Spatial coordinated medium sharing: Optimal access control management in drive-thru internet

Zhou, Haibo, Liu, Bo, Hou, Fen, Luan, Tom H., Zhang, Ning, Gui, Lin, Yu, Quan and Shen, Xuemin Sherman 2015, Spatial coordinated medium sharing: Optimal access control management in drive-thru internet, IEEE transactions on intelligent transportation systems, vol. 16, no. 5, pp. 2673-2686, doi: 10.1109/TITS.2015.2416257.

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Title Spatial coordinated medium sharing: Optimal access control management in drive-thru internet
Author(s) Zhou, Haibo
Liu, Bo
Hou, Fen
Luan, Tom H.
Zhang, Ning
Gui, Lin
Yu, Quan
Shen, Xuemin Sherman
Journal name IEEE transactions on intelligent transportation systems
Volume number 16
Issue number 5
Start page 2673
End page 2686
Total pages 14
Publisher IEEE
Place of publication Piscataway, N.J.
Publication date 2015
ISSN 1524-9050
Keyword(s) Drive-thru
Saturated throughput
Spatial coordination
Summary 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.
Language eng
DOI 10.1109/TITS.2015.2416257
Field of Research 0905 Civil Engineering
1507 Transportation And Freight Services
0801 Artificial Intelligence And Image Processing
080503 Networking and Communications
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, IEEE
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