236 results about "Reference cell" patented technology

This application provides a communication method and a communication apparatus. The method includes: A terminal device determines a reference cell and at least one other cell in a first time unit, where the reference cell and the at least one other cell are activated serving cells configured with transmission directions in the first time unit; and the transmission direction of the reference cell in the first time unit collides with a transmission direction of a first other cell in the first time unit, at least one of the reference cell and the first other cell is a subband full duplex cell, the subband full duplex cell includes a first subband and a second subband, and the first other cell is any other cell. The terminal device determines the transmission direction of the at least one of the reference cell and the first other cell in the first time unit based on the first subband. According to the foregoing technical solutions, this application can resolve inconsistent transmission directions of different component carriers when cells corresponding to the component carriers include a subband full duplex cell.

The invention provides a QLC NAND interference compensation control method and system, and the method comprises the steps: collecting adjacent unit voltage offset data of a target storage unit through an on-chip reference unit array integrated on a QLC NAND flash memory chip; performing feature extraction on the data to obtain interference feature parameters including at least one of voltage drift amplitude, drift rate and drift fluctuation frequency, and inputting the interference feature parameters into a pre-trained lightweight decision tree model to output an interference trend prediction result, a programming parameter optimization strategy is generated based on the result, the pulse width and the step voltage increment are optimized, meanwhile, fine adjustment of model parameters is triggered by collecting programming verification data after each time of optimization, dynamic accurate compensation of memory cell interference under the high write-in load of the QLC NAND flash memory is achieved, programming voltage drift is effectively restrained, and the reliability of the QLC NAND flash memory is improved. The adaptive capacity of the writing algorithm is improved, and the overall service life of the flash memory is prolonged.

Techniques and apparatus for determining dynamic current mismatches in a current-steering digital-to-analog converter (DAC) are provided. One example technique generally includes accumulating current mismatches between a DAC cell of a plurality of DAC cells and a reference cell using a capacitive element and changing a polarity of the capacitive element during the accumulating. The timing of the accumulating may be controlled such that a static current mismatch between the DAC cell and the reference cell is at least reduced and a dynamic current mismatch between the DAC cell and the reference cell is enhanced.

This application provides a communication apparatus and a communication apparatus. The apparatus includes: A terminal device determines a reference cell and at least one other cell in a first time unit, where the reference cell and the at least one other cell are activated serving cells configured with transmission directions in the first time unit; and the transmission direction of the reference cell in the first time unit collides with a transmission direction of a first other cell in the first time unit, at least one of the reference cell and the first other cell is a subband full duplex cell, the subband full duplex cell includes a first subband and a second subband, and the first other cell is any other cell.

The invention discloses a method for detecting the concentration of vanadium ions in an electrolyte of an all-vanadium redox flow battery, and relates to the technical field of batteries. The method for detecting the concentration of vanadium ions in the electrolyte of the all-vanadium redox flow battery comprises the following steps: preparing trivalent and tetravalent vanadium ion reference solutions and trivalent and tetravalent vanadium ion standard solutions with different concentrations; performing baseline correction by using a high-concentration reference solution, setting an absorbance difference value between a corresponding reference cell and a sample cell as 0, and obtaining a trivalent vanadium ion standard curve and a tetravalent vanadium ion standard curve by using standard solutions with different concentration gradients; and detecting the absorbance difference value of the electrolyte stock solution to be detected, and substituting the absorbance difference value into the corresponding standard curve to calculate the vanadium ion concentration. According to the present invention, the detection can be performed without diluting the electrolyte stock solution during the detection, the interference of the adjacent valence vanadium ions is not easily generated, and the detection result is accurate.

The present invention discloses a radar CFAR target detection method based on the prefix sum algorithm. The method performs Fourier transform and square-law detection on the radar echo signal to obtain the range-Doppler matrix A, and performs constant false alarm rate (CFAR) processing on the range-Doppler matrix A to determine whether a target exists. When performing CFAR detection, a rectangular reference sliding window is used. First, the prefix sum algorithm is used to obtain the prefix sum matrix SUM of the range-Doppler matrix A, and then the average value of the data of the surrounding reference cells of the cell a to be measured is calculated through the prefix sum matrix. The average value is multiplied by a coefficient to obtain an estimated value of the background clutter, and the estimated value is compared with the cell to be detected to determine whether the cell to be detected is a target. The method of the present invention ensures the accuracy of detection while reducing the complexity of the algorithm, reducing the computational amount of the original CFAR detection, and improving the detection efficiency. i,j The method of the present invention ensures the accuracy of detection while reducing the complexity of the algorithm, reducing the computational amount of the original CFAR detection, and improving the detection efficiency.

The invention relates to the technical field of hydrogen detection, in particular to a hydrogen detection and measured value correction method based on a hydrogen sensor, and the method comprises the following steps: analyzing the change trend of voltage data in an active unit at each moment and in a preset duration before the moment, and the correlation of the voltage data between the active unit and a reference unit; determining hydrogen purity responsivity; the hydrogen compensation confidence coefficient is determined by analyzing the change trend of the hydrogen purity responsivity at each moment and all moments in a previous preset time period and the average distribution and dispersion degree of the hydrogen purity responsivity, so that the hydrogen concentration at each moment is corrected. According to the invention, the influence of cross interference of other combustible gases except hydrogen and baseline drift of the hydrogen sensor on hydrogen detection and concentration measurement is solved, and the long-term stability of hydrogen concentration monitoring and the accuracy and reliability of a measurement result are improved.

Disclosed are methods, systems, and computer-readable medium to perform operations including: receiving, by a user equipment (UE) from a serving cell serving the UE, a message comprising: (i) synchronization signal block (SSB) information associated with a target SSB burst of a target cell, and (ii) a flag indicating that the UE is allowed to use timing of a reference cell to derive an index of the target SSB burst, wherein the target SSB burst comprises one or more SSBs; calculating a tolerance of a frame boundary alignment between the reference cell and the target cell; and determining, based on the tolerance, an index of the target SSB burst.

A method performed by a WTRU may comprise: receiving first configuration information, including multi-cell duplexing configuration information, wherein the multi-cell duplexing configuration information indicates a first reference cell and a linked cell, wherein the first reference cell is included in a set of one or more reference cells; receiving, from a network, second configuration information comprising an inter-cell frequency gap threshold and information associated with the set of one or more reference cells; on a condition that a frequency gap between the reference cell and the linked cell is less than the inter-cell frequency gap threshold, determining, based on the received second configuration information, a SBFD configuration for the linked cell; and applying, to the linked cell, the determined SBFD configuration.

The invention provides a multi-cell search method of a synchronization system, which can be applied to the technical field of cell search. The multi-cell searching method comprises the following steps: searching candidate cells by utilizing a synchronous searching mode; wherein the number of the candidate cells is not less than 1; determining a reference cell based on the credibility of the candidate cell; determining the wireless frame timing of the candidate cell according to the candidate primary synchronization signal position and the wireless frame position of the candidate cell; based on the frame timing deviation between the wireless frame timing of the candidate cells and the wireless frame timing of the reference cell, screening false detection cells in the candidate cells in the maximum coverage range; and removing false detection cells from the candidate cells to obtain a cell search result. Therefore, according to the multi-cell search method disclosed by the invention, the false detection condition of the cell search is reduced, and the accuracy of the cell search is improved. The invention further provides a multi-cell searching device and equipment of the synchronization system.

Techniques and apparatus for determining dynamic current mismatches in a current-steering digital-to-analog converter (DAC) are provided. One example technique generally includes accumulating current mismatches between a DAC cell of a plurality of DAC cells and a reference cell using a capacitive element and changing a polarity of the capacitive element during the accumulating. The timing of the accumulating may be controlled such that a static current mismatch between the DAC cell and the reference cell is at least reduced and a dynamic current mismatch between the DAC cell and the reference cell is enhanced.

A dynamic random access memory (DRAM) array has a first portion configured as a data array and a second portion configured as a reference array. The DRAM array includes read bit lines which include a first plurality of read bit lines in the data array and a second plurality of read bit lines in the reference array. Read circuitry includes a plurality of sensing circuits, each sensing circuit coupled to a corresponding read bit line of the first plurality of read bit lines and configured to receive a first reference voltage generated by a first read bit line of the second plurality of read bit lines and a second reference voltage generated by a second read bit line of the second plurality of bit lines. The plurality of sensing circuits is configured to provide a corresponding bit of an output read value.

The invention discloses a method and an apparatus in a node used for multi-carrier scheduling of wireless communication. A node receives first DCI (Downlink Control Information) in a first time slot, and the first DCI schedules K1 cells; the first DCI indicates a first minimum applicable scheduling offset, and the minimum value of the scheduling delay between a physical channel in at least one of the K1 cells and the scheduling DCI of the physical channel depends on the first minimum applicable scheduling offset; the first minimum applicable scheduling offset is applicable from a second time slot; the second time slot depends on the first time slot and a first offset value; the first offset value depends on a subcarrier interval corresponding to a reference cell and a subcarrier interval corresponding to a cell to which the first DCI belongs; the reference cell is one of a first cell set; the first cell set comprises the K1 cells. According to the invention, uplink and downlink transmission configuration under multi-carrier scheduling is enhanced, and the performance is improved.

A thermal management method of a battery wherein the battery comprises at least one cell, and wherein a heating device is configured to heat the battery in response to a heating instruction. The method comprises the following steps: determining the charge state of the battery cell and the battery cell current of the battery cell; a first value of a first parameter of the heating device; a reference cell temperature of the cell; the maximum battery cell temperature and the minimum battery cell temperature of the battery cell are obtained. Under the condition that the maximum battery cell temperature is lower than a first threshold temperature; the minimum cell temperature of the cell is lower than a second threshold temperature; the charge state of the battery cell is higher than a charge state threshold value; the method also includes instructing a heating device to heat the electrical core.

Discussed is a system for managing a state of a battery, the system including: a user terminal to set location information about a location at which the battery is stored and output the set location information; a battery information obtaining device connected to the battery and to obtain battery information including at least one of voltage, SOC, and SOH of the battery and output the obtained battery information; and a performance detecting device connected to the user terminal to receive the set location information, connected to the battery information obtaining device to receive the obtained battery information, and to determine a target location at which the battery is stored, obtain environment information of the determined target location, set reference state information of at least one reference cell stored around the determined target location, and detect performance of the battery.

A system and method for predicting a remaining useful life of a cell of a battery are described. The system includes circuitry configured to provide a stimulus signal to the cell; a processor; a tangible, non-transitory computer-readable medium storing instructions that, when executed by the processor, cause the processor to: cycle a plurality of target cells for a test set of cycles; determine a set of characteristics from data of reference cells; determine parameters of a computational model of the remaining useful life of the cell; apply a computational model using the determined set of characteristic values; and provide a prediction of the remaining useful life of target cells.

This application discloses a method for determining a synchronization reference cell, and pertains to the field of communication technologies. The method for determining a synchronization reference cell in embodiments of this application includes: determining, by a terminal, a synchronization reference cell of a first cell from a cell set based on configuration information of at least one cell in the cell set. The configuration information is used to assist the terminal in determining the synchronization reference cell of the first cell from the cell set, and the cell set includes the first cell.

Calibration methods for lidar equipment are disclosed. In some embodiments, the lidar equipment is provided with an internal gas reference cell with a known concentration of the gas of interest, such as methane (CH4), which provides known absorptions at wavelengths particular to the gas. The lidar system laser beam passes through the gas reference cell before scanning a scene, and provides a known level of gas absorption at those known absorption wavelengths. This guarantees there is a minimum signal to be detected by the lidar system. In some embodiments, the lidar equipment is provided with an external calibration unit having one or more gas sample cells with predetermined lengths and known concentrations of the gas of interest. By making lidar measurements using an arrangement of these calibrated cells, adjustments to the parameters used in the algorithms relating detected photon counts with gas concentration may be made.

Various aspects of the present disclosure relate to carrier phase measurement using reference frequency and reference time. An apparatus, such as a user equipment (UE), receives signaling comprising one or more reference symbols of one or more transmission-reception points (TRPs). The UE transmits signaling comprising a carrier phase measurement generated based at least in part on a carrier phase of the one or more reference symbols relative to a carrier phase of a reference cell of the UE at a reference frequency and a reference time within a measurement time window.

A memory device is provided. The memory device includes a nonvolatile memory including a memory cell array, and a controller configured to control the nonvolatile memory. The memory cell array includes: a memory cell including a first magnetic tunnel junction element, an OTP (One-Time-Programmable) cell including a second magnetic tunnel junction element, and a reference cell connected to a first reference resistor for reading data for the memory cell or a second reference resistor for reading data from the OTP cell, wherein the controller is configured to set the second reference resistance, based on a first edge resistance value detected from a resistance distribution of OTP cells comprising the OTP cell or based on the first reference resistance.

A storage array, a memory, a reading method thereof, and an electronic device are disclosed. The storage array includes multiple storage cell subarrays, a reference cell column, and a set of reference voltage generation circuits, reference cell switching circuits, and read word line control circuits. The storage cell subarrays and reference cell column in two storage arrays are electrically connected via read bit lines and symmetrically distributed around a read decision unit. The transistors of the reference cells and storage cells are isomorphic and have the same circuit structure. The memory includes at least one pair of open storage arrays, each pair comprising a first storage array, a second storage array, and a set of read decision units. Each storage array is electrically connected to one of the two input terminals of the read decision unit. During reading, the two storage arrays provide a read voltage and a reference voltage, respectively. The two input terminals of the read decision unit have similar RC parameters, and the drift generated by the voltages at the two input terminals is also matched. This application improves storage density and data reading reliability.

The present invention belongs to the technical field of maritime target detection, and particularly relates to a two-dimensional constant false alarm target detection method and detector based on dual-observation-channel data. The method includes: obtaining the echo time series transmitted on each observation channel and received on each range cell; the observation channels include two observation channels of the cell to be detected and two observation channels of the reference cell; respectively performing square-law detection on the received echo time series to obtain detection statistics; calculating the estimated values of the clutter power levels of the two observation channels respectively based on the samples after square-law detection of the echo data of the reference cell; calculating the normalization factor according to the preset false alarm probability; and performing target detection according to the detection statistics, the estimated values of the clutter power levels, and the normalization factor, in combination with the two-dimensional constant false alarm adaptive decision criterion. It reduces the missed detection or misjudgment caused by the limitation of single-channel information, and improves the accuracy of judging the presence or absence of a target.

The application relates to the technical field of a vanadium redox flow battery, in particular to a circular structure reference battery for monitoring electrode potential, which comprises an electrochemical unit and two circular units. The electrochemical unit comprises a proton exchange membrane and electrode assemblies symmetrically arranged on two sides of the proton exchange membrane; the two circular units are symmetrically arranged on the two sides of the proton exchange membrane, a closed electrode cavity is formed between the circular unit and the proton exchange membrane, the electrode assemblies are arranged in the electrode cavity, a plurality of liquid inlet hole groups uniformly distributed in the circumferential direction are arranged on the circular unit, the plurality of liquid inlet hole groups are communicated with the circumferential edge of the electrode cavity; a liquid outlet assembly is arranged on the circular unit, the liquid outlet assembly is communicated with the central area of the electrode cavity, one end of the liquid outlet assembly extends out of the circular unit, electrolyte enters from the circumferential edge area of the electrode cavity through the plurality of liquid inlet hole groups, flows radially to the central area of the electrode cavity, and then flows out from the liquid outlet assembly. The application has the effects of providing a uniform flow field and ensuring stable and reliable signals.

Systems and methods for predicting the epidemic rate of loss of heterozygosity (LOH) in a target cell population, where the system includes a memory and a processor configured to receive genetic data of a first reference cell population. The processor is configured to sequence the genetic data of the first reference cell population to obtain first reference data; identifying and removing heterozygous variant positions with unbalanced allele expression in the first reference data to generate second reference data; mapping an identifier of each cell of the target cell population to the second reference data; and applying the mapping identifier for each cell of the target cell population to a supervised machine learning model. The processor is further configured to receive one or more outputs from the model, at least one of the one or more outputs comprising an LOH of the target cell population.

The present disclosure provides a memory device, comprising: a sensing unit, a memory cell electrically connected to a first input terminal of the sensing unit, and a reference cell electrically connected to a second input terminal of the sensing unit, wherein the reference cell comprises a reference resistor, and a temperature coefficient of a resistive material of the reference resistor is less than -1000 ppm / °C. According to the present disclosure, a resistance value of the reference cell decreases as a resistance value of the memory cell decreases, which serves the function of adjusting a voltage and current of a read operation, so as to maintain a read window of the memory device within an appropriate range, thereby preventing the problem of a limited read window due to the resistance value of the memory cell decreasing as the temperature increases, achieving an optimal read window, solving the problem in the prior art where the reference resistance of the memory device affects the read window, and further improving the read accuracy of stored information.

A battery status management system, according to an embodiment of the present invention, comprises: a user terminal configured to establish position information about the position in which a battery is stored and to output the established position information; a battery information acquisition device configured to connect to the battery, acquire battery information that includes at least one of the following values: battery voltage, SOC and SOH, and output the acquired battery information;and a performance detection device configured to connect to the user terminal to receive the established position information and connected to the battery information acquisition device to receive battery information, determine, based on the received position information, a target position where the battery is stored, acquire environmental information about the determined target position, establish baseline state information about one or more reference cells stored around the determined target position, and detect battery performance based on at least one of the following values: the received battery information, the acquired environmental information, and the established baseline state information.

The invention provides a multi-target path planning method and a related device, and belongs to the technical field of path planning. The method comprises the following steps: in a reference cell space, carrying out integral operation on a central point of the reference cell space to obtain an image point of the central point of each reference cell; in the real cell space, performing interpolation calculation on the image point of the central point of each reference cell obtained by the reference cells around each real cell in the real cell space in the reference cell space to obtain a final cell mapping relation; based on the final cell mapping relation, solving the multi-target path planning model to obtain an optimal solution set; and performing path planning on multiple targets according to the obtained optimal solution set to obtain a multi-target path planning result. According to the method, the problems of low accuracy and calculation efficiency of multi-target path planning are solved.

Capacitance-to-digital converters, methods, and systems are provided. Apparatuses and methods of capacitance-to-digital code conversion are described. An apparatus includes a bridge circuit and a modulator front-end circuit. The bridge circuit includes a first terminal coupled to a reference cell and a second terminal coupled to a sensor cell. The modulator front-end circuit includes a comparator coupled to the bridge circuit, a first modulation capacitor coupled to a first input of the comparator, and a second modulation capacitor coupled to a second input of the comparator. The modulator front-end circuit provides a digital bit stream. A duty cycle of the digital bit stream is representative of a ratio between a capacitance of the sensor cell and a reference capacitance of the reference cell.

The present disclosure describes methods, system, and devices for handling direction collision in carrier aggregation (CA). One method includes determining, by a user equipment (UE), a cell type of a cell in multiple serving cells in carrier aggregation; in response to the cell type of the cell being configured as a specific cell type, determining, by the UE, a reference cell in the multiple serving cells; and, in response to a direction collision happening on the multiple serving cells, performing, by the UE, a direction collision handling in the multiple serving cells according to a link direction of the reference cell.

A control method for a non-volatile memory is provided. After the non-volatile memory is enabled, a judging step is performed to judge whether the non-volatile memory enters a read mode, a program mode or an erase mode. If the judging result indicates that the non-volatile memory enters the read mode, the program mode or the erase mode, a worst threshold voltage of plural reference cells of the non-volatile memory is searched. Then, at least one of a control voltage for read action, a control voltage for program verify and a control voltage for erase verify is determined. Then, a read action, a program action or an erase action is performed on plural data cells of the non-volatile memory.