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A comprehensive survey of network coding in vehicular ad-hoc networks
Jamil F., Javaid A., Umer T., Rehmani M. Wireless Networks23 (8):2395-2414,2017.Type:Article
Date Reviewed: Apr 12 2018

This paper is a survey about using network coding (NC: dataflow optimization by transmitting a composite of multiple messages [1]) for vehicular ad-hoc networks (VANETs [2]). Overviews of NC and VANETs are provided, and different NC implementations in VANET applications are presented.

The intended audience includes those interested in wireless networks. The presentation is made at the development/operations (DevOps) level.

NC is presented in relation to transmission control protocol/Internet protocol (TCP/IP), with an emphasis on physical-layer network coding.

VANETs are wireless networks in which vehicles communicate among themselves and also with roadside units. The paper presents three topology scenarios (urban/rural/highway), various patterns in mobility and channel modeling, categories of routing, and categories of applications (safety/nonsafety related).

The bulk of the paper is dedicated to techniques in implementing NC in VANETs. Each technique addresses challenges in a specific VANET environment. For broadcasting applications (needing fast delivery), two approaches are presented: dedicated short-range communications and medium access control for vehicular physical-layer NC. Content distribution applications (file/multimedia sharing) use data-mulling, code-on, code-torrent, rank-based/relay-and-random NC, and weak-secrecy scheme. Several techniques aim to overcome routing challenges: less-tolerant scheme for unicast routing, network-coding-based-multicast routing, and ad-hoc on-demand distance vector for multicast routing. Multihop broadcasting uses fuzzy logic or interflow/intraflow NC. For multimedia streaming applications, four strategies are presented: fuzzy/redundancy adaptation, emergency-related video streaming, code play, and multistream coding.

Each technique is explained briefly and is related to specific categories of applications; advantages and issues are highlighted. A solid reference section completes the paper.

Reviewer:  Pierre Radulescu-Banu Review #: CR145971 (1806-0311)
1) Ho, T.; Lun, D. S. Network coding: an introduction. Cambridge University Press, Cambridge, UK, 2008.
2) Khan, M. A.; Zia, T.; Zheng, L. Vehicular ad-hoc networks (VANETs) – an overview and challenges. EURASIP Journal on Wireless Communications and Networking 3, 3(2013), 29–38.
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Network Architecture And Design (C.2.1 )
 
 
Sensor Networks (C.2.1 ... )
 
 
Introductory And Survey (A.1 )
 
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