计算机技术与发展2016，Vol.26Issue(3)：80-84,5.DOI:10.3969/j.issn.1673-629X.2016.03.019
车载网中基于分段与协作的MAC协议
Segmentation and Cooperation Based Media Access Control Protocol in VANETs
摘要
Abstract
Vehicular Ad-hoc NETworks (VANETs) employs contention-based Medium Access Control (MAC). Under high-density situation,it leads to a great number of packet collision,and as a result,the reliability and latency of safety messages are severely affected. A segmentation and cooperation based MAC protocol in VANETs is proposed. It first introduces a road segmentation strategy,then the se-lected segment header is responsible to decide slots allocation which is used to transmit safety message by every car. Finally,helpers are selected to forward the packet to nodes that don’ t receive the packet in idle slots. The protocol can help to improve safety message’ s transmission reliability and reduce transmission delay.关键词
车载自组织网络/协作/安全消息/介质访问控制协议Key words
VANETs/cooperation/safety message/MAC分类
信息技术与安全科学引用本文复制引用
于明鹭,刘南杰,赵海涛..车载网中基于分段与协作的MAC协议[J].计算机技术与发展,2016,26(3):80-84,5.基金项目
国家“973”重点基础研究发展计划项目(2013CB329005) （2013CB329005）
国家自然科学基金资助项目(61302100) （61302100）
教育部博士点基金资助项目(20133223120002) （20133223120002）
南京邮电大学科研基金(NY211006) （NY211006）
