The use of probability control in CDMA systems

Itsik Bergel*, Hagit Messer

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

CDMA systems commonly use power control mechanism to reduce the amount of interference between the users. We challenge this common practice by considering non-continuous transmission and probability control mechanism. We analyze the effect of the transmission probability on the average signal-to-noise plus interference ratio (SIR), and give a sufficient condition for CDMA systems In which probability control (and not power control) Is the optimal method for balancing users' interference. We also demonstrate this condition on a CDMA system with a single RAKE finger. Results are applicable both for CDMA and for impulse radio (IR) systems.

Original languageEnglish
Title of host publication2005 IEEE/SP 13th Workshop on Statistical Signal Processing - Book of Abstracts
PublisherIEEE Computer Society
Pages1060-1065
Number of pages6
ISBN (Print)0780394046, 9780780394049
DOIs
StatePublished - 2005
Event2005 IEEE/SP 13th Workshop on Statistical Signal Processing - Bordeaux, France
Duration: 17 Jul 200520 Jul 2005

Publication series

NameIEEE Workshop on Statistical Signal Processing Proceedings
Volume2005

Conference

Conference2005 IEEE/SP 13th Workshop on Statistical Signal Processing
Country/TerritoryFrance
CityBordeaux
Period17/07/0520/07/05

Keywords

  • Code division multiple access (CDMA)
  • Impulse Radio (IR)
  • Power control
  • Probability control
  • Ultra-Wdieband (UWB)

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