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dc.contributor.authorHuang, Longbo
dc.contributor.authorModiano, Eytan H.
dc.date.accessioned2015-12-17T13:10:56Z
dc.date.available2015-12-17T13:10:56Z
dc.date.issued2015-06
dc.identifier.isbn978-1-4673-7704-1
dc.identifier.urihttp://hdl.handle.net/1721.1/100411
dc.description.abstractWe consider the age-of-information in a multi-class M/G/1 queueing system, where each class generates packets containing status information. Age of information is a relatively new metric that measures the amount of time that elapsed between status updates, thus accounting for both the queueing delay and the delay between packet generation. This gives rise to a tradeoff between frequency of status updates, and queueing delay. In this paper, we study this tradeoff in a system with heterogenous users modeled as a multi-class M/G/1 queue. To this end, we derive the exact peak age-of-Information (PAoI) profile of the system, which measures the “freshness” of the status information. We then seek to optimize the age of information, by formulating the problem using quasiconvex optimization, and obtain structural properties of the optimal solution.en_US
dc.description.sponsorshipNational Basic Research Program of China (973 Program) (Grant 2011CBA00300)en_US
dc.description.sponsorshipNational Basic Research Program of China (973 Program) (Grant 2011CBA00301)en_US
dc.description.sponsorshipNational Natural Science Foundation (China) (Grant 61033001)en_US
dc.description.sponsorshipNational Natural Science Foundation (China) (Grant 61361136003)en_US
dc.description.sponsorshipNational Natural Science Foundation (China) (Grant 61303195)en_US
dc.description.sponsorshipTsinghua University (Beijing, China) (Initiative Research Grant)en_US
dc.description.sponsorshipChina Youth 1000-talent Granten_US
dc.description.sponsorshipNational Science Foundation (U.S.) (Grant CNS-1217048)en_US
dc.description.sponsorshipUnited States. Office of Naval Research (N00014-12-1-0064)en_US
dc.language.isoen_US
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/ISIT.2015.7282742en_US
dc.rightsCreative Commons Attribution-Noncommercial-Share Alikeen_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-sa/4.0/en_US
dc.sourceProf. Modiano via Barbara Williamsen_US
dc.titleOptimizing age-of-information in a multi-class queueing systemen_US
dc.typeArticleen_US
dc.identifier.citationHuang, Longbo, and Eytan Modiano. “Optimizing Age-of-Information in a Multi-Class Queueing System,” 1681–85. IEEE, 2015.en_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Aeronautics and Astronauticsen_US
dc.contributor.mitauthorModiano, Eytan H.en_US
dc.relation.journalProceedings of the 2015 IEEE International Symposium on Information Theory (ISIT)en_US
dc.eprint.versionAuthor's final manuscripten_US
dc.type.urihttp://purl.org/eprint/type/ConferencePaperen_US
eprint.statushttp://purl.org/eprint/status/NonPeerRevieweden_US
dspace.orderedauthorsHuang, Longbo; Modiano, Eytanen_US
dc.identifier.orcidhttps://orcid.org/0000-0001-8238-8130
mit.licenseOPEN_ACCESS_POLICYen_US
mit.metadata.statusComplete


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