A low-complexity codebook design scheme for SCMA systems over an AWGN channel

Y Zheng, J Xin, H Wang, S Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
As a promising wireless access technique, sparse code multiple access (SCMA) directly
maps the input bits to the transmitted multidimensional codewords according to the SCMA …

IQ-imbalance compensation for wideband OFDM-radar

B Schweizer, C Knill, D Schindler… - 2020 14th European …, 2020 - ieeexplore.ieee.org
Orthogonal frequency-division multiplexing is a promising modulation format for future
automotive radar sensors. Although it benefits from a simple homodyne transceiver design, it …

[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 …

Compensation of RF impairments in MIMO OFDM systems

D Tandur, M Moonen - 2008 IEEE International Conference on …, 2008 - ieeexplore.ieee.org
In this paper we propose a generally applicable frequency domain equalization and radio
frequency (RF) impairment compensation technique for orthogonal frequency division …

Transposition de fréquence et compensation du déséquilibre IQ pour des systèmes multiporteuses sur canal sélectif en fréquence

S Traverso - 2007 - theses.hal.science
L'objectif de cette thèse est de proposer des solutions pour améliorer les performances des
transmissions des terminaux mobiles à haut débits, faibles coûts et faible consommation. En …

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 …

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 …

STBC MIMO OFDM systems with implementation impairments

D Tandur, M Moonen - 2008 IEEE 68th Vehicular Technology …, 2008 - ieeexplore.ieee.org
Multi-input multi-output (MIMO) systems are often realized with low cost front-end
architectures, eg the so called direct conversion architectures. However, such systems are …

OFDM channel estimation in the presence of frequency offset, IQ imbalance and phase noise

Q Zou, A Tarighat, KY Kim… - 2007 IEEE International …, 2007 - ieeexplore.ieee.org
OFDM systems are susceptible to receiver impairments like frequency offset, IQ imbalance
and phase noise. In this paper, OFDM channel estimation in the presence of these …

Характеристики систем цифрового мовлення DVB-T/DVB-T2 при впливі квадратурних спотворень

ВБ Баляр - Восточно-Европейский журнал передовых …, 2013 - cyberleninka.ru
В статье представлены результаты исследований по оценке характеристик систем
DVB-T/DVB-T2 при наличии квадратурных искажений для разных условий приема …