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Design of an Integrated mm-wave Area and Energy-Efficient Analog (RF) Beamformer

  • Author / Creator
    Khodarahmi, Ehsan
  • The rising demand for high-data-rate services has led to increased congestion in traditional low-GHz RF wireless communication channels. To alleviate this bandwidth shortage, higher-frequency bands like millimeter-wave and sub-THz frequencies are used. However, these higher-frequency signals suffer from greater path losses, limiting their communication range. Directional and phased array antennas have emerged as
    solutions to this challenge, enabling the focused transmission or reception of signals in
    specific directions to extend the communication range. Phased array systems, utiliz-
    ing techniques known as beamforming, adjust phase shifts between antenna elements
    to create directional beams. Their advantages include faster response times, greater
    flexibility, and smaller form factors compared to mechanical alternatives, making them
    popular in various modern wireless applications. Moreover, there is a growing demand
    for energy-efficient and compact phased array systems to make them more suitable for
    use in applications in which battery life and device sizes are the main concerns, rang-
    ing from handheld 5G/6G devices to UAV and satellite communication equipment.
    This study proposes innovative circuit solutions to meet this demand, addressing RF
    analog beamforming and exploring methods to improve power efficiency and reduce
    chip size.

  • Subjects / Keywords
  • Graduation date
    Fall 2024
  • Type of Item
    Thesis
  • Degree
    Doctor of Philosophy
  • DOI
    https://doi.org/10.7939/r3-86zn-8v80
  • License
    This thesis is made available by the University of Alberta Library with permission of the copyright owner solely for non-commercial purposes. This thesis, or any portion thereof, may not otherwise be copied or reproduced without the written consent of the copyright owner, except to the extent permitted by Canadian copyright law.