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SUMMARY:Integrated Solar-Pannel Antennas by Prof. Reyhan Baktur
DESCRIPTION:Please join us for an upcoming talk on Apr 13\, 3-4 pm (Eastern Time) by Prof. Reyhan Baktur titled “Integrated Solar-Pannel Antennas\,” as part of the 2021-2022 IEEE AP-S seminar series. \nAbstract: \nConformal Integration of antennas with solar panels has wide applications\, from small spacecraft\, Mars rovers\, to self-powered wireless sensors. It is particularly beneficial when the surface real estate is a major challenge\, such as a CubeSat. A strategic integration not only reduces the development cost\, promotes a robust communication link\, but also increases the mission capacity by allowing more science instruments to be mounted on the CubeSat. \nThis lecture covers different conformal antenna designs for solar panel integration\, from UHF to Ka band. It includes antennas integrated under solar cells\, around solar cells\, and optically transparent antennas integrated on top of solar cells. It also covers low gain and high gain design. The high gain design mainly focuses on reflectarray antenna\, which may be beneficial to those who wishes to study the subject. \nAs these antennas are integrated with solar panel\, a unique and complex subsystem\, effects of solar cells on the antenna and vice versa need to be analyzed and quantified. The lecture presents analysis of a typical space-certified solar cell\, extracted model\, experimental set-up to quantify the interaction between solar cells and the integrated antennas. \nAbout Speaker: \n \nDr. Reyhan Baktur is an associate professor at the department of Electrical and Computer Engineering (ECE)\, Utah State University (USU). Her research interests include antennas and microwave engineering with a focus on antenna design for CubeSats; optically transparent antennas; multifunctional integrated antennas\, sensors\, and microwave circuits. She is affiliated with the Center for Space Engineering at USU\, the Space Dynamics Laboratory (the university affiliated research center)\, and collaborates with NASA Goddard Space Flight Center. Dr. Baktur is an AdCom member of IEEE Antennas and Propagation Society\, and is active in US National Committee of the International Union of Radio Science\, serving as the vice chair for commission B\, and the inaugural chair for the Women in Radio Science. She is passionate and committed to electromagnetic education and student recruiting by introducing CubeSat projects in undergraduate classrooms. She is the recipient of the IEEE Antennas and Propagation Society’s (APS) the Donald G. Dudley Jr. Undergraduate Teaching Award in 2013 and has been actively serving IEEE APS student paper competition and student design contest. Dr. Baktur’s lectures will focus on CubeSat Development Basics\, Link Budget Analysis and Development\, Antenna Designs for CubeSats and Small Satellites\, Transparent Antennas\, and Class Projects for Electromagnetic Courses
URL:https://www.ieeetoronto.ca/event/integrated-solar-pannel-antennas-by-prof-reyhan-baktur/
LOCATION:Toronto\, Ontario\, Canada
CATEGORIES:Electromagnetics & Radiation
ORGANIZER;CN="University of Toronto AP-S":MAILTO:pz.naseri@gmail.com
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DTSTART;TZID=America/New_York:20220421T160000
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SUMMARY:Distributed Phased Arrays: Challenges and Recent Progress
DESCRIPTION:There has been significant research devoted to the development of distributed microwave wireless systems in recent years. The progression from large\, single-platform wireless systems to collections of smaller\, coordinated systems on separate platforms enables significant benefits for radar\, remote sensing\, communications\, and other applications. The ultimate level of coordination between platforms is at the wavelength level\, where separate platforms operate as a coherent distributed system. Wireless coherent distributed systems operate in essence as distributed phased arrays\, and the signal gains that can be achieved scale proportionally to the number of transmitters squared multiplied by the number of receivers\, providing potentially dramatic increases in wireless system capabilities. Distributed array coordination requires accurate control of the relative electrical states of the nodes. Generally\, such control entails wireless frequency synchronization\, phase calibration\, and time alignment\, but for remote sensing operations\, phase control also requires high-accuracy knowledge of the relative positions of the nodes in the array to support beamforming. \nThis lecture presents an overview of the challenges involved in distributed phased array coordination\, and describes recent progress on microwave technologies that address these challenges. Requirements for achieving distributed phase coherence at microwave frequencies are discussed\, including the impact of component non-idealities such as oscillator drift on beamforming performance. Architectures for enabling distributed beamforming are reviewed\, along with the relative challenges between transmit and receive beamforming. Microwave and millimeter-wave technologies enabling wireless phase-coherent synchronization are discussed\, focusing on technologies for high-accuracy internode ranging\, wireless frequency transfer\, and high-accuracy time alignment. The lecture concludes with a discussion of open challenges in distributed phased arrays\, and where microwave technologies may play a role. \nSpeaker(s): Prof. Jeffrey Nanzer \nRegister: https://events.vtools.ieee.org/m/311733 \nBiography: \n \nJeffrey Nanzer (S’02-M’08-SM’14) received the B.S. degree in electrical engineering and computer engineering from Michigan State University\, East Lansing\, MI\, USA\, in 2003\, and the M.S. and Ph.D. degrees in electrical engineering from The University of Texas at Austin\, Austin\, TX\, USA\, in 2005 and 2008\, respectively. From 2008 to 2009\, he was a Postdoctoral Fellow with Applied Research Laboratories\, The University of Texas at Austin\, where he was involved in designing electrically small HF antennas and communication systems. From 2009 to 2016\, he was with The Johns Hopkins University Applied Physics Laboratory\, Laurel\, MD\, USA\, where he created and led the Advanced Microwave and Millimeter-Wave Technology Section. In 2016\, he joined the Department of Electrical and Computer Engineering\, Michigan State University\, where he is currently the Dennis P. Nyquist Associate Professor. He has authored or co-authored more than 150 refereed journal and conference papers\, authored the book Microwave and Millimeter-Wave Remote Sensing for Security Applications (Artech House\, 2012)\, and co-authored chapters in the books Wireless Transceiver Circuits (Taylor and Francis\, 2015) and Short-Range Micro-Motion Sensing: Hardware\, signal processing and machine learning (IET\, 2019). His current research interests include distributed arrays\, radar and remote sensing\, antennas\, electromagnetics\, and microwave photonics. \nDr. Nanzer was a founding member and the First Treasurer of the IEEE APS/MTT-S Central Texas Chapter. He is also a member of the IEEE Antennas and Propagation Society Education Committee and the USNC/URSI Commission B. He was a recipient of the Outstanding Young Engineer Award from the IEEE Microwave Theory and Techniques Society in 2019\, the DARPA Director’s Fellowship in 2019\, the National Science Foundation (NSF) CAREER Award in 2018\, the DARPA Young Faculty Award in 2017\, and the JHU/APL Outstanding Professional Book Award in 2012. He has served as the Vice-Chair for the IEEE Antenna Standards Committee from 2013 to 2015 and the Chair of the Microwave Systems Technical Committee (MTT-16) of the IEEE Microwave Theory and Techniques Society from 2016 to 2018. He is also an Associate Editor of the IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION.
URL:https://www.ieeetoronto.ca/event/distributed-phased-arrays-challenges-and-recent-progress/
LOCATION:Toronto\, Ontario\, Canada\, Virtual: https://events.vtools.ieee.org/m/311733
CATEGORIES:Electromagnetics & Radiation
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