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Teletraffic Capacity of Hierarchical CDMA Cellular Networks
KTH, Superseded Departments, Signals, Sensors and Systems.
Swinburne University of Technology.
2000 (English)Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we calculate the moments of the received interference on  the uplink of cellular CDMA systems. Analytic expressions are found  for the moments, and they are then used to approximate the outage  probability. Our formulation involves integrals which must be evaluated  numerically.  Each cell is modelled as an independent M=G=1 queue, and we take  into account distance dependent path gain, di erent antenna heights,  uncorrelated log-normal shadow fading, soft handover, noise, voice activity detection, constant received power control and the effects of maximum and minimum transmission powers. The method is suitable for  the analysis of systems with overlaid cells such as found in Hierarchical  Cell Structures, but we evaluate the model in a one layer system.  We validate the model by comparison to simulated systems with and  without admission control based on interference measurements. We  conclude that our model is more efficient than simulation.

Place, publisher, year, edition, pages
2000.
Keyword [en]
trafic modelling, CDMA, teletrafic capacity, hierarchical systems
National Category
Computer and Information Science
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-28045ISBN: 0-7923-7275-1 (print)OAI: oai:DiVA.org:kth-28045DiVA: diva2:383857
Conference
Multiaccess, Mobility and Teletraffic for Wireless Communications
Note
QC 20110111Available from: 2011-01-06 Created: 2011-01-06 Last updated: 2011-01-11Bibliographically approved

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  • apa
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  • nn-NO
  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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