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access icon free Link quality-based cache replacement technique in mobile ad hoc network

In mobile ad hoc network (MANET) routing protocols such as dynamic source routing, each node consist of route cache, in which routes to multiple destinations are indexed orderly. Since, route cache is capable of storing many routes it should be maintained periodically to its consistency and reliability. In this study, the authors put forward a link quality-based cache replacement technique in MANET. In this technique, the source obtains multiple paths to the destination through multipath routing. The acquired paths are stored in route cache. The cache replacement technique estimates the link quality using Received Signal Strength (RSS) value. Links that possess low RSS value are removed from the route cache. Concurrently, the route cache table is maintained periodically by each node using its timestamp value. The authors validate the efficiency of cache replacement technique through simulation results. The technique maintains the route cache proficiently and improves the throughput of the system.

http://iet.metastore.ingenta.com/content/journals/10.1049/iet-ifs.2012.0244
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content/journals/10.1049/iet-ifs.2012.0244
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