Journal of Guangxi Normal University(Natural Science Edition) ›› 2011, Vol. 29 ›› Issue (4): 49-55.

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A TCP Congestion Control Mechanism Based on Cross-layer Design in Vehicular Communication Network

WANG Zhao-ran, XIE Xian-zhong, ZHAO Ding-xin   

  1. Institute of Broadband Access Network,Chongqing University ofPosts and Telecommunications,Chongqing 400065,China
  • Received:2011-10-10 Published:2018-11-16

Abstract: Based on the characteristics of Vehicular Communication Network,this paper analyzes the problem of traditional TCP in VANET,and by giving the four-state transition diagram,a new TCP congestion control mechanism based on Cross-layer design is proposed.It is called VC-TCP,which can predict the reason of packet loss by providing TCP with helpful route and movement information,and choose appropriate congestion control strategy under various conditions.Simulation results show that the improved VC-TCP performs better in VehicularCommunication Network since the throughput is increased and the latency is reduced.

Key words: Vehicular Communication Network, TCP, cross-layer design, congestion control, four-state transition diagram

CLC Number: 

  • TN929.5
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