Implementation of Active Relay Node for Efficient Path Planning In Intelligent VANET Communication System
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 4
Abstract
Vehicular Ad hoc Networks (VANET) consists of radio-equipped vehicles and roadside units (RSU) and support many safety and commercial applications. Multi-hop forwarding can extend the communication range of both RSUs and vehicular broadcasts. Recently, the use of relay node selection as transmission patterns of repetition-based broadcast medium access control (MAC) for safety messages has been proposed. This thesis proposes a cooperative forwarding protocol in which multiple relays at each forwarding hop form a virtual relay and coordinate their transmission times to correspond to a relay node selection. The protocol thereby exploits spatial diversity while conforming to the relay node selection -based MAC, resulting in fewer collisions and mitigating the effect of hidden terminals. The design is validated through NS2 simulations, which show comparable performance with other forwarding schemes while producing significantly less performance degradation for safety message broadcasts on the same channel.
Authors and Affiliations
P. Kalaiselvi, C. Aswin, M. Manoj Kumar, M. Preetha
Keywords
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