计算机科学 ›› 2016, Vol. 43 ›› Issue (9): 140-145.doi: 10.11896/j.issn.1002-137X.2016.09.027
陈康妮,钱丽萍,陈庆章
CHEN Kang-ni, QIAN Li-ping and CHEN Qing-zhang
摘要： 针对深空环境中高误码率、长传输时延的通信特点,在传统喷泉码的基础上提出了一种基于多级反馈式喷泉码的深空通信传输协议。给出了基于多级反馈式喷泉码传输协议具体的编码结构和传输方案,从理论上分析了该传输协议与非反馈喷泉码传输协议的编码有效性和传输时间,并通过实验比较了上述两种传输协议以及基于喷泉码的译码转发传输协议在不同误码率和传输距离的深空通信环境下的传输性能。实验结果表明,基于多级反馈式喷泉码的传输协议提高了编码有效性,减少了文件传输时延。
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