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Dominant Pilot Recovery in IS-95 CDMA Systems Using Repeaters
Allgon System AB.
Radio Resource & Management Optimization Laboratory, ICU Graduate School of Management, Information and Communications University, Korea.
1999 (English)Conference paper, Published paper (Refereed)
Abstract [en]

We investigate the use of repeaters to combat the problem of pilot pollution in IS-95 CDMA systems. For the purpose, we have formulated the problem into a manageable optimization model and suggested a greedy-type algorithm that determines the number and locations of repeaters needed. Simula- tion studies have been carried out by applying the algorithm to an actual CDMA network in which pi- lot pollution was present. The simulation results have been verified by field trials performed on the same area. They indicate that, by recovering a dominant pilot, repeaters are able to cope with the pilot pollu- tion problem, thus improving call quality. Since the cost of installation and field maintenance for repeaters is relatively low, our results show that the repeater is is a very efficient and cost-effective way to mitigate the effects of pilot pollution in IS-95 CDMA systems.

Place, publisher, year, edition, pages
IEEE , 1999.
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-28117OAI: oai:DiVA.org:kth-28117DiVA: diva2:383976
Conference
Int. Symp. Personal, Indoor and Mobile Radio Communications (PIMRC)
Note
QC 20110111Available from: 2011-01-06 Created: 2011-01-06 Last updated: 2011-01-11Bibliographically approved

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CiteExportLink to record
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  • apa
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