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High Spectrual Efficiency RC-LDPC Coded IR-HARQ Scheme
Author(s): 
Pages: 121-124
Year: Issue:  3
Journal: Video Engineering

Keyword:  低密度奇偶校验码互信息模型速率匹配自适应增余型重传;
Abstract: 针对RC-LDPC码编码的自适应增余型重传(IR-HARQ)系统,构造了码率范围从0.1到0.9,码率间隔为0.1的速率匹配低密度奇偶校验(RC-LDPC)码族,并基于多载波链路预测的互信息(MI)模型,准确预测了系统最少应重传的校验码元数,可以根据每次传输的信道状况采用不同的调制方式,能在很宽的信噪比范围内提高系统信息传输的有效性.
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