Compressed Sensing Clustering Routing Protocol for Energy Heterogeneous WSN
Wenxian Jiang · Chuangan jishu xuebao · 2013
Aiming at the characteristics of universal energy heterogeneous in wireless sensor networks(WSN),we proposed a compressed sensing clustering routing protocol for the energy of heterogeneous wireless sensor networks(CSCH algorithm).The algorithm determines the probability of multi-lever cluster head election by the energy of nodes,gathering the information of cluster nodes to cluster head,then uses the cluster head to dilute and compress the gathering data to reduce the number of nodes and the amount of communication of the data transmitted to the fusion center.The fusion center can restore signal source from a few data of cluster head using reconstruction algorithm.We also designed a weight coefficient based on normal distribution to optimize information reconstruction performance of compressed sensing algorithm in the case of lacking data.Simulation results show that this protocol can not only take full advantage of heterogeneous energy resources,balance energy dissipation of network and extend the lifetime of the entire network,but also accurately restore the signal source.