This paper describes a novel mobility management scheme which is efficient for multi-media in-building mobile communication systems. Most in-building mobile communication systems will be realized in a pico-cellular structure. An in-building user mobility model to be used for designing a pico-cellular system's mobility management scheme is first established. Then proposed is a novel location registration and paging scheme which can simultaneously cope with the bursty location registration traffic and the increased paging traffic. In addition, this scheme can cope with the call set up delay requirements in multi-media communication. The performance of the proposed scheme has been evaluated by computer simulation in which the user mobility model at lunch time in an office building is used.
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