Interference-aware multipath routing protocols for mobile ad hoc networks

Abstract

Routing is considered as one of the most critical research issues in the area of mobile ad hoc networks (MANETs), where it plays the main role in determining the overall throughput and the delivery ratio in the mobile networks. This paper proposes two on-demand multipath routing protocols. Efficient, Stable, Disjoint Multipath Routing protocol (ESDMR) and Efficient, Disjoint Multipath Routing protocol (EDMR), the main goal of the proposed routing protocols is to reduce the influence of interference between the selected node-disjoint multipath scheme, by selecting a node-disjoint routes with the minimal interference between them. In addition, both of the proposed protocols used a new proposed technique that aims to reduce the control packets overhead, while it enables the destination node of collecting the required information. Simulation results show that the proposed routing protocols have a higher delivery rate and higher throughput compared with the ones in Split multipath routing protocol (SMR). The significant improvement in packet delivery ratio resulted mainly from reducing the impact of hidden terminal problem. While, increasing the number of available channels between the selected disjoint routes is the main reason for the dramatic improvement in throughput. The efficiency of the proposed protocols and SMR protocol is evaluated by GloMoSim simulator.