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Proceedings Paper

Location management in 3G/4G wireless systems
Author(s): Ian F. Akyildiz; Wenye Wang; Young-Jun Lee
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Paper 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.

Paper Details

Date Published: 27 July 2001
PDF: 13 pages
Proc. SPIE 4531, Modeling and Design of Wireless Networks, (27 July 2001); doi: 10.1117/12.434442
Show Author Affiliations
Ian F. Akyildiz, Georgia Institute of Technology (United States)
Wenye Wang, Georgia Institute of Technology (United States)
Young-Jun Lee, Georgia Institute of Technology (United States)

Published in SPIE Proceedings Vol. 4531:
Modeling and Design of Wireless Networks
Edwin K. P. Chong, Editor(s)

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