The standard TCP which is originally devised to perform congestion control mechanism does not work well in wireless networks since the wireless links produce significant non-congestion related packet losses due to fading and hando.. In this paper, to improve the TCP performance over cdma 2000 wireless networks, we propose an architecture with a wireless TCP server and a wireless TCP mechanism that applies a freezing with Snoop protocol. Through computer simulations carried by NS-2 network simulator, it is shown that the snoop function yields significant improvement under the proposed system architecture and the freezing mechanism prevents timeout which causes an unnecessary congestion control.