Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network

The dynamic network topology of the Vehicular Ad Hoc Network (VANET) directly affects network performances. The VanetMobiSim software was used to study the dynamic topology of VANET in detail. A time-varying model of VANET was built. First, the information transmission model of VANET was established...

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Autores principales:	Hong Zhang, Li Wei
Formato:	article
Lenguaje:	EN
Publicado:	AIP Publishing LLC 2021
Materias:	Physics QC1-999
Acceso en línea:	https://doaj.org/article/5a30dcfecf644d9b9c8009e89c59e875
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id	oai:doaj.org-article:5a30dcfecf644d9b9c8009e89c59e875
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spelling	oai:doaj.org-article:5a30dcfecf644d9b9c8009e89c59e8752021-12-01T18:52:06ZTopology characteristic analysis of vehicular ad hoc network based on time-varying complex network2158-322610.1063/5.0067357https://doaj.org/article/5a30dcfecf644d9b9c8009e89c59e8752021-11-01T00:00:00Zhttp://dx.doi.org/10.1063/5.0067357https://doaj.org/toc/2158-3226The dynamic network topology of the Vehicular Ad Hoc Network (VANET) directly affects network performances. The VanetMobiSim software was used to study the dynamic topology of VANET in detail. A time-varying model of VANET was built. First, the information transmission model of VANET was established on the basis of the time-varying network theory. The evolution of VANET characteristic parameters in a time-varying process was stimulated by using the information transmission time τ and the maximum tolerated delay time δ accessibility graph. Then, we perform mathematical analysis of the relations of (τ, δ) to the out-degrees, average packet accessibility, and asymmetry ratio. Finally, the relations of the node communication radius to the global efficiency and the average harmonic mean of the distances were analyzed. The results indicated that the time-varying accessibility graph made VANET information transmission more efficient; reducing the information transmission time τ or increasing the maximum tolerated delay time δ tends to bring out the improving temporal connectivity of the whole network, thus improving the efficiency of packet transmission.Hong ZhangLi WeiAIP Publishing LLCarticlePhysicsQC1-999ENAIP Advances, Vol 11, Iss 11, Pp 115011-115011-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999
spellingShingle	Physics QC1-999 Hong Zhang Li Wei Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
description	The dynamic network topology of the Vehicular Ad Hoc Network (VANET) directly affects network performances. The VanetMobiSim software was used to study the dynamic topology of VANET in detail. A time-varying model of VANET was built. First, the information transmission model of VANET was established on the basis of the time-varying network theory. The evolution of VANET characteristic parameters in a time-varying process was stimulated by using the information transmission time τ and the maximum tolerated delay time δ accessibility graph. Then, we perform mathematical analysis of the relations of (τ, δ) to the out-degrees, average packet accessibility, and asymmetry ratio. Finally, the relations of the node communication radius to the global efficiency and the average harmonic mean of the distances were analyzed. The results indicated that the time-varying accessibility graph made VANET information transmission more efficient; reducing the information transmission time τ or increasing the maximum tolerated delay time δ tends to bring out the improving temporal connectivity of the whole network, thus improving the efficiency of packet transmission.
format	article
author	Hong Zhang Li Wei
author_facet	Hong Zhang Li Wei
author_sort	Hong Zhang
title	Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
title_short	Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
title_full	Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
title_fullStr	Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
title_full_unstemmed	Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
title_sort	topology characteristic analysis of vehicular ad hoc network based on time-varying complex network
publisher	AIP Publishing LLC
publishDate	2021
url	https://doaj.org/article/5a30dcfecf644d9b9c8009e89c59e875
work_keys_str_mv	AT hongzhang topologycharacteristicanalysisofvehicularadhocnetworkbasedontimevaryingcomplexnetwork AT liwei topologycharacteristicanalysisofvehicularadhocnetworkbasedontimevaryingcomplexnetwork
_version_	1718404693040824320

Topology characteristic analysis of vehicular ad hoc network based on time-varying complex network

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