METHODS, SYSTEMS AND DEVICES FOR PROVIDING DIFFERENTIATED QUALITY OF SERVICE FOR WIRELESS COMMUNICATION DEVICES
Granted: March 17, 2022
Application Number:
20220086858
A method can include, in an access point (AP) configured to control data transfers for associated stations (STAs) in time intervals, storing a unique identifier and quality-of-service (QoS) requirement for each STA of a first set in a nonvolatile memory of the AP. In response to a STA associating with the AP, if the associating STA is in the first set, allocating time for the STA in the time intervals to meet the QoS requirement of the STA without receiving transmitted QoS data from the…
DUAL ADVANCED AUDIO DISTRIBUTION PROFILE (A2DP) SINK
Granted: March 17, 2022
Application Number:
20220086581
Wireless communication schemes and techniques are described, wherein a secondary device is configured to eavesdrop information communicated between a source and a primary device. Secondary device transmits a NACK signal to jam ACK signals from the primary device to the audio source, forcing a retransmit of audio information from the source to the primary, and available over an eavesdropping link between the secondary device and the source.
Bit Error Correction for Bluetooth Low Energy
Granted: March 17, 2022
Application Number:
20220085913
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.…
COEXISTENCE OF ISOCHRONOUS COMMUNICATION DEVICE WITH CO-LOCATED ASYNCHRONOUS COMMUNICATION DEVICE
Granted: March 10, 2022
Application Number:
20220078623
Apparatus, systems and associated methods includes an isochronous communication device and a co-located asynchronous communication device, where the isochronous communication device and the asynchronous communication device share a common radio frequency spectrum. Also includes is a coexistence bus coupled between the isochronous communication device and the asynchronous communication device to transmit isochronous data information to the asynchronous communication device, where the…
REGULATOR ARCHITECTURE WITH LOAD DEPENDENT BIASING AND INRUSH CURRENT CONTROL
Granted: March 10, 2022
Application Number:
20220077783
A USB-power delivery integrated circuit controller includes: one or more driver circuits configured to control operation of a buck-boost converter; a regulator configured to regulate an internal supply voltage of the controller from a variable input voltage of the buck-boost converter in a regulation mode, and to pass the variable input voltage as the internal supply voltage without regulation in a bypass mode, the regulator being in the bypass mode when the variable input voltage is…
SHORT CIRCUIT RECOVERY IN UNIVERSAL SERIAL BUS TYPE-C POWER DELIVERY (USB-C/PD) SYSTEMS
Granted: March 10, 2022
Application Number:
20220077672
A system includes a first USB Type-C Power Delivery (USB-C/PD) port and a control circuit operatively coupled to the first USB-C/PD port. The control circuit is configured to determine whether a short circuit condition has occurred. The control circuit is also configured to turn off a ground isolation switch when short circuit condition occurs. The control circuit is further configured to determine a whether a voltage on a configuration channel line (CC line) is greater than a first…
HIGH-VOLTAGE TOLERANT, HIGH-SPEED REVERSE CURRENT DETECTION AND PROTECTION FOR BUCK-BOOST CONVERTERS
Granted: March 3, 2022
Application Number:
20220069712
A controller includes a buck gate driver coupled to first high-side switch and first low-side switch of a buck-boost (BB) converter. A zero crossing detection (ZCD) comparator is coupled to first low-side switch. The ZCD comparator is to, while the BB converter operates in buck mode: detect zero current flow through inductor; and turn off first low-side switch in response to detecting the zero current. A boost gate driver is coupled to second high-side switch and second low-side switch…
USB TYPE-C/PD PORT REAL TIME MONITORING AND CONTROL IN AN AUTOMOTIVE OR INDUSTRIAL ECOSYSTEM
Granted: March 3, 2022
Application Number:
20220070018
Disclosed are solutions for communicating with USB-C/PD systems over standard communication interfaces in automotive, aviation, industrial, or other applications. In one aspect, the solutions facilitate a controller of the automotive Local Interconnect Network (LIN) bus such as a vehicle electronic control unit (ECU) to configure, control, and monitor charging and fault data of ports of a USB-C/PD system over the existing vehicle network. The USB-C/PD system may decode a message frame to…
Mode-transition Architecture for Buck-boost converter
Granted: March 3, 2022
Application Number:
20220069715
A mode-transition architecture for USB Type-C controllers is described herein. In an example embodiment, an integrated circuit (IC) controller includes controller includes a controller coupled to a slope compensation circuit, the controller to cause the slope compensation circuit to apply a first slope compensation to the input current in a first mode in which the buck-boost converter is operating in a discontinuous conduction mode (DCM). The controller detects a transition of the…
CONTROL LOGIC PERFORMANCE OPTIMIZATIONS FOR UNIVERSAL SERIAL BUS POWER DELIVERY CONTROLLER
Granted: March 3, 2022
Application Number:
20220069713
An IC controller for USB Type-C device includes an error amplifier (EA), which includes an EA output coupled to a PWM comparator of a buck-boost converter; a first transconductance amplifier to adjust a current at the EA output, the first transconductance amplifier operating in a constant voltage mode; and a second transconductance amplifier to adjust the current at the EA output, the second transconductance amplifier operating in a constant current mode. A first set of programmable…
TRANSCONDUCTANCE AMPLIFIER FOR BUCK-BOOST CONVERTER
Granted: March 3, 2022
Application Number:
20220069711
An error amplifier includes an output pin coupled to a pulse width modulation (PWM) comparator of a buck-boost converter. A first transconductance amplifier adjusts an output current at the output pin and operates in a constant voltage mode. The first transconductance amplifier includes a first positive input to receive a first voltage reference and a first negative input coupled to a tap point of a voltage divider coupled between a voltage bus and a ground of the buck-boost converter. A…
BOOTSTRAP VOLTAGE REFRESH FOR BUCK-BOOST CONVERTER
Granted: March 3, 2022
Application Number:
20220069710
An apparatus includes a first high-side driver of a buck-boost converter, the first high-side driver powered between a first bootstrap voltage (VBST1) and a first output voltage of a first high-side switch driven by the first high-side driver. A second high-side driver is powered between a second bootstrap voltage (VBST2) and a second output voltage of a second high-side switch driven by the second high-side driver. A comparator is to detect VBST1 drop below a threshold value with…
PROGRAMMABLE SOFT START OF BUCK-BOOST CONVERTER
Granted: March 3, 2022
Application Number:
20220069709
An IC controller for a USB Type-C device includes a register that is programmable to store a pulse width and a frequency. A buck-boost converter of the controller includes a first high-side switch and a second high-side switch. Control logic is coupled to the register and gates of the first/second high-side switches. To perform a soft start in one of buck mode or boost mode, the control logic: causes the second high-side switch to operate in diode mode; retrieves values of the pulse…
Mode-transition Architecture for Buck-boost converter
Granted: March 3, 2022
Application Number:
20220069708
A mode-transition architecture for USB controllers is described herein. In an example embodiment, an integrated circuit (IC) controller includes a controller coupled to a slope compensation circuit, the controller to detect a transition of a buck-boost converter from a first mode having a first duty cycle to a second mode having a second duty cycle that is less or more than the first duty cycle. The controller controls the slope compensation circuit to nullify an error in an output…
SWITCHING CLOCK PHASE SHIFT FOR MULTI-PORT BUCK-BOOST CONVERTER
Granted: March 3, 2022
Application Number:
20220066980
A multi-port USB Power Delivery Type-C (USB-C/PD) power converter for switching clock phase shifts is described herein. The multi-port USB-C/PD power converter includes a first PD port, a second PD port, and a power controller coupled to the first and second PD ports. The power controller includes a first phased clock generator to generate a first phase-shifted clock signal by shifting a clock signal by a first phase with respect to a reference clock signal, and a second phased clock…
GROUND AND SUPPLY CABLE COMPENSATION ARCHITECTURE FOR USB POWER DELIVERY SUBSYSTEM
Granted: March 3, 2022
Application Number:
20220066532
A multi-port Universal Serial Bus Type-C (USB-C) controller with ground and supply cable compensation technologies is described. A USB-C controller includes a first power control circuit (PCU) coupled to a system ground terminal and a first ground terminal and a second PCU coupled to the system ground terminal and a second ground terminal. The first PCU receives a first ground signal indicative of a first ground potential at a first USB-C connector and adjusts a first power voltage line…
ULTRA-LOW LATENCY OPERATING MODE EFFECTUATION IN WIRELESS NETWORK CONTROLLERS
Granted: February 24, 2022
Application Number:
20220060927
Implementations disclosed describe techniques to effectuate operating mode changes of a wireless connection between a first communication device (CD) and a second CD. In an example embodiment, the disclosed techniques may include detecting, by a wireless network controller of the second CD, an indication that the first CD has requested the operating mode change from a first operating mode to a second operating mode. The disclosed techniques may further include modifying a transmission…
SYSTEM AND METHODS FOR IMPROVING SECURE PHASE-BASED POSITONING ACCURACY
Granted: February 17, 2022
Application Number:
20220050162
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…
DEVICES, SYSTEMS AND METHODS FOR ACCESSING RANDOM ACCESS RESOURCE UNITS OF A WIRELESS CHANNEL
Granted: February 3, 2022
Application Number:
20220039162
A method can include wireless device operations, including receiving a trigger communication that identifies available random access resource units (RA RUs), the RA RUs being portions of transmission channel for a wireless system. In response to a back-off value and a number of available RA RUs, selecting or not selecting one RA RU as a transmission RA RU. In response to not selecting a transmission RA RU, monitoring for wireless responses following the trigger communication to determine…
DEVICES, SYSTEMS AND METHODS FOR LOW LATENCY DATA TRANSMISSION IN WIRELESS NETWORK
Granted: January 20, 2022
Application Number:
20220022203
Embodiments can include a method in which a transmission duration for data frames to a plurality of different receiving devices is determined by a transmitting device. The transmission duration can include at least interframe spacings that separate the data frames from one another. The transmitting device can transmit a control message over a medium to reserve the medium for the transmission duration. The data frames can then be sequentially transmitted by the transmitting device to the…