Age of information of multi-source systems with packet management

dc.contributor.authorTang, Zhifeng
dc.contributor.authorSun, Zhuo
dc.contributor.authorYang, Nan
dc.contributor.authorZhou, Xiangyun
dc.coverage.spatialDublin
dc.date.accessioned2024-01-23T00:23:09Z
dc.date.createdJune 7-11 2020
dc.date.issued2020
dc.date.updated2022-10-02T07:17:02Z
dc.description.abstractIn this paper, we propose a new transmission scheme in the multi-source system to improve the freshness of the received packets. In our proposed scheme, each source generates its packet through an independent and identical Bernoulli process at the beginning of each time slot, and then randomly selects one channel from multiple orthogonal frequency channels to perform repeat transmission of its packet across multiple time slots. We then analyze the average age of information (AoI) to characterize the freshness of the received packets. Specifically, we derive new closed-form expressions for the average AoI achieved by the proposed transmission scheme for three packet management policies. The simulation results corroborate our analysis and demonstrate that the proposed transmission scheme can achieve a lower average AoI than the existing scheme for the three considered packet management policies. In addition, the impact of system parameters, such as the packet generation probability, the numbers of time slots and orthogonal frequency channels, and the channel error probability, on the average AoI is examined.en_AU
dc.description.sponsorshipThis work was funded by the Australian Research Council Discovery Project DP180104062.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.isbn978-172817440-2en_AU
dc.identifier.urihttp://hdl.handle.net/1885/311755
dc.language.isoen_AUen_AU
dc.publisherIEEEen_AU
dc.relationhttp://purl.org/au-research/grants/arc/DP180104062en_AU
dc.relation.ispartofseries2020 IEEE International Conference on Communications Workshops, ICC Workshops 2020en_AU
dc.rights© 2020 IEEEen_AU
dc.source2020 IEEE International Conference on Communications Workshops, ICC Workshops 2020en_AU
dc.subjectAge of informationen_AU
dc.subjectmultiple accessen_AU
dc.subjectradio resource managementen_AU
dc.subjectschedulingen_AU
dc.titleAge of information of multi-source systems with packet managementen_AU
dc.typeConference paperen_AU
local.bibliographicCitation.lastpage6en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationTang, Zhifeng, College of Engineering and Computer Science, ANUen_AU
local.contributor.affiliationSun, Zhuo, College of Engineering and Computer Science, ANUen_AU
local.contributor.affiliationYang, Nan, College of Engineering and Computer Science, ANUen_AU
local.contributor.affiliationZhou, Xiangyun, College of Engineering and Computer Science, ANUen_AU
local.contributor.authoremailu5549237@anu.edu.auen_AU
local.contributor.authoruidTang, Zhifeng, u6027104en_AU
local.contributor.authoruidSun, Zhuo, u1079476en_AU
local.contributor.authoruidYang, Nan, u5549237en_AU
local.contributor.authoruidZhou, Xiangyun, u2586105en_AU
local.description.embargo2099-12-31
local.description.notesImported from ARIESen_AU
local.description.refereedYes
local.identifier.absfor400608 - Wireless communication systems and technologies (incl. microwave and millimetrewave)en_AU
local.identifier.ariespublicationa383154xPUB13973en_AU
local.identifier.doi10.1109/ICCWorkshops49005.2020.9145326en_AU
local.identifier.scopusID2-s2.0-85090278856
local.identifier.uidSubmittedBya383154en_AU
local.publisher.urlhttps://ieeexplore.ieee.org/en_AU
local.type.statusPublished Versionen_AU

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