Distributed Multi-Channel MAC Protocol for VANET: An Adaptive Frame Structure Scheme
Distributed Multi-Channel MAC Protocol for VANET: An Adaptive Frame Structure Scheme
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VANET分布式多通道MAC协议：一种自适应帧结构方案
DOI：
10.1109/access.2019.2892820
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发表时间：
2019-01
期刊：
影响因子：
3.9
通讯作者：
Tang Yuliang
中科院分区：
文献类型：
--
作者：
Lin Zhiping;Tang Yuliang
车载自组织网络(VANET)的媒体访问控制(MAC)层被设计为提供快速可靠的车辆到车辆(V2V)或车辆到基础设施(V2I)的接入。随着自动驾驶和智能交通的发展，大型车辆中的许多传感器信息都需要使用V2V和V2I技术进行高效可靠的传输。近年来，车载自组网对各种业务的需求迅速增长，这对MAC协议的设计提出了很大的挑战。一种自适应的信道帧结构方案可以增强信道接入的灵活性，以应对车载环境中不断变化的网络拓扑。本文在控制信道和业务信道上采用自适应帧方案，主要从两个方面提高了信道接入性能：在保证车辆能够快速接入控制信道的同时，尽可能提高广播时段的时隙利用率；在不产生过大开销的情况下提高业务信道的吞吐量。分析和仿真结果验证了该机制的性能。
The media access control (MAC) layer of the vehicular ad-hoc network (VANET) is designed 3 to provide fast and reliable vehicles to vehicles (V2V) or vehicles to infrastructures (V2I) access. With the development of autonomous driving and intelligent transportation, many sensor information in large-scale vehicles require efficient and reliable transmission with V2V and V2I technologies. In recent years, the demand for various services in VANETs is growing rapidly, which poses great challenges to the design of the MAC protocol. An adaptive scheme for channel frame structure can enhance channel access flexibility to cope with the changing network topologies in vehicular environments. In this paper, we adopt an adaptive frame scheme on the control channel and the service channels, which mainly improves two aspects of channel access performance: improved time slot utilization of the broadcasting period as much as possible while ensuring the vehicle can access the control channel quickly; and increasing the throughput of the service channels without generating excessive overhead. Analysis and simulation results demonstrate the performance of the proposed mechanism.
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影响因子：
10.6
作者：
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通讯作者：
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DOI：
10.1109/wcnc.2010.5506242
发表时间：
2010-04
期刊：
2010 IEEE Wireless Communication and Networking Conference
影响因子：
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作者：
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DOI：
10.1007/978-981-10-3503-6_1
发表时间：
2017
期刊：
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影响因子：
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作者：
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通讯作者：
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DOI：
10.1016/s0096-3003(98)00039-3
发表时间：
1999-06
期刊：
Appl. Math. Comput.
影响因子：
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通讯作者：
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