Research On The Multi-Path Routing Protocol Of Wireless Sensor Network

Wireless sensor network routing protocol as an important part of the sensor network has great significance. This thesis mainly studies and analyzes the multi-path routing protocol. Compared with single path routing protocol, multi-path routing protocol has many advantages in the quality of QoS and security. In this thesis, we analyze the multipath routing protocols from the perspective of energy consumption, and then we study the QoS and security issues of multipath routing protocols. The main work of this thesis is as follows:(1) First, this thesis analyses the energy consumption in multi-path routing protocol, mainly focusing on unbalance energy consumption for wireless sensor networks, and then puts forward the NUDBEMR protocol in which energy consumption is balance. The protocol uses uneven partition method and multi-path construction to balance the network energy consumption. Experiments show that the proposed protocol has a good performance compared with the existing routing protocols.(2) Second, this thesis analyses the QoS problem in multi-path routing protocol, and then puts forward a multipath routing protocol REQMR that based on QoS demand. In the protocol we establish a node reliability evaluation function to construct the routing, and the fuzzy decision method is used to determine the weight of the reliability evaluation function. Through the weight coefficient to balance the node energy consumption and QoS, so the protocol can meet the Qo S requirement and energy consumption of the application. Finally through the simulation experiment we analyse the REQMR protocol REQMR.(3) Third, this thesis analyses security problem in multi-path routing protocol, and then puts forward a secure multipath routing protocol TSMR. The proposed multi-path routing protocol can better resist some attacks, the protocol through the trust evaluation mechanism to detect the malicious nodes on the network. Finally, through the simulation experiment we analyse the protocol energy consumption and security performance.