计算机应用 ›› 2005, Vol. 25 ›› Issue (07): 1506-1508.

• 网络与分布式技术 • 上一篇    下一篇

无线网络TCP协议纯端到端解决方案研究

陈作田,周金芳,陈抗生   

  1. 浙江大学 信息与电子工程学
  • 收稿日期:2005-01-04 修回日期:2005-03-22 发布日期:2005-07-01 出版日期:2005-07-01
  • 作者简介:陈作田(1973-),男,湖南衡阳人,硕士研究生,主要研究方向:TCP over Wireless;〓周金芳(1973-),女,江苏苏州人,副教授,主要研究方向:TCP over Wireless、网络仿真

Pure end-to-end TCP approaches in wireless network

CHEN Zuo-tian, ZHOU Jin-fang, CHEN Kang-sheng   

  1. Department of  Information Science & Electronic Engineering,  Zhejiang University
  • Received:2005-01-04 Revised:2005-03-22 Online:2005-07-01 Published:2005-07-01

摘要:

针对无线环境中误码率偏高的特点,着重讨论改善TCP协议性能的方案,并重点研究了纯端到端解决方案中的两种典型TCP协议:TCPW和TCP-Real协议。纯端到端解决方案保持了TCP协议端到端的语义。通过不同误码率下传输性能的仿真,表明两种协议在无线环境下性能均明显优于其他TCP协议。

关键词: 无线网络, TCP协议, TCPW, TCP-Real, 拥塞控制

Abstract:

The schemes to solve the high bit error problem in wireless networks were discussed. Aiming to improve the performance of TCP protocal in mobile environments, two typical TCP models of the pure end-to-end approaches, TCPW and TCP-Real,  were researched. The pure end-to-end schemes have the advantage of preserving the end-to-end semantics of TCP protocol. Simulation results with different bit error conditions of these protocols reveal an evident improvement in terms of TCP performance in relative to others, especially when the bit error rate is high.

Key words: wirelesss network, TCP protocol, TCP-Westwood(TCPW), TCP-Real, congestion control

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