Title:
CURRENT AND VOLTAGE SENSING BASED VOLTAGE-STANDING-WAVE-RATIO IMPEDANCE AND POWER DETECTOR AND METHOD
Document Type and Number:
WIPO Patent Application WO/2023/154518
Kind Code:
A3
Abstract:
A broadband-capable current/voltage sensing-based VSWR resilient true power/impedance detector and method are disclosed that can be used for single-ended interfaces of individual phased array elements of a phased array antenna, e.g., large-scaled integrated phased-arrays. The true power and impedance detectors, as Built-in-Self-Test (BiST or BIST) circuitries, may each employ an in situ load invariant power and impedance sensor to provide true measurements of power and impedance that can be used to detect and/or monitor for VSWR variations and/or variations in the antenna driving impedance due to antenna element coupling and/or other effects. The measured power and impedance output(s) of each BIST circuitry can then be used to adjust or drive respective passive or active tuning circuitry, e.g., in the power amplifier or other front-end circuitries of the phased array antenna, for performance recovery (or optimization) of a respective array element.
Inventors:
MUNZER DAVID J (US)
MANNEM NAGA SASIKANTH (US)
WANG HUA (US)
MANNEM NAGA SASIKANTH (US)
WANG HUA (US)
Application Number:
PCT/US2023/012927
Publication Date:
September 28, 2023
Filing Date:
February 13, 2023
Export Citation:
Assignee:
GEORGIA TECH RES INST (US)
International Classes:
H04B17/10; G01R31/28; H01Q21/00; H04B17/12; H04B17/13; H04B17/14; H04B17/19
Foreign References:
| US20210116501A1 | 2021-04-22 | |||
| US20150318610A1 | 2015-11-05 |
Other References:
MUNZER DAVID; MANNEM NAGA SASIKANTH; WANG HUA: "A Single-Ended Coupler-Based VSWR Resilient Joint mm-Wave True Power Detector and Impedance Sensor", IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, IEEE SERVICE CENTER, NEW YORK, NY., US, vol. 31, no. 6, 26 March 2021 (2021-03-26), US , pages 812 - 815, XP011859355, ISSN: 1531-1309, DOI: 10.1109/LMWC.2021.3068012
Attorney, Agent or Firm:
TANPITUKPONGSE, T. Paul et al. (US)
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