GLCP OFDM systems with I/Q imbalance

Migzheng Cao, Hongya Ge

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

In this work, a grouped linear constellation precoded orthogonal frequency-division multiplexing (GLCP OFDM) system, with the transceiver in-phase/quadrature (I/Q) imbalance operating over frequency-selective fading channels are studied. A new subcarrier grouping scheme in such a system is proposed. Through analysis and simulations, we demonstrate that with the proposed scheme, low-complexity solutions can be developed to mitigate I/Q imbalance, and provide a performance comparable to (or better than) the optimal subcarrier grouping scheme with no I/Q imbalance. copy; 2009 IEEE.

Original languageEnglish (US)
Pages (from-to)230-232
Number of pages3
JournalIEEE Communications Letters
Volume13
Issue number4
DOIs
StatePublished - May 25 2009

All Science Journal Classification (ASJC) codes

  • Modeling and Simulation
  • Computer Science Applications
  • Electrical and Electronic Engineering

Keywords

  • Grouped linear constellation precoding
  • I/Q imbalance
  • OFDM

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