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» On the effect of transmitter IQ imbalance at OFDMA receivers
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ICASSP
2008
IEEE
13 years 11 months ago
Compensation of RF impairments in MIMO OFDM systems
In this paper we propose a generally applicable frequency domain equalization and radio frequency (RF) impairment compensation technique for orthogonal frequency division multiple...
Deepaknath Tandur, Marc Moonen
PIMRC
2008
IEEE
13 years 11 months ago
Performance comparison of different STBC codes in the presence of IQ imbalances in mobile communications
— In receivers, IQ imbalances have significant effects on the performance of data transmission. Comparison of the performance of different types of Orthogonal Space-Time Block Co...
Behnam Banitalebi
ISCAS
2007
IEEE
178views Hardware» more  ISCAS 2007»
13 years 11 months ago
On the Joint Compensation of IQ Imbalances and Phase Noise in MIMO-OFDM Systems
Abstract— OFDM systems are susceptible to receiver impairments such as IQ imbalance and phase noise. These impairments can severely degrade the achievable effective signalto-nois...
Qiyue Zou, Alireza Tarighat, Ali H. Sayed
TWC
2010
12 years 11 months ago
Reduced-complexity baseband compensation of joint Tx/Rx I/Q imbalance in mobile MIMO-OFDM
Direct-conversion multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) transceivers enjoy high data rates and reliability at practical implementati...
Balachander Narasimhan, Sudharshan Narayanan, Hlai...
ICC
2008
IEEE
140views Communications» more  ICC 2008»
13 years 11 months ago
Numerical Performance Evaluation of impaired OFDM Links using Alamouti Space Time Coding
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate (BER) as well as channel capacity of Alamouti space time coded OFDM systems in case of direc...
Marco Krondorf, Gerhard Fettweis