US 2026/0303228 A1 · DEVICE LOCALIZATION WITH CHANNEL SOUNDING AND PASSIVE SIGNALING

Abstract

An example apparatus includes: an initiator device configurable to: transmit a calibration signal; receive a reflected calibration signal from a first location, the reflected calibration signal including multipath components; and transmit a localization signal; and programmable circuitry coupled to the initiator device, the programmable circuitry configurable to: determine characteristics of the reflected calibration signal; and reduce the multipath components of a reflected localization signal from a second location received at the first location using the characteristics of the reflected calibration signal received by the initiator device, wherein the reflected localization signal is a reflection of the localization signal.

Claims20

Dependent claims

An apparatus comprising:

an initiator device configurable to:
transmit a calibration signal;
receive a reflected calibration signal from a first location, the reflected calibration signal including multipath components;
and
transmit a localization signal;
and
programmable circuitry coupled to the initiator device, the programmable circuitry configurable to:
determine characteristics of the reflected calibration signal;
and
reduce the multipath components of a reflected localization signal from a second location received at the first location using the characteristics of the reflected calibration signal received by the initiator device, wherein the reflected localization signal is a reflection of the localization signal.

7 more elements

A method comprising:

transmitting a calibration signal from a first location;
determining characteristics of the calibration signal received at a second location, the characteristics of the calibration signal received at the second location including multipath components;
transmitting a reflected calibration signal from the second location, the reflected calibration signal is a reflection of the calibration signal;
determining characteristics of the reflected calibration signal received at the first location, the characteristics of the reflected calibration signal received at the first location including multipath components;
and
reducing the multipath components of a reflected localization signal from a third location and received at the second location using the characteristics of the calibration signal received at the second location and the characteristics of the reflected calibration signal received at the first location.

3 more elements

Dependencies are inferred from the claim text.

Device localization with channel sounding and passive signaling

Life of this patent

Device localization with channel sounding and passive signaling

Life of this patent

Abstract

Claims20