Spatial Coordinated Medium Sharing: Optimal Access Control Management in Drive-Thru Internet
Zhou H.2; Liu B.2; Hou F.5; Luan T.H.4; Zhang N.1; Gui L.2; Yu Q.3; Shen X.S.2
2015-10-01
Source PublicationIEEE Transactions on Intelligent Transportation Systems
ISSN15249050
Volume16Issue:5Pages:2673-2686
Abstract

Driven by the ever-growing expectation of ubiquitous connectivity and the widespread adoption of IEEE 802.11 networks, it is not only highly demanded but also entirely possible for in-motion vehicles to establish convenient Internet access to roadside WiFi access points (APs) than ever before, which is referred to as Drive-Thru Internet. The performance of Drive-Thru Internet, however, would suffer from the high vehicle mobility, severe channel contentions, and instinct issues of the IEEE 802.11 MAC as it was originally designed for static scenarios. As an effort to address these problems, in this paper, we develop a unified analytical framework to evaluate the performance of Drive-Thru Internet, which can accommodate various vehicular traffic flow states, and to be compatible with IEEE 802.11a/b/g networks with a distributed coordination function (DCF). We first develop the mathematical analysis to evaluate the mean saturated throughput of vehicles and the transmitted data volume of a vehicle per drive-thru. We show that the throughput performance of Drive-Thru Internet can be enhanced by selecting an optimal transmission region within an AP's coverage for the coordinated medium sharing of all vehicles. We then develop a spatial access control management approach accordingly, which ensures the airtime fairness for medium sharing and boosts the throughput performance of Drive-Thru Internet in a practical, efficient, and distributed manner. Simulation results show that our optimal access control management approach can efficiently work in IEEE 802.11b and 802.11g networks. The maximal transmitted data volume per drive-thru can be enhanced by 113.1% and 59.5% for IEEE 802.11b and IEEE 802.11g networks with a DCF, respectively, compared with the normal IEEE 802.11 medium access with a DCF.

KeywordDcf Drive-thru Internet Ieee 802.11 Saturated Throughput Spatial Coordination
DOI10.1109/TITS.2015.2416257
URLView the original
Language英语
WOS Research AreaEngineering ; Transportation
WOS SubjectEngineering, Civil ; Engineering, Electrical & Electronic ; Transportation Science & Technology
WOS IDWOS:000387247200001
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
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Citation statistics
Cited Times [WOS]:21   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.University of Waterloo
2.Shanghai Jiao Tong University
3.Institute of China Electronic System Engineering Corporation
4.Deakin University
5.Universidade de Macau
Recommended Citation
GB/T 7714
Zhou H.,Liu B.,Hou F.,et al. Spatial Coordinated Medium Sharing: Optimal Access Control Management in Drive-Thru Internet[J]. IEEE Transactions on Intelligent Transportation Systems,2015,16(5):2673-2686.
APA Zhou H.,Liu B.,Hou F.,Luan T.H.,Zhang N.,Gui L.,Yu Q.,&Shen X.S..(2015).Spatial Coordinated Medium Sharing: Optimal Access Control Management in Drive-Thru Internet.IEEE Transactions on Intelligent Transportation Systems,16(5),2673-2686.
MLA Zhou H.,et al."Spatial Coordinated Medium Sharing: Optimal Access Control Management in Drive-Thru Internet".IEEE Transactions on Intelligent Transportation Systems 16.5(2015):2673-2686.
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