NETWORK-AIDED MULTI-LINK OPERATION FOR SINGLE-RADIO DEVICES
Granted: January 30, 2025
Application Number:
20250039971
A system includes a first multi-link operation (MLO) device and a second MLO device. The first MLO device is to send a frame to the second MLO device via a first link. The frame includes a link occupancy information field, including link occupancy information of a second link.
NOISE SHAPING SUCCESSIVE-APPROXIMATION REGISTER (SAR) ANALOG-TO-DIGITAL CONVERTER (ADC)
Granted: January 30, 2025
Application Number:
20250038757
A noise-shaping successive-approximation register (SAR) analog-to-digital converter (ADC) (SAR ADC) including a noise-shaping (NS) filter, a comparator, a differential input path between the NS filter and the comparator, and a cross-coupled set of capacitive elements coupled to the differential input path.
MEDIUM ACCESS METHODS FOR AMBIENT POWER (AMP) DEVICES
Granted: January 16, 2025
Application Number:
20250024491
A method includes transmitting, by an anchor wireless device, a beacon frame signal to client wireless devices, which are ambient power (AMP) devices. The beacon frame signal advertises at least a first service period during which at least a subset of the client wireless devices are to transmit. The method includes transmitting, by the anchor wireless device, during the first service period, a first wireless signal including a data packet with a command frame to activate the subset of…
RADIO FREQUENCY BAND AND ENERGY HARVESTING ARRANGEMENTS FOR OPERATION OF WIRELESS AMBIENT POWER (AMP) DEVICES
Granted: January 16, 2025
Application Number:
20250024238
A method includes transmitting, by an anchor wireless device over a first radio frequency (RF) band, a first wireless signal to a client wireless device. The client wireless device is an ambient power (AMP) device that harvests environmental energy. The first wireless signal includes a data packet requesting information from the client wireless device. The method further includes receiving, by the anchor wireless device over a second RF band, a second wireless signal from the client…
COMMUNICATING WITH A LARGE NUMBER OF AMBIENT POWER (AMP) DEVICES IN A WIRELESS NETWORK
Granted: January 16, 2025
Application Number:
20250024231
A system includes an array of antennas that are controllable to generate a directed beam of radio frequency (RF) radiation and an anchor wireless device coupled to the array of antennas. The anchor wireless device transmits, via the array of antennas, a first wireless signal as a first directed beam at a first azimuth towards first identification (ID) tags. The first ID tags are ambient power (AMP) devices that harvests environmental energy. The first wireless signal includes a data…
PMU TECHNIQUE FOR ULTRA-LOW LEAKAGE
Granted: January 16, 2025
Application Number:
20250023469
A DC-DC converter and method of operating the same are provided to increase efficiency in window-mode. Generally, the method begins in a coasting-period with receiving in the converter a window-mode enable signal, and opening a switch through which a low reference voltage generator is coupled to a capacitively-charged switched reference (SR) on a first input of a low-side-comparator. Operation of all circuits and devices in the converter, except the comparator is suspended. The voltage…
CORE TRANSMIT SUSPENSION IN MULTIPLE CORE WIRELESS DEVICES, SYSTEMS, AND METHODS
Granted: January 9, 2025
Application Number:
20250016881
Core transmit suspension is provided in multiple core wireless devices, systems, and methods. A first wireless device may transmit a plurality of data packets by a first core and a second core of the first wireless device to a second wireless device. A data packet may be transmitted by at least one of the first core or the second core. The first wireless device may receive a first core acknowledgement (ACK) of the data packet by the first core and a second core ACK of the data packet by…
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.
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…
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.
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…
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…
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…
