Abstract

In this paper we propose an integrated proactive routing and mobility management strategy that makes feasible the realization of a flat single-tier routing architecture in multihop packet radio networks. The integration of the routing and mobility management functions is achieved via the use of the geographic position reporting mechanism and the generalization of the zone routing concept. The underlying principle behind the proposed routing strategy is to reduce the network routing overhead by making the accuracy of the routing information in each node “inversely proportional” to its distance from any other node in the network. The proposed integrated scheme provides for a flat routing architecture with no hierarchical entry/exit points, where every node can act as a router, therefore increasing the network’s routing flexibility and robustness. Finally we show through modeling and simulation that the proposed routing protocol is a bandwidth-efficient routing mechanism that can be applied across large-scale networks.

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