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Optimal Rate-Adaptive Data Dissemination in Vehicular Platoons

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dc.contributor.authorLi, Kai
dc.contributor.authorNi, Wei
dc.contributor.authorTovar, Eduardo
dc.contributor.authorGuizani, Mohsen
dc.date.accessioned2020-10-20T08:23:37Z
dc.date.embargo2119
dc.date.issued2020
dc.description.abstractIn intelligent transportation systems, wireless connected vehicles moving in platoons can improve roads’ throughput. For managing driving status of the platoon, a lead vehicle transmits driving information to following autonomous vehicles by using multi-hop data dissemination. We study a novel data dissemination protocol which investigates a chain-based transmit rate control to reduce data dissemination latency. The optimal resource allocation algorithm is formulated to minimize the total dissemination latency of the platoon under guaranteed bit error rates, and can be judiciously reformulated and solved using standard optimization techniques. A novel dynamic programming algorithm is presented to solve the platooning resource allocation optimization, which uses backward induction to significantly reduce the resource allocation complexity. In addition, we interpret the vehicular platoon as one-dimensional Markov chain, and derive a closed form of dissemination latency. Simulations are carried out to evaluate the performance of the proposed dynamic programming algorithm. The numerical results show that our algorithm achieves optimal solutions with cutting off the complexity by orders of magnitude, while improving dissemination rate in the vehicular platoon.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1109/TITS.2019.2939292pt_PT
dc.identifier.issn1558-0016
dc.identifier.urihttp://hdl.handle.net/10400.22/16330
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherIEEEpt_PT
dc.relationSafe Cooperating Cyber-Physical Systems using Wireless Communication
dc.relation.publisherversionhttps://ieeexplore.ieee.org/document/8844775pt_PT
dc.subjectVehicular platoonpt_PT
dc.subjectData disseminationpt_PT
dc.subjectLatencypt_PT
dc.subjectTransmit ratept_PT
dc.subjectDynamic programmingpt_PT
dc.titleOptimal Rate-Adaptive Data Dissemination in Vehicular Platoonspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleSafe Cooperating Cyber-Physical Systems using Wireless Communication
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/692529/EU
oaire.citation.endPage4251pt_PT
oaire.citation.issue10pt_PT
oaire.citation.startPage4241pt_PT
oaire.citation.titleIEEE Transactions on Intelligent Transportation Systemspt_PT
oaire.citation.volume21pt_PT
oaire.fundingStreamH2020
person.familyNameTovar
person.givenNameEduardo
person.identifier.ciencia-id6017-8881-11E8
person.identifier.orcid0000-0001-8979-3876
person.identifier.scopus-author-id7006312557
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication80b63d8a-2e6d-484e-af3c-55849d0cb65e
relation.isAuthorOfPublication.latestForDiscovery80b63d8a-2e6d-484e-af3c-55849d0cb65e
relation.isProjectOfPublication0e1a14eb-d2a6-4088-889f-27dfc0fa61b2
relation.isProjectOfPublication.latestForDiscovery0e1a14eb-d2a6-4088-889f-27dfc0fa61b2

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