Problems in application of LDPC codes to information reconciliation in quantum key distribution protocols

Details Problems in application of LDPC codes to information reconciliation in quantum key distribution protocols Problems in application of LDPC codes to information reconciliation in quantum key distribution protocols

2009-08-14

arxiv.org/abs/0908.2042v2

Computer Science

Information Theory

10 pages, 1 figure. short survey article

Scientific paper

The information reconciliation in a quantum key distribution protocol can be studied separately from other steps in the protocol. The problem of information reconciliation can be reduced to that of distributed source coding. Its solution by LDPC codes is reviewed. We list some obstacles preventing the LDPC-based distributed source coding from becoming a more favorable alternative to the Cascade protocol for information reconciliation in quantum key distribution protocols. This exposition does not require knowledge of the quantum theory.

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