无线传感器网络中的拓扑控制 *

拓扑控制是无线传感器网络研究中的核心问题之一 ,它对于提高网络生存周期、降低通信干扰、提高 MAC和路由协议、保证网络连通和覆盖质量、提高网络服务等具有重要意义。阐述了拓扑控制技术研究的进展,首先描述了拓扑控制及其方法、评价标准 ,然后从平面网络、层次型网络拓扑控制介绍了一些代表性的研究工作 ,并指出了这些工作存在的不足 ,最后总结了研究现状中存在的问题以及拓扑控制研究的发展方向。

Topology control for wireless sensor networks

Topology control is one of the fundamental problems in wireless sensor networks. It is of great importance for pro-longing network lifetime, reducing radio interference, increasing the efficiency of MAC and routing protocols, ensure the qua-lity of connecting and coverage, increasing the network services and so on. This paper described the topology control problem and its methods, criterion of estimation firstly, then made an introduction of representative research efforts, from two aspects, homogeneous and non-homogeneous networks respectively, and pointed out the defects of those efforts. Finally, summarized existing problems, open issues and research trends.