@inproceedings{738f12a1d15a4003a68940bfbf033a5b,
title = "I/Q imbalance mitigation for STBC MIMO-OFDM communication systems",
abstract = "In this work we study the performance degradation caused by the in-phase/quadrature (I/Q) imbalance in space-time block coded (STBC) multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication systems. The 2-Tx Alamouti scheme, 4-Tx quasi-orthogonal STBC (QOSTBC) scheme, and 4-Tx rotated QOSTBC (RQOSTBC) scheme with I/Q imbalance are examined in details. Our study shows that I/Q imbalance causes severe distortion in STBC MIMO-OFDM systems. By exploiting the structure of the received signal, low-complexity solutions are developed to mitigate the resultant distortion successfully.",
keywords = "I/Q imbalance, MIMO, OFDM, STBC",
author = "Mingzheng Cao and Hongya Ge",
year = "2008",
doi = "10.1109/ICASSP.2008.4518304",
language = "English (US)",
isbn = "1424414849",
series = "ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings",
pages = "3093--3096",
booktitle = "2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP",
note = "2008 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP ; Conference date: 31-03-2008 Through 04-04-2008",
}