S.M. Lydon and H.M. Smith (USA)
Wireless Sensor Networks, Routing Protocols, Distributed Algorithms, Ad-hoc
The General Direction Routing Protocol (GDRP) is a sensor network multi-path routing protocol which abstracts localization information such as GPS coordinates. Using this localization information, GDRP is able to operate with fewer precision requirements. The abstraction is done by taking localization information and determining relative direction information. This abstraction also allows the integration of other emerging hardware-based localization techniques, for example, Beamforming Sensor Arrays. By abstracting point localization information into relative directions, packets traverse multiple paths through the network thus enhancing network robustness. Through simulation, GDRP is compared with another sensor network multi-path routing protocol, Bordercast. GDRP operates at a significantly lower setup cost (in terms of numbers of packets necessary to transmit a message through the network) for networks of varying sizes, and it also demonstrates a lower routing cost due to less packets being generated.
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