On the structure, convergence and performance of an adaptive I/Q mismatch corrector

Ediz Çetin*, Izzet Kale, Richard C S Morling

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The I/Q mismatches in quadrature radio receivers results in finite and usually insufficient image rejection, degrading the performance greatly. In this paper we present a detailed analysis of the Blind-Source Separation (BSS) based mismatch corrector in terms of its structure, convergence and performance. The results indicate that the mismatch can be effectively compensated during the normal operation as well as in the rapidly changing environments. Since the compensation is carried out before any modulation specific processing, the proposed method works with all standard modulation formats and is amenable to low-power implementations.

Original languageEnglish
Pages (from-to)2288-2292
Number of pages5
JournalIEEE Vehicular Technology Conference
Volume56
Issue number4
Publication statusPublished - 2002
Externally publishedYes

Keywords

  • Adaptive signal processing
  • Blind source separation
  • Digital receivers
  • I/Q mismatch
  • Phase and gain errors

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