论文部分内容阅读
针对工业测控无线传感器网络对可靠性和实时性的要求,提出了一种高性能分簇路由(HPCR)算法.针对非均分簇网络存在的各簇负载不均衡问题,该算法根据收集的节点密度信息来计算分簇半径,并在簇首选举策略中引入了丢包率数据以提高簇内通信可靠性.为避免单条路径失效易导致部分网络瘫痪的问题,该算法在初始化时给出了多条簇间路径;利用蚁群算法实现簇间路由维护,通过正负反馈机制调整信息素,实现簇间网络的能量均衡、拥塞控制和路径更新.仿真结果表明,该算法能够有效地提高网络的可靠性,降低簇间通信时延.
Aiming at the requirements of reliability and real-time of industrial measurement and control wireless sensor networks, a high-performance clustering routing (HPCR) algorithm is proposed. In order to solve the problem of unbalanced cluster loads in non-homogeneous cluster networks, Density information to calculate the clustering radius, and introduce the packet loss rate data in the cluster head election strategy to improve the reliability of intra-cluster communication.To avoid the single path failure easily lead to partial network paralysis, the algorithm is given at initialization The algorithm of ant colony algorithm is used to maintain the route among clusters, and the pheromone is adjusted by positive and negative feedback mechanism to realize the energy balance, congestion control and path update of the inter-cluster network.The simulation results show that the algorithm can effectively improve the network Reliability, reduce communication delay between clusters.