34 results about "Digital front end" patented technology

A system may include a digital front end (DFE). The DFE may be configured to generate a command signal. The system may also include a sweeper. The sweeper may be configured to generate an intermediate in-phase signal, an intermediate quadrature signal, and a LO signal based on the command signal. In addition, the system may include a mixer. The mixer may be configured to generate a mixed in-phase signal based on the intermediate in-phase signal and the LO signal. The mixer may also be configured to generate a mixed quadrature signal based on the intermediate quadrature signal and the LO signal. Further, the system may include an amplifier. The amplifier may be configured to generate an in-phase signal based on the mixed in-phase signal and an amplification setting. The amplifier may also be configured to generate a quadrature signal based on the mixed quadrature signal and the amplification setting.

A printing system includes a printing device having a digital front end (DFE). The DFE includes printing device configuration settings. The DFE determines an output parameter applicable to the printing device. The DFE stores an output setting related to the output parameter in a device capabilities file. The output parameter includes a capability and a constraint. A print job is assigned to the printing device to use the capability. A conflicts engine evaluates a job setting for the print job and the device capabilities file to determine a conflict. The conflict has a level of severity that is displayed. Printing operations may proceed depending on the level of severity.

Systems and methods for digital predistortion (DPD) are disclosed herein. In an example embodiment, a digital front-end circuit includes a digital predistortion (DPD) block having a first input terminal and first output terminal, a PA having a second input terminal and second output terminal, and a transmitter coupling the first output terminal at least indirectly with the second input terminal. The DPD block is configured to receive a first input signal and to provide a first output signal having first and second components at the first output terminal. The DPD block includes a main distortion kernel that is configured to generate the first component, and a nonlinear memory kernel that is configured to generate the second component. The nonlinear memory kernel is configured to perform processing at least in part by a nonlinear envelope modulator including a linear finite impulse response (FIR) filter.

A system can comprise a radio unit comprising a digital front end chain. The system can further comprise a tap point disposed within the digital front end chain, wherein the tap point is configured to time align a signal at the tap point with a system time of the radio unit. The system can further comprise a first hardware component that is configured to selectively read the signal at the tap point to produce a read signal. The system can further comprise a second hardware component that is configured to store the read signal.

A printing system includes a printing device that receives print jobs. The print jobs are placed in a job queue within the digital front end (DFE) of the printing device. The printing device also includes a user interface to display information related to processing the print jobs. Methods executed at the DFE include defining a time period to process the print jobs at the printing device. A production time is estimated for each print job within the job queue related to parameters of the respective print jobs. A magnification level for each print job is generated based on the respective production time. The magnification level determines a visual display within the user interface. As a current job indicator moves over the slots related to the print jobs, the visual display is adjusted according to the magnification level.

Methods for managing printing operations include querying a job queue at a digital front end (DFE) of a printing device to determine a number of print jobs in the job queue. A production time is estimated for each print job within the job queue. The production time relates to a processing time to print the respective print job at the printing device. Each print job is scheduled within a printing shift in a defined printing schedule according to the production times. Further, the order of the print jobs within the printing schedule is modified according to a condition, policy, or time usage optimization. The order of the print jobs within the job queue are reordered to reflect the modified order in the printing schedule.

Methods for managing printing operations include querying a job queue at a digital front end (DFE) of a printing device to determine a number of print jobs in the job queue. A production time is estimated for each print job within the job queue. The production time relates to a processing time to print the respective print job at the printing device. Each print job is scheduled within a printing shift in a defined printing schedule according to the production times. Further, the order of the print jobs within the printing schedule is modified according to a condition, policy, or time usage optimization. The order of the print jobs within the job queue are reordered to reflect the modified order in the printing schedule.

The invention belongs to the field of radar signal processing software design, and particularly relates to a MicroBlaze-based FPGA (Field Programmable Gate Array) multi-channel pulse compression implementation method, which is characterized in that a multi-DSP (Digital Signal Processor) multi-channel pulse compression task is completed by using one FPGA, the DSP design cost can be greatly reduced, the hardware integration degree is improved, and good economic benefits and popularization values are achieved. According to radar multi-channel multi-packet format data, a multi-channel pulse compression method based on an FPGA is adopted, an AXI DMA bus is used, sub-array data obtained after pulse compression is stored in a DDR according to channels, one frame of data is stored in a single channel in sequence, the data moving process is omitted, and time expenditure is saved. The method can be applied to scenes such as digital front-end processing and radar original data preprocessing, the data volume is greatly compressed, the bandwidth pressure of subsequent signal processing is effectively reduced, and the method has the processing advantages of high bandwidth and high real-time performance.

A system can comprise a radio unit. The system can further comprise a group of antenna branches of the radio unit. The system can further comprise a group of digital front ends of the radio unit, wherein respective digital front ends of the group of digital front ends are configured to process data of respective antenna branches of the group of antenna branches. The system can further comprise a digital front end super path that is configured to select between the group of antenna branches, wherein the digital front end super path comprises a tap point at which data processed via the digital front end super path is able to be accessed.

The invention discloses a signal preprocessing method, a digital front-end device and a storage medium, and the method comprises the steps: obtaining the signal frequency of to-be-processed data, and determining two adjacent frequency indexes in a preset compensation coefficient table according to the signal frequency; determining a target compensation coefficient of the to-be-processed data based on the compensation coefficient corresponding to each frequency index in the preset compensation coefficient table; and performing data compensation on the to-be-processed data based on the target compensation coefficient. According to the embodiment of the invention, the problem that the compensation coefficient in the existing digital front-end device is fixed can be solved, the determination precision of the compensation coefficient can be improved, and the signal processing effect of the digital front-end is enhanced.

This invention discloses an efficient QR matrix decomposition method based on FPGA for implementing systolic matrices, belonging to the field of software-defined radio signal transmission technology for airborne networks. It is based on the design of a multi-channel digital front-end implemented on an FPGA chip. The method includes: designing a general handshake coordination mechanism, designing a timing flow for systolic matrix multiplication, performing fast QR matrix decomposition single-loop operations by calculating the Householder mirror transformation matrix, designing a top-level loop pipeline for QR matrix decomposition, and finally verifying the hardware scheme of the fast QR decomposition algorithm. This invention converts resource consumption into timing consumption by designing the overall pipeline logic and loop operations, enabling fast processing and accurate decomposition of digital information in a multi-channel digital front-end on an FPGA, effectively saving on-chip resources. In addition, this invention has excellent scalability, supporting 64 to 128-bit high-precision fixed-point number formats, and the data matrix order can reach up to 128.

An image formation system includes a digital front end and an image forming apparatus. When communication is interrupted due to a communication error during sending of image data from the digital front end to the image forming apparatus, the image forming apparatus does printing halfway in accordance with already received part of the image data. The digital front end stores information on pages of the image data left unprinted by the image forming apparatus and, after restart of the digital front end and the image forming apparatus, sends the information on the pages left unprinted to the image forming apparatus. The image forming apparatus resumes the printing in accordance with the information on the pages left unprinted.

The invention provides a baseband digital front end (DFE) simulation test method, device and equipment and a storage medium. The baseband digital front end (DFE) comprises a simulation link; the method comprises the steps that data information and configuration information are generated based on an auxiliary computing environment, the configuration information is at least used for starting candidate sub-modules included in a simulation link, and the data information is at least used for determining simulation test parameters corresponding to the simulation link; processing the data information and the configuration information based on the auxiliary computing environment to obtain a fixed-point output result; inputting simulation test parameters to the simulation link to obtain a simulation output result of the simulation link; and performing simulation test on the baseband digital front end (DFE) according to the fixed-point output result and the simulation output result. According to the invention, the simulation test efficiency of the baseband digital front end DFE can be effectively improved.

This disclosure is directed to digital front-end circuitry of a memory device having widened operating frequency bandwidth. The digital front-end circuitry may include a receiver including a variable gain amplifier (VGA) and a continuous time linear equalizer (CTLE) integrated on three cascaded circuit stages. A first stage of the three cascaded circuit stages may include a first portion of the VGA and a first portion of the CTLE, a second stage may include a remaining portion of the VGA, and a third stage may include a remaining portion of the CTLE. Having three cascaded circuit stages (e.g., including the remaining portion of the CTLE) as opposed to two cascaded stages may widen the operating frequency bandwidth of the receiver. The third stage may be programmable to be activated or deactivated.

The invention relates to the technical field of block chains, in particular to an asset and fund docking channel service system and method for export account receivable digital asset issuing and intelligent auditing based on a block chain, and the system comprises a front-end data collection module which is used for receiving an export trade document and a financing application under a sell-on-credit item submitted by an export provider; the intelligent core platform module is used for automatically processing the application data; the digital asset issuing technology system module is used for converting the accounts receivable subjected to auditing and credit increasing into on-chain digital assets; the fund clearing and annihilation module is used for managing a specified account of a specific target entity, automatically distributing original information to a digital asset holder through an intelligent contract after an importer pays due, and executing corresponding token annihilation operation; the fund party docking module is used for connecting global fund parties or qualified investors; and the data security and compliance block is used for ensuring KYC / AML compliance, data privacy protection and availability of an on-chain audit interface through monitoring of the data security and compliance block in the whole process. The system integrates a digital front end, an intelligent auditing platform, a block chain technology, an API (Application Program Interface), insurance credit enhancement and a legal structure (SPV). The full-life-cycle digital management and compliance transaction of the export account receivable from generation, right confirmation, issuing and circulation to liquidation are realized, and the problems of difficulty in asset right confirmation, low auditing efficiency, poor mobility and compliance challenge in cross-border trade financing are solved.

The invention relates to the technical field of satellite positioning, and discloses a GNSS-based positioning system, which comprises a tracking engine, a bus assembly and a memory, and is characterized in that the tracking engine is connected with the memory through the bus assembly; the tracking engine comprises a digital front end, a digital front end control module and a post-processing module; the digital front end is connected with the digital front end control module and is used for preprocessing the acquired satellite data to obtain intermediate satellite data; the digital front end control module is connected between the digital front end and the bus assembly and is used for writing intermediate satellite data into the memory in a positioning mode; the bus assembly comprises a bus and an arbiter, and the arbiter is connected between the digital front-end control module and the memory and used for arbitrating access of the tracking engine and the bus to the memory; and the post-processing module is connected with the memory and is used for obtaining a positioning result according to the intermediate satellite data read from the memory in the positioning mode. According to the technical scheme, the memory utilization rate is high, and the test convenience and the function flexibility are enhanced.

The invention discloses a digital front-end processing system suitable for ORAN beam forming, which comprises an O-RU ORAN interface, a Timing Module, an uplink beam forming processing link and a downlink beam forming processing link, and is characterized in that the O-RU ORAN interface is responsible for analyzing C-Plane, U-Plane, S-Plane and M-Plane link plane data; the Timing module is responsible for synchronizing a signal at the time of 10ms and providing a time sequence control signal for all the modules; and the downlink beam forming processing link comprises a downlink IQ (In-phase Quadrature) data, a BeamID (Beam Identity), a Beamforming Weight data cache, a DL (Downlink) Scheduling, a DL Scheduling, a Downlink Beamforming System, an IFFT (Inverse Fast Fourier Transform) / FFT (Fast Fourier Transform) / PowerScaling module and a DL DFE (Downlink Downlink) Chainin module, and the downlink beam forming processing link comprises a downlink IQ (In-phase Quadrature) data cache, a BeamID (Beamforming Identity) and Beamforming Weight data cache, a DL Scheduling (Downlink). According to the system, a modular design framework is adopted, different hardware schemes are convenient to transplant, ORAN Split7.2 x Category B devices of different manufacturers are directly connected in a butt joint mode, an upgrading interface is reserved, ORAN WG4section extension types are supported to be added, MATLAB algorithm module analysis and verification are provided, and the module efficiency and stability are high.

Methods for managing printing operations include querying a job queue at a digital front end (DFE) of a printing device to determine a number of print jobs in the job queue. A production time is estimated for each print job within the job queue. The production time relates to a processing time to print the respective print job at the printing device. Each print job is scheduled within a printing shift in a defined printing schedule according to the production times. Further, the order of the print jobs within the printing schedule is modified according to a condition, policy, or time usage optimization. The order of the print jobs within the job queue are reordered to reflect the modified order in the printing schedule.

A system can comprise a radio unit comprising a digital front end, wherein the digital front end comprises a group of tap points that are configured to receive a first custom signal. The system can also comprise a first component that is configured to originate the first custom signal. The system can also comprise a second component that is configured to select a first tap point of the group of tap points, and inject the first custom signal into the first tap point.

Systems and methods for identify errors in a transcript using an LLM. System comprises a digital front end; a backend computer system in communication with the digital front end; and a LLM in communication with the backend computer system. The LLM is configured to receive, via the digital front end: a list of words and phrases; a list of error categories; and a transcript, in a machine-readable format, for transcript correction by the LLM. The LLM is configured, via prompts: to consider a word or phrase in the transcript to possibly be in error if the word or phrase matches one error category in the list of error categories and if the word or phrase is phonetically similar to a word or phrase in the list of correct words and phrases; to assign a confidence score to each word or phrase considered to possibly be in error in the transcript; to ignore words or phrases considered possibly in error if the assigned confidence score is lower than a certain threshold value; and return a list of possible errors in the transcript in a machine-readable transcription error output format. The LLM is further configured, based on the prompts, to generate the list of possible errors in the transcript in the machine-readable transcription error output format.

A printing system includes an estimation system that provides estimates for ink or toner use for a print job at a target printing device. The estimation system retrieves digital job settings, digital front end (DFE) configuration settings, and printing device configuration settings from the target printing device. The estimate for recurring printing operations is stored at the estimation system. As printing instances occur, the estimation system retrieves the estimate along with its associated settings and compares them to current settings applicable at the printing device. Any difference between defined settings and current settings is resolved prior to printing the document. Job costing information also is generated for this instance of printing and provided to the estimation system.

A printing system includes a printing device having a digital front end (DFE). The DFE includes printing device configuration settings. The DFE defines the settings based on configurable attributes and generates a device capabilities file. The device capabilities file is downloaded to a print driver, printing application, or other interface. The settings within the device capabilities file are modified based on a conflict with a configurable attribute received from another set of attributes. The modified settings are stored within the device capabilities file. The device capabilities file is provided to a print ticket editor or similar device with the settings dynamically configured.

The invention discloses a digital front-end processing system suitable for ORAN equipment. The digital front-end processing system comprises an ORAN forward transmission interface, a downlink, an uplink, a calibration interface configuration module, a power measurement interface configuration module, a DEF unified peripheral management module and a TA timing management module. The downlink comprises a Beamforming Managent module, an OFDM (Orthogonal Frequency Division Multiplexing) module, a Channel Filter module, a DUC-DDC Mixer module, a CFR (Computational Fluid Ratio) algorithm module, a DPD (Digital Pre-Distortion) algorithm module and a PAP (Picture Access Point) module; and the uplink comprises a Beamforming module, a frequency compensation module, a temperature compensation module, a PIM Cancellation module and a PRACH (Physical Random Access Channel) processing module. According to the radio frequency equipment meeting the standard, a unified system test and management scheme can be realized, and radio frequency equipment and digital equipment of different manufacturers can be butted.

The invention discloses a TDD (Time Division Duplexing) digital front-end processing system suitable for ORAN (Orthogonal Radio Access Network) equipment. The TDD digital front-end processing system comprises an ORAN forward transmission interface module, a downlink module, an uplink module, a management module and a TDD control module, the ORAN forward transmission interface module is connected between an O-DU and an O-RU, the downlink module comprises a Beamforming Management module, an OFDM module, a Channel Filter module, a DUC Mixer module, a CFR module, a DPD module and a PAP module, and the uplink module comprises a Beamforming module, a frequency compensation module, a temperature compensation module, a PIM Cancellation module, a PRACH channel processing module and an AGC module. The management module comprises a calibration interface configuration module, a power measurement interface configuration module, a DEF unified peripheral management module and a TA timing management module. According to the invention, a unified system test and management scheme can be realized, and radio frequency equipment and digital equipment of different manufacturers can be butted.

The present invention provides a low-power implementation method, apparatus, device, and storage medium for a despreader, comprising: during a pre-charge phase, the despreader stores each group of m ADC sampling signals processed by a digital front end into corresponding registers according to the value of a shift counter, until the storage of N groups of processed ADC sampling signals is completed; after the pre-charge phase ends, the shift counter value is reset to 0, and a new clock cycle begins. The despreader updates the m ADC sampling signals processed by the digital front end received in the current clock cycle into corresponding registers, performs correlation operations with the corresponding shifted and stored spread spectrum code sequences to obtain corresponding despread values, increments the shift counter value by 1, and repeatedly triggers execution until the correlation operations of N groups of registers are completed. By replacing data shifts with spread spectrum code shifts, the present invention can reduce the number of register flipped bits in each clock cycle, thereby reducing dynamic power consumption.

A printing system includes a third party system and a printing device. The printing device includes a digital front end (DFE) that processes jobs and collects information about the printing device. The third party system sends a payload, such as a message or command, to the DFE over connection having a specified communication protocol. The DFE applies an interface having a transform to the payload to convert the information of the payload into a format useable by the DFE.

A printing system includes a printing device having one or more paper trays. A print job is received for the printing device having at least one media attribute. A digital front end (DFE) of the printing device parses a print ticket for the print job to determine the media attribute. The media attribute is compared to a paper catalog for the printing device. A list of media catalog entries is generated from the paper catalog that supports the media attribute. The DFE determines whether a media catalog entry of the list of media catalog entries is assigned to a paper tray. The print job is matched to the paper tray and the media related to the media catalog entry. The print job is processed using the paper in the paper tray.

A printing system includes a printing device having a digital front end (DFE). The DFE communicates with a cloud server system within the printing system. The cloud server system includes a paper catalog for the papers used at the printing devices within the printing system. For each printing device, the cloud server system defines a set of papers based on data or information related to the printing device or to a paper being used at the printing device. The set of papers is a number of papers from the paper catalog selected based on the data. The set of papers are provided to the DFE of the printing device. Paper usage is monitored at the printing device and used to adjust the papers within the set of papers stored within the DFE.

A printing system includes a printing device having a digital front end (DFE). The DFE communicates with a cloud server system within the printing system. The printing system is configured to print imposed pages having pages or documents having output intents. A first page of the imposed page has a first output intent. A second page of the imposed page has a second output intent. The first output intent relates to a first gamut applicable to color printing the first page. The second output intent relates to a second gamut applicable to color printing the second page. A page-level output intent for the imposed is set to the first output intent or the second output intent based on an evaluation of the first gamut and the second gamut.