XORs in the air: practical wireless network coding
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Context-based routing: techniques, applications and experience
NSDI'08 Proceedings of the 5th USENIX Symposium on Networked Systems Design and Implementation
Network coding-aware rate control and scheduling in wireless networks
ICME'09 Proceedings of the 2009 IEEE international conference on Multimedia and Expo
Multipath wireless network coding: a population game perspective
INFOCOM'10 Proceedings of the 29th conference on Information communications
An architectural view of game theoretic control
ACM SIGMETRICS Performance Evaluation Review
IEEE Transactions on Information Theory
Cross-Layer Optimization of MAC and Network Coding in Wireless Queueing Tandem Networks
IEEE Transactions on Information Theory
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We consider wireless networks in which multiple paths are available between each source and destination. We allow each source to split traffic among all of its available paths, and we ask the question: How do we attain the lowest possible number of transmissions per unit time to support a given traffic matrix? Traffic bound in opposite directions over two wireless hops can utilize the “reverse carpooling” advantage of network coding in order to decrease the number of transmissions used. We call such coded hops “hyper-links.” With the reverse carpooling technique, longer paths might be cheaper than shorter ones. However, there is a peculiar situation among sources—the network coding advantage is realized only if there is traffic in both directions of a shared path. We consider the problem of routing with network coding by selfish agents (the sources) as a potential game and develop a method of state-space augmentation in which additional agents (the hyper-links) decouple sources' choices from each other by declaring a hyper-link capacity, allowing sources to split their traffic selfishly in a distributed fashion, and then changing the hyper-link capacity based on user actions. Furthermore, each hyper-link has a scheduling constraint in terms of the maximum number of transmissions allowed per unit time. We show that our two-level control scheme is stable and verify our analytical insights by simulation.