Cluster Based Message Dissemination for Broadcasting the Emergency/Warning Messages using a Novel Scheduling in VANETS
Journal Title: International Journal on Computer Science and Engineering - Year 2011, Vol 3, Issue 1
Abstract
Vehicular ad hoc networks are a special case of mobile ad hoc networks (MANETs). Unlike MANETs, VANET nodes are moving very fast. It becomes quite challenging to maintain a stable path for broadcasting Emergency and Warning (E/ W) messages from a risk zone. So routing takes an important role in VANETs. Reducing network overhead, avoiding network congestion, traffic congestion and increasing packet delivery ratio are the major issues of routing in VANETs. So it is essential to broadcast the risk notification (RN) messages such as accident and injury prevention messages, congestion control messages, road condition and other emergency/ warning messages in time to the rear vehicles. In this paper we propose a novel approach to categorize the messages and to give priority for the E/ W messages using a scheduling algorithm. The neighboring vehicles broadcast the RN messages from the risk zone using inter- zone clusters and intra- zone clusters communication to the rear vehicle by applying the proposed scheduling algorithm. Our simulation results show that this approach performs well and produce less network overhead, congestion control and high packet delivery ratio. We compared our approach with the existing protocol.
Authors and Affiliations
M. A. Berlin , S. Muthu Sundari
Keywords
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