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With fast development of wireless network technologies, a variety of different wireless networks coexist in the future. We are getting more and more focus on convergence of heterogeneous networks. In the environment of heterogeneous wireless networks, traditional mobility management has already become incapable to support mobility in heterogeneous wireless networks. As one of the key function of the future mobility management technology, handoff management which is used to provide session continuity across heterogeneous networks has been one of the most challenging technologies in heterogeneous network environments. Fast and efficient and accurate handoff can give users a different experience of networks, this paper aims to propose a cross layer based mobility management proposal which can meet the needs of the users to ensure that users at anywhere and anytime access to the best network.