Mobility Management of Mobile IP Based on Multi-tier Cellular Systems
基于多层小区结构的移动IP移动性管理

In this paper, several currently existed Mobility Management Schemes of Mobile IP are simply analyzed, and so does the network structure of multi.tier cellular which nowadays is easily seen. Then we propose a few promotions on the strategies of mobility management when realizing mobile IP in multi.tier cellular network structure. The key of the promotions is that the required type of cell for a MN is determined based on the classification of its mobility pattern. Consequently,the capacity of system may be increased while the frequency of handoff is decreased.