42nd week of 2021 patent applcation highlights part 71 |
Patent application number | Title | Published |
20210328562 | POWER AMPLIFIER CIRCUIT - A power amplifier circuit includes a power amplifier, first and second filters, and first and second output paths. The power amplifier is able to amplify both of a first signal and a second signal. The frequency of the second signal is higher than that of the first signal. The first filter includes a first inductor and attenuates the second signal amplified in the power amplifier. The first inductor serves as a path for the first signal amplified in the power amplifier. The second filter includes a first capacitor and attenuates the first signal amplified in the power amplifier. The first capacitor serves as a path for the second signal amplified in the power amplifier. The first signal outputted from the first filter is supplied to the first output path. The second signal outputted from the second filter is supplied to the second output path. | 2021-10-21 |
20210328563 | CIRCUIT EMPLOYING MOSFETS AND CORRESPONDING METHOD - A MOSFET has a current conduction path between source and drain terminals. A gate terminal of the MOSFET receives an input signal to facilitate current conduction in the current conduction path as a result of a gate-to-source voltage reaching a threshold voltage. A body terminal of the MOSFET is coupled to body voltage control circuitry that is sensitive to the voltage at the gate terminal of the MOSFET. The body voltage control circuitry responds to a reduction in the voltage at the gate terminal of the MOSFET by increasing the body voltage of the MOSFET at the body terminal of the MOSFET. As a result, there is reduction in the threshold voltage. The circuit configuration is applicable to amplifier circuits, comparator circuits and current mirror circuits. | 2021-10-21 |
20210328564 | METHODS AND CIRCUITRY FOR BUILT-IN SELF-TESTING OF CIRCUITRY AND/OR TRANSDUCERS IN ULTRASOUND DEVICES - Aspects of the technology described herein relate to built-in self-testing (BIST) of circuitry (e.g., a pulser or receive circuitry) and/or transducers in an ultrasound device. A BIST circuit may include a transconductance amplifier coupled between a pulser and receive circuitry, a capacitor network coupled between a pulser and receive circuitry, and/or a current source couplable to the input terminal of receive circuitry to which a transducer is also couplable. The collapse voltages of transducers may be characterized using BIST circuitry, and a bias voltage may be applied to the membranes of the transducers based at least in part on their collapse voltages. The capacitances of transducers may also be measured using BIST circuitry and a notification may be generated based on the sets of measurements. | 2021-10-21 |
20210328565 | VARIABLE-GAIN AMPLIFIER AND PHASED ARRAY SYSTEM - A variable-gain amplifier and a phased array system are provided. A variable-gain amplifier includes a cascode circuit comprising a first amplification transistor and a second amplification transistor array that are cascaded, the second amplification transistor array comprising a plurality of second amplification transistors connected in parallel and configured to output an adjustable current to an output matching network, the first amplification transistor is a common-source transistor, the plurality of second amplification transistors are common-gate transistors, or the cascode circuit is a common-emitter common-base circuit, the first amplification transistor is a common-emitter amplification circuit, and the second amplification transistor array is a common-base amplification circuit. The variable-gain amplifier further including a variable capacitor circuit coupled to the second amplification transistor array and coupled to the output matching network at first nodes. | 2021-10-21 |
20210328566 | METHOD OF MANUFACTURING QUARTZ CRYSTAL ELEMENT - A method of manufacturing a quartz crystal element includes the steps of preparing a quartz crystal wafer which has a predetermined cutting angle with respect to a crystal axis of a quartz crystal, and which has a first surface and a second surface having an obverse-reverse relationship, forming a first resist film on the first surface, the first resist film having a first tilted part tilted with respect to the first surface, and being dry-etched together with the quartz crystal, forming a first tilted surface tilted with respect to the first surface by dry-etching the quartz crystal wafer from the first surface side, forming a second resist film on the second surface, the second resist film having a second tilted part tilted with respect to the second surface, and being dry-etched together with the quartz crystal, and forming a second tilted surface tilted with respect to the second surface by dry-etching the quartz crystal wafer from the second surface side, wherein the quartz crystal element which is provided with the first tilted surface and the second tilted surface, and which has a cutting angle different from the predetermined cutting angle is formed. | 2021-10-21 |
20210328567 | FREQUENCY-SELECTIVE PLANAR RADIO FILTER - A planar radio frequency filter is described, comprising a frequency selective surface (FSS) applied to a substrate. The filter blocks the transmission of electromagnetic waves in at least two independent radio frequency bands. The FSS comprises a periodic array of multipole inclusions with skewed or forked poles to increase packing density. The inclusions comprise four or six primary poles to generate the lower frequency resonance and an additional four or six secondary poles to generate the higher frequency resonance. The secondary inclusions are located between the primary inclusions to tune the higher resonance frequency. The FSS incorporates overlapping parallel conducting segments that overlap to provide an inductive-capacitive path between adjacent inclusions. | 2021-10-21 |
20210328568 | SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR - Resonator devices are disclosed. An acoustic resonator device includes a piezoelectric plate having front and back surfaces, an acoustic Bragg reflector on the back surface, and an interdigital transducer (IDT) on the front surface. The acoustic Bragg reflector reflects a primary shear acoustic mode excited by the IDT in the piezoelectric plate over a frequency range including a resonance frequency and an anti-resonance frequency of the acoustic resonator device. | 2021-10-21 |
20210328569 | BONDED BODY OF PIEZOELECTRIC MATERIAL SUBSTRATE AND SUPPORTING SUBSTRATE - A bonded body includes a supporting substrate; a piezoelectric material substrate composed of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalate; and a bonding layer bonding the supporting substrate and the piezoelectric material substrate and contacting a main surface of the piezoelectric material substrate. It is provided that at least one of a bonding surface of the supporting substrate and a bonding surface of the piezoelectric material substrate is measured by X-ray reflectivity method and that 1 is assigned to a signal intensity in the case of total reflection. A relative intensity I of a reflected light from the bonding surface is approximated by the following formula (1) in a range of 1.0×10 | 2021-10-21 |
20210328570 | BONDED BODY OF PIEZOELECTRIC MATERIAL SUBSTRATE AND SUPPORTING SUBSTRATE - A bonded body includes a supporting substrate; a piezoelectric material substrate composed of a material selected from the group consisting of lithium niobate, lithium tantalate and lithium niobate-lithium tantalate; and a bonding layer bonding the supporting substrate and piezoelectric material substrate and contacting a main surface of the piezoelectric material substrate. Provided that at least one of a bonding surface of the supporting substrate and a bonding surface of the piezoelectric material substrate is measured by spectral ellipsometry and that Δ is assigned to a difference of phases of p-polarized light and s-polarized light of a reflected light, a difference of the maximum and minimum values of the difference Δ of the phases in a wavelength range of 400 nm to 760 nm is 70° or lower. | 2021-10-21 |
20210328571 | COMPOSITE SUBSTRATE AND METHOD OF MANUFACTURING COMPOSITE SUBSTRATE - A composite substrate with suppressed pyroelectricity increase due to the heat-treatment process is provided. The composite substrate has an oxide single crystal thin film, which is a single crystal thin film of a piezoelectric material, a support substrate, and a diffusion prevention layer that is provided between the oxide single crystal thin film and the support substrate to prevent the diffusion of oxygen. The diffusion prevention layer may have any of silicon oxynitride, silicon nitride, silicon oxide, magnesium oxide, spinel, titanium nitride, tantalum, tantalum nitride, tungsten nitride, aluminum oxide, silicon carbide, tungsten boron nitride, titanium silicon nitride, and tungsten silicon nitride. | 2021-10-21 |
20210328572 | ACOUSTIC WAVE DEVICE - An acoustic wave device includes a piezoelectric substrate and an IDT electrode on the piezoelectric substrate. The IDT electrode includes a first comb-shaped electrode including first electrode fingers and a second comb-shaped electrode including second electrode fingers. The IDT electrode includes a first portion in which a main electrode layer includes a first metal and a second portion in which a main electrode layer includes a second metal. The first electrode fingers and the second comb-shaped electrode include first facing portions facing each other with a gap in between, and the second electrode fingers and the first comb-shaped electrode include second facing portions facing each other with a gap in between. At least one of the first facing portions and second facing portions is the second portion, and a portion of the IDT electrode other than the second portion is the first portion. | 2021-10-21 |
20210328573 | ELECTRO-ACOUSTIC RESONATOR AND METHOD FOR MANUFACTURING THE SAME - Electro-acoustic resonator and method for manufacturing the same An electro-acoustic resonator comprises an acoustic mirror ( | 2021-10-21 |
20210328574 | SMALL TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH ENHANCED Q-FACTOR - An acoustic resonator device includes a conductor pattern formed on a surface of a piezoelectric plate. The conductor pattern includes a first busbar, a second busbar, and n interleaved parallel fingers of an interdigital transducer (IDT), where n is a positive integer. The fingers extend alternately from the first and second busbars. A first finger and an n'th finger are disposed at opposing ends of the IDT. The conductor pattern also includes a first reflector element proximate and parallel to the first finger and a second reflector element proximate and parallel to the n'th finger. When an RF signal is applied between the first and second busbars, the first reflector element is at substantially the same potential as the first finger and the second reflector element is at substantially the same potential as the n'th finger. | 2021-10-21 |
20210328575 | FILM BULK ACOUSTIC RESONATOR FABRICATION METHOD - Methods of fabricating acoustic filters are disclosed. The back of a piezoelectric plate is bonded to a surface of a substrate. The thickness of the piezoelectric plate is measured at a plurality of positions. Excess material is removed from the front surface of the piezoelectric plate in accordance with the thickness measurements to improve the thickness uniformity of the piezoelectric plate. After removing the excess material, a conductor pattern including a plurality of ladder filter circuits is formed on the front surface. Each ladder filter circuit includes at least one shunt resonator and at least one series resonator, each of which has an interdigital transducer (IDT). Cavities are formed in the substrate such that portions of the piezoelectric plate form a plurality of diaphragms spanning respective cavities. After the cavities are formed, interleaved fingers of each IDT are on a respective one of the plurality of diaphragms. | 2021-10-21 |
20210328576 | ACOUSTIC WAVE DEVICE AND COMPOSITE FILTER APPARATUS - An acoustic wave device includes a (111)-oriented silicon substrate, a silicon nitride layer, a silicon oxide layer, a lithium tantalate layer, and an IDT electrode on the lithium tantalate layer. When the wavelength determined by the electrode finger pitch of the IDT electrode is λ, the thickness of the silicon nitride layer, SiN [λ], the thickness of the silicon oxide layer, SiO | 2021-10-21 |
20210328577 | AUDIO RATE CONVERSION SYSTEM AND ELECTRONIC APPARATUS - Disclosed are an audio rate conversion system and an electronic apparatus. The audio rate conversion system includes an integrator-comb filter, a multi-rate filter and a first half-band filter, an input of the integrator-comb filter being accessed with digital audio data, an output of the integrator-comb filter being sequentially connected to the multi-rate filter and the first half-band filter; where, the integrator-comb filter is configured to reduce a rate of the digital audio data according to a preset decimation rate; the multi-rate filter is configured to convert a rate of digital audio data output by the integrator-comb filter into a rate of digital audio data corresponding to an accessed control signal according to the control signal; and the first half-band filter is configured to reduce a rate of digital audio data output by the multi-rate filter. | 2021-10-21 |
20210328578 | PROVIDING A PROGRAMMABLE INDUCTOR TO ENABLE WIDE TUNING RANGE - In one embodiment, a tuning network includes: a controllable capacitance; a first switch coupled between the controllable capacitance and a reference voltage node; a second switch coupled between the controllable capacitance and a third switch; the third switch coupled between the second switch and a second voltage node; a fourth switch coupled between the second voltage node and a first inductor; the first inductor having a first terminal coupled to the fourth switch and a second terminal coupled to at least the second switch; and a second inductor having a first terminal coupled to the second terminal of the first inductor and a second terminal coupled to the controllable capacitance. | 2021-10-21 |
20210328579 | SEMICONDUCTOR DEVICE FOR CONTROLLING VOLTAGE AT AN INPUT NODE OF A CIRCUIT DURING A LOW POWER MODE - A semiconductor device includes a circuit including an input coupled to a first node; and a first signal control circuit configured to determine a voltage of the first node in a low power mode, wherein the first signal control circuit sets a voltage of the first node to a first value in an n-th occurrence of the low power mode and a second value different from the first value in an m-th occurrence of the low power mode, and wherein n and m are two different natural numbers. | 2021-10-21 |
20210328580 | SEMICONDUCTOR INTEGRATED CIRCUIT - Provided is a semiconductor device including a sequential circuit including a first transistor and a capacitor. The first transistor includes a semiconductor layer including indium, zinc, and oxygen to form a channel formation region. A node electrically connected to a source or a drain of the first transistor and a capacitor becomes a floating state when the first transistor turns off, so that a potential of the node can be maintained for a long period. A power-gating control circuit may be provided to control supply of power supply potential to the sequential circuit. The potential of the node still can be maintained while supply of the power supply potential is stopped. | 2021-10-21 |
20210328581 | Voltage level conversion circuit - The present invention discloses a voltage level conversion circuit. A first and a second N-type driving transistors turn on when a first power voltage source supplies a high state voltage. A voltage transmission circuit transmits a first and a second input voltages having opposite levels to sources of the first and the second N-type driving transistors. A current source operates according to a second supply voltage source and has a first and a second output terminals. A first and a second connection transistors respectively couple between the drain of the first N-type driving transistor and the second output terminal and between the drain of the second N-type driving transistor and the first output terminal. The first and the second connection transistors turn on and off when the first voltage supply source supplies the high state voltage and a low state voltage. | 2021-10-21 |
20210328582 | LATCH CIRCUIT, FLIP-FLOP CIRCUIT INCLUDING THE SAME - A master latch circuit, including a first p-type transistor, a first n-type transistor, and a second n-type transistor connected in series; a first node connected to the first p-type transistor and the first n-type transistor, and a NAND circuit configured to receive a signal of the first node and a clock signal and output a result of a NAND operation to a second node, wherein a gate of the first p-type transistor is connected to the second node. | 2021-10-21 |
20210328583 | MONITOR CIRCUIT FOR MONITORING A LIGHTNING PROTECTION COMPONENT - A switching circuit comprising a transistor ( | 2021-10-21 |
20210328584 | DC-COUPLED HIGH-VOLTAGE LEVEL SHIFTER - Systems, methods, and apparatus for use in biasing and driving high voltage semiconductor devices using only low voltage transistors are described. The apparatus and method are adapted to control multiple high voltage semiconductor devices to enable high voltage power control, such as power amplifiers, power management and conversion (e.g. DC/DC) and other applications wherein a first voltage is large compared to the maximum voltage handling of the low voltage control transistors. According to an aspect, timing control of edges of a control signal to the high voltage semiconductor devices is provided by a basic edge delay circuit that includes a transistor, a current source and a capacitor. An inverter can be selectively coupled, via a switch, to an input and/or an output of the basic edge delay circuit to allow for timing control of a rising edge or a falling edge of the control signal. | 2021-10-21 |
20210328585 | Multi-Voltage Input Output Device - A device comprises, a first power source providing a first voltage, a second power source providing a second voltage less than the first voltage, a first bias voltage source providing a first bias voltage between the first voltage and the second voltage, a second bias voltage source providing a second bias voltage between the first voltage and the second voltage, the second bias voltage greater than or equal to the first bias voltage. The device also includes an output, a pull up network coupled in series between the first power source and the output pad including: a first gate coupled to the bias voltage source; and a second gate coupled to a signal that varies between first bias voltage and first power source. The device includes and a pull down network coupled between the output pad and second power source and including: a third gate coupled to the second bias voltage source; and a fourth gate coupled to a signal that varies between the second power source and the second bias voltage source. | 2021-10-21 |
20210328586 | FLOATING SWITCH FOR SIGNAL COMMUTATION - A solid state circuit includes a main and a floating circuit including: a first driver for generating a differential driver signal derived from a driver signal; a modulator configured for modulating a modulator signal with another signal to obtain a differential control signal; the floating circuit comprising: a floating power supply comprising at least one rectifier configured for generating a floating supply voltage (VDDF) and a floating ground voltage (VSSF) from the differential driver signal; a demodulator configured for demodulating the differential control signal and for passing the demodulated signal to an output switch; the output switch comprising a first output node and a second output node and at least one transistor configured for opening or closing an electrical path under control of the demodulated signal. | 2021-10-21 |
20210328587 | DIGITAL OUTPUT DRIVER CIRCUIT AND METHOD - In an embodiment, a digital output driver circuit comprises an output stage having first and second transistors. A drive stage is configured to drive control terminals of the first and second transistors and comprising switching circuitry and current generator circuitry. In a first configuration, the driver circuit is configured to connect a control terminal of the second transistor to the reference node to turn off the second transistor; and connect a first capacitance to the current generator circuitry and to a control terminal of the first transistor to turn on the first transistor. In a second configuration, the driver circuit is configured to turn off the first transistor and connect the control terminal of the second transistor to the current generator circuitry and to the second capacitance to turn on the second transistor. | 2021-10-21 |
20210328588 | DRIVE CIRCUIT AND DRIVE METHOD OF NORMALLY-ON TRANSISTOR - According to one aspect of embodiments, a drive circuit of a normally-ON transistor includes: a normally-OFF transistor that includes a main current path connected in serial to a main current path of the normally-ON transistor; and a buffer circuit that supplies, to a gate of the normally-ON transistor, a control signal for controlling turning ON and OFF of the normally-ON transistor, whose high-voltage side and low-voltage side are biased by a bias voltage supplied from a power source unit. | 2021-10-21 |
20210328589 | PROGRAMMABLE LOGIC DEVICE WITH FINE-GRAINED DISAGGREGATION - A programmable device may have logic circuitry formed in a top die and memory and specialized processing blocks formed in a bottom die, where the top die is stacked directly on top of the bottom die in a face-to-face configuration. The logic circuitry may include logic sectors, logic array blocks, logic elements, and other types of logic regions. The memory blocks may include large banks of multiport memory for storing data. The specialized processing blocks may include multipliers, adders, and other arithmetic components. The logic circuitry may access the memory and specialized processing blocks via an address encoded scheme. Configured in this way, the maximum operating frequency of the programmable device can be optimized such that critical paths will no longer need to traverse any unused memory and specialized processing blocks. | 2021-10-21 |
20210328590 | MEMORY DEVICE PROCESSING - An example apparatus includes a memory device comprising a plurality of banks of memory cells. A particular bank of memory cells among the plurality of banks includes a system processor resident on a particular bank of the plurality of banks. | 2021-10-21 |
20210328591 | SUPERCONDUCTING LOGIC COMPONENTS - The various embodiments described herein include methods, devices, and systems for operating superconducting circuitry. In one aspect, a superconducting component includes: (1) a superconductor having a plurality of alternating narrow and wide portions, each wide portion having a corresponding terminal; and (2) a plurality of heat sources, each heat source thermally coupled to a corresponding narrow portion such that heat from the heat source is transmitted to the corresponding narrow portion; where the plurality of heat sources is electrically isolated from the superconductor. | 2021-10-21 |
20210328592 | CLOCK AND DATA RECOVERY CIRCUIT AND FREQUENCY MAINTAINING METHOD - When digital input data disappear temporarily, within a counting period of the counter and pulse generator, an output voltage of the voltage generator rises, a threshold detector compares the output voltage of the voltage generator with a plurality of threshold values to generate a plurality of comparison results, and a logic gate unit generates a control signal according to the comparison results, to a charge pump, so that the charge pump controls the voltage-controlled oscillator to accelerate or decelerate. | 2021-10-21 |
20210328593 | FILE SYSTEM FORMAT FOR PERSISTENT MEMORY - Techniques are provided for implementing a file system format for persistent memory. A node, comprising persistent memory, receives an operation comprising a file identifier and file system instance information. A list of file system info objects are evaluated to identify a file system info object matching the file system instance information. An inofile, identified by the file system info object as being associated with inodes of files within an instance of the file system targeted by the operation, is traversed to identify an inode matching the file identifier. If the inode comprises an indicator that the file is tiered into the persistent memory, then the inode it utilized to facilitate execution of the operation upon the persistent memory. Otherwise, the operation is routed to a storage file system tier for execution by a storage file system upon storage associated with the node. | 2021-10-21 |
20210328594 | SYSTEMS WITH ADC CIRCUITRY AND ASSOCIATED METHODS - A system may include ADC circuitry. To test the performance of the ADC circuitry, the system may include ADC testing circuitry coupled to the ADC circuitry. In particular, the ADC testing circuitry may include reference voltage generation circuitry configured to generate reference voltages serving as test voltages for the ADC circuitry. The ADC circuitry may be coupled to a test input for receiving the test voltages via switching circuitry and may be coupled to a main data input for receiving system data via the switching circuitry. Testing may occur during an idling time period of the system and when the switching circuitry couples the test input to the ADC circuitry. Test input voltages corresponding to one or more stages in the ADC circuitry may be provided to the ADC circuitry, and corresponding output values from the ADC circuitry may be compared to an expected value and/or expected threshold values. | 2021-10-21 |
20210328595 | CURRENT-BASED TRACK AND HOLD CIRCUIT - A sample-and-hold circuit includes a first input resistor, a first transistor, a first capacitor, a second resistor, and a first current source device. A first current terminal of the first transistor is coupled to the first input resistor. A first terminal of the first capacitor is coupled to the second current terminal of the first transistor at a first output node. A first terminal of the second resistor is coupled to the second terminal of the first transistor at the first output node. The first current source device is coupled the first input resistor and to the first current terminal of the first transistor. | 2021-10-21 |
20210328596 | DIGITAL SLOPE ANALOG TO DIGITAL CONVERTER DEVICE AND SIGNAL CONVERSION METHOD - A digital slope analog to digital converter device includes a capacitor array circuit, a switching circuitry, comparator circuits, encoder circuitries, and a control logic circuit. The capacitor array circuit generates a first signal according to an input signal and switching signals. The switching circuitry generates the switching signals according to an enable signal and a first valid signal in the valid signals. Each of the comparator circuits compares the first signal with a predetermined voltage, in order to generate a corresponding one of the valid signals. Each of the encoder circuitries receives the switching signals according to a corresponding one of the valid signals, in order to generate a corresponding one of sets of first digital codes. The control logic circuit performs a statistics calculation according to the sets of first digital codes, in order to generate a second digital code. | 2021-10-21 |
20210328597 | RECOVERING FROM HARD DECODING ERRORS BY REMAPPING LOG LIKELIHOOD RATIO VALUES READ FROM NAND MEMORY CELLS - Hard errors are determined for an unsuccessful decoding of codeword bits read from NAND memory cells via a read channel and input to a low-density parity check (LDPC) decoder. A bit error rate (BER) for the hard errors is estimated and BER for the read channel is estimated. Hard error regions are found using a single level cell (SLC) reading of the NAND memory cells. A log likelihood ratio (LLR) mapping of the codeword bits input to the LDPC decoder is changed based on the hard error regions, the hard error BER, and/or the read channel BER. | 2021-10-21 |
20210328598 | Correction of Errors in Soft Demodulated Symbols Using a CRC - The system and method described provide correction of modulation symbol errors which may occur during audio pairing of computing devices. The transmission between the computing devices comprises a six modulation symbol (24 bit) token containing transaction information and a two check symbol (8 bit) cyclic redundancy check (“CRC”). Error probabilities of symbols are be used to identify probable symbol error locations and the number of errors contained in the received transmission during the symbol decoding process. If there is a single modulation symbol error, the 16 possible combinations of bit values are cycled through until one combination passes the CRC check. If there are two modulation symbol errors, the 256 possible combinations of bit values are cycled through until two combinations pass the CRC check. | 2021-10-21 |
20210328599 | POLAR CODING METHOD AND APPARATUS - The present disclosure relates to the field of communication technologies, and discloses a polar coding/decoding method and apparatus, to improve sequence lookup efficiency. The method includes: obtaining a first sequence from a polar code construction sequence table based on a coding parameter, where the polar code construction sequence table includes at least one coding parameter and at least one sequence corresponding to the at least one coding parameter, the at least one coding parameter is mapped to the at least one sequence in a one-to-one manner, the first sequence is one of the at least one sequence; selecting serial numbers of K polarized channels from the first sequence based on a rate matching scheme and/or a reliability order; placing to-be-coded bits based on the selected serial numbers of the K polarized channels; and performing polar coding, to obtain a coded bit sequence. | 2021-10-21 |
20210328600 | Method and Apparatus for Wirelessly Communicating over a Noisy Channel with a Variable Codeword Length Polar Code to Improve Transmission Capacity - Systems and methods of communicating using asymmetric polar codes are provided which overcome the codeword length constraints of systems and methods of communicating that use traditional polar codes. Used herein, asymmetric polar codes refers to a polarizing linear block code of any arbitrary length that is constructed by connecting together constituent polar codes of unequal length. Asymmetric polar codes may be known by other names. In comparison to conventional solutions for variable codeword length, asymmetric polar codes may provide more flexibility, improved performance, and/or reduced complexity of decoding, encoding, or code design. The system and method provide a flexible, universal, and well-defined coding scheme and to provide sound bit-error correction performance and low decoding latency (compared with current length-compatible methods which can be used with current hardware designs). For the most part, the provided embodiments can be implemented with nearly all available current encoding/decoding polar code techniques | 2021-10-21 |
20210328601 | ERROR CORRECTION ON A MEMORY DEVICE - Methods, systems, and devices for error correction on a memory device are described. Examples may include a memory die having an array of memory cells including a plurality of banks. The memory die may further include a first error correcting code (ECC) circuit coupled with a first bank of memory cells, where the first ECC circuit is configured to perform operations associated with a first access operation (e.g., write operation) of the first bank of memory cells. The memory die may further include a second ECC circuit coupled with the first bank of memory cells, where the second ECC circuit is configured to perform ECC operations associated with a second access operation (e.g., read operation) of the first bank. In some cases, the first ECC circuit may be located under the footprint of the array and the second ECC circuit may be located outside the footprint of the array. | 2021-10-21 |
20210328602 | ERROR CORRECTING DECODING DEVICE AND ERROR CORRECTING DECODING METHOD - Provided is an error correction decoding device including an inner code iterative decoding circuit, a parameter generation circuit, and a first control circuit. The first control circuit is configured to: receive, as parameters, a threshold and a maximum iteration count which are generated by the parameter generation circuit; and compare, when an iteration count does not reach the maximum iteration count, a non-zero-value count sequentially output from the inner code iterative decoding circuit and the threshold set for each iteration count, and stop an iterative operation by the inner code iterative decoding circuit when a result of the comparison satisfies a stopping condition set in advance. | 2021-10-21 |
20210328603 | EFFICIENT POLAR CODE CONSTRUCTION IN 5G - According to some embodiments, a method for polar encoding includes obtaining an input bits index array Q, wherein each element Q[i] is an index of a polar coded transmission channel and corresponds to an input U[i] of a polar encoder. The elements of Q are ordered according to their associated channel quality. The method further includes obtaining an integer number X of bits for polar encoding and wireless transmission, wherein X is not greater than N. Upon determining the polar code block length N is not greater than the number of rate matched bits M available for transmission, the method includes assigning each of the bits as inputs to the polar encoder ordered according to the input bits index array Q. | 2021-10-21 |
20210328604 | SIGNAL GENERATION APPARATUS AND SIGNAL GENERATION METHOD - According to the present disclosure, there is provided a signal generation apparatus including: a base band module ( | 2021-10-21 |
20210328605 | Apparatus for Improving the Effective Performance of a Power Source and Associated Methods - An apparatus includes a power management circuit to receive an input voltage and to generate and provide a first output voltage to an energy storage device. The power management circuit further generates and provides a second output voltage to a load. The first output voltage is greater than the input voltage, and the second output voltage is smaller than the first output voltage. The apparatus further includes a monitor circuit to monitor the first output voltage and to provide a signal to the load to indicate when the load may perform an operation. | 2021-10-21 |
20210328606 | Multi-Band Radio Frequency Front-End Device, Multi-Band Receiver, and Multi-Band Transmitter - A multi-band radio frequency front-end device, a multi-band receiver, and a multi-band transmitter, the multi-band radio frequency front-end device including a first radio frequency front-end circuit, where the first radio frequency front-end circuit works on a first band, a second radio frequency front-end circuit, where the second radio frequency front-end circuit works on a second band, a first input/output matching network, and a second input/output matching network, where routing of the first input/output matching network and routing of the second input/output matching network on a layout are annular and nested. | 2021-10-21 |
20210328607 | TRANSMITTER WITH SELF-INTERFERENCE CALIBRATION ABILITY AND TRANSMISSION METHOD WITH SELF-INTERFERENCE CALIBRATION ABILITY - The application discloses a transmitter with self-interference calibration ability, including: a signal generation unit for generating a signal; a CORDIC for generating an amplitude modulation signal and a phase modulation signal according to the signal; phase processing unit, for generating a frequency signal according to the phase modulation signal; a DPLL, including: a DCO, self-interference calibration unit, for generating phase compensation according to the signal, a phase difference and a reference clock; and a DCO control generation unit; and an output unit; for generating an output signal according to the amplitude modulation signal and a DCO output signal. | 2021-10-21 |
20210328608 | WIRELESS DEVICES AND SYSTEMS INCLUDING EXAMPLES OF COMPENSATING POWER AMPLIFIER NOISE WITH NEURAL NETWORKS OR RECURRENT NEURAL NETWORKS - Examples described herein include methods, devices, and systems which may compensate input data for nonlinear power amplifier noise to generate compensated input data. In compensating the noise, during an uplink transmission time interval (TTI), a switch path is activated to provide amplified input data to a receiver stage including a recurrent neural network (RNN). The RNN may calculate an error representative of the noise based partly on the input signal to be transmitted and a feedback signal to generate filter coefficient data associated with the power amplifier noise. The feedback signal is provided, after processing through the receiver, to the RNN. During an uplink TTI, the amplified input data may also be transmitted as the RF wireless transmission via an RF antenna. During a downlink TTI, the switch path may be deactivated and the receiver stage may receive an additional RF wireless transmission to be processed in the receiver stage. | 2021-10-21 |
20210328609 | DIGITAL PRE-DISTORTER TRAINING - Certain aspects of the present disclosure provide techniques for training a digital pre-distorter (DPD) using real-time over-the-air transmissions and receptions by a user equipment (UE). A method for training the DPD generally includes transmitting a signal, generated by a transmitter front end, via a first port; sampling the signal, received over the air, at a second port; performing signal processing cleaning (e.g., synchronization, linear over-the-air channel estimation and equalization); calculating coefficients for a DPD; and configuring the DPD with the coefficients, for use in digitally pre-distorting sub sequent transmissions. | 2021-10-21 |
20210328610 | SYSTEMS AND METHODS FOR LINEARIZED-MIXER OUT-OF-BAND INTERFERENCE MITIGATION - A system for linearized-mixer interference mitigation includes first and second linearized frequency downconverters; a sampling analog interference filtering system that, in order to remove interference in the transmit band, filters the sampled BB transmit signal to generate a cleaned BB transmit signal; an analog interference canceller that transforms the cleaned BB transmit signal to a BB interference cancellation signal; and a first signal coupler that combines the BB interference cancellation signal and the BB receive signal in order to remove a first portion of receive-band interference. | 2021-10-21 |
20210328611 | METHOD OF WIRELESS INTERFERENCE MITIGATION WITH EFFICIENT UTILIZATION OF COMPUTATIONAL RESOURCES - A method of mitigating interference in a received wireless signal by adaptive digital filtering efficiently deploys computational resources by using at least one of a DDC, weight generator, and scrubber to perform calculations necessary to generate a plurality of output streams. Embodiments transition a weight generator and scrubber between receiver frequencies according to a known frequency hopping pattern of an FHSS transmission. Other embodiments dedicate scrubbers to receiver frequencies while transitioning a weigh generator between the frequencies to generate sets of weights that can be persistently used by the scrubbers. Embodiments generate sets of weights according to one received multipath signal copy, and then apply the generated weights to filter additional multipath copes received at the same frequency. Various embodiments dedicate a DDC to each receive frequency to form a bank of down-converted outputs, from among which each weigh generator can select primary and reference inputs. | 2021-10-21 |
20210328612 | SIGNAL PROCESSING APPARATUS AND METHOD, AND ACCESS NETWORK DEVICE - Example signal processing methods and apparatus are described. The signal processing apparatus includes a first power amplifier, a second power amplifier, a first filter, a second filter, and a combiner. The first filter filters a second signal obtained by the first power amplifier to obtain a first sub-signal belonging to a first frequency band and a second sub-signal belonging to a second frequency band. The second filter filters a fourth signal obtained by the second power amplifier to obtain n sub-signals including at least a third sub-signal belonging to a third frequency band. The combiner combines the first sub-signal and i sub-signals in the n sub-signals based on a preset condition to obtain a first combined signal. The communication module sends the first combined signal by using a first port, and sends the second sub-signal by using a second port. | 2021-10-21 |
20210328613 | TACTICAL SPEAKER AND KITS INCLUDING THE SAME - An improved tactical, first responder and homeland security speaker is provided. The speaker has an interior or exterior flexible membrane made of silicone or other material and is configured to receive a plurality of radio sources and is operable on both AC and DC power. In a preferred embodiment, the speaker weighs less than one pound, has a maximum volume of greater than 100 Db, is operable on a PRC-148 radio battery as well as a variety of AC sources, including 110/220 V and 12V sources, and is able to receive several standard first responder, homeland security and military radio sources. | 2021-10-21 |
20210328614 | Protective Cellphone Case With Integrated Display Apparatus - A protective cellphone case with integrated display apparatus for protecting a cellphone and adding a rear display includes a case body having a case front side, a case back side, a case left side, a case right side, a case top side, and a case bottom side defining a case inside to secure a cellphone. The case front side has a main screen aperture. A display screen is coupled to an outer face of the case back side. A battery is coupled within the case body and is in operational communication with the display screen. A charging port is coupled to the case body and is in operational communication with the battery. A storage chip is coupled within the case body and is in operational communication with the display screen to show a saved image. | 2021-10-21 |
20210328615 | PROTECTIVE CASE FOR ELECTRONIC DEVICE - A protective case for a mobile electronic device is disclosed herein. The protective case includes a front portion and a back portion that is configured to slide into a side of the front portion to effectuate the sealing and closure of the case. The front portion is configured to cover the front face and sides of the device and includes rails or protrusions on opposing sides of its internal surface. The back portion is configured to cover the back side of the device and includes channels on opposing sides that are configured to be slid along the rails on the opposing sides of the internal surface of the front component and thereby open and close the ease. The protective case is configured to be reversibly attached to a stand module that facilitates multiple viewing/operating positions. | 2021-10-21 |
20210328616 | Wireless device - A wireless multi-band device comprises a radiating system comprising a ground plane layer, a boosting element, and a radiofrequency system, wherein the radiofrequency system comprises a tunable reactive element. | 2021-10-21 |
20210328617 | SERDES WITH PIN SHARING - A transceiver includes a first common T-coil circuit coupled to a first input-output pin of the transceiver, a termination impedance coupled to the first common T-coil circuit and configured to match an impedance of a transmission line coupled to the first common T-coil circuit, an amplifier configured to receive an input signal from the first input-output pin through the first common T-coil circuit based on a receive enable signal, and a first transmission buffer configured to transmit an output signal to the first input-output pin through the first common T-coil circuit based on a transmit enable signal. | 2021-10-21 |
20210328618 | RADIO-FREQUENCY SIGNAL TRANSMITTING AND RECEIVING CIRCUIT - A radio-frequency signal transmitting and receiving circuit includes a power amplifier, a transmission band pass filter configured to transmit a radio-frequency input signal, a first reception band pass filter configured to transmit a first radio-frequency reception signal, a first low-noise amplifier configured to amplify the first radio-frequency reception signal and output a first radio-frequency output signal, a first transmitting and receiving filter having a first end and a second end, the first end being electrically connected to a first antenna terminal, and a switch configured to electrically connect the transmission band pass filter to the second end of the first transmitting and receiving filter to output the radio-frequency input signal to the first antenna terminal and electrically connect the second end of the first transmitting and receiving filter to the first reception band pass filter to receive the first radio-frequency reception signal from the first antenna terminal. | 2021-10-21 |
20210328619 | TRANSMISSION/RECEPTION SEPARATION CIRCUIT, TRANSCEIVER, AND WIRELESS COMMUNICATIONS DEVICE - The present disclosure discloses example transmission/reception separation circuits and transceiver. One example transmission/reception separation circuit includes a transmission amplification circuit, an impedance adjustment circuit, and a reception amplification circuit. An output end of the transmission amplification circuit is connected to the impedance adjustment circuit. The impedance adjustment circuit is further connected to an input end of the reception amplification circuit. The second end of the impedance adjustment circuit and the input end of the reception amplification circuit are further configured to be connected to an antenna. The transmission amplification circuit amplifies a first signal to be transmitted. The reception amplification circuit amplifies a second signal received. When the antenna transmits the amplified first signal, a first impedance is in a high impedance state. The impedance adjustment circuit adjusts a second impedance to a high impedance state when the antenna receives the second signal. | 2021-10-21 |
20210328620 | FAST LOCAL OSCILLATOR TUNING TRANSMITTER - A spread-spectrum transmitter is disclosed. The transmitter includes a modulator configured to produce an intermediate frequency signal, a frequency shifter configured to shift the intermediate frequency factor by a first factor, and a local oscillator (LO) configured to generate a LO signal. The transmitter further includes a ramp signal generator configured to determine the value of the first factor and a second factor, is configured to transmit the value of the factor to the frequency shifter, is configured to transmit the value of the second factor to the LO, where the frequency of the intermediate frequency signal shifted by the first factor is shifted synchronously with the frequency of the LO signal shifted by the second factor. The transmitter includes a mixer configured to mix the shifted intermediate frequency with the shifted LO signal that has been shifted by the second factor, producing a spread leaked LO signal. | 2021-10-21 |
20210328621 | COMPUTING DEVICE FOR PROCESSING ENVIRONMENTAL SENSED CONDITIONS - A passive wireless temperature sensor includes a radio frequency (RF) front end having a variable input impedance. The RF front end includes an antenna operable to receive an RF signal having a particular carrier frequency and a tuning circuit having a resonant frequency corresponding to the particular carrier frequency. The passive wireless temperature sensor further includes one or more temperature sensing elements coupled to the RF front end. When sensing a temperature, the one or more temperature sensing elements cause a change in the variable input impedance. The passive wireless temperature sensor further includes a processing module operably coupled to the RF front end operable to adjust the resonant frequency of the tuning circuit to compensate for the change in the variable input impedance and generate a coded value representative of the change. The coded value representative of the change corresponds to the sensed temperature. | 2021-10-21 |
20210328622 | DEVICE SYSTEM AND METHOD FOR NEW RADIO (NR) COMMUNICATION - The disclosure relates to a communication device, a base station and respective integrated circuits and methods for a communication device and a base station. The communication device comprises a transceiver which, in operation, receives, from a base station, a hopping pattern indicator, a hopping pattern being an order of a plurality of bandwidth parts by which a signal is to be received or transmitted in a plurality of transmission time intervals, TTIs, a bandwidth part being formed by at least one physical resource block. The communication device further comprises circuitry which, in operation, determines a hopping pattern to be applied based on the hopping pattern indicator. The transceiver, in operation, further receives or transmits the signal in the plurality of TTIs according to the determined hopping pattern. | 2021-10-21 |
20210328623 | COMMUNICATION METHOD AND NETWORK SYSTEM - A communication method includes generating at a first node, a message of a predetermined message temporal length that indicates an input value to be encoded and transmitting, at the first node, a signal including a pulse train corresponding to the generated message. The signal including the pulse train includes two pulses that define start and end of the message, respectively, and further two pulses that define within the message, a first time interval calculated from the input value in accordance with a first function and a second time interval calculated from the input value in accordance with a second function, respectively. | 2021-10-21 |
20210328624 | RELAY DEVICE, RELAY METHOD, AND COMPUTER PROGRAM - In a relay device, a communication unit receives a data frame transmitted cyclically through a communication line. A control unit stores, in a temporary storage unit, the data frame received by the communication unit. When the data frame stored in the temporary storage unit is transmitted, the control unit deletes the transmitted data frame from the temporary storage unit. When the control unit determines that, for the data frame received through the communication line, the amount of data relevant to the data frames stored in the temporary storage unit is equal to or greater than a threshold value, the communication unit transmits, through the communication line, a cycle change frame which gives an instruction to change a transmission cycle for transmitting the data frame to a longer cycle. | 2021-10-21 |
20210328625 | NFC DEVICE DETECTION - In accordance with an embodiment, a method includes: transmitting, by a first near-field communication (NFC) device, a field emission burst; comparing a characteristic property of a signal of the field emission burst to a detection threshold; determining a presence of a detection error based on the comparing; and adjusting the detection threshold based on a number of determined detection errors. | 2021-10-21 |
20210328626 | NEAR FIELD, FULL DUPLEX DATA LINK FOR RESONANT INDUCTION WIRELESS CHARGING - A full duplex, low latency, near field data link controls a resonant induction, wireless power transfer system for recharging batteries. In an electric vehicle embodiment, an assembly is aligned with respect to a ground assembly to receive a charging signal. The vehicle assembly includes one or more charging coils and a first full duplex inductively coupled data communication system that communicates with a ground assembly including one or more charging coils and a second full duplex inductively coupled data communications system. The charging coils of the ground assembly and the vehicle assembly are selectively enabled based on geometric positioning of the vehicle assembly relative to the ground assembly for charging. As appropriate, the transmit/receive system of the ground assembly and/or the vehicle assembly are adjusted to be of the same type to enable communication of charging management and control data between the ground assembly and the vehicle assembly during charging. | 2021-10-21 |
20210328627 | MEMORY ARCHITECTURE OF A NEAR-FIELD COMMUNICATION DEVICE - A near-field communication device operates to transmit data by near-field communications techniques to another device. The near-field communication device includes a memory that stores a message to be transmitted in an ASCII format. The message is retrieved from the memory and transmitted using the near-field communications techniques in an ASCII format. | 2021-10-21 |
20210328628 | COMBO ANTENNA MODULE - Presented is a combo antenna module for preventing shadowing of a short-range communication antenna by forming a loop pattern, for short-range communication, in an inner circumferential region of a wireless power transmission antenna. The presented combo antenna module comprises a radiation pattern for wireless power transmission and a radiation pattern for short-range communication, which are disposed on a base substrate, wherein the transverse paths for entry and exit are made different for the radiation pattern for short-range communication so as to form a loop pattern in the inner area of the radiation pattern for wireless power transmission. | 2021-10-21 |
20210328629 | TRANSMISSION APPARATUS, TRANSMISSION TIME FLUCTUATION COMPENSATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING TRANSMISSION TIME FLUCTUATION COMPENSATION PROGRAM - A transmission apparatus ( | 2021-10-21 |
20210328630 | MACHINE LEARNING MODEL SELECTION IN BEAMFORMED COMMUNICATIONS - Methods, systems, and devices for wireless communications are described in which a base station may develop a number of different predictive models for each of a number of different functions. The different functions may be used to determine various beamforming parameters for beamformed communications between a user equipment (UE) and a base station. The base station may provide the models to a UE, and the UE may then use such models to determine values for one or more beamforming parameters. A same function (e.g., a beam prediction function to identify a transmit/receive beam for communications) may have multiple different models, which may be provided to the UE by the base station, which may be used based on particular channel conditions or locations of a UE. The UE or base station may select which model of the multiple predictive models is to be used for communications. | 2021-10-21 |
20210328631 | NEURON CALCULATOR FOR ARTIFICIAL NEURAL NETWORKS - Examples described herein include systems and methods, including wireless devices and systems with neuron calculators that may perform one or more functionalities of a wireless transceiver. The neuron calculator calculates output signals that may be implemented, for example, using accumulation units that sum the multiplicative processing results of ordered sets from ordered neurons with connection weights for each connection between an ordered neuron and outputs of the neuron calculator. The ordered sets may be a combination of some input signals, with the number of signals determined by an order of the neuron. Accordingly, a k | 2021-10-21 |
20210328632 | Precoding Method and Apparatus, and Information Transmission Method and Apparatus - This application discloses a precoding method and apparatus, and an information transmission method and apparatus, and relates to the field of communications technologies, to help improve overall performance of a plurality of data streams corresponding to a same codeword. The precoding method includes: decomposing a channel matrix into a product of a matrix Q, a matrix R, and a matrix PH, where the matrix PH is a conjugate transpose matrix of a matrix P, both the matrix Q and the matrix P are unitary matrices, and the matrix R is an upper triangular matrix; and precoding to-be-sent data based on the matrix P. | 2021-10-21 |
20210328633 | SYSTEMS AND METHODS FOR MITIGATING INTERFERENCE WITHIN ACTIVELY USED SPECTRUM - Systems and methods are described to mitigate interference to out of band receivers using out of band training signals. | 2021-10-21 |
20210328634 | WIRELESS COMMUNICATIONS OVER MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) LAYERS BASED ON BACKHAUL LINK QUALITY - A wireless access node serves a wireless User Equipment (UE) over wireless communication links that use a same time and frequency resource block. In some examples, the wireless communication links comprise Multiple Input Multiple Output (MIMO) layers. In the wireless access node, a baseband unit determines backhaul downlink quality for backhaul downlinks. Based on the backhaul downlink quality, the baseband unit selects a number of the wireless communication links for the wireless UE that will use the same time and frequency resource block. The baseband unit receives user data from the backhaul downlinks and transfers the user data to a radio. The radio wirelessly transfers the user data to the wireless UE over the selected number of the wireless communication links using the same time and frequency resource block. | 2021-10-21 |
20210328635 | TECHNIQUES FOR SWITCHING ORTHOGONAL AND NON-ORTHOGONAL SEQUENCE BASED NONCOHERENT UPLINK CONTROL TRANSMISSIONS - Methods, systems, and devices for wireless communications are described. A transmitter may transmit a payload in transmission to the base station in a wireless communications system. The transmitter may identify a payload to include in the transmission to the base station. The transmitter may determine to transmit the transmission using an orthogonal sequence codebook or a non-orthogonal sequence codebook, based on a size of the payload, a control message from the base station to the transmitter, or a combination of these. The transmitter may then transmit the transmission to the base station based on whether the transmission is to use the orthogonal sequence codebook or the non-orthogonal sequence codebook. The transmission may be a noncoherent transmission. The transmission may be an uplink control information transmission, an uplink data transmission, a downlink control information transmission, or a downlink data transmission. | 2021-10-21 |
20210328636 | Multiple Beam Multiple-Input-Multiple-Output System - Example embodiments are directed towards beam formation matching for communications between a receiver and transmitter in a multiple beam Multiple Input Multiple Output (MIMO) system. | 2021-10-21 |
20210328637 | CODEBOOK PROCESSING METHOD, TERMINAL DEVICE AND NETWORK DEVICE - Disclosed are a codebook processing method, a terminal device, and a network device, the method comprising: determining weighting coefficients for codebook calculation based on a first number and a second number, wherein a value of L representing the first number is half of a number of spatial beams, a value of M representing the second number is a number of discrete fourier transform (DFT) basis vectors, L and M are both integers, and the weighting coefficients comprise amplitude coefficients; performing processing on the weighting coefficients; and transmitting the processed weighting coefficients to a network device through channel state information (CSI). | 2021-10-21 |
20210328638 | Smart Geospatial Antenna - An antenna system provides greater range than conventional omnidirectional antennas while using substantially the same or less power by a system of antenna components, arranged so as to permit in the aggregate transmission over an effective 360 degrees as an omnidirectional antenna, while permitting selection of one of the components so as to reduce the amount of energy required. One application for the invention is use on drones or other lightweight vehicles where weight and power are significant considerations, but where range is also a significant objective. | 2021-10-21 |
20210328639 | BEAM SELECTION FOR ENHANCED PAGE PERFORMANCE - A wireless communication device can selectively perform a beam switch upon performing a power-up operation based on the criticality of the beam switch. The wireless communication device can switch from a previously serving downlink beam to a new downlink beam either during or after a paging time window based on beam measurements obtained for the previously serving downlink beam and the new downlink beam. Other aspects, features, and embodiments are also claimed and described. | 2021-10-21 |
20210328640 | SIMPLIFIED TCAS SURVEILLANCE - A traffic collision avoidance system (TCAS), configured to transmit a wide transmit beam of approximately 180 degrees. The wide transmit beam may be, for example at the interrogation frequency or a transponder response frequency. The TCAS of this disclosure includes a directional antenna system with two signal input ports and two or more antenna elements. In some examples, the direction of the 180 degree beam may be controlled by the phase relationship between the signals input to the two port antenna. In other examples, the direction of the transmit beam from the antenna system is predefined to be in two complementary directions (e.g., forward and aft). | 2021-10-21 |
20210328641 | Beamforming with Multiple Panels in a Radio System - Described are embodiments for uplink transmission using multiple panels. In an embodiment, a wireless device receives configuration parameters indicating a transmission configuration indication (TCI) state index is associated with: a first TCI state, of a first antenna panel, for uplink transmissions; and a second TCI state, of a second antenna panel, for uplink transmissions. The wireless device receives a command indicating the TCI state index and determines, based on the configuration parameters, the first TCI state and the second TCI state associated with the TCI state index indicated in the command. The wireless device transmits, via the first antenna panel, one or more first transport blocks based on the first TCI state. The wireless transmits, via the second antenna panel, one or more second transport blocks based on the second TCI state. | 2021-10-21 |
20210328642 | METHODS, DEVICES AND COMPUTER READABLE MEDIUM FOR COMMUNICATION MEASUREMENT - Embodiments of the disclosure provide a method, device and computer readable medium for new radio management measurement. According to embodiments of the present disclosure, the network device may transmit collocation information of component carriers to the terminal device. The terminal device may perform communication measurements based on the collocation information. In this way, the measurement effort and burden of the terminal device may be reduced while flexibility of the network deployment is stilled maintained. | 2021-10-21 |
20210328643 | SIDELINK APERIODIC CHANNEL STATE INFORMATION REPORTING TRIGGERED BY A BASE STATION - Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive, from a base station, a message that triggers aperiodic channel state information (CSI) reporting for sidelink communications between the UE and another UE, wherein the message indicates a first set of sidelink CSI reference signal (CSI-RS) resources to be used by the UE for CSI-RS transmission; transmit a first set of CSI-RSs in the first set of sidelink CSI-RS resources; receive an indication of one or more modulation and coding schemes (MCSs) for sidelink communications between the UE and the other UE based at least in part on transmitting the first set of CSI-RSs; and communicate with the other UE using an MCS of the one or more MCSs. Numerous other aspects are provided. | 2021-10-21 |
20210328644 | CSI REPORT CONFIGURATION FOR MULTI-TRP TRANSMISSION - Certain aspects of the present disclosure provide techniques for a channel state information (CSI) report configuration for a multiple transmission reception point (TRP) transmission, such as a non-coherent joint transmission (NCJT). A method by a base station (BS) includes providing a user equipment (UE) with a CSI report configuration. The CSI report configuration is associated with one or more CSI reference signal (RS) resources. Each CSI-RS resource comprising a set of ports or port groups. The BS signals the UE to enable the UE to send a CSI report including CSI for more than one CSI-RS resource or for a CSI-RS resource comprising more than one port group and receives a CSI report from the UE. | 2021-10-21 |
20210328645 | METHODS AND ARRANGEMENTS FOR CSI REPORTING - Some embodiments provide a method in a wireless device for reporting channel state information, CSI, for a CSI process. The CSI process corresponds to a reference signal resource and an interference measurement resource. According to the method, the wireless device obtains an adjustment value associated with the CSI process. The wireless device estimates an effective channel based on one or more reference signals received in the reference signal resource, and applies the adjustment value to the estimated effective channel, thereby obtaining an adjusted effective channel. Furthermore, the wireless device determines channel state information based on the adjusted effective channel, and on interference estimated based on the interference measurement resource. Finally, the channel state information is transmitted to a network node. | 2021-10-21 |
20210328646 | METHOD, APPARATUS FOR CHANNEL STATE INFORMATION FEEDBACK AND STORAGE MEDIUM - A method and apparatus for channel state information feedback and a storage medium are provided according to the present disclosure. The method includes: performing by a terminal channel measurement according to a reference signal; selecting M subbands from K subbands of a CSI reporting band, and reporting to a base station the M subbands' Relative Power Indicator (RPI) and Phase Indicator (PI) of a weighted coefficient associated with a precoding codebook index, where M and K are integers greater than or equal to 1, M2021-10-21 | |
20210328647 | LOCATION SENSING METHOD AND APPARATUS, AND POSITIONING METHOD AND APPARATUS - A device location sensing method obtains locations of N devices in a wireless network based on channel state information (CSI). Each device in the wireless network has M antennas arranged in a non-linear manner. To determine the device locations, CSI data mutually detected between every two devices in N devices is obtained and used to calculate an angle difference of arrival (ADoA) set which includes, for every two devices in the N devices relative to each of the other devices in the N devices, an ADoA that is a difference between angles of arrival (AoAs) of the two devices relative to the other device. Relative locations of the N devices are then calculated based on the ADoA set. | 2021-10-21 |
20210328648 | SIGNALING FOR MU INTERFERENCE MEASUREMENT WITH NZP CSI-RS - Systems and methods are disclosed herein for determining Non-Zero Power (NZP) Channel State Information Reference Signal (CSI-RS) resources to be used for channel and interference measurement. In some embodiments, a method performed by a wireless device comprises receiving, from a network node, a semi-static indication of one or more first sets of NZP CSI-RS resources for channel measurement and a semi-static indication of one or more second sets of NZP CSI-RS resources for interference measurement. The method further comprises receiving, from the network node, one or more dynamic indications that indicate a first set of NZP CSI-RS resources from the one or more first sets of NZP CSI-RS resources to be used by the wireless device for channel measurement and a second set of NZP CSI-RS resources from the one or more second sets of NZP CSI-RS resources to be used by the wireless device for interference measurement. | 2021-10-21 |
20210328649 | RECEIVING DEVICE AND TRANSMISSION DEVICE FOR WIRELESS COMMUNICATION - A receiving device for use in a wireless OFDM communication system comprises two or more receive antennas for receiving OFDM signals received over a channel from a transmission device having two or more transmit antennas and applying transmit beamforming, and circuitry configured to perform channel estimation to estimate the channel, generate transmit beamforming information based on the channel estimation, said transmit beamforming information comprising beamforming information per subcarrier or time domain tap, determine a reduced set of transmit beamforming information from said transmit beamforming information, wherein said reduced set comprises beamforming information for a reduced set of subcarriers in the frequency domain or for a reduced set of taps in the time domain, wherein the subcarriers of said reduced set or the taps of said reduced set are determined based on an error criterion, and feed back the reduced set of transmit beamforming information to the transmission device. | 2021-10-21 |
20210328650 | COMMUNICATIONS DEVICE, INFRASTRUCTURE EQUIPMENT AND METHODS - A communications device for use in a wireless communications network providing a wireless access interface within a system bandwidth, the system bandwidth comprising a plurality of bandwidth parts, the communications device comprising a transmitter configured to transmit signals using a plurality of activated bandwidth parts, a receiver configured to receive signals using the plurality of activated bandwidth parts, the received signals being signals transmitted using a plurality of activated beams, and a controller configured to control the transmitter and the receiver so that the communications device is operable: to determine that an activated beam associated with a first bandwidth part satisfies beam failure criteria; to select from the plurality of activated bandwidth parts a second bandwidth part; and to transmit using communications resources associated with the selected second bandwidth part a beam failure indication indicating that the activated beam associated with the first bandwidth part satisfies the beam failure criteria. | 2021-10-21 |
20210328651 | METHOD AND APPARATUS FOR HANDLING BEAM FAILURE RECOVERY REGARDING MEDIUM ACCESS CONTROL RESET IN A WIRELESS COMMUNICATION SYSTEM - A method and device are disclosed from the perspective of a User Equipment (UE). In one embodiment, the method includes the UE triggering a Beam Failure Recovery (BFR) associated with a cell. The method also includes the UE triggering a Scheduling Request (SR) for Secondary Cell (SCell) beam failure recovery in response to the triggered BFR. The method further includes the UE cancelling the triggered BFR and the triggered SR in response to reset of a Medium Access Control (MAC) entity associated with the cell. | 2021-10-21 |
20210328652 | Information Transmission Method, Network Device, Terminal Device, and Storage Medium - An information transmission method comprising configuring, by a network device, first beam sequence information, where the first beam sequence information indicates a plurality of pieces of first identification information, and where each of the plurality of pieces of first identification information indicates one beam that carries a transmission signal, sending, by the network device, the first beam sequence information to a terminal device, and performing, by the network device, signal transmission with the terminal device using the beams indicated by the plurality of pieces of first identification information. | 2021-10-21 |
20210328653 | SYSTEMS AND METHODS FOR UPDATING BEAMFORMING CODEBOOKS FOR ANGLE-OF-ARRIVAL ESTIMATION USING COMPRESSIVE SENSING IN WIRELESS COMMUNICATIONS - A wireless communication device includes: a processing circuit configured to: receive, from an antenna array during a previous period, a first directional electromagnetic signal including beam sweeping reference symbols of a previous beam sweeping period; compute an estimated combined channel; estimate a dominant angle-of-arrival (AoA) of the first directional electromagnetic signal based on the estimated combined channel and a previous beamforming codebook including two or more beamforming vectors corresponding to different AoAs; construct an updated beamforming codebook based on the estimated dominant AoA and one or more remaining AoAs spaced apart from the estimated dominant AoA; receive, at the antenna array during a current period, a second directional electromagnetic signal including data symbols; determine a beamforming vector for data reception of the second directional electromagnetic signal based on the updated beamforming codebook; and detect the data symbols in the second directional electromagnetic signal based on the determined beamforming vector. | 2021-10-21 |
20210328654 | CONTROL APPARATUS, RADIO COMMUNICATION METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM - A control apparatus includes a determination unit configured to determine first and second reception weight matrixes by using first and second channel matrixes between first and second radio apparatuses and the first and second terminals, a first calculation unit configured to calculate a data channel matrix of a data signal transmitted from the first radio apparatus to the first terminal by using the first channel matrix and the first reception weight matrix, a second calculation unit configured to calculate an interference channel matrix of interference to the second terminal caused by the first radio apparatus by using a third channel matrix between the first radio apparatus and the second terminal and the second reception weight matrix, and a third calculation unit configured to calculate a transmission weight matrix for transmitting a data signal so that the interference is suppressed by using the data channel matrix and the interference channel matrix. | 2021-10-21 |
20210328655 | PORTABLE SHORTWAVE TRANSCEIVER HOTSPOT - A transceiver includes a computing device having shortwave TCP/IP and hotspot capabilities enabling the computing device to communicate via shortwaves with a base station connected to the Internet and to connect to user devices. An user device can use the computing device to communicate over the Internet via shortwaves on an existing Ham Radio Network. A system for establishing communications between an user device and the Internet includes a shortwave base station have TCP/IP capabilities and connected to the Internet. The system also includes an user device and a computing device having shortwave TCP/IP and hotspot capabilities enabling the computing device to communicate via shortwaves with the base station and to connect to the user device. The user device can use the computing device to communicate over the Internet via shortwaves on an existing Ham Radio Network. | 2021-10-21 |
20210328656 | APPARATUS AND METHODS FOR RADIO FREQUENCY SIGNAL BOOSTERS - Provided herein are apparatus and methods for radio frequency signal boosters for cellular and broadcast television signals with Wi-Fi signals transmission function. Cell phone, Wi-Fi, and broadcast television signals are boosted and retransmitted over a shared antenna or over more than one antenna. In certain implementations, a multi-band signal booster is configured to provide signal path gain to at least three signal paths: a first signal path configured to receive a first time division duplexed Wi-Fi signal, a second signal path configured to receive a first frequency division duplexed mobile or cellular signal, and a second signal path configured to receive a broadcast television signal. | 2021-10-21 |
20210328657 | Passive Collection of Air-to-Ground Network Parameters for Network Planning and Control - A network analytics control module may include processing circuitry configured to receive three dimensional location information and corresponding signal quality information for a particular asset in an air-to-ground (ATG) network, make a service quality inference for the particular asset based at least in part on the received information, and provide an instruction for a network control activity based on the service quality inference. | 2021-10-21 |
20210328658 | COMMUNICATION SYSTEM AND COMMUNICATION METHOD - A communication system including a mobile station that communicates with a wireless station and moves toward a predetermined destination, and a relay station that relays communication between the mobile station and the wireless station, includes: the mobile station that pauses movement when sensing an obstacle present on a first moving route toward the destination in a case of moving along the first moving route, and moves along a second moving route headed to the destination while avoiding the obstacle when establishing communication between the mobile station and the wireless station via the relay station in a case where the movement is paused; and the relay station that moves so as to keep a position where communication between the mobile station and the wireless station can be relayed according to movement of the mobile station when the mobile station moves along the second moving route. | 2021-10-21 |
20210328659 | DATA BROADCAST METHOD AND APPARATUS - A data broadcast method includes obtaining, by a satellite base station, a plurality of pieces of data that are to be broadcast. The plurality of pieces of data are a same type of data including compensation values of Doppler frequency shifts, change rates of Doppler frequency shifts, transmission delays, change rates of transmission delays, timing advances TAs, change rates of TAs, or angles of a plurality of beams that respectively correspond to a plurality of beams generated by the satellite base station. The satellite base station determines reference data and a difference between each piece of data in the plurality of pieces of data and the reference data. The satellite base station sends first indication information and a plurality of pieces of second indication information to a terminal device. The first indication information indicates the reference data. | 2021-10-21 |
20210328660 | SYSTEM AND METHOD FOR SATELLITE CONSTELLATION MANAGEMENT AND SCHEDULING - A method includes receiving request information obtained from an external user. The request information is associated with a task to be completed by at least one satellite asset among a plurality of satellite assets, where the satellite assets are grouped into a plurality of constellations and each of the constellations is associated with a corresponding scheduler among a plurality of schedulers. The method also includes assigning the task to a queue. The method further includes determining at least one specified scheduler to schedule the task at the at least one satellite asset. In addition, the method includes sending instructions to the at least one specified scheduler for performing the task by the at least one satellite asset. | 2021-10-21 |
20210328661 | FREQUENCY SYNCHRONIZATION FOR NON-TERRESTRIAL CELLULAR WIRELESS COMMUNICATION NETWORKS - The invention provides a method and an architecture for deploying non-terrestrial cellular network base stations, so as to enable cellular network coverage in remote areas, where no fixed infrastructure is available. The proposed methods allow for efficient power management at the terminal devices that need to synchronize to the airborne or spaceborne cellular base stations. This is particularly important for IoT devices, which have inherently limited power are computing resources. | 2021-10-21 |