NDLI: Achieving higher HSDPA performance and preserving R99 soft handover control by large scale optimization in CPICH coverage planning

Content Provider	IEEE Xplore Digital Library
Author	Lei Chen Di Yuan
Copyright Year	2009
Description	Author affiliation: Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden (Lei Chen; Di Yuan)
Abstract	Common Pilot Channel (CPICH) power is a crucial parameter in coverage planning of today's UMTS networks that implement both HSDPA and R99 services. Adopting a non-uniform allocation of cell CPICH power and minimizing its amount necessary for coverage, the resulting power saving significantly improves HSDPA performance. At the same time, it is vital to have the desired level R99 soft handover, which is heavily influenced by CPICH. In this paper, we demonstrate how large scale optimization can deal with both tasks. Our approach focuses on enhancing cell-edge HSDPA data rate, subject to requirements of CPICH coverage and the level of R99 soft(-er) handover. We present a solution algorithm that optimizes CPICH allocation for HSDPA performance, and, in parallel, offers accurate control of R99 soft handover. Experimental results for large and realistic network planning scenarios demonstrate the benefit of our optimization approach.
Starting Page	1
Ending Page	6
File Size	248909
Page Count	6
File Format	PDF
ISBN	9781424425884
ISSN	19345070
DOI	10.1109/WTS.2009.5068936
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-22
Publisher Place	Czech Republic
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	3G mobile communication Automatic control Downlink Large-scale systems Multiaccess communication Technology planning Automatic repeat request Modulation coding Delay Signal to noise ratio
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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