Improvement of polling and scheduling scheme for real-time transmission with HCCA of IEEE 802.11p protocol

doi:10.1016/S1005-8885(13)60050-3

Acta Metallurgica Sinica(English letters) ›› 2013, Vol. 20 ›› Issue (3): 60-66.doi: 10.1016/S1005-8885(13)60050-3

Improvement of polling and scheduling scheme for real-time transmission with HCCA of IEEE 802.11p protocol

张冰¹,马懋德²,刘春凤¹,舒炎泰¹

1. School of Computer Science and Technology, Tianjin University, Tianjin 300072, China 2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore

收稿日期:2012-11-28 修回日期:2013-03-05 出版日期:2013-06-30 发布日期:2013-06-26
通讯作者: 马懋德 E-mail:emdma@ntu.edu.sg
基金资助:
This work was supported by the National Natural Science Foundation of China (61072063, NSFC-11-01-01).

Improvement of polling and scheduling scheme for real-time transmission with HCCA of IEEE 802.11p protocol

1. School of Computer Science and Technology, Tianjin University, Tianjin 300072, China 2. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore

Received:2012-11-28 Revised:2013-03-05 Online:2013-06-30 Published:2013-06-26
Contact: Maode Ma E-mail:emdma@ntu.edu.sg
Supported by:
This work was supported by the National Natural Science Foundation of China (61072063, NSFC-11-01-01).

摘要/Abstract

摘要：

This paper addresses the issue of real-time data transmission in vehicles to roadside (V2R) environment by the hybrid coordination function (HCF) of controlled channel access (HCCA) specified by the IEEE 802.11p standard. HCCA is one of the medium access mechanisms in the IEEE 802.11 standard, and uses the polling scheme similar to the point coordination function (PCF) to provide reliable quality of service (QoS), which may cause resource overshooting and high time consuming. This paper tries to improve the performance of the HCCA polling scheme and designs new data transmission scheduling scheme. The simulation results of the proposal are compared with those of the standard strategy. Simulation results demonstrate that the improved HCCA has lower delay, loss rate, and higher throughput than those of the standard one.

关键词:

IEEE 802.11p, HCCA, V2R, polling, scheduling

Abstract:

Key words:

IEEE 802.11p, HCCA, V2R, polling, scheduling

ZHANG Bing, MA Mao-de , LIU Chun-feng, SHU Yan-tai. Improvement of polling and scheduling scheme for real-time transmission with HCCA of IEEE 802.11p protocol[J]. Acta Metallurgica Sinica(English letters), 2013, 20(3): 60-66.

参考文献

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Improvement of polling and scheduling scheme for real-time transmission with HCCA of IEEE 802.11p protocol

Improvement of polling and scheduling scheme for real-time transmission with HCCA of IEEE 802.11p protocol

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