Abstract: A provisioning device includes a user interface, a radio transceiver to communicate with a pairable device, and a controller. The controller is configured to initiate a pairing protocol, via the radio transceiver, with the pairable device. The controller is configured to instruct a user, via the user interface, to perform a gesture with the provisioning device or the pairable device. The controller is configured to pair the provisioning device with the pairable device, via the radio transceiver, in response to the performed gesture matching an expected gesture within a threshold level of similarity.

Abstract: Systems, methods, and devices enhance performance of collocated transceivers in wireless devices. Methods include identifying, using a processing device, an assertion of a radio frequency (RF) active signal, canceling activity of a first transceiver in response to identifying the assertion of the RF active signal, the RF active signal being associated with a second transceiver collocated with the first transceiver, and generating, using the processing device, a network allocation vector (NAV) reset signal in response to identifying a de-assertion of the RF active signal, the NAV reset signal resetting a timer of a wireless device comprising the first transceiver and the second transceiver.

Abstract: One example of a device includes a Bluetooth transceiver, a Wireless Local Area Network (WLAN) transceiver, and a controller. The WLAN transceiver is proximate the Bluetooth transceiver. The controller is communicatively coupled to the Bluetooth transceiver and the WLAN transceiver. The controller is configured to adjust a cell size of the WLAN transceiver or the Bluetooth transceiver to reduce interference between WLAN transceiver traffic and Bluetooth transceiver traffic.

Abstract: A device includes a receiver to receive a packet over a channel at a first frequency and generate a sampled stream of data at a first sample rate corresponding to the first frequency. A data resampler circuit includes a re-timer engine to determine, using a fractional rate between the first sample rate and a crystal oscillator (XO)-divided sample rate, re-timer values including a difference between pulses of a pseudo clock corresponding to the XO-integer-divided sample rate and closest corresponding pulses of a clock corresponding to the first sample rate. The data resampler circuit includes a time shifting circuit to re-sample data values of the sampled stream of data associated with locations of the plurality of re-timer values. A correlation circuit uses the re-sampled data values, pseudo clock, and the re-timer values to match an expected data pattern to a corresponding data pattern detected in a frame delimiter of the packet.

Abstract: A semiconductor device and methods of fabrication the same are disclosed. In one embodiment, the semiconductor device may include a non-volatile memory (NVM) cell including a memory gate stack and a select gate stack separated by an inter-gate dielectric disposed in a memory region of a substrate, a low voltage field-effect transistor (LVFET) including a first high-K metal-gate (HKMG) stack disposed in a peripheral region of the substrate, and a high voltage field-effect transistor (HVFET) including a second HKMG stack disposed in the peripheral region, in which top surfaces of the memory gate stack and the select gate stack of the NVM cell, the LVFET, and the HVFET have an approximately same elevation from the substrate or are substantially co-planar. Other embodiments are also disclosed within.

Abstract: An example method for estimating the angle-of-arrival (AoA) and other parameters of radio frequency (RF) signals that are received by an antenna array comprises: receiving a plurality of radio frequency (RF) signal power measurements by a plurality of antenna elements at a plurality of RF channels; computing, by applying a machine learning model to the plurality of RF signal power measurements, an estimated RF signal parameter value; and outputting the RF signal parameter value.

Abstract: Systems, methods, and devices authenticate operations for secured execution environments. Methods include performing, using one or more processing elements of a secured execution environment, a first cryptographic computation on a portion of code to generate a result. Methods also include determining, using the one or more processing elements, an authenticated version of a cryptographic value, the authenticated version of the cryptographic value being determined based on a signature computation and a second cryptographic computation that is an asymmetric cryptographic computation. Methods further include determining, using the one or more processing elements, if the result of the first cryptographic computation is verified based, at least in part, on a comparison with the authenticated version of the cryptographic value.

Abstract: Systems, methods, and devices enhance performance of collocated transceivers in wireless devices. Methods include determining, using a processing device comprising processing elements, a transmit power for a first transceiver of a wireless device, and determining, using the processing device, a coding rate for a second transceiver of the wireless device based, at least in part, on the determined transmit power, the first transceiver being collocated with the second transceiver. Methods also include determining, using the processing device, a transmission rate for the second transceiver based, at least in part, on the determined coding rate.

Abstract: A system includes a USB-C receptacle including first and second non-GPIO pins and a USB-C controller including a first GPIO pin connected to a pull-up resistor and a second GPIO pin connected to a pull-down resistor, a pair of non-GPIO pins including a third non-GPIO pin corresponding to the first non-GPIO pin and a fourth non-GPIO pin corresponding to the second non-GPIO pin. The pair of GPIO pins is selectively connectable to the pair of non-GPIO pins using a multiplexer, and liquid exposure detection circuitry configured to cause a first voltage for the first GPIO and a second voltage for the second GPIO to be measured, determine whether the first and second voltages each satisfy a threshold condition, and in response to determining that the first and second voltages each do not satisfy the threshold condition, cause operation of the USB-C receptacle to be suspended.

Abstract: A method can include receiving a plurality of digital data symbols; encoding each data symbol into frequency domain values, the frequency domain values for each data symbol transmitted over a different frequency range; combining samples of multiple frequency domain values into a sequence of initial output values in time; generating a sequence of modification values that form a modification pulse, the modification pulse having a non-linear slope that decreases as it approaches a modification pulse maximum and increases as it departs from the modification pulse maximum; decreasing the initial output values according to the modification values to generate modified output values; and transmitting a wireless signal compatible with at least one IEEE wireless standard according to the modified output values. Corresponding devices and systems are also disclosed.

Abstract: A continuous electrochemical monitoring device according to an example includes an electrochemical transducer to continually generate a signal indicative of a characteristic of a user. The device includes a transimpedance amplifier to receive the signal from the transducer at a first input, receive a bias voltage at a second input, and generate an output voltage. The device includes an operational amplifier to receive the output voltage at a first input, and output an amplified output voltage. The device includes a differential analog to digital converter to receive the amplified output voltage at a first input, receive the bias voltage at a second input, and continually generate a digital output indicative of the characteristic of the user.

Abstract: A device for a system includes a wireless transceiver, a memory, and a microcontroller. The microcontroller is communicatively coupled to the wireless transceiver and the memory. The microcontroller is configured to receive, via the wireless transceiver, user configuration data in response to a user approaching the system. The microcontroller is configured to store the user configuration data in the memory. The microcontroller is configured to transmit the user configuration data to an interface processor of the system to configure the system based on the user configuration data.

Abstract: A frequency compensation circuit determines a target calibration count of a fixed capacitor coupled to a processing device. The frequency compensation circuit identifies a current calibration count of the fixed capacitor. The frequency compensation circuit determines that the current calibration count satisfies a threshold criterion associated with the target calibration count. In response to determining that the current calibration count satisfies the threshold criterion, the frequency compensation circuit adjusts a frequency of an internal oscillator of the processing device based on the current calibration count and the target calibration count.

Abstract: A Universal Serial Bus controller including a Vconn switch having a current controlled architecture, and method for operating the same are provided. Generally, the Vconn switch includes first and second transistors coupled in series between a Vconn terminal and a communication channel (CC) terminal, a replica switch including a source coupled to the Vconn terminal, a replica current generator including a first input coupled to a drain of the replica switch and a second input coupled to a drain of the first transistor, and a resistance control module coupled to an output of the replica current generator and including an output coupled to a gate of the second transistor. The replica current generator is operable to match a current through the replica switch to that supplied through the first and second transistors to the CC terminal, and the resistance control module is operable to control resistance of the Vconn switch.

Abstract: Disclosed are methods and systems for a Bluetooth Low Energy (BLE) receiver to reduce the number of retransmission of packets needed to receive an error free packet so as to improve channel throughput. Techniques to reduce the number of retransmissions include a combination of processing of the header of the received packets to increase the number of corrupted packets available for reconstructing the original payload and bit error correction (BEC) of the payload of the corrupted packets. Header processing may include making available for payload reconstruction a packet whose received access address differs by no more than 1-bit from an assigned address of the receiver provided at least one of the corrupted packets used in the reconstruction contains an error-free access address. Header processing may also include using a prior error-free decoded length of the packet to aid in the determination of the length field of a current packet.

Abstract: Techniques by a wireless to estimate the position of a remote device are disclosed. A main receiver of the wireless device may determine multiple first phase values of the RF signal received through a first antenna during multiple time intervals. An auxiliary receiver may determine multiple second phase values of the RF signal received through an array of auxiliary antennas during the multiple time intervals. Each of the second phase value may correspond to the RF signal received through one antenna of the array during one of the time interval. The wireless device may determine an oscillator offset between a local oscillator of the main transceiver and a local oscillator of the auxiliary receiver. The wireless device may estimate an angle of arrival (AoA) of the RF signal or a distance based on the multiple first phase values and the multiple second values by compensating for the oscillator phase offset.

Abstract: Implementations disclosed describe a programmable analog subsystem (PASS) having a plurality of reconfigurable analog circuits. The PASS may be coupled to an input/output device to receive an input signal and to an interface to communicate data with a central processing unit. A controller may be configured, based on a plurality of parameters stored at the controller, to configure the plurality of reconfigurable analog circuits into a first PASS state. The PASS may process the first input signal through the plurality of reconfigurable analog circuits in the first PASS state to generate a first output value based on the first input signal. Responsive to a trigger event, the controller may reconfigure the plurality of reconfigurable analog circuits into a second PASS state different from the first PASS state. The PASS may perform a function based on the first output value in the second PASS state.

Abstract: Techniques for securely commissioning wireless internet-of-things (IoT) devices using estimates of the distance to the device to be commissioned. An example method, in a first device comprising a Wi-Fi station (STA), comprises the step of initiating or responding to initiation of a commissioning or provisioning procedure with a second device comprising a Wi-Fi STA, using Wi-Fi signaling, and determining an estimated distance or estimated round-trip travel time between the first and second devices, using timing information obtained from one or more messages exchanged between the first and second devices using Wi-Fi signaling. The example method further comprises determining whether to abort or continue with the commissioning or provisioning procedure, based on the estimated distance or estimated round-trip travel time.

Abstract: One or more devices, systems, and/or methods are provided. In an example of the techniques presented herein, an oscillator comprises a voltage controlled oscillator configured to generate an output clock based on a drive signal, a frequency to voltage converter having a time constant and configured to generate a feedback voltage having a decay cycle based on the time constant and a frequency based on a frequency of the output clock, and an integrator configured to generate the drive signal based on an integration of the feedback voltage and a reference voltage.

Abstract: The embodiments described herein are directed at techniques to de-correlate Bluetooth interference seen across WLAN receive antennas/space in a Bluetooth transceiver/WLAN transceiver combination device. A Bluetooth interference whitening technique may be utilized, wherein a whitening matrix is computed based on a leakage signal resulting from a training signal transmitted by the Bluetooth transceiver. The leakage signal may leak in to the WLAN transceiver and a set of attributes is calculated for each frequency the leakage signal is received on. One or more whitening matrixes are calculated based on the set of attributes for each frequency the leakage signal is received on. In response to the WLAN transceiver receiving a signal of interest, an appropriate whitening matrix from the one or more whitening matrixes is selected and is then applied to the received signal of interest to de-correlate any interference generated as a result of the Bluetooth transmission.