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Mohamed Helaoui
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2-D digital predistortion (2-D-DPD) architecture for concurrent dual-band transmitters
SA Bassam, M Helaoui, FM Ghannouchi
IEEE Transactions on Microwave Theory and Techniques 59 (10), 2547-2553, 2011
3232011
Behavioral modeling and predistortion of wideband wireless transmitters
FM Ghannouchi, O Hammi, M Helaoui
John Wiley & Sons, 2015
2042015
Design and linearization of concurrent dual-band Doherty power amplifier with frequency-dependent power ranges
W Chen, SA Bassam, X Li, Y Liu, K Rawat, M Helaoui, FM Ghannouchi, ...
IEEE transactions on microwave theory and techniques 59 (10), 2537-2546, 2011
2042011
Crossover digital predistorter for the compensation of crosstalk and nonlinearity in MIMO transmitters
SA Bassam, M Helaoui, FM Ghannouchi
IEEE transactions on microwave theory and techniques 57 (5), 1119-1128, 2009
1822009
A novel architecture of delta-sigma modulator enabling all-digital multiband multistandard RF transmitters design
M Helaoui, S Hatami, R Negra, FM Ghannouchi
IEEE Transactions on Circuits and Systems II: Express Briefs 55 (11), 1129-1133, 2008
1642008
Augmented real-valued time-delay neural network for compensation of distortions and impairments in wireless transmitters
D Wang, M Aziz, M Helaoui, FM Ghannouchi
IEEE Transactions on Neural Networks and Learning Systems 30 (1), 242-254, 2018
1472018
A transformer-less load-modulated (TLLM) architecture for efficient wideband power amplifiers
M Akbarpour, M Helaoui, FM Ghannouchi
IEEE Transactions on Microwave Theory and Techniques 60 (9), 2863-2874, 2012
1082012
Convolutional neural network for behavioral modeling and predistortion of wideband power amplifiers
X Hu, Z Liu, X Yu, Y Zhao, W Chen, B Hu, X Du, X Li, M Helaoui, W Wang, ...
IEEE Transactions on Neural Networks and Learning Systems 33 (8), 3923-3937, 2021
962021
Transmitter architecture for CA: Carrier aggregation in LTE-advanced systems
SA Bassam, W Chen, M Helaoui, FM Ghannouchi
IEEE Microwave Magazine 14 (5), 78-86, 2013
952013
Analyzing LINC systems
A Birafane, M El-Asmar, AB Kouki, M Helaoui, FM Ghannouchi
IEEE microwave magazine 11 (5), 59-71, 2010
862010
Linearization of concurrent dual-band power amplifier based on 2D-DPD technique
SA Bassam, W Chen, M Helaoui, FM Ghannouchi, Z Feng
IEEE Microwave and Wireless Components Letters 21 (12), 685-687, 2011
852011
Generalized theory and design methodology of wideband Doherty amplifiers applied to the realization of an octave-bandwidth prototype
R Darraji, D Bhaskar, T Sharma, M Helaoui, P Mousavi, FM Ghannouchi
IEEE Transactions on Microwave Theory and Techniques 65 (8), 3014-3023, 2017
842017
Multiport technology: The new rise of an old concept
SO Tatu, A Serban, M Helaoui, A Koelpin
IEEE Microwave Magazine 15 (7), S34-S44, 2014
792014
Delta-sigma-based transmitters: Advantages and disadvantages
MM Ebrahimi, M Helaoui, FM Ghannouchi
IEEE Microwave Magazine 14 (1), 68-78, 2013
772013
Mitigation of bandwidth limitation in wireless Doherty amplifiers with substantial bandwidth enhancement using digital techniques
R Darraji, FM Ghannouchi, M Helaoui
IEEE Transactions on Microwave Theory and Techniques 60 (9), 2875-2885, 2012
772012
A high-performance complexity reduced behavioral model and digital predistorter for MIMO systems with crosstalk
A Abdelhafiz, L Behjat, FM Ghannouchi, M Helaoui, O Hammi
IEEE Transactions on Communications 64 (5), 1996-2004, 2016
752016
Optimizing losses in distributed multiharmonic matching networks applied to the design of an RF GaN power amplifier with higher than 80% power-added efficiency
M Helaoui, FM Ghannouchi
IEEE Transactions on Microwave Theory and Techniques 57 (2), 314-322, 2009
742009
Power and efficiency enhancement of 3G multicarrier amplifiers using digital signal processing with experimental validation
M Helaoui, S Boumaiza, A Ghazel, FM Ghannouchi
IEEE Transactions on Microwave Theory and Techniques 54 (4), 1396-1404, 2006
742006
Accurate power efficiency estimation of GHz wireless delta-sigma transmitters for different classes of switching mode power amplifiers
FM Ghannouchi, S Hatami, P Aflaki, M Helaoui, R Negra
IEEE Transactions on Microwave theory and techniques 58 (11), 2812-2819, 2010
682010
A new mode-multiplexing LINC architecture to boost the efficiency of WiMAX up-link transmitters
M Helaoui, S Boumaiza, FM Ghannouchi, AB Kouki, A Ghazel
IEEE Transactions on Microwave Theory and Techniques 55 (2), 248-253, 2007
662007
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