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27 July 2001 Location management in 3G/4G wireless systems
Ian F. Akyildiz, Wenye Wang, Young-Jun Lee
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Proceedings Volume 4531, Modeling and Design of Wireless Networks; (2001) https://doi.org/10.1117/12.434442
Event: ITCom 2001: International Symposium on the Convergence of IT and Communications, 2001, Denver, CO, United States
Abstract
This paper presents current and latest schemes for location management in next generation wireless systems (3G and 4G). First, the hierarchical reference model of 3G wireless systems is introduced. Then a dynamic inter-system location management technique is developed based on new concepts of boundary location area and boundary location register, which are suitable for inter-system roaming scenarios. Moreover, the corresponding mobility application part (MAP) protocol is designed for inter-system location registration and call delivery procedures. The performance is evaluated in terms of signaling costs, latency of location registration and call delivery, as well as call losses due to the inter-system roaming. For the 4G systems, a generic system model is introduced to incorporate the existing wireless local networks and cellular systems and so on. In particular, a new scheme for reducing costs in route optimization is introduced to solve the above problems. In this new scheme, route optimization is performed only when it minimizes the total cost function, which provides the optimal result from the viewpoint of link and signaling costs. The simulation results show that the proposed scheme provides the better performance.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Ian F. Akyildiz, Wenye Wang, and Young-Jun Lee "Location management in 3G/4G wireless systems", Proc. SPIE 4531, Modeling and Design of Wireless Networks, (27 July 2001); https://doi.org/10.1117/12.434442
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KEYWORDS
Databases
Systems modeling
Multimedia
Signal attenuation
Internet
Networks
Signal processing
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