Energy level and link state aware AODV route request forwarding mechanism research

Authors:
Hao Jutao;Zhao Jingjing;Li Minglu
Affiliations:
School of Computer and Electrical Engineering, University of Shanghai for Science and Technology, Shanghai, China;Department of Electrical Engineering, Chongqing University, Chongqing, China;Department of Computer Science & Engineering, Shanghai Jiaotong University, Shanghai, China
Venue:
WSEAS TRANSACTIONS on COMMUNICATIONS
Year:
2009

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Abstract

Ad-hoc On-demand Distance Vector (AODV) provides scalable and effective solution for packet routing in mobile wireless ad hoc networks, however, the path generated by this protocol may derivate far from optimal because of inconsideration of node power, load unbalance and link state, resulting in energy consumption of each nods is imbalanced and reduce the lifetime of whole networks. Based on the basic AODV protocols, an improved protocol is presented in this paper. When the protocol is selecting a route, node power, load status and link state between nodes are all considered. The proposed protocol can improve the network performance. Through the simulation on NS2, it is confirmed that the improved AODV protocol has higher package delivery ratio, lower end to end delay and lower routing overhead than basic AODV protocol.