CONTINUOUS WAVEFORM (CW) INTERFERENCE DETECTION AND MITIGATION
Granted: January 2, 2025
Application Number:
20250008395
A method includes detecting a radio frequency (RP) interference by detecting a time period within a first detection interval during which there is no transmission opportunity, the time period having a duration that meets a duration threshold. The method further includes switching, during a second detection interval, from a first bandwidth to a second bandwidth.
WIRELESS LOCAL AREA NETWORK (LAN) CARRIER FREQUENCY CORRECTION FOR UPLINK TRANSMISSION
Granted: December 26, 2024
Application Number:
20240430870
A method includes receiving a plurality of frames from an access point. The method further includes determining a carrier frequency offset (CFO) estimate for each of the plurality of frames received from the access point. The method further includes computing a final CFO estimate based on the CFO estimates. The method further includes changing, based on the final CFO estimate, a first phase of a radio frequency phase-locked loop (RF PLL) to a second phase.
UNIVERSAL SERIAL BUS VOLTAGE DISCHARGE
Granted: December 26, 2024
Application Number:
20240427722
Techniques are provided for discharge of a universal serial bus voltage. A determination is made that the universal serial bus voltage has exceeded a threshold. Accordingly, initiation of a discharge operation is triggered to discharge the universal serial bus voltage. The discharge operation includes applying incrementally increasing voltage reference values according to a periodic interval to an amplifier until a discharge trigger point is reached. The amplifier outputs a voltage…
SYSTEMS, METHODS, AND DEVICES FOR WIRELESS DEVICE COEXISTENCE ENHANCEMENT USING ACTIVITY OVERLAP
Granted: December 19, 2024
Application Number:
20240422768
Systems, methods, and devices provide coexistence between collocated transceivers in wireless devices. Methods include receiving, at a scheduler, scheduling information identifying activity of a first transceiver during a designated period of time, and identifying, using a scheduler associated with a second transceiver, activity of the second transceiver during the designated period of time, the second transceiver being collocated with the first transceiver in a wireless device. Methods…
DIGITAL PRE-DISTORTION CALIBRATION OF A RADIO FREQUENCY POWER AMPLIFIER
Granted: December 19, 2024
Application Number:
20240421839
Methods and systems for improving digital pre-distortion calibration of a radio frequency power amplifier. The disclosed method includes, among other things, initiating digital pre-distortion calibration of a power amplifier of a radio frequency (RF) module, determining, based on a transmission power of a training signal transmitted to the power amplifier between a first transmission power value and a second transmission power value, a set of estimated coefficients, generating, based on…
WIRELESS PER-FRAME-BASED LOCAL OSCILLATOR TRIMMING FOR UPLINK MULTI-USER TRANSMISSION
Granted: December 19, 2024
Application Number:
20240421824
A wireless device includes a radio having a front end and a first local oscillator (LO) and control logic coupled to the radio. The control logic determines, from a received trigger frame, a carrier frequency offset (CFO) between a first carrier frequency of the first LO and a second carrier frequency of a second LO of an access point operating in a multi-user transmission mode. The control logic triggers, based on the CFO, an LO trim of the first LO to adjust the first carrier frequency…
YIELD RATE BY CALIBRATING PARAMETERS OF A RADIO FREQUENCY POWER AMPLIFIER
Granted: December 19, 2024
Application Number:
20240421785
Implementations disclosed describe techniques and systems for calibrating parameters of a radio frequency power amplifier. The disclosed techniques include, among other things, identifying an initial power amplifier (PA) parameter set of a radio frequency (RF) module. A plurality of candidate PA parameter sets is generated. A set of error values for each of the plurality of candidate PA parameter sets is determined. A subset of the plurality of candidate PA parameter sets is identified.…
SECONDARY SIDE CONTROLLED FLYBACK CONVERTER WITH ACCURATE FEED-FORWARD SENSING
Granted: December 19, 2024
Application Number:
20240421717
A flyback-converter with synchronous-rectifier (SR) sense architecture is provided. A secondary side controller includes a SR-sense pin coupled through an external resistor to a drain of an SR on the secondary-side, a negative-sensing-detector, a peak-detector, a zero-crossing-detector, all coupled to the pin, and a resistor network (Rn) coupled between the pin and ground. The Rn includes a first resistor (R1) to couple the pin and to ground through a first switch (S1) during…
LOW POWER CLOCK MULTIPLEXER IN MICROCONTROLLER WITH SELECTABLE POWER DOMAIN OUTPUT
Granted: December 19, 2024
Application Number:
20240419209
Systems and methods described herein fan out a source clock signal within the MCU to produce a plurality of clock signals. The systems and methods distribute the plurality of clock signals to a plurality of input/output (I/O) groups within the MCU, wherein each of the plurality of VO groups correspond to a different one of a plurality of power domains of the MCU. The systems and method provide the plurality of clock signals to a plurality of peripherals coupled to the plurality of I/O…
FLUID COMPOSITION SENSOR
Granted: December 12, 2024
Application Number:
20240410848
One or more computing devices, systems, and/or methods are provided. In an example, a method comprises measuring a first charge generated by a first excitation signal and transferred during a first time interval to a first electrode mounted to a container holding a test fluid, measuring a second charge generated by a second excitation signal and transferred during a second time interval to the first electrode, and determining a parameter of the test fluid based on a first charge transfer…
CHILD DETECTION DEVICE FOR A CHILD SAFETY SEAT
Granted: December 12, 2024
Application Number:
20240409008
A child detection device for a child safety seat for an automobile according to an example includes a plurality of sensors to be positioned on the child safety seat, wherein the plurality of sensors includes at least one capacitive sensor to generate analog capacitive signals. The child detection device includes a conversion circuit to convert the analog capacitive signals to digital capacitive values. The child detection devices includes a controller to identify movement of an object…
LOW-POWER PROGRAMMABLE ANALOG SUBSYSTEM FOR ACOUSTIC ACTIVITY DETECTION
Granted: December 5, 2024
Application Number:
20240406619
A method includes receiving a first signal, wherein the first signal is an audio signal. The method further includes providing the first signal to a first comparison circuit. The method further includes providing the first signal to a second comparison circuit. The method further includes receiving, from the first comparison circuit, a first comparison signal. The method further includes receiving, from the second comparison circuit, a second comparison signal. The method further…
FRAME SYNCHRONIZATION DETECTION WITH AN ADAPTIVE THRESHOLD
Granted: December 5, 2024
Application Number:
20240405905
A wireless device includes a receiver to receive a packet via one or more antennas. A frame synchronization detection circuit coupled to the receiver identifies a data pattern within a portion of the packet. A correlation circuit coupled to the frame synchronization detection circuit identifies one or more properties of the data pattern and computes one or more values of a correlation peak using a correlation method. An adaptive threshold circuit coupled to the correlation circuit…
AUDIO DISTORTION REMOVAL BASED ON A SET OF REFERENCE AUDIO SAMPLES
Granted: December 5, 2024
Application Number:
20240404544
A method includes receiving, by a processing device, an audio sample of a distorted voice. The method further includes extracting a first set of characteristics from the audio sample. The method further includes selecting a second set of characteristics. The second set of characteristics is associated with one of a set of reference audio samples. The method further includes generating an undistorted audio sample. The undistorted audio sample is based on the distorted audio sample, the…
GPS-ASSISTED COLLABORATIVE AND SIGNALING-AIDED WLAN DFS OPERATION
Granted: November 28, 2024
Application Number:
20240397416
Disclosed are methods and systems for a WLAN device to select an operating dynamic frequency selection (DFS) channel that minimizes the probability of radar interference by using aiding information. The aiding information may be a crowd-sourced database of geo-tagged radar zones including one or more DFS channels used within the geo-tagged radar zones that are detected by a plurality of WLAN devices. The WLAN device may query the crowd-sourced database for a geo-tagged radar zone that is…
Adaptive Power Tuning in a Successive Approximation Analog-to-Digital Converter
Granted: November 28, 2024
Application Number:
20240396569
A Successive Approximation Analog-to-Digital Converter (SAR_ADC) and method of operating the same are provided. Generally, the SAR_ADC includes a comparator having a first input to receive an input voltage (VIN), and a second input coupled to a n-bit capacitive digital-to-analog converter (DAC) to receive a voltage (VDAC), a Successive Approximation Register (SAR) coupled to a comparator output to provide n digital control signals to the DAC, and to store and output an n-bit…
METHODS, DEVICES AND SYSTEMS FOR ANALOG CIRCUIT BLOCK OPERATIONS CONFIGURABLE WITH MEMORY-MAPPED ENTRIES
Granted: November 28, 2024
Application Number:
20240394452
A method can include storing operation data in entries of memory mapped storage circuits of an integrated circuit (IC) device. The operation data of a single entry can include configuration data, an action value, and channel data having channel bits corresponding to different signal channels. Operation of the analog circuit can be configured with the configuration data. Signal channels to an analog circuit can be configured with channel data. In response to a first action value of the…
HOVER DETECTION FOR TOUCHSCREENS
Granted: November 28, 2024
Application Number:
20240393911
Measured signal data, detected by a sensor array of a device, is used to create a generated representation from the measured signal data. The generated representation is compared with a measured representation of the measured signal data to create a correlation coefficient corresponding to a correlation between the generated representation and the measured representation of the measured signal data. A hover event is detected for the device if the correlation coefficient exceeds a first…
PROGRAMMABLE SENSOR
Granted: November 21, 2024
Application Number:
20240385139
One or more computing devices, systems, and/or methods are provided. In an example of the techniques presented herein, a method is provided. The method includes connecting a first programmable electrode interface to one of a first working electrode, a control electrode, a reference electrode, or a guard electrode of an electrochemical cell in a first configuration, and connecting the first programmable electrode interface to a different one of the first working electrode, the control…
Secondary side peak current controlled mode flyback converter
Granted: November 21, 2024
Application Number:
20240388213
Secondary side peak current control mode flyback converters are described. In one embodiment, an apparatus includes a flyback converter including a flyback transformer and a signal transformer, a primary side including a primary-side controller coupled to a power switch, the flyback transformer and the signal transformer, and a secondary side including a secondary-side controller coupled to the flyback transformer and the signal transformer. The secondary-side controller is configured at…
