MR-LBSR: Multiple-Route Loop-based Source Routing Protocol

H. Unoki and H. Higaki (Japan)


Wireless Technologies, Mobile Ad-hoc Networks, Routing Protocol, Multiple Route Detection.


Several routing protocols, e.g. DSR (Dynamic Source Routing Protocol), AODV (Ad-hoc On-Demand Distance Vector Routing Protocol) and LBSR (Loop-Based Source Routing Protocol), have been proposed for routing data packets in mobile ad-hoc networks. These are on-demand routing protocols. Only when a mobile computer requires to transmit data packets, it searches a route to a destination one. In addition, these are single-route protocols which de tect only one route. However, in an ad-hoc network, due to mobility of computers and instability of communica tion links, multiple-route protocols are required. In this paper, we propose a novel multiple-route protocol MR LBSR (Multiple-Route Loop-Based Source Routing Pro tocol) by which multiple loops including a source mobile computer and a destination one are detected. If a discon nected link is detected in the currently using route, packet transmission is switched to another route and invalid routes are removed from a set of available routes.

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