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Title: 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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