Gauss-Seidel iterations for SIR-based power updates for wireless CDMA communication networks

Dina Lelic, Zoran Gajic

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In this paper, we present an iterative technique for sequential mobile power updates in wireless CDMA networks based on Gauss-Seidel iterations. The obtained algorithm is distributed and has the same complexity as the popular DPC (distributed power control) algorithm, which is based on Jacobi iterations and which assumes simultaneous power updates for all mobiles that use the same frequency channel. The paper demonstrates that the newly presented algorithm converges faster than the DPC algorithm. The constrained version of the new algorithm is also presented indicating that it has the same complexity as the constrained DPC algorithm, known as DCPC, but its speed of convergence is superior over the convergence speed of DCPC algorithm.

Original languageEnglish (US)
Pages (from-to)115-121
Number of pages7
JournalInternational Journal of Wireless Information Networks
Volume11
Issue number3
DOIs
StatePublished - 2004

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Keywords

  • CDMA
  • Distributive algorithms
  • Power control
  • Wireless networks

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