28th week of 2022 patent applcation highlights part 65 |
Patent application number | Title | Published |
20220224304 | BALUN - A balun comprising a three-dimensional (3D) printed base. In one embodiment the balun further comprises a piece of copper tape adhered to an outer surface of the 3D printed base. | 2022-07-14 |
20220224305 | ACOUSTIC WAVE DEVICE - An acoustic wave device includes a piezoelectric layer and first and second electrodes facing each other in a direction intersecting a thickness direction of the piezoelectric layer. The acoustic wave device utilizes a bulk wave in a thickness-shear primary mode. A material of the piezoelectric layer is lithium niobate or lithium tantalate. At least a portion of each of the first and second electrodes is embedded in the piezoelectric layer. | 2022-07-14 |
20220224306 | STRAIN COMPENSATED RARE EARTH GROUP III-NITRIDE HETEROSTRUCTURES - A strain compensated heterostructure comprising a substrate comprising silicon carbide material; a first epitaxial layer comprising single-crystal aluminum nitride material formed on a top surface of the substrate; a second epitaxial layer formed on the first epitaxial layer opposite the top surface of the substrate, the second epitaxial layer comprising single-crystal scandium aluminum nitride material; and a third epitaxial layer formed on the second epitaxial layer opposite the first epitaxial layer, the third layer comprising single-crystal aluminum nitride material. | 2022-07-14 |
20220224307 | ACOUSTIC WAVE DEVICE AND MULTIPLEXER - An acoustic wave device includes a substrate, an interdigital transducer electrode including electrode fingers on a main surface of the substrate, and a protection film covering the main surface of the substrate, and side surfaces and upper surfaces of the electrode fingers. The protection film includes a portion covering the main surface of the substrate, an intermediate portion between two of the electrode fingers adjacent to each other, and a vicinity portion of the electrode fingers. The intermediate portion is thicker than the vicinity portion. | 2022-07-14 |
20220224308 | METHODS OF MANUFACTURING ACOUSTIC WAVE DEVICE WITH ANTI-REFLECTION LAYER - Methods of manufacturing an acoustic wave device are disclosed. An anti-reflection layer can be formed over a conductive layer that is over a piezoelectric layer. The conductive layer can include aluminum, for example. The anti-reflection layer can remain distinct from the conductive layer after a heating process. A photolithography process can pattern an interdigital transducer of the acoustic wave device from one or more interdigital transducer electrode layers that include the conductive layer. The anti-reflection layer can reduce reflection from the conductive layer during the photolithography process. | 2022-07-14 |
20220224309 | Integrating Predefined Templates with Open Ticket Functionality - Techniques and arrangements for integrating predefined templates with open ticket functionality. For instance, a merchant device can identify a type of transaction between a merchant and a customer, select a ticket type for the transaction based on the type of transaction, and select a transaction flow based on the ticket type. The merchant device can then generate an open ticket for the transaction based on the ticket type, and associated transaction flow with the open ticket. Additionally, the merchant device can generate a visual representation of data associated with the open ticket, where a layout of the data within the visual representation is based on the type of transaction and the transaction flow, and present the visual representation to the merchant. In some examples, the type of transaction is identified using received input. In some examples, the type of transaction is identified based on a group associated with the customer. | 2022-07-14 |
20220224310 | TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH DIAPHRAGM SUPPORT PEDESTALS - Acoustic resonator devices and methods are disclosed. An acoustic resonator device includes a substrate having a surface and a piezoelectric plate having front and back surfaces. The back surface of the piezoelectric plate is attached to the surface of the substrate except for a portion of the piezoelectric plate forming a diaphragm that spans a cavity in the substrate. An interdigital transducer (IDT) is formed on the front surface of the piezoelectric plate such that interleaved fingers of the IDT are disposed on the diaphragm. One or more diaphragm support pedestals extend between the substrate and the diaphragm within the cavity. | 2022-07-14 |
20220224311 | ACOUSTIC WAVE DEVICE - An acoustic wave device includes a high-acoustic-velocity film, a low-acoustic-velocity film, a piezoelectric layer including lithium tantalate, and an IDT electrode on the piezoelectric layer. The IDT electrode includes first and second busbars and first and second electrode fingers. An intersecting region is a portion where the first and second electrode fingers overlap in an acoustic wave propagation direction. The intersecting region includes a central region and first and second edge regions. The IDT electrode includes first and second gap regions outside the first and second edge regions. The first and second electrode fingers are wider in the first and second edge regions than in the central region. A duty ratio in the first and second edge regions is from about 0.62 to about 0.73. | 2022-07-14 |
20220224312 | METHOD FOR TUNABLY MULTIPLYING AN IMPEDANCE - A tunable impedance multiplier with high multiplication factor is described. A single externally connected resistor is used and the multiplier is free of passive elements. The circuit can realize a positive or a negative impedance multiplier. Applications of the design to low and high pass filters are also presented. The simulation and experimental results show that the new design enjoys a multiplication factor above 400 at 2 Hz-to 7 MHz. | 2022-07-14 |
20220224313 | SYSTEM AND METHOD FOR OPTIMIZING SIGNAL PROCESSING AND STORAGE USING FREQUENCY-TIME DOMAIN CONVERSION - An audio processing system and method of operating the system are provided. The system includes a memory storing a plurality of frequency domain sound recording samples represented and stored in a frequency domain and being previously converted from a plurality of sound recording samples represented in a time domain. The system also includes at least one processing unit coupled to the memory and is configured to read the plurality of frequency domain sound recording samples from the memory. The at least one processing unit is also configured to process the plurality of frequency domain sound recording samples. | 2022-07-14 |
20220224314 | ADAPTIVE CAPACITVE FILTER CIRCUIT - An adaptive capacitive filter circuit includes: a first terminal adapted to be coupled to a rectifier bridge output; a second terminal adapted to be coupled to a ground terminal; a first capacitor having a first electrode and a second electrode, the first electrode of the first capacitor coupled to the first terminal; a second capacitor having a first electrode and a second electrode, the second electrode of the second capacitor coupled to the second terminal; a first switch coupled between the second electrode of the first capacitor and the second terminal; a second switch coupled between the first terminal and the first electrode of the second capacitor; and a third switch coupled between the second electrode of the first capacitor and the first electrode of the second capacitor. | 2022-07-14 |
20220224315 | LATCH AND ISOLATION CIRCUITS - A latch circuit includes a first differential input terminal for receiving a first differential input signal and a second differential input terminal for receiving a second differential input signal. The circuit also includes a first switch comprising a first switch input terminal coupled to the first differential input terminal and a first output terminal, and a second switch comprising a second switch input terminal coupled to the second differential input terminal and a second output terminal. The circuit also includes a first cascade switch coupled to the first output terminal and a second cascade switch coupled to the second output terminal. The first differential input signal is characterized by a swing voltage of less than 300 mV and includes a first pulse component and a first non-zero voltage component, the first non-zero voltage component being attributed at least to the first switch and the first input resistor. | 2022-07-14 |
20220224316 | HIGH PERFORMANCE FAST MUX-D SCAN FLIP-FLOP - A fast Mux-D scan flip-flop is provided, which bypasses a scan multiplexer to a master keeper side path, removing delay overhead of a traditional Mux-D scan topology. The design is compatible with simple scan methodology of Mux-D scan, while preserving smaller area and small number of inputs/outputs. Since scan Mux is not in the forward critical path, circuit topology has similar high performance as level-sensitive scan flip-flop and can be easily converted into bare pass-gate version. The new fast Mux-D scan flip-flop combines the advantages of the conventional LSSD and Mux-D scan flip-flop, without the disadvantages of each. | 2022-07-14 |
20220224317 | HIGH VOLTAGE PRE-PULSING - Some embodiments of the invention include a pre-pulse switching system. The pre-pulsing switching system may include: a power source configured to provide a voltage greater than 100 V; a pre-pulse switch coupled with the power source and configured to provide a pre-pulse having a pulse width of T | 2022-07-14 |
20220224318 | MONOTONIC AND GLITCH-FREE PHASE INTERPOLATOR AND COMMUNICATION DEVICE INCLUDING THE SAME - A phase interpolator includes a decoder, a digital-to-analog converter (DAC), and a phase mixer. The decoder generates first and second thermometer codes and a selection signal based on a code. The DAC includes unit cells, determines two of weight signals as first and second target weight signals based on the selection signal, and adjusts a current of the first and second target weight signals by controlling the unit cells based on the first and second thermometer codes and the selection signal. The phase mixer determines two of input clock signals as first and second target clock signals and generates an output clock signal based on the first and second target weight signals and the first and second target clock signals. A phase of the output clock signal is between phases of the first and second target clock signals. The unit cells include different first and second unit cells. | 2022-07-14 |
20220224319 | CIRCUIT ARRANGEMENT AND METHOD FOR MONITORING A SIGNAL FORMED BY ALTERNATING VOLTAGE - A circuit arrangement for monitoring an alternating voltage signal includes a comparator configured to receive the alternating voltage signal or a signal obtained from the alternating voltage signal at a first comparator input and output a comparator signal at a comparator output. The circuit arrangement further includes a zero crossing detector configured to receive a reference signal or a signal obtained from the reference signal at a monitoring input and generate a detector signal at an output of the zero crossing detector. The circuit arrangement further includes a logic circuit including a first timing element connected downstream of the zero crossing detector for generating a first clock signal and a second timing element connected downstream of the zero crossing detector for generating a second clock signal. | 2022-07-14 |
20220224320 | SUBSTRATE-ENHANCED COMPARATOR AND ELECTRONIC DEVICE - The present disclosure provides a substrate-enhanced comparator and electronic device, the comparator including: a cross-coupled latch, for connecting input signals to the gate of a cross-coupled MOS transistor to form a first input of the latch; output buffers, connected to the cross-coupled latch for amplifying output signals of the latch; AC couplers, connected to the output buffers for receiving and amplifying the output signals of the latch, coupling the output signals to substrates of the cross-coupled MOS transistors to form second inputs of the latch. The cross-coupled latch is also for output signal regenerative latching based on input signals sampled at the first inputs and input signals sampled at the second inputs. The present disclosure introduces additional substrate inputs to the cross-coupled structure of the conventional latch as the second inputs of the latch. | 2022-07-14 |
20220224321 | DRIVER CIRCUIT AND SWITCH SYSTEM - A speed-up circuit is configured to be provided between a power supply terminal and a gate of a semiconductor switching element. An impedance element is configured to be provided between a signal input terminal and a node, the node being between the speed-up circuit and the gate of the semiconductor switching element. In the speed-up circuit, a second field effect transistor is connected in series to a first field effect transistor and is configured to be connected to the gate of the semiconductor switching element. The impedance element has an impedance higher than an impedance of the speed-up circuit when both the first field effect transistor and the second field effect transistor are in an ON state. | 2022-07-14 |
20220224322 | SEMICONDUCTOR RELAY - A capacitor-insulated semiconductor relay includes an RC oscillation circuit, a waveform regulation circuit, a booster circuit, a charging/discharging circuit, and an output circuit. The RC oscillation circuit generates first and second signals that are inverse in phase to each other. The waveform regulation circuit increases rise and fall times of the first signal, and rise and fall times of the second signal. Output signals from the waveform regulation circuit are respectively inputted to first and second high dielectric strength capacitors and that are provided in the booster circuit and connected in parallel to each other. The booster circuit receives the output signals from the waveform regulation circuit to generate a predetermined voltage. The output circuit is driven based on the predetermined voltage. | 2022-07-14 |
20220224323 | DEVICE INCLUDING POWER TRANSISTOR AND OVERCURRENT DETECTION LOGIC AND METHOD FOR OPERATING A POWER TRANSISTOR - A device is provided that includes a power transistor and an overcurrent detection logic. The overcurrent detection logic has a first stable state providing a first signal level on a status output terminal and a second stable state providing a second signal level on the status output terminal. The overcurrent detection logic changes from the first stable state to the second stable state in response to detecting that a current through the power transistor exceeds a current limit. The overcurrent detection logic remains in the second state when the current through the transistor drops below the limit after exceeding the current limit. | 2022-07-14 |
20220224324 | THYRISTOR CIRCUIT AND THYRISTOR PROTECTION METHOD - A thyristor circuit includes at least one branch including at least one thyristor, a thyristor control circuit and a current detector. The current detector is configured to detect a current value representative of an electrical current flowing through the thyristor and to input the detected current value into the thyristor control circuit. The thyristor control circuit is configured to determine a fault condition in which the detected current value exceeds a predetermined current threshold based on a deteriorated blocking ability of the thyristor. Dependent on the determination result, the thyristor control circuit triggers the thyristor into a conductive state. | 2022-07-14 |
20220224325 | SWITCH CAPABLE OF DECREASING PARASITIC INDUCTANCE - A switch capable of decreasing parasitic inductance includes: a semiconductor device, a first top metal line, and a second top metal line. The second top metal line electrically connects a power supply input end and a current inflow end of the semiconductor device, wherein a first part of the first top metal line is arranged in parallel and adjacent to a second part of the second top metal line. When the semiconductor device is in an ON operation, an input current outflows from the power supply input end, and is divided into a first current and a second current. When the first current and the second current flow through the first part and the second part respectively, the first current and the second current flow opposite to each other, to reduce an total parasitic inductance of the first top metal line and the second top metal line. | 2022-07-14 |
20220224326 | DEVICE FOR CONTROLLING SEMICONDUCTOR CIRCUIT BREAKERS IN THE HIGH-VOLTAGE RANGE - The invention relates to a device for controlling a plurality of semiconductor circuit breakers by means of driver voltages for the synchronous operation of a plurality of loads in the high-voltage range, where the driver voltages can be provided by a transformer. According to the invention, the driver voltages for the semiconductor circuit breakers are tapped from a single secondary winding of the transformer, where electronic voltage level converter circuits are provided to obtain the driver voltages from the secondary winding of the transformer at the required magnitude. | 2022-07-14 |
20220224327 | SWITCHING APPARATUS AND SWITCHING METHOD - Provided is a switching apparatus, including: a first semiconductor switching device of IGBT, and a second semiconductor switching device of a different type from IGBT, which are electrically connected in parallel; and a control unit configured to turn on the second semiconductor switching device before the first semiconductor switching device, wherein a maximum rated current of the second semiconductor switching device is greater than a maximum rated current of the first semiconductor switching device. | 2022-07-14 |
20220224328 | LEVEL ADJUSTING CIRCUIT AND GATE DRIVING DEVICE INCLUDING THE SAME - A level adjusting circuit includes a parallel resistor-capacitor (RC) sub-circuit, a first diode and an adjustable voltage supply. The RC sub-circuit includes an input capacitor and an input resistor, and includes an input node electrically connected to a driving signal source for receiving a driving signal therefrom, and an output node that outputs an adjusted driving signal. The first diode and the adjustable voltage supply are electrically connected, and are further electrically connected to the output node and a reference voltage node, respectively. | 2022-07-14 |
20220224329 | GATE-DRIVING CIRCUIT AND DEVICE - A gate-driving circuit includes a unidirectional module and two driving modules, and has a low-potential terminal, an output terminal, and two input terminals via which two driving signals are received. Each of the driving modules includes a capacitor and a resistor that are connected in parallel and between the output terminal and the respective one of input terminals, a power source that is connected between the output terminal and the low-potential terminal, and a diode that is connected between the output terminal and the power source. The unidirectional module is connected between the output terminal and one of the driving modules, and allows an electrical signal to pass only from the one of the driving modules to the output terminal. | 2022-07-14 |
20220224330 | Driving D-Mode and E-Mode FETS in Half-Bridge Driver Configuration - Methods and devices to drive D-mode and E-mode power FETs are described. The disclosure teaches how to apply negative voltages across gate-source of D-mode FETs to turn such FETs off whenever needed. The presented method and devices can also be used in applications where overdriving D-mode FETs to achieve improved on resistance is desired. | 2022-07-14 |
20220224331 | SWITCHING CIRCUIT - A switching circuit is provided. The switching circuit includes a first stage, a second stage, a decoupling inductor, a decoupling capacitor, and a semiconductor switch coupled between the first stage and the second stage. The first stage is configured to be coupled to a first bus. The second stage is configured to be coupled to a second bus. The decoupling inductor is coupled to the second stage, and the decoupling capacitor is coupled to the first stage. The semiconductor switch is configured to be controlled to convert a first current received at the first stage to a second current supplied to the second stage. | 2022-07-14 |
20220224332 | SUPERCONDUCTING SWITCHING DEVICES AND PROCESSES OF FORMING - Superconducting switching devices of electrically-polarizable ferroelectric materials and electrically conductive materials with control electrodes. Superconducting states of the superconducting switching devices are determined by polarization states of the electrically-polarizable ferroelectric materials and voltages applied to the control electrodes. | 2022-07-14 |
20220224333 | STRONG AND WEAK HYBRID PUF CIRCUIT - A strong and weak hybrid PUF circuit comprises N switch units and an arbiter. Each switch unit consists of two delay modules and two 2:1 multiplexers. The N switch units constitute two completely symmetrical delay paths. Each delay module consists of six stages of delay cells. During the operating process, a transmission signal selects a turn-on path of the corresponding 2:1 multiplexers according to activation signals; the switch units in the PUF circuit are in a valid state (if the delay modules are turned on) or in an invalid state (if the delay modules are not turned on) according to whether the delay modules are turned during the operating process; and the strong and weak hybrid PUF circuit can be flexibly configured to be of two different types (a strong PUF circuit and a weak PUF circuit) according to changes of the Hamming weight of input activation signals. | 2022-07-14 |
20220224334 | MULTIPLEXING LATCH CIRCUIT - A integrated circuit includes a clock generator and a multiplexing latch circuit. The clock generator generates first and second latching clock signals in response to a select signal and a clock signal having a clock signal waveform, each of the first latching clock signal and the second latching clock signal having the clock signal waveform. The multiplexing latch circuit selects either first data on a first data line or second data on a second data line based on the first latching clock signal and the second latching clock signal, and stores and outputs the selected data. | 2022-07-14 |
20220224335 | DATA BUS SIGNAL CONDITIONER AND LEVEL SHIFTER - A circuit includes signal conditioner circuitry, level shifter circuitry, and state detector and controller circuitry coupled between the signal conditioner circuitry and the level shifter circuitry. The state detector and controller circuitry includes receiver circuitry and a finite state machine coupled to the receiver circuitry. The finite state machine is configured to detect a first data rate from signals, control operation of the signal conditioner circuitry responsive to detecting the first data rate, and control operation of the level shifter circuitry during a second data rate. | 2022-07-14 |
20220224336 | DIGITAL LOGIC COMPATIBLE INPUTS IN COMPOUND SEMICONDUCTOR CIRCUITS - An apparatus includes a device comprising a semiconductor junction configured to generate a reference voltage, a voltage divider circuit, a comparator circuit, and a first output circuit. The voltage divider circuit may be configured to generate a first predetermined threshold voltage in response to the reference voltage. The comparator circuit may be configured to generate a first intermediate signal in response to a comparison of the first predetermined threshold voltage and an input signal. The first output circuit may be configured to generate a first output signal in response to the first intermediate signal. | 2022-07-14 |
20220224337 | PROGRAMMABLE DEVICE HAVING HARDENED CIRCUITS FOR PREDETERMINED DIGITAL SIGNAL PROCESSING FUNCTIONALITY - An example programmable device includes a configuration memory configured to store configuration data; a programmable logic having a configurable functionality based on the configuration data in the configuration memory; a signal conversion circuit; a digital processing circuit; an endpoint circuit coupled to the signal conversion circuit through the digital processing circuit; wherein the digital processing circuit includes a first one or more digital processing functions implemented as hardened circuits each having a predetermined functionality, and a second one or more processing functions implemented by the configurable functionality of the programmable logic. | 2022-07-14 |
20220224338 | PROGRAMMABLE DEVICE HAVING HARDENED CIRCUITS FOR PREDETERMINED DIGITAL SIGNAL PROCESSING FUNCTIONALITY - An example programmable device includes a configuration memory configured to store configuration data; a programmable logic having a configurable functionality based on the configuration data in the configuration memory; a signal conversion circuit; a digital processing circuit; an endpoint circuit coupled to the signal conversion circuit through the digital processing circuit; wherein the digital processing circuit includes a first one or more digital processing functions implemented as hardened circuits each having a predetermined functionality, and a second one or more processing functions implemented by the configurable functionality of the programmable logic. | 2022-07-14 |
20220224339 | FRACTIONAL FREQUENCY DIVIDER AND FLASH MEMORY CONTROLLER - The present invention provides a fractional frequency divider, wherein the fractional frequency divider includes a plurality of registers, a counter, a control signal generator and a clock gating circuit. Regarding the plurality of registers, at least a portion of the registers are set to have values The counter is configured to sequentially generate a plurality of counter values, wherein the plurality of counter values correspond to the at least a portion of the registers, respectively, and the plurality of counter values are generated repeatedly The control signal generator is configured to generate a control signal based on the received counter value and the value of the corresponding register. The clock gating circuit is configured to refer to the control signal to mask or not mask an input clock signal to generate an output clock signal. | 2022-07-14 |
20220224340 | COUNTING CIRCUIT AND CHIP - A counting circuit and a chip are disclosed. The counting circuit includes a charge counter module including a pulse processing module and a first capacitor. The pulse processing module is configured to covert a received pulse signal into a counting current and to transfer the converted counting current to the first capacitor. The first capacitor is configured to receive the counting current and store charge carried in the counting current. The counting circuit takes a voltage of the first capacitor as a basis for counting. The input voltage pulse signal is converted into a current signal in the form of micro pulses for charging the non-variable capacitor, and a counting result is obtained by detecting the voltage of the first capacitor, achieving the following advantages: no need to take care of whether the input pulse signal is continuous or discrete; high resistance to interference; adaptiveness to various input pulse signals of different waveforms and/or with different frequencies; and the ability to solve the problem with the conventional counting circuits that they may not be able to cope with irregular pulse signals and may even not be able to operate normally when such an irregular pulse signal is input. | 2022-07-14 |
20220224341 | APPARATUS AND METHOD FOR MINIMUM ENERGY TRACKING LOOP - Disclosed are an apparatuses and methods for minimum energy tracking loop that includes an oscillator to imitate a threshold path of a load system and automatically adjust a clock frequency as a supply voltage to the load system is changed, a voltage regulator configured to supply a power, an energy sensing unit which is connected to the oscillator and the voltage regulator and calculates a proportional energy proportional to a total energy consumed by the load system at a specific supply voltage, a minimum energy finder to find a minimum energy point of the load system by monitoring the calculated proportional energy proportional to the total energy at a plurality of supply voltages, a buck converter to supply a power to the load system with a supply voltage at which the load system operates with a minimum energy when the minimum energy point is found in the minimum energy finder. | 2022-07-14 |
20220224342 | CLOCKING ARCHITECTURE FOR A MULTI-DIE PACKAGE - A device including a system phase lock loop circuit to: receive a primary reference clock, generate a reference clock from the primary reference clock, and transmit the reference clock; and a phase lock loop circuit to receive the reference clocks, generate a sub-reference clock from the received respective reference clocks, and transmit the sub-reference clock from the phase lock loop circuit to drive operation of a first chiplet using the respective sub-reference clock, wherein the sub-reference clock drives the first chiplet. | 2022-07-14 |
20220224343 | High Gain Detector Techniques for High Bandwidth Low Noise Phase-Locked Loops - In described examples, a phase locked loop (PLL) has a first phase detector cell (PD) that has a gain polarity. The first PD cell has a phase error output and inputs coupled to a reference frequency signal and a feedback signal. A second PD cell has an opposite gain polarity. The second PD cell has a phase error output and inputs coupled to the reference frequency signal and the feedback signal. A loop filter has a feedforward path and a (lossy) integrating path coupled to an output of the filter. The feedforward path has a third PD cell that has phase error output AC-coupled to the filter output. The integrating path includes an opamp that has an inverting input coupled to the first PD cell phase error output and a non-inverting input coupled to the second PD cell phase error output. | 2022-07-14 |
20220224344 | CALIBRATION OF PARAMETRIC ERROR OF DIGITAL-TO-TIME CONVERTERS - In some examples, a circuit includes a clock divider and a calibration circuit coupled to the clock divider. The clock divider includes digital-to-time converter (DTC). The calibration circuit configured to determine a gain error and a parametric integrated nonlinearity (INL) error of the DTC, determine a gain adjustment value and a INL adjustment value to compensate for the gain error and the INL error, and modify operation of the DTC according to the gain adjustment value and the INL adjustment value to correct for the gain error and the INL error. | 2022-07-14 |
20220224345 | DIFFERENTIAL SIGNAL SKEW CALIBRATION CIRCUIT AND SEMICONDUCTOR MEMORY - Provided are a differential signal skew calibration circuit and a semiconductor memory. The differential signal skew calibration circuit may acquire a phase relationship of a differential signals through a phase detection circuit. A phase adjustment control circuit may generate a phase calibration control instruction according to the phase relationship of the differential signals to control a phase calibration circuit to calibrate a phase skew of the input differential signals. | 2022-07-14 |
20220224346 | Differential Current Sensing Circuit - A high resolution analog to digital converter (ADC) with improved bandwidth senses an analog signal (e.g., a load current) to generate a digital signal. The ADC operates based on a load voltage produced based on charging of an element (e.g., a capacitor) by a load current and a digital to analog converter (DAC) output current (e.g., from a N-bit DAC). The ADC generates a digital output signal representative of a difference between the load voltage and a reference voltage. This digital output signal is used directly, or after digital signal processing, to operate an N-bit DAC to generate a DAC output current that tracks the load current. In addition, quantization noise is subtracted from the digital output signal thereby extending the operational bandwidth of the ADC. In certain examples, the operational bandwidth of the ADC extends up to 100 s of kHz (e.g., 200-300 kHz), or even higher. | 2022-07-14 |
20220224347 | CONTINUOUS-TIME PIPELINED ADCS WITH EVENT-DRIVEN SAMPLING - Uniformly-sampled, residue-generating analog-to-digital converters (ADCs), such as uniformly-sampled continuous-time pipelined ADCs, suffer from over-ranging of the residue signal, which can lead to severe signal distortion. Conventionally, power consuming techniques and oversampling are used to address the over-ranging problem. To reduce the range of the residue signal and reduce other impairments, an event-driven sub-quantizer (sub-ADC) and a sub-digital-to-analog converter (sub-DAC) can be implemented in at least one of the stages of the residue-generating ADC, to generate a continuous-time residue signal. | 2022-07-14 |
20220224348 | High Gain Detector Techniques for Low Bandwidth Low Noise Phase-Locked Loops - In described examples, a feedback loop has phase detection (PD) circuitry that has a reference input to receive a reference frequency signal, a feedback input to receive a feedback signal, and phase difference outputs. A phase to digital converter (P2DC) includes a first phase to charge converter (PCC) that has a gain polarity and a first phase error output; a second PCC that has an opposite gain polarity and a second phase error output. A differential loop filter has an amplifier with an inverting input coupled to the first phase error output and a non-inverting input coupled to the second phase error output. An analog to digital converter (ADC) has an input coupled to an output of the differential loop filter. A feedback path is coupled to the output of the P2DC, with an output of the feedback path providing the feedback signal to the PD feedback input. | 2022-07-14 |
20220224349 | CALIBRATION SCHEME FOR A NON-LINEAR ADC - In described examples, an analog to digital converter (ADC), having an input operable to receive an analog signal and an output operable to output a digital representation of the analog signal, includes a voltage to delay (VD) block. The VD block is coupled to the input of the ADC and generates a delay signal responsive to a calibration signal. A backend ADC is coupled to the VD block, and receives the delay signal. The backend ADC having multiple stages including a first stage. A calibration engine is coupled to the multiple stages and the VD block. The calibration engine measures an error count of the first stage and stores a delay value of the first stage for which the error count is minimum. | 2022-07-14 |
20220224350 | MULTI-BIT RESOLUTION SUB-PIPELINE STRUCTURE FOR MEASURING JUMP MAGNITUDE OF TRANSMISSION CURVE - A multi-bit resolution sub-pipeline structure for measuring a jump magnitude of a transmission curve, comprising: a sub-analog-to-digital converter having n-bit resolution configured to quantize input analog voltage signals and output digital voltage signals; a sub-digital-to-analog converter having n-bit resolution configured to convert the digital voltage signals output by the sub-analog-to-digital converter into corresponding analog voltage signals; a decoder having n-bit resolution configured to decode an n-bit binary input signal; and a switched-capacitor amplification unit configured to, when in a normal mode, perform sampling and residue amplification on the input analog voltage signals; and when in a test mode, measure the jump magnitude of the transmission curve corresponding to each decision level. Magnitude measurement of a transmission curve is performed within 2 | 2022-07-14 |
20220224351 | D/A CONVERSION DEVICE, METHOD, STORAGE MEDIUM, ELECTRONIC MUSICAL INSTRUMENT, AND INFORMATION PROCESSING APPARATUS - A digital-to-analog conversion device which performs integration processing for integrating a difference between an input signal and a first return signal generated based on the input signal, and outputting an integration result, first quantization processing for quantizing the integration result, and outputting a first quantization signal, first return signal output processing for outputting the first return signal by adding to the first quantization signal a correction value delay signal acquired by a correction value signal outputted based on the integration result being delayed, and output processing for outputting output signals including a signal whose pulse width is asymmetrical to center of a processing period, based on the first quantization signal, in which the correction value signal includes a signal indicating a correction value for correcting a difference between a center of the pulse width asymmetrical to the center of the processing period and the center of the processing period. | 2022-07-14 |
20220224352 | ENCODING METHOD AND APPARATUS, STORAGE MEDIUM, AND COMPUTER DEVICE - An encoding method includes traversing a to-be-encoded string, searching for a preset string in the to-be-encoded string, and deleting the preset string in the to-be-encoded string if the preset string is found, to obtain a target string. | 2022-07-14 |
20220224353 | METHODS AND APPARATUS TO PARALLELIZE DATA DECOMPRESSION - Methods and apparatus to parallelize data decompression are disclosed. An example method selecting initial starting positions in a compressed data bitstream; adjusting a first one of the initial starting positions to determine a first adjusted starting position by decoding the bitstream starting at a training position in the bitstream, the decoding including traversing the bitstream from the training position as though first data located at the training position is a valid token; outputting first decoded data generated by decoding a first segment of the bitstream starting from the first adjusted starting position; and merging the first decoded data with second decoded data generated by decoding a second segment of the bitstream, the decoding of the second segment starting from a second position in the bitstream and being performed in parallel with the decoding of the first segment, and the second segment preceding the first segment in the bitstream. | 2022-07-14 |
20220224354 | Dynamic Dictionary-Based Network Compression - Methods and systems for providing dynamic dictionary-based compression and decompression are described herein. A computing device may receive, during a currently running session with a client device, a plurality of messages. The computing device may determine, based on the plurality of messages, one or more frames. The computing device may determine, based on the one or more frames, data samples. The computing device may compress the one or more frames based on a compression dictionary. The computing device may train, during the currently running session, the compression dictionary based on the determined data samples, to create a new compression dictionary. The computing device may determine, during the currently running session and based on receiving additional messages, one or more additional frames. In addition, the computing device may compress the one or more additional frames based on the new compression dictionary. | 2022-07-14 |
20220224355 | METHOD FOR SUPPORTING RATE-COMPATIBLE NON-BINARY LDPC CODE, AND WIRELESS TERMINAL USING SAME - A method for supporting a rate-compatible non-binary LDPC code, performed by a wireless device, according to the present embodiment, comprises the steps of: acquiring a kernel part comprising a plurality of first check nodes and a plurality of first variable nodes, the kernel part having a predetermined first code rate applied thereto, and the level of each of the plurality of first variable nodes included in the kernel part being set to 2; and generating, on the basis of the kernel part, a protograph having a second code rate, when a change from the first code rate to the second code rate is required. | 2022-07-14 |
20220224356 | METHODS AND APPARATUS FOR COMPACTLY DESCRIBING LIFTED LOW-DENSITY PARITY-CHECK (LDPC) CODES - Certain aspects of the present disclosure generally relate to techniques for compactly describing lifted low-density parity-check (LDPC) codes. A method by a transmitting device generally includes selecting a first lifting size value and a first set of lifting values; generating a first lifted LDPC code by applying the first set of lifting values to interconnect edges in copies of a parity check matrix (PCM) having a first number of variable nodes and a second number of check nodes; determining a second set of lifting values for generating a second lifted LDPC code for a second lifting size value based on the first lifted PCM and the first set of lifting values; encoding a set of information bits based the first lifted LDPC code or the second lifted LDPC code to produce a code word; and transmitting the code word. | 2022-07-14 |
20220224357 | DATA PROCESSING METHOD AND DECODER - A computer-implemented method includes: receiving a code word sequence whose digit quantity is n; determining a check matrix of an order m×n, where a base matrix of the check matrix is a matrix of an order m | 2022-07-14 |
20220224358 | POLAR CODE DECODING APPARATUS AND OPERATION METHOD THEREOF - A polar code decoding apparatus and an operation method thereof are provided. The polar code decoding apparatus includes a path expanding circuit and a node processing circuit. The path expanding circuit expands each of multiple previous paths corresponding to multiple previous decoding results into multiple candidate paths according to a current node. The path expanding circuit dynamically determines a path expanding number of the candidate paths of each of the previous paths according to an unreliable information bit number of the current node. The node processing circuit performs a path competition operation to select some paths from the candidate paths to serve as multiple current paths corresponding to multiple current decoding results. | 2022-07-14 |
20220224359 | METHOD AND APPARATUS FOR CHANNEL ENCODING AND DECODING IN COMMUNICATION OR BROADCASTING SYSTEM - The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A channel encoding method in a communication or broadcasting system includes identifying an input bit size, determining a block size (Z), determining an LDPC sequence for LDPC encoding, and performing the LDPC encoding based on the LDPC sequence and the block size. | 2022-07-14 |
20220224360 | Method and Device for Transmitting a Data Stream with Selectable Ratio of Error Correction Packets to Data Packets - A method of transmitting data determines a measure of consecutive packet loss in a network; a ratio of a number of data packets and a number of error correction packets is selected in dependence on the measure. A stream of data packets is generated, and a stream of error correction packets is generated in dependence on the stream of data packets such that the proportion of error correction packets generated to the data packets generated is commensurate with the selected ratio. | 2022-07-14 |
20220224361 | BANDWIDTH CONSTRAINED COMMUNICATION SYSTEMS WITH NEURAL NETWORK BASED DETECTION - The technology relates to bandwidth constrained communication systems with neural network based detection. In some embodiments, a bandwidth constrained equalized transport (BCET) communication system comprises: a transmitter comprising an error control code encoder, a pulse-shaping filter, and a first interleaver; a communication channel; and a receiver comprising a neural network processing block that processes a received signal. The error control code encoder can append redundant information onto the signal. The pulse-shaping filter can intentionally introduce memory into the signal in the form of inter-symbol interference. The first interleaver can change a temporal order of the symbols in the signal. The error control code encoder can be a low-density parity-check (LDPC) error control code encoder. The neural network can be trained with positive mappings between transmitted and decoded training signals, or negative mappings between training signals and a null space of an LDPC generation matrix. | 2022-07-14 |
20220224362 | OVER-PUNCTURE MITIGATION IN LDCP RATE MATCHING - This disclosure describes systems, methods, and devices related to over-puncture mitigation. A device may generate a frame comprising a payload having a payload size associated with a number of bits. The device may determine a low-density parity-check (LDPC) codeword size based on the payload size. The device may calculate a number of codewords based on the payload size. The device may calculate a number of shortening bits and a number of LDPC padding bits based on the number of codewords. The device may calculate a number of orthogonal frequency division multiplexing (OFDM) symbols for containing the number of codewords. The device may cause to send the frame with the number of OFDM symbols to a station device. | 2022-07-14 |
20220224363 | METHOD FOR IMPROVING PERFORMANCE OF LOW-INTERMEDIATE FREQUENCY RECEIVER, STORAGE MEDIUM, AND RECEIVER - Disclosed in the present application are a method for improving performance of a low-intermediate frequency receiver, a storage medium, and a receiver. The method comprises: selecting a local oscillator signal from a preset local oscillator frequency set as an initial local oscillator signal to perform frequency mixing processing on an input signal, so as to obtain a low-intermediate frequency signal comprising a low-intermediate frequency useful signal and a low-intermediate frequency interference signal; determining whether an energy ratio of the low-intermediate frequency interference signal to the low-intermediate frequency useful signal is greater than a first preset ratio; and if the energy ratio is greater than the first preset ratio, selecting another local oscillator frequency from the preset local oscillator frequency set as the current local oscillator signal to process the input signal. In this way, the present application can improve the adjacent channel selectivity of a low-intermediate frequency receiver. | 2022-07-14 |
20220224364 | SUPPLY MODULATOR AND WIRELESS COMMUNICATION APPARATUS INCLUDING THE SAME - Provided are a supply modulator and a wireless communication apparatus including the same. A supply modulator according to the inventive concept is driven in any one of an average power tracking mode and a discrete level envelope tracking mode to apply an output voltage to a power amplifier, and includes a multiple output voltage balancer, a switching regulator, a switching regulator controller, a switch array, a discrete-level controller, a switch controller, an output filter, and a main controller. | 2022-07-14 |
20220224365 | SIGNAL ANALYSIS DEVICE, CONTROL CIRCUIT, AND STORAGE MEDIUM - A signal analysis device includes: a plurality of time-frequency conversion units that are each provided corresponding to one of a plurality of sampling sequences and convert a corresponding sampling sequence, the plurality of sampling sequences having been subjected to sampling performed at a sampling rate lower than a Nyquist rate from a plurality of signal systems generated by branching a signal of interest, and having received addition of delay times different from each other; signal processing units that collectively perform a phase compensation process corresponding to a sub-Nyquist zone of the sampling sequence output by a corresponding time-frequency conversion unit and a process of canceling phase rotation caused by a delay time difference between the plurality of sampling sequences; and a frequency estimation unit that estimates a frequency of the signal of interest by determining from which sub-Nyquist zone the signal of interest has been folded. | 2022-07-14 |
20220224366 | INDIRECT REFLECTION DETECTION FOR RECEIVER CIRCUITRY PROTECTION IN TDD TRANSCEIVERS - In an example, a receiver protection circuit includes a directional coupler configured to be coupled to a receive signal path of a communications device between an isolation device and an amplifier of the receive signal path. The receiver protection circuit further includes a power detector coupled to the directional coupler and configured to measure a power level of a transmit leakage signal in the receive signal path. The receiver protection circuit further includes a comparator configured to compare the measured power level of the transmit leakage signal in the receive signal path to a threshold value and output an alarm signal indicating that the measured power level of the transmit leakage signal exceeds the threshold value. | 2022-07-14 |
20220224367 | COMMUNICATIONS SYSTEM - The disclosure relates to a communications system having a transmitter and receiver connected via a transmission line. An example communications receiver ( | 2022-07-14 |
20220224368 | COMMUNICATION APPARATUS - Embodiments of this application disclose a communication apparatus. The communication apparatus may include a first transceiver, a second transceiver, and a power amplifier. The first transceiver and the second transceiver may be separately connected to the power amplifier. In this way, when it is determined that a network load is relatively low, any transceiver in the communication apparatus may be turned off. Because the turned-off transceiver no longer continues to generate power consumption, power consumption of the entire communication apparatus is reduced, to achieve an energy saving effect. In addition, when an electronic component in the communication apparatus is turned off, the power amplifier may not be turned off, and the power amplifier may still receive a corresponding radio frequency signal from a transceiver that is not turned off, to perform power amplification and send a corresponding radio frequency signal. | 2022-07-14 |
20220224369 | Electronic Device, Screen Assembly, and Screen Protection Member and Manufacturing Method Thereof - A screen protection member includes a protection film and a frame. The protection film includes a bonding surface. The frame is fastened to a peripheral region of the bonding surface by surrounding the peripheral region. The frame has at least one notch group. A single notch group includes two notches that are disposed opposite to each other. The at least one notch group divides the frame into at least two frame parts that are spaced apart from each other. | 2022-07-14 |
20220224370 | CASE STRUCTURE FOR MOBILE PHONE, TABLET, AND SIMILAR ELECTRONIC DEVICES - A device case with an inner surface and an outer surface, with inner edge surfaces and outer corner surfaces, wherein the device case provides a protection for electronic devices such as mobile phones, tablets, laptops, and a like against external factors, wherein the device case includes impact absorbers with a plurality of tiny balls formed on the inner surface and/or the outer surface. | 2022-07-14 |
20220224371 | FLUORESCENT MOBILE PHONE CASE WITH MARBLE BILLIARD - The present disclosure discloses a fluorescent mobile phone case with marble billiard. The fluorescent mobile phone case includes a mobile phone case main body on which fluorescent powder is uniformly provided, where the mobile phone case main body is provided with a fence; a cover plate fixedly arranged above the fence, where the cover plate is made of a transparent material; a metal rod movably arranged on a side edge of the fence; a marble movably arranged in the fence; one or more of a rotary table, a hole, and a spiral coil respectively arranged in the fence; a first fixing member arranged in the mobile phone case main body, disposed under the marble, and used for positioning and fixing the marble; and a second fixing member arranged on the fence and used for fixing the metal rod. | 2022-07-14 |
20220224372 | FOLDABLE PHONE CASE METHOD AND DEVICES - The embodiments disclose a method including fabricating a one section foldable phone case for coupling with a foldable phone configured to fold from top to bottom, fabricating a one section foldable phone case for coupling with a foldable phone configured to fold from side to side, fabricating a two-section foldable phone case for coupling with a foldable phone configured to fold from top to bottom, fabricating a two-section foldable phone case for coupling with a foldable phone configured to fold from side to side, wherein phone cases are configured to view front and back foldable phone folded and unfolded screens, and embedding a RFID chip with a unique ID number into a foldable phone cases configured for locating and identifying a user's foldable phone case. | 2022-07-14 |
20220224373 | FEEDFORWARD POWER AMPLIFIER FOR BROADBAND OPERATION - Broadband feedforward power amplifiers are disclosed herein. In certain embodiments, a broadband feedforward power amplifier includes a power amplifier electrically connected between a radio frequency (RF) input and an RF output, and a feedforward compensation circuit including a first amplifier electrically connected in parallel with the power amplifier, a load impedance, and a second amplifier electrically connected between the radio frequency input and the load impedance. The feedforward compensation circuit generates a compensation signal based on sensing an output of the first amplifier and an output of the second amplifier, and provides the compensation signal to the radio frequency output to thereby compensate the power amplifier for non-linearity. | 2022-07-14 |
20220224374 | FREQUENCY HOPPING WITH SLOT BUNDLING - Methods, systems, and devices for wireless communications are described. A user equipment (UE) may transmit uplink transmissions according to a frequency hopping pattern. The UE may identify that a first set of uplink transmissions are to be transmitted to a base station by a first set of resources (e.g., a first set of slots, a first set of frequency resources) as indicated by the frequency hopping pattern. The UE may further identify, based on the frequency hopping pattern, that a second set of uplink transmissions are to be transmitted to the base station by a second set of resources (e.g., a second set of slots, a second set of frequency resources). The first set of slots and the second set of slots may each include more than one slot. Additionally, the first and second set of resources may be within a same bandwidth part or in different bandwidth parts. | 2022-07-14 |
20220224375 | GAIN ADAPTATION FOR DOWNSTREAM VECTORING SYSTEMS - In accordance with an embodiment, the method includes detecting an update event whereupon a precoder needs to be updated, sending signal adjustment information to a receiver remotely coupled to a subscriber line out of the plurality of subscriber lines indicative of a signal compensation factor to be applied to a receive communication signal to compensate for a channel bias caused by the scheduled precoder update, and time-coordinating the precoder update with the enforcement of the signal compensation factor at the receiver. | 2022-07-14 |
20220224376 | ELECTRONIC DEVICE AND METHOD FOR IDENTIFYING PRODUCT BASED ON NEAR FIELD COMMUNICATION - A method for identifying information on an external electronic device based on near field communication (NFC). The method includes transmitting a signal of an NFC band to the external electronic device; identifying whether the external electronic device is capable of NFC, requesting an NFC identifier (ID) from the external electronic device, and receiving the NFC ID from the external electronic device; receiving the NFC ID, reading a unique identifier from the NFC ID, and identifying a communication protocol type; identifying flag information included in the NFC ID; and determining whether the external electronic device is initially recognized and/or normally recognized through the flag information. | 2022-07-14 |
20220224377 | METHOD FOR MAPPING NFC FIELD STRENGTH AND LOCATION ON MOBILE DEVICES - Various embodiments are directed to a method and system for mapping or visualizing the magnetic fields and their associated field strengths of an object, such as a mobile computing device. An example source of the magnetic fields may be a near-field communication (NFC) reader configured in the object. A computer vision system or device may track a visual marker arranged near or on a magnetic field strength detector in order to associate, match, or map the magnetic field strength measurement readings of the detector at different positions or locations on the object. The computer vision system may generate and display a heat map of the object based on at least the magnetic field strength measurements and their relative positions. | 2022-07-14 |
20220224378 | METHOD AND APPARATUS FOR DOWNLINK TRANSMISSION IN A CLOUD RADIO ACCESS NETWORK - A method for downlink transmission in a cloud radio access network for a number of users is applied in a central unit. The central unit determines a specific number of remote radio heads (RRHs) as non-serving RRHs based on a predetermined data compression ratio. For each of many pieces of user equipment (UEs), the central unit determines a combination of RRHs which are non-serving in coordinated multi-point transmission (CoMP) from a plurality of RRHs based on the determined specific number, and then performs CoMP downlink transmission based on the combination of RRHs which are non-serving in the CoMP. | 2022-07-14 |
20220224379 | USER EQUIPMENT AND COMMUNICATION METHOD - User equipment includes a control unit configured to determine a spatial reception parameter of a channel, based on quasi co-location (QCL) information related to a synchronization signal or a reference signal; and a reception unit configured to receive the channel based on the determined spatial reception parameter. In the QCL information, a QCL parameter applied to a source signal is partially or entirely different from a QCL parameter applied to a destination signal. | 2022-07-14 |
20220224380 | MULTI-STREAM MIMO/BEAMFORMING RADAR - An advanced system and method is provided. The advanced system and method comprises: a set of antennas including a set of transmit antennas and a set of receive antennas; a digital beamformer; and a processor operably connected to the set of antennas and the digital beamformer, the processor configured to; identify a set of orthogonal multiple-input-multiple-output (MIMO) signals, generate a first set of beams via the digital beamformer, and map the set of orthogonal MIMO signals into each of the generated set of beams. The advanced system and method further comprises a transceiver operably connected to the processor, the transceiver configured to: transmit, to a target scene via the set of transmit antenna of the set of antennas, a first signal based on the first set of beams; and receive, via the set of receive antennas of the set of antennas, a second signal based on a second set of beams that is reflected or backscattered from the target scene. | 2022-07-14 |
20220224381 | METHOD AND DEVICE FOR RECEIVING FEEDBACK FRAME IN WIRELESS LAN SYSTEM - Proposed are a method and device for receiving a feedback frame in a wireless LAN system. Specifically, a first STA transmits an NDPA frame to a second STA. The first STA transmits an NDP frame to the second STA. The first STA receives, from the second STA, a feedback frame transmitted on the basis of the NDP frame. The feedback frame includes information about a beamforming feedback matrix. The information about the beamforming feedback matrix includes a first bit for the index difference between quantized phi of adjacent subcarriers, and a second bit for the index difference between quantized psi of the adjacent subcarriers. The adjacent subcarriers are two adjacent subcarriers starting with the first subcarrier among all of the subcarriers. The first subcarrier is either the left edge subcarrier or the right edge subcarrier. The quantized phi and psi are information about beamforming angles. | 2022-07-14 |
20220224382 | BEAMFORMING COMMUNICATION SYSTEMS WITH POWER AMPLIFIER OUTPUT IMPEDANCE TUNING CONTROL - Apparatus and methods for beamforming communication systems with power control based on antenna pattern configuration are provided. In certain embodiments, a beamforming communication system includes an antenna array including a plurality of antenna elements. The beamforming communication system further includes a plurality of signal conditioning circuits operatively associated with the antenna elements, and an antenna array management circuit that generates a plurality of control signals that individually control the signal conditioning circuits. The antenna array management circuit achieves a desired level of power control based on generating the control signals to select an antenna pattern configuration associated with a desired power control level. | 2022-07-14 |
20220224383 | Systems and Methods for Extremely High Throughput Sounding Process Indication - Disclosed herein are devices, systems and methods between a between a plurality of collaborating Access Points (APs) and a receiving station (STA) operating in a wireless local area network (WLAN). The method include the steps of: transmitting, by each AP in the plurality of collaborating APs, a data frame to the receiving STA, each data frame has a preamble portion, the preamble portion including a signal (SIG) field, and the SIG field has a subfield including information representative of a total number of spatial streams transmitted by the plurality of collaborating Aps. | 2022-07-14 |
20220224384 | NETWORK NODE AND METHOD IN A WIRELESS COMMUNICATIONS NETWORK - A method performed by a network node for handling a Single User (SU) Multiple Input Multiple Output (MIMO) transmission from a User Equipment (UE) in a wireless communications network is provided. The network node selects an allowed precoding matrix set for the SU MIMO transmission. The network node further estimates a raw covariance matrix for the SU MIMO transmission, based on a Demodulation Reference Signal, DMRS, of a Physical Uplink Shared Channel, PUSCH, received from the UE. The network node then selects a precoding matrix and a rank for the SU MIMO transmission, based on the estimated raw covariance matrix and the selected allowed precoding matrix set. | 2022-07-14 |
20220224385 | AN ANTENNA SOFT SWITCHING SOLUTION OF AN AOD DIRECTION FINDING TRANSMITTER - The invention relates to an antenna soft switching system of an Angle of Departure, AoD, direction finding transmitter unit. The soft switching system comprises: a timing unit for obtaining at least a starting time of a switching event, a switching network arranged on a radio frequency, RF, signal path between an RF port and a first antenna port and a second antenna port, and a generator unit for generating at least one waveform for controlling the switching network. The generator unit is configured to control the switching network so that the amplitude of the RF signal is switched substantially smoothly from the first antenna port to the second antenna port so that level of unwanted emissions of a transmitted RF spectrum of the AoD directional finding transmitter unit are reduced. The invention relates also to an AoD direction finding transmitter unit comprising the antenna soft switching system and to an antenna soft switching method for an AoD directional finding transmitter unit. | 2022-07-14 |
20220224386 | METHOD AND APPARATUS FOR INITIAL ACCESS IN COMMUNICATION SYSTEM - An operation method of a terminal for initial access in a communication system may comprise: receiving a plurality of SSBs having different indexes through a plurality of antennas included in a base station; calculating a channel capacity using the plurality of SSBs; feeding back, to the base station, index(es) of one or more SSBs for having a maximum channel capacity among the plurality of SSBs; and performing communication with the base station through a combination of two or more antennas that have transmitted the one or more SSBs for having the maximum channel capacity among the plurality of antennas. | 2022-07-14 |
20220224387 | SUB-BAND CHANNEL STATE INFORMATION REPORTING FOR ULTRA-RELIABLE LOW LATENCY COMMUNICATIONS - Aspects relate to mechanisms for wireless communication devices to report sub-band (SB) channel state information (SB-CSI). A UE receives a physical downlink shared channel (PDSCH) transmission from a base station. The UE transmits either an acknowledgement (ACK) transmission or a negative acknowledgement (NACK) transmission to the base station in response to a reception of the PDSCH transmission. The UE determines whether to transmit a sub-band (SB) channel state information (SB-CSI) report to the base station based on whether the ACK transmission is transmitted to the base station or whether the NACK transmission is transmitted to the base station. | 2022-07-14 |
20220224388 | APPARATUS AND METHOD FOR RECONSTRUCTING DOWNLINK CHANNEL IN WIRELESS COMMUNICATION SYSTEM - The disclosure relates to a 5 | 2022-07-14 |
20220224389 | FEEDBACK METHOD AND ACQUISITION METHOD FOR GROUPING INDICATION INFORMATION AND DEVICE - Provided are a method and device for acquiring grouping indication information. The method for acquiring grouping indication information includes: acquiring second-type grouping indication information, wherein the second-type grouping indication information comprises grouping manner indication information and information on resources in a group; determining a transmission parameter of a reference signal corresponding to the second-type grouping indication information according to the second-type grouping indication information; and transmitting the reference signal according to the transmission parameter; wherein a resource of the resources in the group comprises a transmission port resource, a transmission frequency domain resource, a transmission sequence resource and a transmission time domain resource. | 2022-07-14 |
20220224390 | Methods and Apparatuses for Enhancement on Basis Subset Indication for Two-Codebook Based CSI Reporting - The present disclosure relates to methods and apparatuses (UE, network node or gNB) for CSI reporting. The method performed by a UE comprises: receiving from the gNB, a radio signal via a MIMO channel, wherein the radio signal contains at least one DL-RS according to a DL-RS configuration; estimating said MIMO channel based on said received at least one DL reference signal for configured subbands; calculating a precoder matrix or a CSI matrix for a number of antenna ports of the gNB and configured subbands; the precoder matrix based on a first codebook and on a second codebook and a set of combining coefficients for complex scaling/combining one or more of vectors selected from the first codebook and the second codebook; and reporting, to the gNB, a CSI feedback report and/or a PMI/RI, used to indicate the precoder matrix or the CSI matrix for the configured antenna ports and subbands. | 2022-07-14 |
20220224391 | Methods and Apparatuses for CSI Reporting in a Wirless CFCommunication System - The present disclosure relates to methods and apparatuses (UE, network node or gNB) for CSI reporting. The method performed by a UE comprises: receiving from the gNB, a radio signal via a MIMO channel, wherein the radio signal contains at least one DL-RS according to a DL-RS configuration; estimating said MIMO channel based on said received at least one DL reference signal for configured subbands; calculating a precoder matrix or a CSI matrix for a number of antenna ports of the gNB and configured subbands; the precoder matrix bcing based on a first codebook and on a second codebook and a set of combining coefficients for complex scaling/combining one or more of vectors selected from the first codebook and the second codebook; and reporting to the gNB, a CSI feedback report and/or a PMI/RI, used to indicate the precoder matrix or the CSI matrix for the configured antenna ports and subbands. | 2022-07-14 |
20220224392 | SYSTEM AND METHOD FOR IMPROVING BEAM MANAGEMENT PROCEDURES - Aspects of the disclosure relate to beam management techniques in a wireless communication system. A UE establishes a communication link with a base station and receives a set of transmit beams transmitted via a plurality of symbols in a sequential manner, wherein a respective transmit beam is transmitted in a respective symbol of the plurality of symbols. The UE measures, for each transmit beam in the set of transmit beams, a set of signal strengths corresponding to the respective transmit beam using a plurality of receive beams in the respective symbol, wherein a respective signal strength is measured based on a respective receive beam. The UE then sends a feedback message to the base station comprising at least an identification of a transmit beam having a highest measured signal strength among all sets of signal strengths measured for the set of transmit beams and the highest measured signal strength. | 2022-07-14 |
20220224393 | METHODS FOR WIRELESS RADIO LINK RECOVERY - This disclosure relates to wireless radio link recovery methods. In various implementations, the method includes determining a beam failure event for a first cell, and transmitting a beam recovery request message on a shared uplink channel when available. In other implementations, the method includes determining that the shared uplink channel is not available for transmitting the beam recovery request message and transmitting a resource request to request allocation of the shared uplink channel via a second cell. | 2022-07-14 |
20220224394 | METHODS FOR CONTROLLING BEAM FAILURE DETECTION, WIRELESS DEVICES AND NETWORK NODES - The present disclosure provides a method performed by a wireless device, for controlling beam failure detection. The wireless device comprises one or more beams configured to communicate with a network node. The method comprises receiving, from the network node, control signalling indicative of one or more parameters of a configuration setting to apply for beam failure detection. The method comprises measuring a beam quality metric of a serving beam. The method comprises detecting abeam failure based on the measured beam quality metric and the received control signalling. | 2022-07-14 |
20220224395 | BEAM INDICATIONS OF VARIOUS BEAM INDICATION TYPES - Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may transmit a set of beam indications, associated with a set of beam indication types, for a set of beams to use for communication via a set of channels. The set of beam indications includes a first beam indication, associated with a first beam indication type, that indicates to use a first beam for communication via at least a first channel of the set of channels. The base station may select, based at least in part on the set of beam indication types, a second beam indication type for transmission of a second beam indication that indicates to use a second beam for communication via the first channel of the set of channels. The base station may transmit the second beam indication using the second beam indication type. Numerous other aspects are described. | 2022-07-14 |
20220224396 | COMMUNICATIONS DEVICE, INFRASTRUCTURE EQUIPMENT AND METHODS - A method of transmitting data to a communications device from a wireless communications network comprising one or more infrastructure equipment, the method comprises configuring one or more of the infrastructure equipment for transmitting one or more candidate beams of signals which can be used to transmit the data to the communications device from each of one or more cells of the wireless communications device formed by the infrastructure equipment. Each of the candidate beams is configured with a different directional bias with respect to a location of the one or more cells from which the signals of the candidate beam can be received when transmitted. | 2022-07-14 |
20220224397 | REPORTING ANGULAR OFFSETS ACROSS A FREQUENCY RANGE - Methods, systems, and devices for wireless communications are described. A receiving device may receive a signal over a first frequency from a transmitting device. The receiving device may determine a set of angular offsets associated with communicating signals over a set of frequencies based on the angle of arrival of the signal, where each frequency of the set of frequency may be offset from the first frequency by a different amount. The receiving device may indicate the set of angular offsets to the transmitting device. The transmitting device may adapt a reception configuration for receiving signals from the receiving device, transmitting signal to the receiving device, or both based on the indication of the set of angular offsets. | 2022-07-14 |
20220224398 | BEAM TRACKING MEASUREMENT CONTROL - A method for wireless communication is disclosed, wherein an access node is configured to transmit signals using beamforming to a user device, wherein transmitting signals using beamforming comprises transmitting signals using a selected beam of a plurality of available beams, and wherein beam tracking comprises measurements by the user device on a candidate set of beams of the plurality of available beams for beam selection. The method comprises estimating at least one of a distance from the access node to the user device and a velocity parameter of the user device, and adjusting one or more of a beam tracking measurement frequency, a beam tracking measurement periodicity, the beam tracking measurement period, and a beam tracking measurement interval based on at least one of the estimated distance from the access node to the user device and the estimated velocity parameter of the user device. In some embodiments, adjusting one or more of the beam tracking measurement frequency, the beam tracking measurement periodicity, the beam tracking measurement period, and the beam tracking measurement interval is further based on a load of the access node and/or on a priority of the user device. Corresponding apparatus, network node and computer program product are also disclosed. | 2022-07-14 |
20220224399 | MILLIMETERWAVE REPEATER AND DISTRIBUTED ANTENNA SYSTEM FOR POWER TRANSMISSION - Provided is a distributed antenna system using a millimeterwave repeater. The distributed antenna system includes a donor unit configured to receive a downlink millimeter band radio frequency (RF) signal from a gNodeB base station, sum the received RF signal with a communication signal, and a synchronization signal to generate a summation signal, and transmit the summation signal; a transmission unit configured to transmit the summation signal and a power signal for power supply; and a server unit configured to receive the summation signal, separate and amplify the summation signal to transmit an RF signal to a user terminal. Only one of the donor unit and the server unit includes a power supply unit configured to generate the power signal. | 2022-07-14 |
20220224400 | REPEATER SYSTEM FOR USE WITH 5G NEW RADIO BASE STATION - Embodiments of repeater systems (such as single-node repeaters and distributed antenna systems) suitable for use with 5G NR base stations are disclosed. | 2022-07-14 |
20220224401 | UNMANNED AERIAL SYSTEM COMMUNICATION - Systems and method may provide unmanned aerial vehicle (UAV) connection monitoring and location reporting. A method implemented by at least one processor includes receiving, by an unmanned aerial system application enabler (UAE) server, a location report indicating a location of the UAV from a location management (LM) server; receiving, by the UAE server, a lost connection report indicating a loss of connection with the UAV; receiving, by the UAE server, a connection resumption report from a network resource management (NRM) server indicating that the connection with the UAV has been re-established; and based on receiving the connection resumption report, transmitting, from the UAE server, a location update request to the LM server. | 2022-07-14 |
20220224402 | SYSTEM, COMMUNICATION APPARATUS, COMPUTER-READABLE STORAGE MEDIUM AND CONTROL METHOD - Provided is a system, including: a first communication apparatus including a first directional antenna; and a second communication apparatus, loaded on a mobile object, including a second directional antenna, wherein the first communication apparatus includes: a first adjustment performing unit configured to perform a calibration of the first directional antenna; and a first notification information transmitting unit configured to transmit a first notification information to the second communication apparatus according to a completion of a calibration of the first directional antenna by the first adjustment performing unit; and wherein the second communication apparatus includes a second adjustment performing unit configured to perform a calibration of the second directional antenna according to a receipt of the first notification information. | 2022-07-14 |
20220224403 | SINGLE-FREQUENCY BROADCASTING NETWORKS USING MULTIPLE SPOTBEAMS - Systems and methods operating a spotbeam satellite network. One example embodiment provides a satellite broadcast system. The system includes an electronic processor communicatively coupled to a satellite, and a user equipment. The electronic processor receives a plurality of bearer signals, each bearing identical broadcast or multicast program information. For each of the plurality of bearer signals, the electronic processor generates one of a plurality of spotbeams for transmission by the satellite within a coverage area. The electronic processor introduces into the bearer signal of each spotbeam of the plurality of spotbeams a differential delay with respect to the bearer signals of each of the other spotbeams of the plurality of spotbeams The user equipment is receives the bearer signals from a plurality of adjacent spotbeams of the plurality of spotbeams. The user equipment constructively utilizes the bearer signals received from the plurality of adjacent spotbeams to decode the program information. | 2022-07-14 |