延迟容忍网络自适应差错控制方法  

An Error Control Method for Delay Tolerant Networks

作　　者：贾坤[1] 

机构地区：[1]中国西南电子技术研究所,成都610036

出　　处：《电讯技术》2010年第7期86-90,共5页Telecommunication Engineering

摘　　要：根据延迟容忍网络的时延较大、误码率较高等特点,在现有的传输控制层和MAC层差错控制的基础上改进,结合IEEE 802.11 DCF机制的特点,提出一种基于MAC层丢包率的自适应差错控制方案。该方案能有效改善延迟容忍网络的传输时延,满足对时延要求比较敏感的业务的要求。According to the characteristics of high delay and loss rate in Delay Tolerant Networks （DTNs）, an adaptive error control scheme based on packet loss rate on MAC layer is proposed. The proposed scheme improves the performance of the transmission control layer and MAC layer. The simulation results indicate that the scheme can improve the network transmission latency of DTN, and meet the requirements of latency sensitive services.

关 键 词：延迟容忍网络 自适应差错控制 误码率 

分 类 号：TN915.01[电子电信—通信与信息系统]