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Fast Algorithm for Large-scale UMTS Coverage Planning with Soft Handover Consideration
Linköping University, Department of Science and Technology. Linköping University, The Institute of Technology. (Mobile Telecommunications)
Linköping University, The Institute of Technology. Linköping University, Department of Science and Technology, Communications and Transport Systems. (Mobile Telecommunications)
2009 (English)In: Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly, New York, NY, USA: ACM , 2009, 1488-1492 p.Conference paper (Refereed)
Abstract [en]

Coverage planning by means of controlling cell Common Pilot Channel (CPICH) power is an important task in deploying UMTS networks. In addition to determining coverage, CPICH power heavily influences the amount of Soft Handover (SHO). Non-uniform cell CPICH power allows for significant power saving and thereby higher capacity for traffic channels. However, optimizing non-uniform CPICH is challenging in terms of computational effort, if the resulting coverage pattern is required to satisfy a desired level of SHO. We present a very fast algorithm for this planning problem. The algorithm has utilized the fact that SHO is strongly correlated with cell overlap. Using overlap as a very good approximation of SHO, the algorithm can compute a near optimal coverage pattern within a few seconds even for large networks. Next, the solution is further polished to deal with SHO accurately. Simulation results show that our solution strategy is able to perform non-uniform CPICH optimization very time-efficiently, making it possible to tackle large scale UMTS coverage planning under SHO consideration.

Place, publisher, year, edition, pages
New York, NY, USA: ACM , 2009. 1488-1492 p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-56763DOI: 10.1145/1582379.1582705ISBN: 978-1-60558-569-7OAI: diva2:321935
2009 ACM International Wireless Communications and Mobile Computing Conference, IWCMC 2009; Leipzig; Germany
Available from: 2010-06-03 Created: 2010-06-03 Last updated: 2014-09-05

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Chen, LeiYuan, Di
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ReferencesLink to record
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