Distance-Based Location Management Utilizing Initial Position for Mobile Communication Networks


This paper aims at improving the space-based location management scheme for mobile communication networks. In location management, a mobile terminal (MT) is tracked based on its location-update area (LA). The development is led to by joint optimization of l. a. center and LA size. For LA center optimization (LCO), we confirm the optimal center position of the LA given the initial position of the MT upon every location update. The investigation of optimal LA center has eluded analysis up to now. Primarily based on the favored continuous-time random walk (CTRW) mobility model, we propose an analytical framework that uses a diffusion equation to see the optimal LA center that minimizes the total price of location management, consisting of the placement update value and terminal paging value. This framework allows us to simply model the non-Markovian movement of the MT and evaluate the impact of varied measurable physical parameters (like length of road section, angle between road sections, and road section crossing time) and LA center. In explicit, we show that correct LA center can considerably scale back the full cost. For example, for the circular LA and low Poisson decision-arrival rate, optimizing the LA center alone has the potential of reducing the price by up to thirty seven percent. Joint optimization of the LA center and terminal paging theme will cut back the value even further. Simulations results match the theoretical analysis to a niche at intervals 3 percent, indicating that our theoretical model is terribly correct.

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