The impact of the I/Q mismatching errors on the BER performance of OFDM communication systems

Nguyen Thanh Hieu, Heung Gyoon Ryu, Cheng Xiang Wang, Hsiao Hwa Chen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

Orthogonal frequency division multiplexing (OFDM) signals are very sensitive to radio frequency (RF) impairments. One of the major impairments is the mismatching errors between the in-phase (I) and quadrature (Q) branches in the up and down-conversions. The I/Q mismatching errors can include phase and amplitude mismatching errors. These mismatching errors make the signal constellation expand and rotate, which severely degrades the performance of OFDM systems. In this paper, a closed-form expression for the bit error rate (BER) of the OFDM system in I/Q mismatching error environments is derived as a function of phase and amplitude mismatching error parameters. This enables a convenient and useful evaluation of the performance of OFDM communication systems with I/Q mismatching errors. The derived analytical expression is validated by the fact that computer simulation results closely match with the analytical derivation results.

Original languageEnglish
Title of host publication2007 IEEE International Conference on Communications, ICC'07
Pages5423-5427
Number of pages5
DOIs
Publication statusPublished - 2007 Dec 1
Event2007 IEEE International Conference on Communications, ICC'07 - Glasgow, Scotland, United Kingdom
Duration: 2007 Jun 242007 Jun 28

Publication series

NameIEEE International Conference on Communications
ISSN (Print)0536-1486

Other

Other2007 IEEE International Conference on Communications, ICC'07
CountryUnited Kingdom
CityGlasgow, Scotland
Period07-06-2407-06-28

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

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    Hieu, N. T., Ryu, H. G., Wang, C. X., & Chen, H. H. (2007). The impact of the I/Q mismatching errors on the BER performance of OFDM communication systems. In 2007 IEEE International Conference on Communications, ICC'07 (pp. 5423-5427). [4289569] (IEEE International Conference on Communications). https://doi.org/10.1109/ICC.2007.898