Telecommunications Science ›› 2010, Vol. 26 ›› Issue (2): 50-54.doi: 10.3969/j.issn.1000-0801.2010.02.015

• research and development • Previous Articles     Next Articles

ECN-based Congestion Control Mechanism for Wireless TCP

Jianghong Han,Mai Wu,Zhengyu Liu   

  1. (Hefei University of Technology,Hefei 230009,China)
  • Online:2010-02-15 Published:2010-02-15

Abstract:

TCP has been used widely in all sorts of wireless environments.However,the congestion control approaches designed for wired TCP or even some wireless situations are not effective enough.This paper proposes a multi-level ECN-based feedback algorithm MLF_ECN,which works by dividing the network congestion level dynamically.The simulation results show that this method can smooth the congestion window,reduce the loss rate of congestion packets,and it can also improve the throughput of the network efficiently.

Key words: wireless TCP, explicit congestion notification, congestion control,round trip time, multi-level feedback

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