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98 results about "Bit field" patented technology

A bit field is a data structure used in computer programming. It consists of a number of adjacent computer memory locations which have been allocated to hold a sequence of bits, stored so that any single bit or group of bits within the set can be addressed. A bit field is most commonly used to represent integral types of known, fixed bit-width.

ZSTD compression algorithm optimization method based on joint coding and ternary decomposition

PendingCN121749995ACode conversionBit fieldStructural decomposition
The invention relates to the technical field of data compression, in particular to a ZSTD compression algorithm optimization method based on joint coding and ternary decomposition, and the method comprises the following steps: S1, building a joint frequency table based on the joint distribution of the literal length and the matching length of a previous section, setting a frequency deviation criterion, and dynamically adjusting a low-frequency combination proportion; s2, decomposing the offset value structure into a leading segment, a trailing segment and a middle segment, performing bit width-entropy ratio analysis on the middle segment, and selecting a symbol index or bit stream coding; and S3, entropy discriminant coding is performed on the joint symbol and the offset symbol respectively, and a structure position is mapped synchronously to generate a structured compressed output stream. According to the method, collaborative optimization of frequency self-adaption, redundancy minimization and structured mapping is realized through joint symbol dynamic modeling and offset ternary structure entropy discriminant coding, so that the ZSTD compression efficiency and the coding stability are remarkably improved.
Owner:LANZHOU UNIV

Color setting method, graphics processing unit and system on chip

The embodiment of the invention provides a color setting method, a graphic processing unit and a system on chip. The method applied to GPU user mode driving comprises the steps that under the condition that a rendering preparation instruction is received, a first bit field of a sampling descriptor is set as a first identifier, the first identifier is used for pointing to a preset table located in a memory, and the table is used for storing boundary colors with the color format exceeding the bit number of the sampling descriptor; writing a target color carried in the rendering preparation instruction into the preset table; acquiring a second identifier of the target color in the preset table; and writing a second identifier of the target color in the preset table into a second bit field of the sampling descriptor, and sending the sampling descriptor to GPU hardware, so that the GPU hardware realizes texture boundary color setting according to the sampling descriptor. According to the embodiment of the invention, the storage format and precision of the target color can be expanded, so that the setting of the texture boundary color can be improved, and the user experience is improved.
Owner:LOONGSON TECH CORP

Hardware routing table lookup method based on segmented unified storage

ActiveCN121864683AImprove storage densityno lossTransmissionComputer networkRouting table
The invention relates to a hardware routing table look-up method based on segmented unified storage. The method comprises the following steps: firstly, acquiring an IPv4 / IPv6 routing prefix, dividing the IPv4 / IPv6 routing prefix into 1-4 address fields according to 32 bits, allocating a unique forward and backward segment identifier for each field, constructing table entries containing the segment identifiers, 32-bit segment data and a next hop, and uniformly storing the table entries into the same TCAM. During table lookup, segmenting an address to be looked up according to the same rule, querying the TCAM from a first segment by taking segment data as a key, and recording a backward segment identifier and a next hop after hit; and if the backward segment identifier is invalid, directly returning to the corresponding next hop, and if the backward segment identifier is valid, continuing query by taking the identifier and the next segment of data as a joint key. And when the table item is not hit or the identification verification fails, selecting the table item with the longest prefix and the valid next hop in the matched section, and returning to the next hop. According to the invention, IPv4 / IPv6 routing table entries can be uniformly stored, the TCAM space utilization rate is improved, and meanwhile, the hardware table look-up efficiency is guaranteed.
Owner:NAT UNIV OF DEFENSE TECH +1

Fault processing method and device and storage medium

The invention discloses a fault processing method and device and a storage medium, and relates to the technical field of digital information transmission, and the method comprises the steps: when a communication link between a first EtherCAT slave station and a previous EtherCAT station is detected to be interrupted, when a message frame in a preset format is received, sending the message frame to a first EtherCAT slave station; judging whether a message index corresponding to the message frame is written into a message initial index register of the first EtherCAT slave station or not; if yes, modifying a circular flag bit field in the message frame from 0 to 1 to obtain a modified circular flag bit field; and the modified message frame is sent to a second EtherCAT slave station, so that the second EtherCAT slave station carries out discarding operation on the message frame based on the modified circular flag bit field, and the second EtherCAT slave station is an EtherCAT slave station which is located at the downstream of the first EtherCAT slave station and has the smallest distance from the first EtherCAT slave station. The technical problem that when link interruption occurs between slave stations in an EtherCAT protocol scene, the message continuously oscillates in a disconnected loop is solved, so that continuous oscillation of the message is prevented, and the stability and reliability of a system are improved.
Owner:深圳市三旺通信股份有限公司

Structuring ipv6 addresses into bit fields to embed language localization and services

Techniques for structuring IP version 6 (IPv6) addresses into bit fields to embed language localization and services information (e.g., and / or other attributes / information) are disclosed. In some embodiments, a system / process / computer program product for structuring IPv6 addresses into bit fields to embed language localization and services information includes allocating a configurable portion of an IP version 6 (IPv6) address for a subnet, wherein the subnet includes information that is associated with a geographical location (geolocation); and determining an attribute for a new session based on the subnet.
Owner:PALO ALTO NETWORKS INC

Automatic detection method and system for in-situ purity data of radiopharmaceutical separation device

The invention provides an automatic detection method and system for in-situ purity data of a radiopharmaceutical separation device, and relates to the technical field of data processing.The method comprises the steps that in-situ purity data is divided into a plurality of turning fragments, the anchoring offset relation of all nodes relative to a front anchor point and a rear anchor point is identified, and an anchoring sequence is constructed; calculating a response difference value and a time compression amount of adjacent nodes in each anchoring sequence, identifying a structure offset degree of a local signal in a turning segment, obtaining a bit segment extrusion amount, carrying out proportional reflection trimming on each node in the anchoring sequence, constructing a reflection node sequence, extracting a tail end reflection node and a starting reflection node of the adjacent turning segment, and obtaining a reflection node sequence; and identifying the evolution trend of the overall purity change to obtain the purity migration amount, and detecting the in-situ purity data to obtain in-situ purity detection data. According to the invention, timely and accurate purity monitoring can be realized in the separation device.
Owner:FUJIAN RUISIKE MEDICAL TECHNOLOGY CO LTD

Technique for Configuring a Phase Tracking Reference Signal

A technique for transmitting and receiving a configuration message for a phase tracking reference signal, PT-RS, on a radio channel between a radio access node and a radio device is described. The radio channel comprises a plurality of subcarriers in a physical resource block, PRB. A subset of the subcarriers in the PRB is allocated to a demodulation reference signal, DM-RS. As to a method aspect of the technique, the configuration message is transmitted to the radio device. The configuration message comprises a bit field that is indicative of at least one subcarrier allocated to the PT-RS among the subset of subcarriers allocated to the DM-RS.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Memory access request processing method, system on chip, storage medium and program product

The invention discloses a memory access request processing method, a system on chip, a storage medium and a program product, when at least two continuous memory access requests are received, an enable signal of a continuous transmission mode is acquired, and if the enable signal is in a trigger state, bit field fields of physical addresses corresponding to all the memory access requests are acquired; remapping the memory controller identifier in the bit field to a target position; wherein the target position points to the same target memory controller; and routing all the memory access requests to the target memory controller according to the address information of the target position. By adopting the embodiment of the invention, the continuous memory access requests are aggregated to the same memory controller to be processed, so that the switching of the memory controller is reduced, the bandwidth utilization rate is improved, and the control overhead is reduced.
Owner:SHANGHAI BIREN TECH CO LTD

Heterogeneous single-chip microcomputer drive code automatic system and method based on RISC-V instruction set

The invention relates to the technical field of embedded systems and automatic software generation, in particular to a heterogeneous single-chip microcomputer drive code automatic system and method based on an RISC-V instruction set, and the method comprises the following steps: receiving and analyzing an IP-XACT or JSON format peripheral description file provided by a hardware team; the method comprises the following steps: respectively calling a special parser to process different file formats, accurately extracting register address mapping, bit field definition, clock domain configuration, interrupt number and DMA channel information, constructing a tree-shaped peripheral data model of a cross-heterogeneous SoC, accurately mapping a physical address of a register to an RISC-V virtual address space, defining an interrupt trigger type and a DMA transmission direction, and establishing a tree-shaped peripheral data model of the cross-heterogeneous SoC; a unique hardware identifier is distributed to each peripheral; according to the method, the drive generation intelligence level of the heterogeneous RISC-V single-chip microcomputer can be comprehensively improved, and the key technical bottlenecks that multi-format peripheral description analysis is difficult, high-frequency data transmission is interrupted and lost, DMA configuration is complex and the like are solved.
Owner:SHENZHEN NANFANG ZHIKONG TECH CO LTD

A method for data incremental backup and restoration based on bit operation

The present application belongs to the field of data incremental backup and restoration, and particularly relates to a data incremental backup and restoration method based on bit operation. The method comprises the following steps: 1. New backup: allocating a bit value to a new backup task, and matching the bit value with the existing data in the backup library, and using the bit of the repeated data in the matching result and the bit of the new differential data of the backup task; 2. Restoring backup: querying the backup data with the set bit in the backup library according to the bit value of the backup task to restore; 3. Deleting backup: removing the position of the backup data record with the set bit value of the backup task until 0, and then physically deleting. The present application uses a bit field as a carrier for storing the differential version of the backup task, and uses bit operation to process the data storage and extraction task of the backup and restoration process, thereby saving the rapid increase of the storage space occupied by the repeated data in the full backup, and effectively simplifying the logical design cost and physical storage cost of the data backup and restoration.
Owner:GUANGZHOU FAISCO INFORMATON TECH

Method and device in node for wireless communication

The disclosure provides a method and a base station device for wireless communication. A RRC signaling having reference signal resource set(s) and second-type bit field(s) is transmitted, each of the second-type bit field(s) for indicating one power offset and corresponding to one of a plurality of indexes related to the reference signal resource set(s), the second-type bit field(s) including only one second-type bit field corresponding to a first index of the indexes. A PHY signaling having a first bit for determining a first reference signal resource set associated to the plurality of indexes is transmitted. Then a first radio signal at a first power value that is only related to power offsets indicated by all second-type bit fields among the second-type bit field(s) that correspond to the first index is received, the first radio signal being Quasi Co-located with one of the reference signal resource set(s).
Owner:DIDO WIRELESS INNOVATIONS LLC

An invalid instruction generation method and device, electronic equipment and storage medium

Embodiments of the present application provide a kind of invalid instruction generation method, device, electronic equipment and storage medium, involve computer technical field, in the method, first instruction coding format is selected from the instruction coding format set corresponding to the preset instruction set architecture;First random code with the fixed bit section total length of first instruction coding format is equal in length;In the case where the first random code is inconsistent with each preset fixed code corresponding to the first instruction coding format, the invalid instruction corresponding to the preset instruction set architecture is generated based on the first random code.The invalid instruction corresponding to the preset instruction architecture can be directly generated in a random manner, which does not comply with the instruction coding format, which helps to improve the efficiency of generating the invalid instruction of the preset instruction set architecture.
Owner:BEIJING INSTITUTE OF OPEN SOURCE CHIP

In-situ purity data automated detection method and system for radiopharmaceutical separation devices

The application provides an in-situ purity data automatic detection method and system of a radiopharmaceutical separation device, and relates to the technical field of data processing.The method comprises the following steps: dividing in-situ purity data into multiple folded segments, identifying the anchoring offset relationship between each node relative to the front anchor point and the rear anchor point to construct an anchoring sequence, calculating the response difference and time compression amount of adjacent nodes in each anchoring sequence, identifying the structural offset degree of local signals in the folded segment to obtain a bit segment displacement amount, proportionally reflecting and adjusting each node in the anchoring sequence to construct a reflection node sequence, extracting the end reflection node and the start reflection node of adjacent folded segments, identifying the evolution trend of overall purity change to obtain a purity latent displacement amount, and detecting the in-situ purity data to obtain in-situ purity detection data.The application can realize timely and accurate purity monitoring in the separation device.
Owner:FUJIAN RUISIKE MEDICAL TECHNOLOGY CO LTD

Resource processing method and apparatus, electronic device, and readable storage medium

Embodiments of the present application provide a resource processing method and device, electronic equipment and readable storage medium, in response to the target load sent resource processing request, obtain the target security attribute data corresponding to the to-be-processed resource indicated by the resource processing request; the target security attribute data includes a domain attribute field and a processing permission field; in the case of matching between the domain attribute field and the current execution mode corresponding to the target load, execute the resource processing request; in the case of not matching between the domain attribute field and the current execution mode corresponding to the target load, and the permission bit field in the control state register is the first value, if the processing permission field matches the resource processing operation corresponding to the resource processing request, execute the resource processing request. In this way, the flexible resource processing mode can improve the flexibility of resource processing request processing on the basis of maintaining resource security isolation, so that the system can better adapt to the operation requirements in different scenarios.
Owner:BEIJING INSTITUTE OF OPEN SOURCE CHIP

Nvm solid state disk garbage collection method based on block valid segment bitmap and accelerated search

The application relates to the solid state disk storage technical field and discloses an NVM solid state disk garbage collection method based on block effective segment bitmap and accelerated retrieval, which comprises the following steps: when a covering write request is received, locating a BS block and a segment to which an old physical page belongs and accumulating segment invalidation counts, and setting a segment level bitmap corresponding bit when the counts reach a threshold value; after garbage collection is triggered, a candidate block set is screened through hardware acceleration logic by traversing the segment level bitmap; comparing a candidate block version stamp with a global submission version, performing full volume verification and migration on corresponding segment physical pages when the versions are consistent, performing sample verification when the versions are inconsistent, and determining whether to migrate according to the result. The application realizes rapid screening and directional verification of garbage collection candidate blocks, reduces the number of mapping table access times, reduces the invalid migration probability, improves the solid state disk garbage collection efficiency, and simultaneously optimizes the overall read-write performance and running stability of the solid state disk in the small block random write and hotspot address covering write scene.
Owner:ZHEJIANG WEIMING SEMICONDUCTOR CO LTD

Method and apparatus for lower-layer triggered mobility (LTM) measurement reporting

PCT designated stageWO2026068352A1Wireless communicationBit fieldEngineering
Methods, apparatuses, and systems provide medium access control (MAC) control element (CE) formats for lower-layer triggered mobility (LTM) measurement reporting. In the context of a method, the method includes receiving control information indicative of one or more reference signals, within one or more candidate cells, to monitor for one or more events associated with LTM reporting; providing for one or more measurements of the one or more reference signals in accordance with the control information; identifying, based at least in part on the one or more measurements, an occurrence of at least an event of the one or more events for at least a candidate cell of the one or more candidate cells; and transmitting a MAC CE comprising an LTM report based at least in part on the occurrence of the event, wherein a bit field of the MAC CE identifies at least the candidate cell.
Owner:NOKIA TECHNOLOGIES OY

A configurable reduction circuit for integer operations in post-quantum cryptographic algorithms

The application discloses a configurable reduction circuit for integer operation in a post-quantum cryptographic algorithm and belongs to the technical field of hardware implementation of cryptographic algorithms. u The configurable reduction circuit receives an 8-bit integer index value, a 24-bit random integer, a 32-bit random integer, a 2-bit security level signal and a 1-bit mode selection signal, selects a corresponding 16-bit intermediate parameter n and an 18-bit intermediate parameter n according to the 2-bit security level signal, selects one of two reduction paths according to the 1-bit mode selection signal, and performs reduction on the 16-bit intermediate parameter n and the 18-bit intermediate parameter n to obtain a 16-bit modular reduction result. u The application can unify the reduction process, construct a shared wide-bit multiplier, and combine bit segment selection and control logic to multiplex the same multiplication calculation resource under different reduction modes, so that the hardware resource consumption and implementation complexity are effectively reduced while the functional correctness is ensured.
Owner:HUAZHONG UNIV OF SCI & TECH

Color setting method, graphics processing unit, and system-on-chip

This application provides a color setting method, a graphics processing unit, and a system-on-a-chip. The method applied to a GPU user-mode driver includes: upon receiving a rendering preparation instruction, setting the first field of a sampling descriptor to a first identifier, whereby the first identifier points to a preset table in memory, which stores boundary colors whose color format exceeds the number of bits in the sampling descriptor; writing the target color carried in the rendering preparation instruction into the preset table; obtaining a second identifier of the target color in the preset table; writing the second identifier of the target color in the preset table into a second bit field of the sampling descriptor; and sending the sampling descriptor to the GPU hardware, allowing the GPU hardware to set the texture boundary color based on the sampling descriptor. This application can extend the format and precision of target color storage, thus improving the setting of texture boundary colors and enhancing the user experience.
Owner:LOONGSON TECH CORP

Bus-based data transmission method, apparatus, device, and storage medium

This invention relates to a bus-based data transmission method, apparatus, device, and storage medium. The bus-based data transmission method includes: when a signal edge is detected before the start of a synchronization segment of the next bit time on the bus, acquiring a sampling sequence obtained from multiple samplings, the sampling sequence being used to characterize the quality of the signal edge; determining a target bit synchronization strategy from among several preset bit synchronization strategies based on the sampling sequence, different bit synchronization strategies defining different bit segment adjustment methods; and adjusting a target phase buffer segment of the current bit time for data transmission based on the target bit synchronization strategy, the target phase buffer segment being the interval preceding the synchronization segment. This application evaluates signal quality through the sampling sequence and adopts a corresponding synchronization strategy based on the evaluation result, realizing dynamic adjustment of bit synchronization, effectively reducing synchronization errors caused by noise, and further improving the stability and reliability of data transmission.
Owner:厦门国科安芯科技有限公司

Template-based ipv6 address data processing method and system, and related device

The application provides a template-based IPv6 address data processing method and system, and related equipment, the method comprising: obtaining an IPv6 address to be processed and a multi-level identification template, the multi-level identification template comprising a parent level analysis rule, a child level analysis rule, and a prefix association mapping relationship between the parent level analysis rule and the child level analysis rule; determining parent level bit segment data of the IPv6 address based on the parent level analysis rule, and performing query comparison in the prefix association mapping relationship to determine a target prefix association identification; determining a target child level analysis rule from the child level analysis rule according to the target prefix association identification, and then determining child level bit segment data of the IPv6 address and performing mapping query to obtain a target child level identification; and obtaining a structured analysis result of the IPv6 address according to the target child level identification and the target prefix association identification and outputting the result. The application can improve the search, positioning, and troubleshooting efficiency for IPv6 addresses, and reduce the error rate.
Owner:SHENYANG QIANGXIN COMM TECH CO LTD

Structuring IPV6 addresses into bit fields to embed language localization and services

Techniques for structuring IP version 6 (IPv6) addresses into bit fields to embed language localization and services information (e.g., and / or other attributes / information) are disclosed. In some embodiments, a system / process / computer program product for structuring IPv6 addresses into bit fields to embed language localization and services information includes allocating a configurable portion of an IP version 6 (IPv6) address for a subnet, wherein the subnet includes information that is associated with a geographical location (geolocation); and determining an attribute for a new session based on the subnet.
Owner:PALO ALTO NETWORKS INC

Method and apparatus for supporting asymmertic DL / UL TRP deployments in wireless communication networks

A User Equipment (UE) for supporting an asymmetric Downlink (DL) and Uplink (UL) Transmit receive Point (TRP) deployment is provided. The UE receives, from a Base Station (BS), a Transmission Configuration Indication (TCI) state, the TCI state associated with a pathloss offset value; receives, from the BS, a Physical Downlink Control CHannel (PDCCH) order, the PDCCH order including a Downlink Control Information (DCI) field; and determines a transmission power of a Physical Random Access CHannel (PRACH) transmission based on the DCI field. A bit field index of the DCI field indicates whether the pathloss offset value is applied for a determination of the transmission power of the PRACH transmission. In addition, a method and a Base Station (BS) are also provided.
Owner:SHARP KK

General purpose computing unit and instruction scheduling method

This disclosure provides a general-purpose computing unit and an instruction scheduling method for the general-purpose computing unit. The general-purpose computing unit includes: multiple execution units, each execution unit executing arithmetic instructions in units of thread bundles; and an instruction scheduler for determining the priority of multiple arithmetic instructions based on whether they have a reuse tag, and scheduling each arithmetic instruction to one of the multiple execution units based on the priority; wherein each execution unit includes: one or more reuse registers, each reuse register storing an operand and a tag of a previous arithmetic instruction, the tag indicating the address of the operand and the thread bundle; and an instruction decoding unit for decoding the received arithmetic instruction to determine the read location of the operand of the arithmetic instruction. By attaching a reuse tag to the entire arithmetic instruction to prioritize the scheduling of the instruction, the operand hit rate is improved, and excessive instruction bit fields are not required.
Owner:SHANGHAI BIREN TECH CO LTD

Permission domain management method and system for multi-privilege level processor resources

The application provides a permission domain management method and system for a multi-privilege-level processor resource, which comprises the following steps: an instruction verification step, a register read-write verification step, a register bit field write verification step, and a start initialization step; the start initialization step is performed according to an ISA-Context, and the ID of a current permission domain is obtained; the instruction verification step is performed according to the ID of the current permission domain; the register read-write verification step is performed according to the ID of the current permission domain; and the register bit field write verification step is performed according to the ID of the current permission domain. The application uses permission domains to isolate the processor resources, that is, multiple permission domains, specifically 256 permission domains, exist, and the resources are isolated in the granularity of a single instruction or a register bit field in each permission domain, so that the granularity of the processor resource permission isolation is finer.
Owner:SHANGHAI JIAOTONG UNIV

Communication methods, terminal devices and network devices

Provided are communication methods, terminal devices and network devices. A communication method comprises: a terminal device receives a synchronization signal and physical broadcast channel block (SSB) sent by a network device, the SSB being used for acquiring system information of the network device, the SSB comprising a first bit field, and the first bit field being used for indicating that the SSB is an NCD SSB. Regardless of whether the SSB sent by the network device comprises system information, the first bit field in the SSB indicates that the SSB is an NCD SSB. In this way, for terminal devices that do not support on-demand SSBs, upon receiving on-demand SSBs, the terminal devices will not erroneously use the SSBs not belonging to them for access and measurement.
Owner:QUECTEL WIRELESS SOLUTIONS CO LTD

Transferable and low-power-consumption MCU (Microprogrammed Control Unit) device

PendingCN121879841AReduce dynamic power consumptionHighly portableRegister arrangementsMicrocontrollerComputer architecture
The invention relates to the field of microcontrollers, in particular to the field of industrial control, and specifically relates to an MCU device with portability and low power consumption. The MCU device with portability and low power consumption comprises an instruction architecture, a storage architecture and a pipeline architecture in the aspect of a kernel; an instruction architecture, a storage architecture and a pipeline architecture are simplified; in the aspect of peripherals, design is carried out according to requirements in current industrial scenes, modules such as a UART (Universal Asynchronous Receiver / Transmitter), an SPI (Serial Peripheral Interface) and a TMR0 are modularized, and implementation is carried out based on an SFR bus protocol; a simplified instruction system structure is used, and a PIC16F8X series instruction system is compatible; classifying the instruction into a file register byte-oriented operation type instruction, a file register bit-oriented operation type instruction, an immediate operand operation type instruction and a fixed coding format control type instruction according to different instruction types; in all the operation instructions, the operation code field is located in the highest bit field, and information report instruction types and function information are contained in the operation code field.
Owner:SUZHOU RUILUJIE SEMICON TECH CO LTD

Global multi-source measurement variable adaptive conversion method based on high-precision beidou timing

PendingCN122633996AData streamBit field
The application relates to the technical field of satellite navigation and application systems, and discloses a global multi-source measurement variable adaptive conversion method based on Beidou high-precision time service, which is a special instrument for time service in a satellite navigation and application system, and comprises the following steps: acquiring multi-source measurement variable original sampling data streams and extracting a time service signal to establish a global absolute time grid; analyzing sampling data bit field distribution to lock a least significant bit interval below physical measurement bottom noise; converting sampling time sequence deviation relative to the grid into a binary micro-time sequence; implementing phase reverse alignment correction according to physical causal time delay between associated variables; and calling a hardware bit shift instruction to overwrite the sequence into the least significant bit interval to generate a composite mapping variable; and the application establishes a bit field implicit reuse conversion mechanism, destroys asynchronous signal transmission delay to physical causal order under the premise of maintaining unchanged message topology and bus load.
Owner:HUNAN AUDE INFORMATION TECH