Ad Hoc Wireless Networks: Protocols and Systems
Ad Hoc Wireless Networks: Protocols and Systems
A Distributed and Efficient Flooding Scheme Using 1-Hop Information in Mobile Ad Hoc Networks
IEEE Transactions on Parallel and Distributed Systems
A unified analysis of routing protocols in MANETs
IEEE Transactions on Communications
A survey of multipoint relay based broadcast schemes in wireless ad hoc networks
IEEE Communications Surveys & Tutorials
Performance analysis of the IEEE 802.11 distributed coordination function
IEEE Journal on Selected Areas in Communications
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Broadcasting is a frequently used technique in a wireless ad hoc network not only to deliver protocol control information but also application data. Optimized Link State Routing (OLSR) uses Multipoint Relay (MPR) to flood Topology Control (TC) message while reducing redundant retransmissions. The downside of reducing duplicated retransmission is vulnerability of the transmitted packet to the packet error, collision, or hidden nodes. In this paper, we propose a multipoint relay selection method for robust broadcast in a wireless ad hoc network. The proposed method selects additional MPR nodes so that it can cover 2-hop MPR nodes m times not to cover all 2-hop neighbor nodes m times. The number of additional MPR nodes is analyzed using mathematical modeling and simulations. The proposed method can improve network throughput as well as delivery ratio compared with the original MPR selection method of OLSR.