Browsing Theses by Supervisor "Boumaiza, Slim"
Now showing items 1-20 of 34
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17-21 GHz Low-Noise Amplifier with Embedded Interference Rejection
(University of Waterloo, 2023-01-06)The ever-growing demand for high performance wireless connectivity has led to the development of fifth-generation (5G) wireless communication standards as well as satellite communication (Satcom). Both 5G wireless ... -
A 37-40 GHz Dual-Polarized 16-Element Phased-Array Antenna with Near-Field Probes
(University of Waterloo, 2022-09-21)With the development of fifth-generation (5G) communication networks, in order to meet the growing demand for high-speed and low-latency wireless communication services, channel capacity has become the main driving force ... -
A 39GHz Balanced Power Amplifier with Enhanced Linearity in 45 nm SOI CMOS
(University of Waterloo, 2022-09-20)With the high data rate communication systems that come with fifth-generation (5G) mobile networks, the shift of operation to millimeter-wave frequency becomes inevitable. The expected data rate in 5G is significantly ... -
Broadband Doherty Power Amplifiers with Enhanced Linearity for Emerging Radio Transmitters
(University of Waterloo, 2016-01-22)The ever-increasing demand for utilizing wireless spectra has led to development of spectrally efficient radio systems. While these systems offer much higher data throughput, they employ more sophisticated modulation ... -
Broadband Linearity-Enhanced Doherty Power Amplifier Design Techniques for 5G Sub-6 GHz Applications
(University of Waterloo, 2021-08-27)The recently deployed fifth generation (5G) cellular networks represent a significant technological advancement over fourth generation (4G) networks. Specifically, new 5G frequency bands were allocated at sub-6 GHz and ... -
Characterization and Linearization of 5G mm-Wave Power Amplifiers Using Reduced-Sampling Observation Receiver
(University of Waterloo, 2017-08-24)In this work, an advanced calibration routine is proposed to determine the frequency response of a feedback receiver over a targeted linearization bandwidth, when only sub-Nyquist (aliased) samples are available. A new ... -
Compensation for Impairments of Frequency Converters in Millimeter Wave Vector Signal Generators
(University of Waterloo, 2018-09-05)The upcoming fifth generation (5G) of wireless communications aims to utilize millimeter wave (mm-wave) frequencies in its infrastructure to alleviate the crowded spectrum problem below 6 GHz. At higher frequencies, ... -
Concurrent Dual-band Doherty Power Amplifiers for Carrier Aggregation
(University of Waterloo, 2017-06-21)Carrier aggregation is the main feature of the Long Term Evolution advanced (LTE-A) standard to increase the spectral efficiency and communication bandwidth. It calls for wireless transmitters to be multi-band and ... -
Design of 28 GHz 4x4 RF Beamforming Array for 5G Radio Front-Ends
(University of Waterloo, 2019-08-29)Current state of wireless infrastructure sees mass migration to higher frequencies as much of the already used spectrum is insufficient in supporting the influx of numerous users and various data intensive mobile applications. ... -
Digital Predistortion of Frequency-Multipliers-Based Wideband Millimeter-Wave Sources
(University of Waterloo, 2020-01-16)Radio frequency (RF) technology has seen unprecedented advancements over the past few decades. These advancements have been driven by continuously growing demand for wireless networks with higher capacity and radar and ... -
Digital Predistortion of Millimeter-Wave Phased Antenna Arrays
(University of Waterloo, 2018-09-07)The cost of deployment of reliable, high-throughput, fifth-generation (5G) millimeter-wave (mm-wave) base stations will depend significantly on the maximum equivalent isotropically radiated power (EIRP) that the base ... -
Digitally-Assisted RF-Analog Self Interference Cancellation for Wideband Full-Duplex Radios
(University of Waterloo, 2016-10-25)The ever-increasing demand for more data from users is pushing the development of alternative wireless technologies to improve upon network capacity. Full-Duplex radios provide an exciting opportunity to theoretically ... -
Efficiency and Linearity Improvement of Sub-6GHz Digital Beam-forming Transmitters
(University of Waterloo, 2021-09-16)The fifth generation (5G) cellular network promises to bring higher data capacity, faster transmission speed, and lower latency. 5G employs massive multiple-input multiple-output (mMIMO) architecture which enables many ... -
Enhanced EIRP and Reconfigurable Polarization Antenna for Millimeter-Wave Digital Beamforming using Circular Arrays
(University of Waterloo, 2024-02-22)The move towards millimeter wave (mm-wave) frequency bands in wireless communication has been driven by the need for higher data rates. However, some of the major challenges faced with the shift to mm-wave are high free ... -
Experimental Investigation of the Power Amplifiers’ Nonlinearity using a 3.5 GHz 2×2 RF Front-end Prototype
(University of Waterloo, 2020-01-16)Next generation communication systems will demand extremely high system capacity. Ap-proaches such as complex digital modulation schemes, widening of the instantaneous band-width and massive multi-input multi-output (MIMO) ... -
Frequency Multiplier-Based RF Beamforming Front-End for Vector Modulated Signal Transmission
(University of Waterloo, 2024-02-05)In the rapidly evolving era of wireless communications, the advent of sixth-generation (6G) technology promises unprecedented advancements in terms of high data rates and ultra-low latency, which will lead to significant ... -
Fully Integrated 60 GHz Power Amplifiers in 45nm SOI CMOS
(University of Waterloo, 2016-09-01)With the rapid growth of consumer demand for high data rates and high speed communications, the wireless spectrum has become increasingly precious. This has promoted the evolution of new standards and modulation schemes ... -
Hardware-Aware Precoding and Digital Predistortion for Massive MIMO Transmitters
(University of Waterloo, 2022-05-19)To cope with the ever-increasing demand for higher data rates, reduced latency, and improved coverage, new technologies are needed to advance the current state of wireless communication systems. One of the promising new ... -
High Linearity Broadband RF Vector Multiplier for Analog/RF Pre-distortion
(University of Waterloo, 2016-09-23)Wireless communication systems are moving towards a heterogeneous solution, where small-cell base stations such as pico-cells and femto-cells are used concurrently with macro- cell base stations in high data traffic areas. ... -
I/Q Imbalance Identification and Compensation for Millimeter-wave MIMO Systems
(University of Waterloo, 2019-09-20)Today’s fourth generation (4G) cellular mobile communication networks are tasked with providing service for an ever increasing number of mobile users and their demand for increased data rates. The fifth generation (5G) ...