Station control method and station using the same
AssigneeMediatek Inc.
InventorsHong-Kai Hsu, Ching-An Chung
Life of this patent
Estimating the term…
Abstract
An apparatus is provided, for reducing power consumption in a system operating in a power saving mode, comprising a controller, an oscillator circuit and a voltage regulator. The controller provides a first control signal and a second control signal. The oscillator circuit, connected to the controller, wherein the controller controls the oscillator circuit according to the second control signal. The voltage regulator providing electric power to the oscillator circuit, connected to the controller, wherein the controller controls the voltage regulator according to the first control signal.
Claims17
An apparatus for reducing power consumption in a system operating in a power saving mode, comprising:
- a controller providing a first control signal and a second control signal;
- an oscillator circuit, connected to the controller, wherein the controller controls the oscillator circuit according to the second control signal;
- and
- a voltage regulator providing electric power to the oscillator circuit, connected to the controller, wherein the controller controls the voltage regulator according to the first control signal;
- wherein the controller further calculates an estimated total current consumption of the system corresponding to different settings, wherein the calculation is performed according to the following equation:
- the estimated total current consumption=A*x+B*y+C*z,
- wherein A is a duration of the power saving mode of the system, B is a duration of a stable time of the oscillator circuit, C is a duration of a normal mode, x is current consumption of the system in the power saving mode, y is current consumption of the duration of the stable time of the oscillator circuit, and z is current consumption of the duration in normal mode.
An apparatus for reducing power consumption in a system operating in a power saving mode, comprising:
- a controller providing a first control signal and a second control signal;
- an oscillator circuit, connected to the controller, wherein the controller controls the oscillator circuit according to the second control signal;
- and
- a voltage regulator providing electric power to the oscillator circuit, connected to the controller, wherein the controller controls the voltage regulator according to the first control signal;
- wherein the controller provides the first control signal and the second control signal according to a current leakage of the voltage regulator, a stable time of the oscillator circuit, and a sleep time period of the system.
A method for reducing power consumption in a system operating in a power saving mode, wherein the system comprises an oscillator circuit and a voltage regulator, the method comprising:
- providing a current leakage of the voltage regulator;
- providing a stable time of the oscillator circuit;
- providing a sleep time period of the system;
- determining a first control signal and a second control signal according to the current leakage of the voltage regulator, the stable time of the oscillator circuit, and the sleep time period of the system;
- and
- controlling the oscillator circuit and the voltage regular according to the determined first control signal and the determined second control signal.
Dependencies are inferred from the claim text.