The GSM System for Mobile Communications
The GSM System for Mobile Communications
The case for a systematic approach to wireless mobile network simulation
Journal of High Speed Networks
A hybrid grouping genetic algorithm for the registration area planning problem
Computer Communications
A simulated annealing based location area optimization in next generation mobile networks
Mobile Information Systems - Improving Quality of Service in Mobile Information Systems, Services and Networks
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User mobility is one of the most important factors affecting the network performance in a cellular network. Increased mobility results in more location updates, handovers and hence an increase in the number of messages exchanged between various entities in the system. This signaling not only puts extra load on the radio interface but also on the infrastructure equipment. Thus, it is required to minimize the rate of occurrence of these mobility related events by optimally dividing the system into areas which have a minimum exchange of traffic. This paper presents a mobility model which can be used to predict the transient behavior of the traffic on the routes connecting these areas in a given network during rush hours when the capability of the network to handle mobility related signaling traffic is put to a severe test. Some algorithms which can use this information to optimally plan the network are also considered.