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车载自组织网络中RSU协调的多信道MAC协议

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Indexed by:期刊论文

Date of Publication:2018-11-25

Journal:通信学报

Volume:39

Issue:11

Page Number:10-22

ISSN No.:1000-436X

Key Words:车载自组织网;多信道MAC;路侧单元;吞吐量与时延;信道利用率;同时传输

Abstract:提出了一种车载自组织网络中路侧单元(RSU,road side unit)协调的多信道MAC (RMM,RSU-coordinated multichannel MAC)协议,以支持非安全(如运输效率、娱乐应用等)消息的高效传输.在路侧单元的协调下,节点有更多机会在控制信道上进行预约,以实现服务信道上无竞争的传输.同时,RMM协议支持在整个同步间隔内传输服务分组,从而提高了服务信道的饱和吞吐量和利用率,并减少了时延.与现有的其他协议相比,仿真结果证实了所提协议的优越性.

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