网络编码的提出是网络通信领域理论研究的重大突破,它的核心思想是允许网络节点在转发信息前对传输的信息按照合适的方式进行编码.应用网络编码具有提高网络吞吐量、均衡网络负载、降低节点能耗、提高网络鲁棒性和安全性等优势.文中介绍了网络编码的基本原理和实际应用,并将着重阐述网络编码在无线网络背景下取得的研究进展.%The concept of network coding is considered as a breakthrough made in network communication. It allows the network node to encode data transmitted before forwarding, thus could improve the network throughput, reduce node energy consumption, increase network robustness and ensure information security. The basic principles and main advantages of network coding are introduced, then research progress made in recent years under the condition of wireless communication applying network coding are focused on. In the end, the prospect and directions are summarized.
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