Browsing Engineering (Faculty of) by Subject "5G"
Now showing items 1-18 of 18
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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 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 ... -
5G Fixed Wireless Access for Bridging the Rural Digital Divide
(University of Waterloo, 2021-09-22)Despite the ubiquitous level of mobile and fixed broadband (FB) connectivity that exists for many people today, the availability of high quality FB services in rural communities is generally much lower than in urban ... -
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 ... -
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. ... -
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 ... -
Enabling Millimeter Wave Communication for 5G Cellular Networks: MAC-layer Perspective
(University of Waterloo, 2015-04-20)Data traffic among mobile devices increases dramatically with emerging high-speed multimedia applications such as uncompressed video streaming. Many new applications beyond personal communications involve tens or even ... -
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) ... -
An Implementation of 5G-AKA and a Usability Analysis of OpenLDAP Access Control Lists (ACLs)
(University of Waterloo, 2021-08-27)We address two pieces of work: (i) an implementation of the Authentication and Key Agreement protocol suite from the 5th generation cellular communications standards (5G-AKA) that we intend to make available as open-source, ... -
Investigations into Impedance Tuners for the Next Generation of Communication Systems
(University of Waterloo, 2023-01-03)Novel communication systems, including 5G and the upcoming 6G cellular networks and software defined/cognitive radio technologies, call for compact, multi-band, and reconfigurable circuit components. Specifically, stringent ... -
Millimeter-wave 39 GHz 4x4 Phased Antenna Array with Embedded Near-field Probing Antenna for Performance Enhancement
(University of Waterloo, 2023-04-19)Beamforming arrays are a vital technology for millimeter-wave (mm-wave) wireless communication systems. A large amount of research and an increasing number of phased array prototypes have been developed which provide high ... -
Monolithic Integrated Reconfigurable RF-MEMS Phase Shifters
(University of Waterloo, 2022-08-26)Micro-electro-mechanical systems (MEMS) actuators are a key technology that have been utilized in many real-world applications. This thesis investigates the application of MEMS technology in the design of RF components and ... -
Monolithically Integrated Phase Change Material GeTe-Based RF Components for Millimeter Wave Applications
(University of Waterloo, 2020-05-22)RF switches are the fundamental building blocks for realizing reconfigurable front-ends in communication devices. Currently available RF switches are dominated by semiconductor technology which, while performing adequately ... -
Near-field Probing Array for Enhancing 5G mm-wave Beamforming Transmitter Performance
(University of Waterloo, 2021-09-10)As sub-6 GHz fifth-generation (5G) communication networks begin to deploy commercially, the industry is seeing a paradigm shift towards the millimeter wave (mm-wave) bands as they provide multi-gigahertz of frequency ... -
A Novel Power-Scalable Wideband Power Amplifier Linearization Technique
(University of Waterloo, 2019-08-29)Global mobile traffic is expected to continue to increase at an astonishing rate in the future, due to the ever-increasing number of mobile phone subscribers and the adoption of smart devices which generate significantly ... -
Performance of Massive MIMO with Interference Decoding
(University of Waterloo, 2021-08-06)In a massive MIMO system, base stations (BS) utilize a large number of antennas to simultaneously serve several (single or multi-antenna) users at once, where the number of BS antennas is normally assumed to be significantly ... -
Smart Planning and Operation in Cellular Networks
(University of Waterloo, 2020-12-14)Cellular networks are less and less regular as operators add base stations (BSs) to increase coverage and performance. Given these facts, we explore the network planning and operation stages of the downlink of a multi-cell ...