Ad-Hoc Network Congestion Avoidance Strategy Research

The frequent movement of mobile terminal in the process of Ad-hoc network data transmission often leads to data loss and then the Vegas algorithm mistakenly thinks that occurred the congestion of the network, resulting in the decline of network communication performance. This paper proposes a congestion avoidance strategies in the improvement of Vegas algorithm, the new algorithm can increase the size of the congestion window in the good performance of the network, when the network is not running well although not block Vegas algorithm error into the congestion avoidance phase, but keeping the congestion window size unchanged, thus keeping previous data transmission rate unchanged, then avoid the network throughput degradation.