Serial radio frequency to baseband interface with power control
AssigneeCSR Technology Inc.
InventorsSteve Gronemeyer, Robert Tso
Life of this patent
Estimating the term…
Abstract
An interface between an RF processing section and a baseband processing section supports general purpose message transmission as well as satellite positioning system signal sample transmission between the RF processing section and the baseband processing section. The interface includes a bi-directional message interface and a data interface. The message interface supports transmission of power control messages to the RF processing section to provide detailed control over activation or de-activation of individual blocks of hardware circuitry in the RF processing section.
Claims33
A radio frequency (RF) to baseband interface providing power control over an RF section that processes RF signals and that is coupled to a baseband section that processes baseband signals, the interface comprising:
- a bi-directional message interface for communicating a power control message from the baseband section to the RF section;
- and
- a data interface for communicating data from the RF section to the baseband section.
A method for controlling power in a radio frequency (RF) section that processes RF signals and that is coupled to a baseband section that processes baseband signals, the method comprising the steps of:
- setting a power control bit in a power control message;
- and
- communicating the power control message over a message interface from the baseband section to the RF section.
An RF front end for a satellite positioning system receiver, the front end comprising:
- an RF processing section comprising an RF input for receiving satellite positioning system signals;
- and
- an RF to baseband interface coupled to the RF processing section, the interface comprising:
- a bi-directional message interface for communicating messages between the RF processing section and a baseband processing section, including receiving a power control message from the baseband processing section;
- and
- a data interface for communicating data from the RF processing section to the baseband processing section.
A baseband back end for a satellite positioning system receiver, the back end comprising:
- a baseband processing section comprising at least one address, data, and control line for communicating with a digital device;
- and
- an RF to baseband interface coupled to the baseband processing section, the interface comprising:
- a bi-directional message interface for communicating messages between an RF processing section and the baseband processing section, including communicating a power control message to the RF processing section;
- and
- a data serial interface for communicating data from the RF processing section to the baseband processing section.
A satellite positioning system receiver comprising:
- an RF front end comprising an RF processing section and an RF input for receiving satellite positioning system signals;
- a baseband back end comprising a baseband processing section and at least one address, data, and control line for communicating with a digital device;
- and
- an RF to baseband interface coupled between the RF processing section and the baseband processing section, the interface comprising:
- a bi-directional message interface for communicating messages between the RF processing section and the baseband processing section, including communicating a power control message to the RF processing section;
- and
- a data interface for communicating data from the RF processing section to the baseband processing section.
Dependencies are inferred from the claim text.