Efficient error estimating coding: feasibility and applications
IEEE/ACM Trans. Netw.(2012)
摘要
Motivated by recent emerging systems that can leverage partially correct packets in wireless networks, this paper investigates the novel concept of error estimating codes (EEC). Without correcting the errors in the packet, EEC enables the receiver of the packet to estimate the packet's bit error rate, which is perhaps the most im- portant meta-information of a partially correct packet. Our EEC algorithm provides provable estimation quality, with rather low re- dundancy and computational overhead. To demonstrate the utility of EEC, we exploit and implement EEC in two wireless network applications, Wi-Fi rate adaptation and real-time video streaming. Our real-world experiments show that these applications can sig- nificantly benefit from EEC.
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关键词
Bit error rate,Receivers,Encoding,Estimation,Wireless communication,Forward error correction,Redundancy
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