Signal to interference ratio measurement techniques for CDMA cellular systems in a frequency-selective multipath fading channel

Chih Wei Wang, Li-Chun Wang

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

5 Scopus citations

Abstract

The signal-to-interference ratio (SIR) is a predominant criterion for radio resource management techniques in wireless networks. Many algorithms such as power control, channel allocation, and handoff, etc., require a fast and accurate SIR measurement. In practice, however, the SIR estimation needs a lot of computations. The major challenge for the SIR estimation issue is to find an efficient way to separate the desired signal with interference. We investigate the performance of the SIR estimation techniques for the DS-CDMA cellular system in a time-dispersive (or a frequency-selective) fading channel. The major contribution is to provide a framework incorporating the effect of channel dispersions into the SIR estimator for the CDMA systems. We present new results on the quantitative performance of two easily implemented SIR estimation techniques, taking into account the impact of frequency-selective fading, mobility, different number of interferers, and different initial transmission power levels.

Original languageAmerican English
Title of host publication2001 IEEE 3rd Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2001
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages34-37
Number of pages4
ISBN (Electronic)0780367200
DOIs
StatePublished - 1 Jan 2001
Event3rd IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2001 - Taoyuan, Taiwan
Duration: 20 Mar 200123 Mar 2001

Publication series

NameIEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC
Volume2001-January

Conference

Conference3rd IEEE Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2001
CountryTaiwan
CityTaoyuan
Period20/03/0123/03/01

Keywords

  • Channel allocation
  • Fading
  • Frequency estimation
  • Interference
  • Measurement techniques
  • Multiaccess communication
  • Power control
  • Power measurement
  • Resource management
  • Wireless networks

Fingerprint Dive into the research topics of 'Signal to interference ratio measurement techniques for CDMA cellular systems in a frequency-selective multipath fading channel'. Together they form a unique fingerprint.

Cite this