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This paper compares the influence of the routing metric on the network capacity of ad hoc networks extending hotspots in an urban environment. In recent years many research was invested in routing and mobility management of large ad hoc networks. However, this paper compares different routing strategies and presents a new routing metric that improves the achievable capacity for ad hoc networks extending an infrastructure considerably. We present an analysis on a high abstracted level, taking into account an urban environment and comparing our capacity and interference aware routing (CIAR) with two well known, state of the art routing strategies. The results show that in urban environments an intelligent routing protocol is able to enhance the network capacity significantly. The paper presents the improvement of the resource utilisation applying our capacity and interference aware routing, compared to the application of shortest path and largest bandwidth routing.
Date of Conference: 2-5 April 2006