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Multi-Layer Problems and Solutions in VANETs: A Review

Department of Electronics & Computers, Hanyang University, Seoul 04763, Korea
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Electronics 2019, 8(2), 204; https://doi.org/10.3390/electronics8020204
Received: 13 January 2019 / Revised: 5 February 2019 / Accepted: 6 February 2019 / Published: 11 February 2019
(This article belongs to the Special Issue Vehicular Networks and Communications)
The Dedicated Short Range Communication (DSRC) technology supports the vehicular communications through Vehicle to Vehicle (V2V) and Vehicle to Infrastructure (V2I) Communication, by operating at 5.9 GHz band (U.S. Standard). The Physical (PHY) and Medium Access Control (MAC) Layer are defined by the IEEE 802.11p, while the IEEE 1609 family of standards define the Wireless Access in Vehicular Environment (WAVE); a suite of communication and security standards in the Vehicular Area Networks (VANETs). There has been a lot of research regarding several challenges in VANETs, from spectrum utilization to multichannel operation and from routing to security issues. The aim of all is to improve the performance of the network and support scalability in VANETs; which is defined as the ability of the network to handle the addition of vehicles (nodes) without suffering noticeable degradation of performance or administrative overhead. In this paper, we aim to highlight multilayer challenges concerning the performance of the VANETs, the already proposed solutions, and the possible future work. View Full-Text
Keywords: DSRC; V2V; V2I; VANET; MAC; WAVE; Carrier Sense Multiple Access (CSMA); Time Division Multiple Access (TDMA); PHY; Self Organized Time Division Multiple Access (STDMA); Cognitive Radios (CR); Vehicle-to-Everything (V2X) DSRC; V2V; V2I; VANET; MAC; WAVE; Carrier Sense Multiple Access (CSMA); Time Division Multiple Access (TDMA); PHY; Self Organized Time Division Multiple Access (STDMA); Cognitive Radios (CR); Vehicle-to-Everything (V2X)
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Khan, U.A.; Lee, S.S. Multi-Layer Problems and Solutions in VANETs: A Review. Electronics 2019, 8, 204.

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