Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wataru Matsumoto0
Date of Patent
February 1, 2011
0Patent Application Number
105888030
Date Filed
February 10, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
In a quantum key distributing method of the present invention, a communication apparatus on a reception side performs error correction using parity check matrixes for an LDPC code that have an extremely high error correction ability. In the quantum key distributing method of the present invention, a cyclic code syndrome generated by a communication apparatus on a transmission side and an estimated cyclic code syndrome generated based on an estimated word after error correction are compared to perform error detection for the estimated word.
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