Improving TCP Performance in Hybrid Networks

  • O. S. GnanaPrakasi
  • P. Varalakshmi
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 176)


It has been observed that TCP suffers from poor bandwidth utilization and extreme unfairness in wireless environment, and the utility of TCP in the multi-hop IEEE 802.11 network has been seriously questioned. TCP is the most dominant transport protocol that serves as a basis for many other protocols in wired and wireless networks. However, high transmission errors and varying latency inherent in wireless channel would have a seriously adverse effect on the performance of TCP. Thus, a novel and pragmatic cross-layer approach with joint congestion and contention window control scheme and a probabilistic approach for RTT measurement is proposed to improve the performance of TCP in multi-hop networks. The proposed design indeed provides a more efficient solution for frequent transmission loss by setting optimal congestion window to improve TCP performance in multi-hop network.


TCP Multi hop network congestion window contention window RTT measurement 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • O. S. GnanaPrakasi
    • 1
  • P. Varalakshmi
    • 2
  1. 1.Computer TechnologyAnna University, MITChennaiIndia
  2. 2.Information TechnologyAnna University, MITChennaiIndia

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