Systems and methods for blocker margin sizing by an automatic gain control
AssigneeQUALCOMM Incorporated
InventorsYann Ly-Gagnon, Le Nguyen Luong
Life of this patent
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Abstract
A method for dynamic sizing of a blocker margin by a receiver automatic gain control (AGC) is described. The method includes measuring a wanted signal level and a blocker signal level. The method also includes adjusting a linear target for the wanted signal level at the output of an analog-to-digital converter (ADC) of the receiver based on the blocker signal level. The linear target is adjusted to optimize a wanted signal signal-to-noise ratio (SNR) and the blocker margin. The method further includes adjusting a receiver front-end gain based on the adjusted linear target.
Claims26
A method for dynamic sizing of a blocker margin by a receiver automatic gain control (AGC), comprising:
- measuring a wanted signal level and a blocker signal level;
- adjusting a linear target for the wanted signal level at an output of an analog-to-digital converter (ADC) of the receiver based on the blocker signal level, wherein the linear target is adjusted to provide a larger blocker margin when a strong blocker signal level is detected as compared to a weak blocker signal level, wherein the linear target is adjusted to optimize a wanted signal signal-to-noise ratio (SNR) and the blocker margin;
- and
- adjusting a receiver front-end gain based on the adjusted linear target.
A wireless communication device for dynamic sizing of a blocker margin, comprising:
- a processor;
- a memory in electronic communication with the processor;
- and
- instructions stored in the memory, the instructions executable by the processor to:
- measure a wanted signal level and a blocker signal level;
- adjust a linear target for the wanted signal level at an output of an analog-to-digital converter (ADC) of a receiver based on the blocker signal level, wherein the linear target is adjusted to provide a larger blocker margin when a strong blocker signal level is detected as compared to a weak blocker signal level, wherein the linear target is adjusted to optimize a wanted signal signal-to-noise ratio (SNR) and the blocker margin;
- and
- adjust a receiver front-end gain based on the adjusted linear target.
An apparatus for dynamic sizing of a blocker margin, comprising:
- means for measuring a wanted signal level and a blocker signal level;
- means for adjusting a linear target for the wanted signal level at an output of an analog-to-digital converter (ADC) of a receiver based on the blocker signal level, wherein the linear target is adjusted to provide a larger blocker margin when a strong blocker signal level is detected as compared to a weak blocker signal level, wherein the linear target is adjusted to optimize a wanted signal signal-to-noise ratio (SNR) and the blocker margin;
- and
- means for adjusting a receiver front-end gain based on the adjusted linear target.
A computer-program product for dynamic sizing of a blocker margin, the computer-program product comprising a non-transitory computer-readable medium having instructions thereon, the instructions comprising:
- code for causing a wireless communication device to measure a wanted signal level and a blocker signal level;
- code for causing the wireless communication device to adjust a linear target for the wanted signal level at an output of an analog-to-digital converter (ADC) of a receiver based on the blocker signal level, wherein the linear target is adjusted to provide a larger blocker margin when a strong blocker signal level is detected as compared to a weak blocker signal level, wherein the linear target is adjusted to optimize a wanted signal signal-to-noise ratio (SNR) and the blocker margin;
- and
- code for causing the wireless communication device to adjust a receiver front-end gain based on the adjusted linear target.
Dependencies are inferred from the claim text.