Journal on Communications ›› 2013, Vol. 34 ›› Issue (11): 112-120.doi: 10.3969/j.issn.1000-436x.2013.11.013

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Modeling and analyzing for network coded TCP

San-feng ZHANG1,2,Shuang LI1,2,Xiang LAN1,2,Yong-dong HU1,2   

  1. 1 School of Computer Science and Engineering, Southeast University, Nanjing 211189, China
    2 Key Laboratory of Computer Network and Information Integration, Ministry of Education, Southeast University, Nanjing 211189, China
  • Online:2013-11-25 Published:2017-06-23
  • Supported by:
    The National Natural Science Foundation of China;The Natural Science Foundation of Jiangsu Province

Abstract:

The evolutionary process of network coded TCP against lossy links and error correcting coding were analyzed. Ignoring the slow start phase, the state transition process of congestion window and available window was described based on a three-dimension Markov chain model. With maximum window size, end-to-end packet loss rate and redun-dancy factor as input parameters, throughput of network coded TCP was calculated to carry quantitative analysis of fac-tors affecting the network coded TCP performance in the numerical analysis model. Simulation results based on the NS2 simulator show that the numerical analysis model achieves fairly high accuracy.

Key words: wireless mesh network, transmit control, network coding, Markov chain

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