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Performance evaluation of Wireless Mesh Network routing protocol for smart grid networks

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Recent Advances in Wireless Mesh Networks (WMN) makes it one of the candidate communication technologies for Smart Grid Automatic Metering Infrastructure (AMI) because of its scalability and low cost of deployment. However, its capacity and multi-hoping performance in dynamic environment may not guarantee resilience and packet delivery reliability requirements of AMI. Theoretical and practical studies have shown that the multi-hoping capacity of a mesh network is constrained by increase in the number of nodes and number of hops in the network. In addition traffic requirements for smart meters will further compound WMN multi-hopping issues. In this paper, the performance of WMN when deployed for AMI is carried out using two wireless routing protocols; Hybrid Wireless Mesh Protocol (HWMP) and Optimised Link State Rout protocol (OLSR) in NS-3. Simulation results show that compared to the reliability requirement of AMI, there is need for improving the routing metric for both protocols. Furthermore, The Dynamic Link Exchange Protocol (DLEP) which allows layer 2 link estimation was proposed to enhance the route decision.