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This paper proposes a novel cluster-based lookup service in mobile ad hoc networks. By applying a self-adaptive multi-hop clustering, we avoid the empty region problem of grid system and omit the need of GPS device. The novelty of the proposed scheme is in its exploitation of hashing function for location querying to achieve low communication overhead. By varying different simulation parameters, we show that the proposed scheme is scalable and adaptive to many networks scenarios. Experiment results demonstrate that our scheme reduces the communication overhead significantly.
This research was supported by the MKE (Ministry of Knowledge Economy), Korea, under the ITRC (Information Technology Research Center) support program supervised by the IITA (Institute of Information Technology Advancement) (IITA-2008-(C1090-0801-0046)). Prof.Choo is the corresponding author.