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Location management including: paging and location update is an important issue for mobile communication systems. The moving behavior of mobile users is frequently used to guide the location management, however, there is a large class of mobile users without regular moving behaviors. This paper focuses on the case that individual mobility pattern is difficult to obtain. We propose location management schemes based on a time varying population of each cell. The time-varying population of each cell demonstrates the macro moving behavior of overall users in its cell. Such a property is also applied to pre-registration so as to reduce the pre-registration cost and realize seamless handoff. To further reduce the paging delay, group paging concept is proposed. Simulation results demonstrate the proposed time-varying population location management schemes significantly reduce the cost of location management.
Communication Systems, 2002. ICCS 2002. The 8th International Conference on (Volume:2 )
Date of Conference: 25-28 Nov. 2002