System and method for ultra-high-resolution ranging using RFID
Abstract
A radio-frequency method for range finding includes modulating a reference signal having an intermediate frequency to a downlink signal having a carrier frequency using a clock signal. The downlink signal is transmitted to a tag using a transceiver. An uplink signal backscattered from the tag is received and demodulated using the clock signal. The uplink signal has a frequency that is a harmonic of the carrier frequency. A distance between the tag and the transceiver is calculated based on a phase of the demodulated uplink signal. A system for range finding includes a transceiver and a processor. The transceiver modulates a reference signal to a downlink signal and transmits the downlink signal. The transceiver receives and demodulates an uplink signal. The processor is configured to receive the demodulated uplink signal and calculate a distance between the tag and the transceiver using a phase of the demodulated uplink signal.
- Inventors:
- Issue Date:
- Research Org.:
- Cornell Univ., Ithaca, NY (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1986911
- Patent Number(s):
- 11519996
- Application Number:
- 17/289,702
- Assignee:
- Cornell University (Ithaca, NY)
- DOE Contract Number:
- AR0000528; AR0000946
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 10/31/2019
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Hui, Xiaonan, and Kan, Edwin C. System and method for ultra-high-resolution ranging using RFID. United States: N. p., 2022.
Web.
Hui, Xiaonan, & Kan, Edwin C. System and method for ultra-high-resolution ranging using RFID. United States.
Hui, Xiaonan, and Kan, Edwin C. Tue .
"System and method for ultra-high-resolution ranging using RFID". United States. https://www.osti.gov/servlets/purl/1986911.
@article{osti_1986911,
title = {System and method for ultra-high-resolution ranging using RFID},
author = {Hui, Xiaonan and Kan, Edwin C.},
abstractNote = {A radio-frequency method for range finding includes modulating a reference signal having an intermediate frequency to a downlink signal having a carrier frequency using a clock signal. The downlink signal is transmitted to a tag using a transceiver. An uplink signal backscattered from the tag is received and demodulated using the clock signal. The uplink signal has a frequency that is a harmonic of the carrier frequency. A distance between the tag and the transceiver is calculated based on a phase of the demodulated uplink signal. A system for range finding includes a transceiver and a processor. The transceiver modulates a reference signal to a downlink signal and transmits the downlink signal. The transceiver receives and demodulates an uplink signal. The processor is configured to receive the demodulated uplink signal and calculate a distance between the tag and the transceiver using a phase of the demodulated uplink signal.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2022},
month = {12}
}
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