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In this paper, two efficient hybrid routeless routing protocols (static and adaptive channel width) for Mobile Ad hoc Sensor NETworks (MASNETs) have been proposed. They are based on Location-Aided Routing (LAR) and Received signal strength-Aided Flooding (RAF) protocols. The protocols maintain geographical Route Broadcasting Virtual Channels (RBVC) with different widths between a source node and its destination to reduce the rebroadcasts of packets. Hence without predefined source-destination route, i.e., routeless, only some nodes, inside the RBVC, may contribute in rebroadcasting packets. Simulation results show that the protocols are able to outperform both RAF and LAR based protocols with respect to energy consumption and packet delivery ratio.
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