Channel Fading Detection in Manets with Hand off Strategy
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2013, Vol 14, Issue 1
Abstract
In wireless mobile ad hoc networks (MANETs), packet transmission is impaired by radio link fluctuations. This paper proposes a novel channel adaptive routing protocol which extends the Ad hoc OnDemand Multipath Distance Vector (AOMDV) routingprotocol to accommodate channel fading. Specifically, the proposed Channel-Aware AOMDV (CA-AOMDV) uses the channel averagenonfading duration as a routing metric to select stable links for path discovery, and applies a preemptive handoff strategy to maintainreliable connections by exploiting channel state information. Using the same information, paths can be reused when they become available again, rather than being discarded. We provide new theoretical results for the downtime and lifetime of a live-die-live multiplepath system, as well as detailed theoretical expressions for common networkperformance measures, providing useful insights into thedifferences in performance between CA-AOMDV and AOMDV. Simu
Authors and Affiliations
G. Vani Prasanna
Keywords
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