An Effective and Efficient Adaptive Probability Data Dissemination Protocol in VANET

John Sospeter, Di Wu, Saajid Hussain and Tesfanesh Tesfa
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John Sospeter: School of Computer Science and Engineering, Dalian University of Technology, Dalian 116024, China
Di Wu: School of Computer Science and Engineering, Dalian University of Technology, Dalian 116024, China
Saajid Hussain: School of Computer Science and Engineering, Dalian University of Technology, Dalian 116024, China
Tesfanesh Tesfa: School of Computer Science and Engineering, Dalian University of Technology, Dalian 116024, China

Data, 2018, vol. 4, issue 1, 1-22

Abstract: Mobile network topology changes dynamically over time because of the high velocity of vehicles. Therefore, the concept of the data dissemination scheme in a VANET environment has become an issue of debate for many research scientists. The main purpose of VANET is to ensure passenger safety application by considering the critical emergency message. The design of the message dissemination protocol should take into consideration effective data dissemination to provide a high packet data ratio and low end-to-end delay by using network resources at a minimal level. In this paper, an effective and efficient adaptive probability data dissemination protocol (EEAPD) is proposed. EEAPD comprises a delay scheme and probabilistic approach. The redundancy ratio ( r ) metric is used to explain the correlation between road segments and vehicles’ density in rebroadcast probability decisions. The uniqueness of the EEAPD protocol comes from taking into account the number of road segments to decide which nodes are suitable for rebroadcasting the emergency message. The last road segment is considered in the transmission range because of the probability of it having small vehicle density. From simulation results, the proposed protocol provides a better high-packet delivery ratio and low-packet drop ratio by providing better use of the network resource within low end-to-end delay. This protocol is designed for only V2V communication by considering a beaconless strategy. the simulations in this study were conducted using Ns-3.26 and traffic simulator called “SUMO”.

Keywords: data dissemination; road segments; vehicles’ density; safety message application; broadcast storm problem (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2018
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