An Interference-Free Graph Based TDMA Scheduling Protocol for Vehicular Ad-Hoc Networks
Zhu, Yanyan1,2,5; Zhang, Rongqing4; Cheng, Xiang3; Yang, Liuqing2,4
2017
会议名称2017 IEEE 85th Vehicular Technology Conference
会议日期4-7 June, 2017
会议地点Sydney, Australia
摘要

Vehicular ad-hoc networks (VANETs), as an important component of intelligent transportation systems (ITS), have been attracting more and more research interests for their various promising applications. Although various MAC protocols have been proposed, efficient medium access remains a significant challenge in VANETs, especially in improving the network throughput in heavy traffic vehicular networks. In this paper, we propose an interference-free graph based time division

multiple access (IG-TDMA) protocol for VANETs. In the proposed protocol, roadside units (RSUs), as centralized controllers, collect the information from active vehicles and construct the interference-free graph based on the vehicle locations and a preset interference-free threshold. We further propose a communication link selection algorithm, which can help the RSUs

make efficient and effective scheduling decisions with high spatial reuse efficiency and low computational complexity. Simulations verify that the proposed IG-TDMA protocol can improve the network performance significantly compared with the IEEE 802.11p CSMA/CA based EDCA scheme and traditional TDMA protocol.

关键词Vehicular Ad-hoc Networks (Vanets) Time Division Multiple Access (Tdma) Interference-free Graph
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/14499
专题复杂系统管理与控制国家重点实验室_先进控制与自动化
作者单位1.The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
2.Qingdao Academy of Intelligent Industries, Qingdao, Shandong Province 266109, China
3.State Key Laboratory of Advanced Optical Communication Systems & Networks, Peking University, Beijing 100871, China
4.Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, CO 80523, USA
5.University of Chinese Academy of Sciences, Beijing 100049, China
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Zhu, Yanyan,Zhang, Rongqing,Cheng, Xiang,et al. An Interference-Free Graph Based TDMA Scheduling Protocol for Vehicular Ad-Hoc Networks[C],2017.
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