POLARIZATION TECHNIQUES FOR SUPPRESSION OF HARMONIC COUPLING AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS
First Claim
Patent Images
1. A system, comprising:
- an interrogator device, comprising;
a first transmit antenna configured to transmit radio-frequency (RF) signals circularly polarized in a first rotational direction; and
a first receive antenna configured to receive RF signals circularly polarized in a second rotational direction different from the first rotational direction; and
a target device, comprising;
a second receive antenna configured to receive RF signals circularly polarized in the first rotational direction anda second transmit antenna configured to transmit, to the interrogator device, RF signals circularly polarized in the second rotational direction.
1 Assignment
0 Petitions
Accused Products
Abstract
A system comprising: an interrogator device, comprising: a first transmit antenna configured to transmit radio-frequency (RF) signals circularly polarized in a first rotational direction; and a first receive antenna configured to receive RF signals circularly polarized in a second rotational direction different from the first rotational direction; and a target device, comprising: a second receive antenna configured to receive RF signals circularly polarized in the first rotational direction and a second transmit antenna configured to transmit, to the interrogator device, RF signals circularly polarized in the second rotational direction.
-
Citations
20 Claims
-
1. A system, comprising:
-
an interrogator device, comprising; a first transmit antenna configured to transmit radio-frequency (RF) signals circularly polarized in a first rotational direction; and a first receive antenna configured to receive RF signals circularly polarized in a second rotational direction different from the first rotational direction; and a target device, comprising; a second receive antenna configured to receive RF signals circularly polarized in the first rotational direction and a second transmit antenna configured to transmit, to the interrogator device, RF signals circularly polarized in the second rotational direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
-
-
17. A method, comprising:
-
transmitting, using a first transmit antenna, a first radio-frequency (RF) signal circularly polarized in a first rotational direction; receiving, using a second receive antenna, a second RF signal circularly polarized in the first rotational direction, the second RF signal resulting from propagation of the first RF signal; transmitting, using a second transmit antenna, a third RF signal circularly polarized in a second rotational direction different from the first rotational direction, the third signal generated using the second RF signal; and receiving, using a first receive antenna, a fourth RF signal circularly polarized in the second rotational direction, the fourth signal resulting from propagation of the third RF signal. - View Dependent Claims (18)
-
-
19. A device, comprising:
-
a first transmit antenna configured to transmit, to a target device, a first radio-frequency (RF) signal circularly polarized in a first rotational direction; a first receive antenna configured to receive, from the target device, a second RF signal circularly polarized in a second rotational direction different from the first rotational direction; and circuitry configured to determine a distance between the device and the target device using the first RF signal and the second RF signal. - View Dependent Claims (20)
-
Specification