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Title: Connected k-hop clustering in ad hoc networks
Authors: Yang, S
Wu, J
Cao, J 
Issue Date: 2005
Source: ICPP 2005 : International Conference on Parallel Processing : 14-17 June 2005, Oslo, Norway, p. 373-380
Abstract: In wireless ad hoc networks, clustering is one of the most important approaches for many applications. A connected k-hop clustering network is formed by electing clusterheads in k-hop neighborhoods and finding gateway nodes to connect clusterheads. Therefore, the number of nodes to be flooded in broadcast related applications could be reduced. In this paper, we study the localized solution for the connectivity issue of clusterheads with less gateway nodes. We develop the adjacency-based neighbor clusterhead selection rule (A-NCR) by extending the "2.5" hops coverage theorem [17] and generalizing it to k-hop clustering. We then design the local minimum spanning tree [9] based gateway algorithm (LMSTGA), which could be applied on the adjacent clusterheads selected by A-NCR to further reduce gateway nodes. In the simulation, we study the performance of the proposed approaches, using different values for parameter k. The results show that the proposed approaches generate a connected k-hop clustering network, and reduce the number of gateway nodes effectively.
Keywords: Broadcasting
Computer simulation
Database systems
Gateways (computer networks)
Theorem proving
Trees (mathematics)
Publisher: IEEE Computer Society
ISBN: 0-7695-2380-3
Rights: © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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