IQ-imbalance compensation for OFDM in the presence of IBI and carrier-frequency offset

I Barhumi, M Moonen - IEEE Transactions on Signal Processing, 2006 - ieeexplore.ieee.org
In this paper, we propose a frequency-domain equalization technique for orthogonal
frequency division multiplexing (OFDM) transmission over frequency-selective channels. We …

Frequency-domain IQ-imbalance and carrier frequency offset compensation for OFDM over doubly selective channels

I Barhumi, M Moonen - 2006 14th European Signal Processing …, 2006 - ieeexplore.ieee.org
In this paper we propose a frequency-domain IQ-imbalance and carrier frequency offset
(CFO) compensation and equalization for OFDM transmission over doubly selective …

Digital compensation of RF imperfections for broadband wireless systems

D Tandur, M Moonen - 2007 14th IEEE Symposium on …, 2007 - ieeexplore.ieee.org
In this paper we propose a generally applicable frequency-domain equalization and radio
frequency (RF) imperfection compensation technique for orthogonal frequency division …

[PDF][PDF] Joint compensation of OFDM frequency-selective transmitter and receiver IQ imbalance

D Tandur, M Moonen - Eurasip Journal on Wireless Communications and …, 2007 - Springer
Direct-conversion architectures are recently receiving a lot of interest in OFDM-based
wireless transmission systems. However, due to component imperfections in the front-end …

Joint adaptive compensation of transmitter and receiver IQ imbalance under carrier frequency offset in OFDM-based systems

D Tandur, M Moonen - IEEE Transactions on Signal Processing, 2007 - ieeexplore.ieee.org
Zero-intermediate frequency (IF)-based orthogonal frequency division multiplexing (OFDM)
transmitters and receivers are gaining a lot of interest because of their potential to enable …

Equalization for OFDM over doubly selective channels

I Barhumi, G Leus, M Moonen - IEEE Transactions on Signal …, 2006 - ieeexplore.ieee.org
In this paper, we propose a time-domain as well as a frequency-domain per-tone
equalization for orthogonal frequency-division multiplexing (OFDM) over doubly selective …

Adaptive compensation of frequency selective IQ imbalance and carrier frequency offset for OFDM based receivers

D Tandur, M Moonen - 2007 IEEE 8th Workshop on Signal …, 2007 - ieeexplore.ieee.org
Direct conversion architectures are currently receiving a lot of interest in OFDM based
wireless transmission systems. However such systems are very sensitive to front-end non …

Efficient compensation of RF impairments for OFDM systems

D Tandur, C Lee, M Moonen - 2009 IEEE Wireless …, 2009 - ieeexplore.ieee.org
OFDM based systems are very sensitive to radio frequency (RF) impairments such as in-
phase/quadrature-phase (IQ) imbalance and carrier frequency offset (CFO). In this paper, a …

A novel IQ imbalance compensation method with pilot-signals for OFDM system

Y Egashira, Y Tanabe, K Sato - IEEE Vehicular Technology …, 2006 - ieeexplore.ieee.org
Orthogonal frequency division multiplex (OFDM) using a high-order modulation suffers from
effects of in-phase and quadrature-phase (IQ) imbalance in a front-end analog processing …

FEQ for OFDM systems with insufficient CP

S Chen, T Yao - 14th IEEE Proceedings on Personal, Indoor …, 2003 - ieeexplore.ieee.org
In orthogonal frequency division multiplexing (OFDM) systems, when the length of the cyclic
prefix (CP) is shorter than the channel length, the orthogonality between sub-channels is lost …