Search Results - "Ben Ayed, Ahmed"

Digital Predistortion of Millimeter-Wave Arrays Using Near-Field Based Transmitter Observation Receivers by Ben Ayed, Ahmed, Cao, Yushi, Mitran, Patrick, Boumaiza, Slim

“…This article proposes a novel method to train the digital predistortion (DPD) function in a radio frequency (RF) beamforming array using feedback signals…”
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Uniformly Distributed Near-Field Probing Array for Enhancing the Performance of 5G Millimeter-Wave Beamforming Transmitters by Cao, Yushi, Ayed, Ahmed Ben, Xia, Jingjing, Boumaiza, Slim

“…This letter proposes a uniformly distributed near-field (NF) probing array (NFPA) capable of generating feedback signals suitable for monitoring and improving…”
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Novel Baseband Equivalent Model for Digital Predistortion of Wideband Frequency-Multiplier-Based Millimeter Wave Sources by Jaffri, Ifrah, Ayed, Ahmed Ben, Darwish, Ali M., Mitran, Patrick, Boumaiza, Slim

“…This article proposes a novel digital predistortion (DPD) scheme for mitigating the effects of nonlinear distortion caused by frequency multipliers when driven…”
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Millimeter-Wave Device Characterization Under Wideband Modulated Signals Using Vector Network Analyzer Frequency Extenders by Ben Ayed, Ahmed, Mitran, Patrick, Boumaiza, Slim

“…This letter presents an innovative frequency extender based measurement system designed for the comprehensive characterization of millimeter-wave devices under…”
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Social Comparisons, Self-Conceptions, and Attributions: Assessing the Self-Related Contingencies in Leader-Member Exchange Relationships by Lapointe, Émilie, Vandenberghe, Christian, Ayed, Ahmed K. Ben, Schwarz, Gary, Tremblay, Michel, Chenevert, Denis

“…Research on leader-member exchange (LMX) has demonstrated that, in addition to the value of LMX as an indicator of quality relationships with leaders,…”
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The role of negative affectivity in the relationships between pay satisfaction, affective and continuance commitment and voluntary turnover: A moderated mediation model by Panaccio, Alexandra, Vandenberghe, Christian, Ben Ayed, Ahmed K

“…This study examines the mediating role of affective and continuance commitment in the relationship between pay satisfaction and voluntary turnover, and the…”
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Array Calibration and Digital Predistortion Training Using Embedded Near-Field Feedback Probes and Orthogonal Coding for Enhancing the Performance of Millimeter-Wave Beamforming Arrays by Ayed, Ahmed Ben, Jin, Huixin, Tung, Bernard, Mitran, Patrick, Boumaiza, Slim

“…This letter proposes an active array calibration and digital predistortion (DPD) training method that relies on a series of measurement data captured using…”
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Embedded Near-Field Probing Antenna for Enhancing the Performance of 37-41-GHz Linear and Dual-Polarized Phased Antenna Arrays by Jin, Huixin, Ayed, Ahmed Ben, He, Ziran, Tung, Bernard, Boumaiza, Slim

“…This letter proposes a new wideband near-field (NF) probing antenna embedded in millimeter-phased antenna arrays to produce the feedback signals necessary for…”
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On the Viability of Using a Subset of Transmitter-Observation Receivers for Training a Common DPD in Fully Digital MIMO Transmitters by Lim, Jin Gyu, Barkhordar-Pour, Hoda, Ayed, Ahmed Ben, Mitran, Patrick, Boumaiza, Slim

“…This letter lays the foundation for reducing the required number of transmitter-observation receivers (TORs) for training digital predistortion (DPD) in fully…”
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Millimeter Wave SOI-CMOS Power Amplifier With Enhanced AM-PM Characteristic by Xia, Jingjing, Fang, Xiaohu, Ayed, Ahmed Ben, Boumaiza, Slim

“…This paper proposes a novel inter-stage load-pull characterization method to enhance the linearity of millimeter wave integrated power amplifiers (PAs) by…”
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Digital Predistortion of Millimeter-Wave Hybrid Beamforming Transmitters Using Observation Receivers With Low-Bit Resolution Analog-to-Digital Converter by Ayed, Ahmed Ben, Ng, Eric, Mitran, Patrick, Boumaiza, Slim

“…This paper proposes a new digital predistortion (DPD) scheme for linearizing millimeter-wave hybrid beamforming transmitters using observation receivers with…”
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Bronchoplasty for the treatment of carcinoid tumour by Zribi, Hazem, Ben Ayed, Ahmed, Abdelkbir, Amina, Bouassida, Imen, Maazaoui, Sarra, Marghli, Adel

“…Lung carcinoid tumours are rare neoplasms with a favourable prognosis. Bronchoplasty can be a conservative treatment for typical carcinoid tumours and can be…”
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Time‐based differences in the effects of positive and negative affectivity on perceived supervisor support and organizational commitment among newcomers by Vandenberghe, Christian, Panaccio, Alexandra, Bentein, Kathleen, Mignonac, Karim, Roussel, Patrice, Ayed, Ahmed Khalil Ben

“…Summary Building on the broaden‐and‐build theory and research on the negativity bias, this study examines how trait affectivity, as a stable predisposition…”
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Novel Algorithm to Synthesize the Tapering Profile for Enhanced Linearization of RF Beamforming Arrays Over a Wide Steering Range by Ayed, Ahmed Ben, Mitran, Patrick, Boumaiza, Slim

“…This article proposes an algorithm to synthesize a tapering profile that reduces the extent of the variation of the active reflection coefficients seen by the…”
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Digital Predistortion of Millimeter-Wave RF Beamforming Arrays Using Low Number of Steering Angle-Dependent Coefficient Sets by Ng, Eric, Beltagy, Yehia, Scarlato, Giovanni, Ben Ayed, Ahmed, Mitran, Patrick, Boumaiza, Slim

“…This paper proposes a single-input single-output (SISO) digital predistortion (DPD) model for linearizing millimeter-wave (mm-wave) RF beamforming arrays. It…”
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Digital Predistortion of Frequency Multiplier-Based Vector Signal Sources With Constrained Transmitter and Observation Receiver Bandwidth by Ben Ayed, Ahmed, Jaffri, Ifrah, Darwish, Ali M., Mitran, Patrick, Boumaiza, Slim

“…This article proposes a novel digital predistortion (DPD) scheme to linearize frequency multiplier (FX)-based vector signal sources that are subject to…”
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Job scope, affective commitment, and turnover: The moderating role of growth need strength by Zargar, Mahmood Shafeie, Vandenberghe, Christian, Marchand, Catherine, Ayed, Ahmed Khalil Ben

“…Using a sample of business alumni from multiple organizations (N = 230), we examined the relationships of job scope to actual turnover, measured 15 months…”
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Proof-of-Concept of Millimeter-Wave RF Beamforming Transmitter Architecture Employing Frequency-Multiplier-Based Up-Converters by Ben Ayed, Ahmed, Jaffri, Ifrah, Darwish, Ali M., Mitran, Patrick, Boumaiza, Slim

“…This letter proposes a millimeter-wave (mm-wave) RF beamforming transmitter (TX) architecture that employs frequency multipliers (FMs) as frequency…”
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Analysis and Linearization of Frequency-Multiplier-Based RF Beamforming Transmitters Over a Wide Steering Range by Ben Ayed, Ahmed, Jaffri, Ifrah, ElAdwy, Mahitab, Darwish, Ali M., Mitran, Patrick, Boumaiza, Slim

“…This article first analyzes the nonlinear behavior of frequency-multiplier (FM)-based radio frequency (RF) beamforming transmitters TXs) over a wide range of…”
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Active Calibration Approach Addressing Antenna Mutual Coupling and Power Amplifier Output Mismatch in Fully Digital MIMO Transmitters by Barkhordar-Pour, Hoda, Lim, Jin Gyu, Ayed, Ahmed Ben, Mitran, Patrick, Boumaiza, Slim

“…This article introduces an active calibration scheme tailored for fully digital multiple-input multiple-output (MIMO) transmitters, a key step toward ensuring…”
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