Abstract:

Network coding is a novel technique to improve network throughput and performance. It is expected to be a key technology for networks of future. This paper gives a survey on the network coding applicated in wireless networks which is considerd to be one of the most likely applications of network coding. Network coding allows to take advantage of the broadcasting nature of the shared wireless medium. Wireless networks and sensor networks provide opportunities for the application of network coding. In this paper，we introduce several network coding and corresponding encoding strategies under different scenarios. These include traditional network coding，physical layer network coding，analogue network coding and complex field network coding as well. We also give remarks on wireless network coding in the future.

Key words: wireless network coding, digital network coding, physical layer network coding, finite field network coding, complex field network coding