Congestion Control Mechanism in Wireless Network

himanshu chanyal, Pranavi Tayal


One of the major requirements of any network is high speed and reliable communication. TCP itself provides such high speed communication over the dedicated channel to perform the dedicated and reliable connection between server nodes. But the TCP network suffers from the problem of high congestion and the broken link. In such network, if some link loss occurs or some congestion occur. The network gives high degree of data loss. To recover from this loss, there is the requirement of some network reconfiguration approach. The TCP network itself provides the solution of such problem up to some extent. Even then it also suffers from the problem of some data loss over the network. The presented work is in same direction to provide an effective communication so that the data loss will be minimized over the network.  In this work a dynamic network reconfiguration approach is defined to analyse the neighbour nodes for the congestion as well as for free bandwidth. In this work, we have presented each node as a monitor as well as router. Each node will monitor the previous node for the congestion analysis and will analyse the next neighbour to find the next possible route for the communication. The presented work has provided the effective communication by performing the reliable reconfiguration of network. Another direction considered in this work is about the analysis of transmitting frames. According to the frame types the size of communication window is defined. The observation is performed on the traffic coming from back nodes and based on this analysis the size of the communication window is decided. The work is implemented in ns2 and the obtained results show that presented approach has provided effective route reconstruction so that the network delay and the loss are reduced.


TCP, TCP congestion control, Wireless Network.

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