A reachability-guaranteed approach for reducing broadcast storms in mobile ad hoc networks

In this paper, a reachability-guaranteed approach for reducing broadcast storms in MANET is proposed. The approach is based on location awareness, which means each node in the network needs to equip the positioning device like GPS and exchange location information in the HELLO message with its neighbors. Three mechanisms are included in the proposed approach: Relay set (RS), neighbor coverage (NC), and transmission order (TO). Simulation results have shown that the proposed approach RS+NC+TO has a better performance than the threshold-based schemes and angle-based scheme in terms of 100% reachability, more saved rebroadcast, and shorter average latency to accomplish the broadcast process over the whole network.