Analysis and Enhancement of TCP Performance in Ad Hoc Wireless Networks

  • Li Miaoyan
  • Zhou Chuansheng
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 297)


Mobility in ad hoc networks causes frequent link failures, which in turn causes packet losses. TCP attributes these packet losses to congestion. This incorrect inference results in frequent TCP re-transmission time-outs and therefore a degradation in TCP performance even at light loads. In this work, a new TCP enhanced scheme for mobile ad hoc networks is presented. The key design novelty is to identify the network states based on end-to-end measurements in TCP receiver, which successively dispatches the feedback on current network states to TCP sender via the ACK packets. Consequently, the sender takes corresponding measures. Moreover, this paper investigates the reasons of TCP instability in static ad hoc wireless networks and proposes schemes combining MAC layer and route layer enhancements to solve this problem.


Ad Hoc Networks TCP Performance End-to-End measurements Instability 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Software College, Shenyang Normal UniversityShenyangChina

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