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Computer Science > Networking and Internet Architecture

arXiv:1811.04580 (cs)
[Submitted on 12 Nov 2018]

Title:Time synchronization in vehicular ad-hoc networks: A survey ontheory and practice

Authors:Khondokar Fida Hasan, Charles Wang, Yanming Feng, Yu-Chu Tian
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Abstract:Time synchronization in communication networks provides a common time frame among all nodes, thussupporting various network functions such as message transmission, channel scheduling and resourcesharing in real-time and in correct order. In vehicular ad-hoc networks (VANETs) for connected andautomated vehicles, network nodes must be synchronized to exchange time-critical vehicle locationsand warning messages for various road safety applications. However, this is challenging as the datacommunication systems need to achieve low latency and high reliability under the conditions ofhigh user dynamics and density. While many synchronization techniques have been developed forgeneral communications networks, it is necessary to understand the requirements for VANET timesynchronization and the applicability of existing time synchronization techniques in VANET this http URL paper provides a survey on theory and practice of time synchronization in VANETs. It addressessome key factors in VANET time synchronization such as requirements analysis, precision, accuracy,availability, scalability and compatibility, and highlights the advantages of Global Navigation SatelliteSystem (GNSS) in VANET time synchronization. Through this survey, some insights are developed intoexisting and emerging protocols for time synchronization in VANETs.
Comments: 13 pages, Vehicular Communications (2018)
Subjects: Networking and Internet Architecture (cs.NI)
Cite as: arXiv:1811.04580 [cs.NI]
  (or arXiv:1811.04580v1 [cs.NI] for this version)
  https://doi.org/10.48550/arXiv.1811.04580
Related DOI: https://doi.org/10.1016/j.vehcom.2018.09.001

Submission history

From: Khondokar Fida Hasan [view email]
[v1] Mon, 12 Nov 2018 06:40:08 UTC (1,329 KB)
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