Back to results
US 11,894,919 B2Granted
Radio frequency receive chain control for receiving satellite positioning signals
AssigneeQUALCOMM Incorporated
InventorsRayman Pon, Pranav Iyengar, Liang Zhao
Life of this patent
Estimating the term…
Abstract
A satellite signal processing method includes: receiving, at a user equipment, a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites; receiving, at the user equipment, a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites; and controlling an activation status of at least one of: a first satellite signal receive chain, of the user equipment, configured to measure the first satellite signal; or a second satellite signal receive chain, of the user equipment, configured to measure the second satellite signal.
Claims26
A user equipment comprising:
- a memory;
- a controller communicatively coupled to the memory;
- and
- a satellite positioning system receiver communicatively coupled to the controller and comprising:
- a first satellite signal receive chain configured to receive a first satellite signal, of a first frequency band, from at least one satellite of a constellation of satellites;
- and
- a second satellite signal receive chain configured to measure a second satellite signal, of a second frequency band, from the at least one satellite of the constellation of satellites;
- wherein the controller is configured to control an activation status of at least one of the first satellite signal receive chain or the second satellite signal receive chain, and
- wherein the first satellite signal has at least one of fewer associated search hypotheses than the second satellite signal or a smaller bandwidth than the second satellite signal, and wherein the controller is configured to control the first satellite signal receive chain to be active in response to receiving a request to acquire a third satellite signal from the at least one satellite of the constellation of satellites.
6 more elements
A user equipment comprising:
- a memory;
- a controller communicatively coupled to the memory;
- and
- a satellite positioning system receiver communicatively coupled to the controller and comprising:
- a first satellite signal receive chain configured to receive a first satellite signal, of a first frequency band, from at least one satellite of a constellation of satellites;
- and
- a second satellite signal receive chain configured to measure a second satellite signal, of a second frequency band, from the at least one satellite of the constellation of satellites;
- wherein the controller is configured to control an activation status of at least one of the first satellite signal receive chain or the second satellite signal receive chain;
- and
- wherein the first satellite signal has a smaller bandwidth than the second satellite signal, and wherein the controller is configured to control the second satellite signal receive chain to be active, and at least one component of the first satellite signal receive chain to be inactive, in response to receiving a request to track the at least one satellite of the constellation of satellites with the second satellite signal.
7 more elements
A user equipment comprising:
- a memory;
- a controller communicatively coupled to the memory;
- and
- a satellite positioning system receiver communicatively coupled to the controller and comprising:
- a first satellite signal receive chain configured to receive a first satellite signal, of a first frequency band, from at least one satellite of a constellation of satellites;
- and
- a second satellite signal receive chain configured to measure a second satellite signal, of a second frequency band, from the at least one satellite of the constellation of satellites;
- wherein the controller is configured to control an activation status of at least one of the first satellite signal receive chain or the second satellite signal receive chain,
- wherein the controller is configured to control the first satellite signal receive chain to be active, and the second satellite signal receive chain to be active, in response to receiving a request to determine an ionospheric delay from the at least one satellite of the constellation of satellites.
6 more elements
A user equipment comprising:
- a memory;
- a controller communicatively coupled to the memory;
- and
- a satellite positioning system receiver communicatively coupled to the controller and comprising:
- a first satellite signal receive chain configured to receive a first satellite signal, of a first frequency band, from at least one satellite of a constellation of satellites;
- and
- a second satellite signal receive chain configured to measure a second satellite signal, of a second frequency band, from the at least one satellite of the constellation of satellites;
- wherein the controller is configured to control an activation status of at least one of the first satellite signal receive chain or the second satellite signal receive chain;
- and
- wherein the controller is configured to control at least one of the first satellite signal receive chain to be active, or the second satellite signal receive chain to be active, or a combination thereof, based on:
- signal acquisition speeds associated with acquiring the first satellite signal and acquiring the second satellite signal, and a desired satellite signal acquisition speed;
- or
- position accuracy associated with the first satellite signal and the second satellite signal, and a desired position accuracy;
- or
- a combination thereof.
12 more elements
A satellite signal processing method comprising:
- receiving, at a user equipment, a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites;
- receiving, at the user equipment, a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites;
- and
- controlling an activation status of at least one of:
- a first satellite signal receive chain, of the user equipment, configured to measure the first satellite signal;
- or a second satellite signal receive chain, of the user equipment, configured to measure the second satellite signal,
- wherein the first satellite signal has at least one of fewer associated search hypotheses than the second satellite signal or a smaller bandwidth than the second satellite signal, and wherein controlling the activation status comprises controlling the first satellite signal receive chain to be active in response to receiving a request to acquire a third satellite signal from the at least one satellite of the constellation of satellites.
4 more elements
A satellite signal processing method comprising:
- receiving, at a user equipment, a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites;
- receiving, at the user equipment, a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites;
- and
- controlling an activation status of at least one of:
- a first satellite signal receive chain, of the user equipment, configured to measure the first satellite signal;
- or a second satellite signal receive chain, of the user equipment, configured to measure the second satellite signal;
- wherein the first satellite signal has a smaller bandwidth than the second satellite signal, and wherein controlling the activation status comprises controlling the second satellite signal receive chain to be active, and at least one component of the first satellite signal receive chain to be inactive, in response to receiving a request to track the at least one satellite of the constellation of satellites with the second satellite signal.
4 more elements
A satellite signal processing method comprising:
- receiving, at a user equipment, a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites;
- receiving, at the user equipment, a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites;
- and
- controlling an activation status of at least one of:
- a first satellite signal receive chain, of the user equipment, configured to measure the first satellite signal;
- or a second satellite signal receive chain, of the user equipment, configured to measure the second satellite signal,
- wherein controlling the activation status comprises controlling the first satellite signal receive chain to be active, and the second satellite signal receive chain to be active, in response to receiving a request to determine an ionospheric delay from the at least one satellite of the constellation of satellites.
4 more elements
A satellite signal processing method comprising:
- receiving, at a user equipment, a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites;
- receiving, at the user equipment, a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites;
- and
- controlling an activation status of at least one of:
- a first satellite signal receive chain, of the user equipment, configured to measure the first satellite signal;
- or a second satellite signal receive chain, of the user equipment, configured to measure the second satellite signal;
- wherein controlling the activation status comprises controlling at least one of the first satellite signal receive chain to be active, or the second satellite signal receive chain to be active, or a combination thereof, based on:
- signal acquisition speeds associated with acquiring the first satellite signal and acquiring the second satellite signal, and a desired satellite signal acquisition speed;
- or
- position accuracy associated with the first satellite signal and the second satellite signal, and a desired position accuracy;
- or
- a combination thereof.
9 more elements
A user equipment comprising:
- means for measuring a first satellite signal of a first frequency band from at least one satellite of a constellation of satellites;
- means for measuring a second satellite signal of a second frequency band and from the at least one satellite of the constellation of satellites;
- and
- means for controlling an activation status of at least one of the means for measuring the first satellite signal or the means for measuring the second satellite signal,
- wherein the first satellite signal has at least one of fewer associated search hypotheses than the second satellite signal or a smaller bandwidth than the second satellite signal, and wherein means for controlling the activation status comprises means for controlling the first satellite signal receive chain to be active in response to receiving a request to acquire a third satellite signal from the at least one satellite of the constellation of satellites.
2 more elements
A non-transitory, processor-readable storage medium comprising processor-readable instructions to cause a processor of a user equipment to:
- control an activation status of at least one of a first satellite signal receive chain of the user equipment or a second satellite signal receive chain of the user equipment;
- wherein the first satellite signal receive chain is configured to measure a first satellite signal, of a first frequency band, from at least one satellite of a constellation of satellites;
- wherein the second satellite signal receive chain is configured to measure a second satellite signal, of a second frequency band and from the at least one satellite of the constellation of satellites;
- and
- wherein the first satellite signal has at least one of fewer associated search hypotheses than the second satellite signal or a smaller bandwidth than the second satellite signal, and wherein the processor-readable instructions to control the activation status comprises processor-readable instructions to control the first satellite signal receive chain to be active in response to receiving a request to acquire a third satellite signal from the at least one satellite of the constellation of satellites.
2 more elements
Dependencies are inferred from the claim text.