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TCP is a widely used transport protocol constructed from the wired links that performs well over the traditional network. Since the wireless network is growing rapidly particularly in the wired/wireless mixed inter-network, a heterogeneous environment is expected to be deployed in the next generation all-IP wireless networks. The TCP that detects the losses as congestion events could not suit the heterogeneous network in which the losses are introduced by the higher bit error rates or handoffs. There exist some unsolved challenges for applying TCP over the wireless links. End-to-end congestion control and fairness issues are two significant factors. To satisfy these two criteria, we propose a jitter-based scheme to adapt the sending rates by the packet losses and jitter ratios. The experiment results have shown that our jitter-based TCP (JTCP) has a good performance over the heterogeneous network.