标题：A service channel assignment scheme for IEEE 802.11p vehicular ad hoc network
作者：Zhang, Yao ;Yang, Licai ;Liu, Haiqing ;Wu, Lei
作者机构：[Zhang, Yao ;Yang, Licai ;Liu, Haiqing ;Wu, Lei ] School of Control Science and Engineering, Shandong University, Jinan 250061, China;[Zhang, Yao ] Sc 更多
会议名称：3rd International Conference on Computer Engineering and Network, CENet 2013
会议日期：20 July 2013 through 21 July 2013
来源：Lecture Notes in Electrical Engineering
摘要：IEEE 802.11p vehicular ad hoc network (VANET) applies multiple channels, including one control channel (CCH) and six service channels (SCHs); the enhanced distributor channel access (EDCA) mechanism is used to support wireless channel assignment and QoS requirements. But the method of SCH assignment is not proposed in IEEE 802.11p standard. We present a scheme to perform SCH assigning, previous transmission indicators of service channels are detected dynamically by service channel assignment controller set in medium access control (MAC) layer, service packets would be delivered into suitable SCH and EDCA access category (AC) queue according to SCH reservation probability and estimated transmission delay. Saturated throughput of our scheme in SCH is analyzed by theoretical model in different conditions; the results show that it can ensure higher SCH utilization and is an efficient way to improve performance of intelligent transportation system. © 2014 Springer International Publishing Switzerland.