An algebraic approach to network coding
IEEE/ACM Transactions on Networking (TON)
Bottleneck discovery and overlay management in network coded peer-to-peer systems
Proceedings of the 2007 SIGCOMM workshop on Internet network management
Efficient broadcasting using network coding
IEEE/ACM Transactions on Networking (TON)
XORs in the air: practical wireless network coding
IEEE/ACM Transactions on Networking (TON)
SMACK: a SMart ACKnowledgment scheme for broadcast messages in wireless networks
Proceedings of the ACM SIGCOMM 2009 conference on Data communication
Dynamic algorithms for multicast with intra-session network coding
IEEE Transactions on Information Theory
CCACK: efficient network coding based opportunistic routing through cumulative coded acknowledgments
INFOCOM'10 Proceedings of the 29th conference on Information communications
Codecast: a network-coding-based ad hoc multicast protocol
IEEE Wireless Communications
IEEE Transactions on Information Theory
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Network coding is a promising technology to improve the throughput and reliability of networks. One critical factor that contributes to a distinct advantage of network coding in a dynamic network circumstance is the existence of a perfect feedback scheme. The current feedback schemes for network coding require special conditions to operate. However, the conditions are extremely hard to meet in practice. In this paper, we propose a novel and effective feedback scheme, orthogonal coded feedback (OCF), in order to avoid the defects of the existing feedback schemes for network coding. Based on our knowledge, this is the first attempt to incorporate orthogonal coding over a finite field into network coding for addressing problems of feedback in network coding diagrams. We establish a simple mathematical model for the feedback scheme, and a thorough analysis has been conducted based on the proposed model. Moreover, we design a simple code generating algorithm for orthogonal coding that can be used in any finite field. Our extensive simulations indicate that the proposed OCF outperforms the current feedback schemes in various network topologies.