23 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 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 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.

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.

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.

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.

This application provides a method, apparatus, storage medium, and electronic device for generating padding signals. The method includes: acquiring multiple subcarrier signals corresponding to each symbol of a radio frame signal, and performing inverse fast Fourier transform processing on the subcarrier signals corresponding to each symbol to obtain a time-domain baseband sampling sequence corresponding to each symbol; truncating the time-domain baseband sampling sequence to obtain a truncated short-time-domain signal sequence, and superimposing an raised cosine window function on the short-time-domain signal sequence to obtain a smoothed short-time-domain signal sequence; inputting the smoothed short-time-domain signal sequence into a digital front-end module for processing to obtain multiple padding signals, wherein the padding signals are used to preempt the channel before transmitting the radio frame signal. This solves the problem of large time delays in existing schemes that transmit padding signals according to the normal service signal flow.

Embodiments described herein relate to methods and apparatus for optimizing a digital front end (DFE), where the DFE is configured to perform a plurality of functions to generate a digital output signal y [n] from a digital input signal x [n], where the digital output signal y [n] is for input into an analog front end (AFE). A method performed by an optimizer comprises: applying an optimization process to a first objective function to determine first values for a respective plurality of first sets of configuration parameters for the plurality of functions, where the first objective function comprises a first component derived from a set of signal parameters S, a set of signal parameters representing the digital output signal y [n] and / or one or more analog signals measured at a point within the AFE and / or at the output of the AFE, where the set of signal parameters depends on the plurality of first sets of configuration parameters P1... PM; and initiating a configuration of the DFE using a first value of the plurality of first set of configuration parameters.

The invention relates to the technical field of GNSS chips, and discloses a GNSS receiver and a control method thereof, a storage medium, a program product and electronic equipment. The GNSS receiver comprises a digital front end, a tracking module and a positioning module, the tracking module comprises a plurality of tracking loops and a vector parameter estimation module, and the tracking loops are used for tracking digital intermediate frequency satellite signals to obtain initial tracking results of the tracking loops; and performing auxiliary tracking on the digital intermediate frequency satellite signal by using the auxiliary information corresponding to each tracking loop to obtain an actual tracking result of each tracking loop. The vector parameter estimation module is used for generating auxiliary information corresponding to each tracking loop, so that each tracking loop performs auxiliary tracking on the digital intermediate frequency satellite signal by using the corresponding auxiliary information to obtain an actual tracking result; and the positioning module is used for performing positioning calculation on the actual tracking result to obtain an actual positioning result of each tracking loop. The GNSS receiver provided by the invention is simple in structure, good in robustness and better in performance.

A peer-to-peer network of printing devices is configured to share printing device information, such as job queue status, configuration information, and resource information for automated load balancing, capability matching, failover, and print splitting operations. A digital front end (DFE) of a printing device establishes connections with the DFEs of other printing devices to manage output within the peer-to-peer network in an automated manner. When a print job is received at a DFE for a printing device, it is evaluated to determine how to best manage the output for the print job.