMetropolitan quantum communication
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