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dc.contributor.authorChang, Chung-Juen_US
dc.contributor.authorCheng, Ray-Guangen_US
dc.contributor.authorShih, Hao-Tangen_US
dc.contributor.authorChen, Yih-Shenen_US
dc.date.accessioned2014-12-08T15:13:51Z-
dc.date.available2014-12-08T15:13:51Z-
dc.date.issued2007-06-01en_US
dc.identifier.issn1524-9050en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TITS.2006.889440en_US
dc.identifier.urihttp://hdl.handle.net/11536/10705-
dc.description.abstractThis paper proposes a maximum freedom last (MFL) scheduling algorithm for downlinks, from the roadside unit to the onboard unit (OBU), of dedicated short-range communication networks in intelligent transportation systems, to minimize the system handoff rate under the maximum tolerable delay constraint. The MFL scheduling algorithm schedules the service ordering of OBUs according to their degree of freedom, which is determined by factors such as remaining dwell time of service channel, remaining transmission time, queueing delay, and maximum tolerable delay. The algorithm gives the smallest chance of service to the OBU with the largest remaining dwell time, the smallest remaining transmission time, and the largest weighting factor, which is a function of the queueing delay and the maximum tolerable delay. Simulation results show that the MFL scheduling algorithm outperforms the traditional first-come-first-serve and earliest-deadline-first methods in terms of service failure and system handoff rates.en_US
dc.language.isoen_USen_US
dc.subjectdedicated short-range communication (DSRC)en_US
dc.subjectintelligent transportation system (ITS)en_US
dc.subjectschedulingen_US
dc.titleMaximum freedom last scheduling algorithm for downlinks of DSRC networksen_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TITS.2006.889440en_US
dc.identifier.journalIEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMSen_US
dc.citation.volume8en_US
dc.citation.issue2en_US
dc.citation.spage223en_US
dc.citation.epage232en_US
dc.contributor.department電信工程研究所zh_TW
dc.contributor.departmentInstitute of Communications Engineeringen_US
dc.identifier.wosnumberWOS:000247106700006-
dc.citation.woscount11-
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