Open Access Journal

ISSN : 2394-2320 (Online)

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

Open Access Journal

International Journal of Engineering Research in Computer Science and Engineering (IJERCSE)

Monthly Journal for Computer Science and Engineering

ISSN : 2394-2320 (Online)

Call For Paper : Vol. 9, Issue 5 , 2022
Prioritized and on Time Safety Critical Message Transmission in VANET

Author : D.Raveena Reddy 1 K.M.Sushma 2 Yaram Sai Harshini 3 S.Sowmiyaa 4 Dr. N.Gangatharan 5

Date of Publication :7th March 2016

Abstract: Vehicular Ad hoc Network (VANET) is a wireless network, consisting group of vehicles. Vehicles equipped with a wave communication device can establish the wireless communication among them. Vehicular ad-hoc networks provide the communication framework for the dissemination of safety-critical messages such as beacons and emergency messages. Under highdensity situations, it leads to a serious scalability problem in VANETs. Congestion in the communication channel results in packet drops, throughput reduction and degradation of channel quality. So, congestion control schemes are necessary to regulate the traffic level at an acceptable level. Proposed system can reserve time slots by dynamically partitioning the beacon interval without the expense of beacons. Dynamic time slots ensure fast and reliable propagation of emergency messages by employing a pulsebased reservation mechanism. Adaptive beacon broadcast overcomes the problem of periodic beacons broadcast that incurs high overhead and congestion in the network. Prioritized On time safety message transmission reduces the congestion in the network and emergency messages are easily transmitted without any delay. Performance of the proposed system is evaluated by delay, throughput, and packet delivery ratio.

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