Augmented Convolutional Neural Network for Behavioral Modeling and Digital Predistortion of Concurrent Multiband Power Amplifiers
Jaraut, Praveen, Abdelhafiz, Abubaker, Chenini, Hanen, Hu, Xin, Helaoui, Mohamed, Rawat, Meenakshi, Chen, Wenhua, Boulejfen, Noureddine, Ghannouchi, Fadhel M.
Published in IEEE transactions on microwave theory and techniques (01.09.2021)
Published in IEEE transactions on microwave theory and techniques (01.09.2021)
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Journal Article
Lattice-based memory polynomial predistorter for wideband radio frequency power amplifiers
Hassan Abdelhafiz, Abubaker, Zerguine, Azzedine, Hammi, Oualid, Ghannouchi, Fadhel M
Published in IET communications (27.11.2014)
Published in IET communications (27.11.2014)
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Journal Article
A Dual-Input Two-Box Model for Digital Predistortion of Envelope Tracking Power Amplifiers
Hammi, Oualid, Khalifa, Mohamed O., Abdelhafiz, Abubaker, Kwan, Andrew, Zerguine, Azzedine, Sharawi, Mohammad S., Ghannouchi, Fadhel M.
Published in IEEE microwave and wireless components letters (01.05.2016)
Published in IEEE microwave and wireless components letters (01.05.2016)
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Journal Article
Digital Predistortion of LTE-A Power Amplifiers Using Compressed-Sampling-Based Unstructured Pruning of Volterra Series
Abdelhafiz, Abubaker, Kwan, Andrew, Hammi, Oualid, Ghannouchi, Fadhel M.
Published in IEEE transactions on microwave theory and techniques (01.11.2014)
Published in IEEE transactions on microwave theory and techniques (01.11.2014)
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Journal Article
A Reflection-Aware Unified Modeling and Linearization Approach for Power Amplifier Under Mismatch and Mutual Coupling
Dhar, Sagar K., Abdelhafiz, Abubaker, Aziz, Mohsin, Helaoui, Mohamed, Ghannouchi, Fadhel M.
Published in IEEE transactions on microwave theory and techniques (01.09.2018)
Published in IEEE transactions on microwave theory and techniques (01.09.2018)
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Journal Article
Augmented Dual-Band Digital Predistorter for Reducing Cross-Band Intermodulation Distortion Using Predictive Injection Technique
Abdelhafiz, Abubaker, Kwan, Andrew, Younes, Mayada, Hammi, Oualid, Boulejfen, Noureddine, Ghannouchi, Fadhel M.
Published in IEEE transactions on microwave theory and techniques (01.11.2016)
Published in IEEE transactions on microwave theory and techniques (01.11.2016)
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Journal Article
Two-Dimensional Cartesian Memory Polynomial Model for Nonlinearity and I/Q Imperfection Compensation in Concurrent Dual-Band Transmitters
Lajnef, Souhir, Boulejfen, Noureddine, Abdelhafiz, Abubaker, Ghannouchi, Fadhel M.
Published in IEEE transactions on circuits and systems. II, Express briefs (01.01.2016)
Published in IEEE transactions on circuits and systems. II, Express briefs (01.01.2016)
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Journal Article
A multi-stage concurrent dual-band DPD architecture for closely spaced carriers using a low bandwidth feedback loop
Kwan, Andrew K., Younes, Mayada F., Hammi, Oualid, Abdelhafiz, Abubaker, Ghannouchi, Fadhel M., Fapojuwo, Abraham O.
Published in 2016 IEEE MTT-S International Microwave Symposium (IMS) (01.05.2016)
Published in 2016 IEEE MTT-S International Microwave Symposium (IMS) (01.05.2016)
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Conference Proceeding
Averaged and Cluster DPDs for Beamforming Applications
Motaqi, Ahmadreza, Helaoui, Mohamed, Abdelhafiz, Abubaker, Chen, Wenhua, Ghannouchi, Fadhel M.
Published in 2021 51st European Microwave Conference (EuMC) (04.04.2022)
Published in 2021 51st European Microwave Conference (EuMC) (04.04.2022)
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Conference Proceeding
Comparative analysis of power amplifiers' polynomial based models identification using RLS algorithm
Abdelhafiz, Abubaker, Ghannouchi, Fadhel M., Hammi, Oualid, Zerguine, Azzedine
Published in 2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA) (01.12.2016)
Published in 2016 5th International Conference on Electronic Devices, Systems and Applications (ICEDSA) (01.12.2016)
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Conference Proceeding
Sparse channel estimation using adaptive filtering and compressed sampling
Khalifa, Mohammed Osman, Abdelhafiz, Abubaker Hassan, Zerguine, Azzedine
Published in 2013 INTERNATIONAL CONFERENCE ON COMPUTING, ELECTRICAL AND ELECTRONIC ENGINEERING (ICCEEE) (01.08.2013)
Published in 2013 INTERNATIONAL CONFERENCE ON COMPUTING, ELECTRICAL AND ELECTRONIC ENGINEERING (ICCEEE) (01.08.2013)
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Conference Proceeding
A comparative study of wideband and dual-band digital predistortion architectures
Abdelhafiz, Abubaker, Younes, Mayada, Kwan, Andrew, Hammi, Oualid, Ghannouchi, Fadhel M., Boulejfen, Noureddine
Published in 2015 IEEE International Wireless Symposium (IWS 2015) (01.03.2015)
Published in 2015 IEEE International Wireless Symposium (IWS 2015) (01.03.2015)
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Conference Proceeding
Behavioral modeling of envelope tracking power amplifier using Volterra series model and compressed sampling
Khalifa, Mohamed O. H., Abdelhafiz, Abubaker, Kwan, Andrew, Ghannouchi, Fadhel M., Hammi, Oualid
Published in 2015 IEEE International Wireless Symposium (IWS 2015) (01.03.2015)
Published in 2015 IEEE International Wireless Symposium (IWS 2015) (01.03.2015)
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Conference Proceeding