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The communication link is the only way for space probe to receive tele-command data from and return telemetry information to the control center on the earth. The design of deep space communication system has lots of challenging problems. For example, the solar scintillation effects can be significant for deep-space telecommunication links during superior solar conjunction. In this paper, the design and application of Low-Density Parity-Check (LDPC) coding scheme for deep space communication under solar scintillation condition is studied. In particular, the deep space communication channel under solar scintillation condition is modeled as a kind of Rician Channel that characterized by scintillation index, and the LDPC codes are optimized under such kind of channel mode to improve the Bit-Error Rate (BER) performance.
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