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Title:
A concurrent transmission enabled cooperative MAC protocol for Vehicular Ad Hoc Networks
Author: Zhang, Lifeng (1) ; Jin, Beihong (1) ; Cui, Yanling (1)
Conference Name: 22nd IEEE International Symposium of Quality of Service, IWQoS 2014
Conference Date: May 26, 2014 - May 27, 2014
Issued Date: 2014
Conference Place: Hong Kong, Hong kong
Corresponding Author: Zhang, Lifeng
Publish Place: Institute of Electrical and Electronics Engineers Inc.
Indexed Type: EI
ISSN: 1548615X
ISBN: 9781479948529
Department: (1) State Key Laboratory of Computer Science, Institute of Software, Chinese Academy of Sciences, China; (2) University of Chinese Academy of Sciences, China
Abstract: In the infotainment applications over Vehicular Ad Hoc Networks(VANETs), the Roadside Units (RSUs) often play the roles of data switching centers. However, the RSUs tend to be the bottlenecks in the data dissemination because of the limited channel bandwidth and heavy traffic loads. In order to improve the throughput of the RSUs, we devise a new MAC protocol Mizar from a cross-layer design perspective. Mizar concentrates on improving the spatio-temporal efficiency in disseminating data from an RSU to the moving vehicles. Leveraging the space diversity of wireless signals, Mizar increases the channel utilization by the cooperative transmission. Moreover, motivated by the location distribution characteristics of the vehicles, Mizar seeks to catch the concurrent transmission opportunities generated in the process of the cooperative communication. It is shown from the experimental results that Mizar can increase the throughput and decrease the transmission delay significantly in comparison with the fixed data rate scheme of IEEE 802.11p, the variable data rate scheme and the cooperative transmission scheme in Mizar.
English Abstract: In the infotainment applications over Vehicular Ad Hoc Networks(VANETs), the Roadside Units (RSUs) often play the roles of data switching centers. However, the RSUs tend to be the bottlenecks in the data dissemination because of the limited channel bandwidth and heavy traffic loads. In order to improve the throughput of the RSUs, we devise a new MAC protocol Mizar from a cross-layer design perspective. Mizar concentrates on improving the spatio-temporal efficiency in disseminating data from an RSU to the moving vehicles. Leveraging the space diversity of wireless signals, Mizar increases the channel utilization by the cooperative transmission. Moreover, motivated by the location distribution characteristics of the vehicles, Mizar seeks to catch the concurrent transmission opportunities generated in the process of the cooperative communication. It is shown from the experimental results that Mizar can increase the throughput and decrease the transmission delay significantly in comparison with the fixed data rate scheme of IEEE 802.11p, the variable data rate scheme and the cooperative transmission scheme in Mizar.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/16615
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Zhang, Lifeng ,Jin, Beihong ,Cui, Yanling . A concurrent transmission enabled cooperative MAC protocol for Vehicular Ad Hoc Networks[C]. 见:22nd IEEE International Symposium of Quality of Service, IWQoS 2014. Hong Kong, Hong kong. May 26, 2014 - May 27, 2014.
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