Abstract

Ultra-wideband (UWB) transmission technique is supposed to be a promising candidate for multi-hop mobile ad hoc networks in short range scenarios. In multi-hop networks, routing protocols are needed to establish connections between nodes. This paper presents a performance evaluation of the on- demand distance vector routing protocol (AODV), dynamic source routing protocol (DSR), and optimized link state routing protocol (OLSR) considering a realistic multi-hop ad hoc network scenario. This scenario represents an industrial indoor application that uses UWB transmission technique. The evaluation is accomplished through simulation using a joint PHY/MAC architecture for 802.15.4a-like UWB ad hoc networks combined with a realistic pathloss model. In this evaluation, the effects of multi-hop, data rate, and scalability on routing performance of AODV, DSR and OLSR are investigated. Based on the observed results, we specify two basic approaches to design a routing protocol suitable to our proposed network scenario.

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