ExOR: opportunistic multi-hop routing for wireless networks
Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
Trading structure for randomness in wireless opportunistic routing
Proceedings of the 2007 conference on Applications, technologies, architectures, and protocols for computer communications
Studying wireless routing link metric dynamics
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
CCACK: efficient network coding based opportunistic routing through cumulative coded acknowledgments
INFOCOM'10 Proceedings of the 29th conference on Information communications
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A fundamental challenge faced by network coding (NC)-based opportunistic routing (OR) protocols is determining how many coded packets each forwarding node (FN) should transmit. Existing protocols address this challenge by combining NC with offline loss rate based heuristics to eliminate the overhead of feedback exchange, often at the cost of reduced performance in dynamic wireless environments. In this paper, we present a novel solution to this challenge through the design of the CCACK protocol. CCACK introduces an online Cumulative Coded ACKnowledgment scheme which allows the protocol to sustain high performance in dynamic wireless environments, with practically zero overhead.