Abstract
Mobile ad hoc networks (MaNeT) play an important role in connecting devices in pervasive environments. Each node in MaNet can act as source and router. In this paper, we propose a hybrid routing protocol with Unicast Reply(HRP-UR) which combines the merits of both proactive and reactive approach. Like proactive approach, it maintains routing table at every node. However, it differs from proactive approach; that the routing table is not built prior to communication. Routing table are built in incremental steps during route discovery. Route discovery takes place like reactive approach only on demand. HRP-BR takes advantage of broadcast nature in MaNet for route discovery and store maximum information in the routing tables at each node. Broadcast nature avoids handshaking of RTS and CTS and effectively utilize trans-receiver antennas which reduce power consumption and effectively utilize bandwidth. HRP-BR is compared with existing AODV routing protocol which shows significant reduction in routing overhead, end-to-end delay and increases packet delivery ratio.
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