262 results about "Access technology" patented technology

The invention discloses an Internet of Things operation management scheduling system based on cloud edge collaboration, relates to the technical field of task scheduling optimization, and aims to solve the problem of adaptability of edge computing and cloud edge collaboration architecture, the Internet of Things perception access technology is adapted and fused with heterogeneous equipment through an architecture adaptation module, various IOT data are stably acquired, and the cloud edge collaboration is realized. The task execution position is dynamically adjusted in combination with the task distribution unit; real-time stream calculation and an ETL processing mechanism are combined to fit a comprehensive scheduling index Zdzh, the utilization rate of calculation resources is increased, and task scheduling is optimized; internet of Things equipment data, internet data and government affair data are analyzed based on the data lake and warehouse architecture, a data access strategy is optimized, and the data fusion efficiency is improved; and calculating and evaluating a sudden anomaly prediction coefficient Tycs, triggering an anomaly early warning mechanism or a sudden anomaly emergency mechanism, optimizing task migration, calculating node load balancing and data traceability analysis, so as to improve the stability and intelligent level of an Internet of Things operation management scheduling system.

The invention provides a multi-scene access control dynamic verification method and system based on a permission tree, and relates to the technical field of scene access, and the method comprises the steps: receiving a user resource access request, obtaining a user permission tree, obtaining a mapping rule according to a scene identifier, screening to generate a primary screening permission node set, carrying out the grouping processing through employing a consistent Hash algorithm, and obtaining a primary screening permission node set; and generating a scenarized permission tree through reachability analysis, merging and reconstruction, performing hierarchical verification on identity validity, scene legality and resource access permission on the request, and generating an access control strategy. The method can dynamically adapt to authority requirements of different scenes, and the accuracy and flexibility of resource access control are improved.

The invention provides an AmBC-NOMA communication resource joint optimization method for a high mobility V2X scene, and relates to the technical field of communication resource joint optimization. Aiming at channel dynamic change caused by high-speed motion of a vehicle and the influence of the channel dynamic change on short packet communication reliability and rate performance, the method combines reflection type communication and non-orthogonal multiple access technologies, and on the basis of fully considering channel time-varying characteristics, a reflection coefficient, a power distribution coefficient and block length resource distribution in a system are jointly optimized, so that the reliability and the rate performance of short packet communication are improved. Therefore, the communication rate performance and the resource utilization efficiency under the requirements of short time delay and low error rate are improved. Through the method, the short packet transmission rate of the system can be remarkably improved under the conditions of limited time delay and channel uncertainty, and the actual application requirements of the future Internet of Vehicles system for efficient, low-time-delay and high-reliability short packet communication are met.

The embodiment of the invention provides a measurement and control link multiple access method and device based on a high-dimensional discrete space, electronic equipment and a storage medium. The method comprises the following steps: constructing the high-dimensional discrete space based on an initial orthogonal vector coordinate system; the high-dimensional discrete space comprises space resources of at least one of a time domain, a frequency domain and a code domain; in a high-dimensional discrete space, constructing a non-stipulated coordinate system matched with the control scene requirement by taking the initial stipulated coordinate system as a reference; constructing a dual mapping relation matrix according to a non-stipulated coordinate system of the initial stipulated coordinate system, and updating the dual mapping relation matrix based on the measured data; and accessing at least one satellite or spacecraft to the ground station based on the updated dual mapping relation matrix and the constellation measurement and control link, thereby realizing effective expansion of the measurement and control link multiple access technology, and improving the measurement and control link multiple access efficiency based on the available discrete space of the multi-dimensional joint variable.

The invention provides a novel hybrid carrier multiple access scheme. According to the scheme provided by the invention, the energy propagation concept of the hybrid carrier is combined with a frequency division multiple access model, and a specific operation method and a processing flow of the hybrid carrier processing and the multiple access processing of the power signal in the sending and receiving processes are provided; and the requirements of signal anti-interference capability, transmission efficiency and multi-user and multi-time-space under an ad hoc network of a power wireless private network are met, and the method is called as hybrid carrier non-orthogonal multiple access (HC-OFDMA). Due to the fact that the energy dispersion capacity is enhanced, a plurality of users can share the same spectrum resource at the same time through non-orthogonal distribution of a power domain, the spectrum utilization rate can be remarkably improved, power distribution can be dynamically adjusted, transmission is optimized according to channel conditions of the users, more users are supported to access at the same time, the system capacity is improved, and the system performance is improved. The method is especially suitable for high-density users and large-scale Internet of Things scenes.

The invention provides an encryption access control method and platform for industrial security data, and relates to the technical field of data encryption access, and the method comprises the steps: carrying out the attribute classification and code identification of an industrial system data set; performing security level division on the industrial system data set according to the data security quantitative index system; performing matching analysis on the multi-level industrial security data set based on the data encryption algorithm list; encrypting and storing the industrial system data set based on the industrial data identification code set by adopting a multi-stage data encryption algorithm to generate an industrial encrypted data warehouse; and establishing a fine-grained access mechanism and a decryption interaction mechanism according to the user role library, and performing access authority distribution and encryption access control on the industrial encrypted data warehouse based on the fine-grained access mechanism and the decryption interaction mechanism. According to the invention, the technical problem that the comprehensive requirements of high safety, high precision and high flexibility in a modern industrial system are difficult to meet in the prior art can be solved.

The invention belongs to the technical field of block chains and information security, and particularly relates to a cross-domain access method for enhancing security privacy protection based on a block chain. The architecture comprises a global coordination chain and a plurality of domain alliance chains; the global coordination chain deploys a strategy Merkel tree root, a cross-domain authentication log and an SGX security area verification record to form a global credible verification anchor point; the domain alliance chain adopts a distributed autonomous mode, equipment registration information is maintained in each independent domain, a policy tree and an anonymous certificate library are dynamically accessed, and data sovereignty isolation is realized. The invention aims to solve the problems of identity authentication centralization, easy leakage of privacy data, low cross-domain trust transmission efficiency and the like in the traditional cross-domain access technology.

The invention provides a storage device, a storage method and a storage access method based on lake and warehouse integration. The storage device comprises a storage management unit, a unified metadata management unit and a federal query engine unit, the storage management unit is used for realizing hybrid storage and dynamic hierarchical storage; the unified metadata management unit is used for metadata atlas construction, concurrency control and GDPR compliance support; the federal query engine is used for intelligent routing decision, SQL dialect unification and intelligent push-down optimization; based on a lake and warehouse integrated storage device and an access technology thereof, unified management of structured and unstructured data is supported, the problem of data islands is avoided, and cross-engine data visibility is realized through unified metadata management; according to the lake and warehouse integrated storage device and the access method, technologies such as a dynamic hierarchical storage strategy, intelligent routing decision, intelligent push-down optimization and the like are fused, and the storage and access efficiency and the robustness of the system are greatly improved.

The invention discloses a fine-grained data security access control method and device and a storage medium, and the method comprises the steps: obtaining terminal information which comprises hardware fingerprint information and a digital certificate; performing terminal information verification processing according to the hardware fingerprint information and the digital certificate to generate a security token; performing user information verification processing according to the security token and the user access request to generate an access request result; according to the access request result, access channel authorization processing is carried out, and a target data access channel state is generated; performing data access record processing according to the target data access channel state to generate a target operation ticket; performing storage and audit processing according to the target operation order to generate an audit report; and performing data clearing processing according to the audit report to generate a visual report. According to the invention, data security access control is realized, and security and adaptability are improved. The method can be widely applied to the technical field of data security access.

The invention discloses a data processing method and device, a terminal and network side equipment. The data processing method of the embodiment of the invention belongs to the technical field of communication, and comprises the steps that a first protocol layer of network side equipment performs first processing on a data packet, and the first processing comprises at least one of the following items: data distribution related processing; performing data aggregation related processing; wherein the first protocol layer is located on an air interface access technology protocol layer.

The embodiment of the invention provides a big data storage optimization method based on a zero-copy collaboration technology and related equipment, and belongs to the technical field of big data storage. The method comprises a zero-copy data transmission module used for directly writing a data stream into a front-end buffer area of an annular structure through a direct memory access technology, and adopting a zero-copy algorithm based on pointer offset to parallelly separate data of each channel in a multi-thread environment; the intelligent data reduction module is used for deleting duplicated data from the data and then compressing the duplicated data; and the hybrid storage management module is used for managing the hybrid partition storage architecture and dynamically adjusting the distribution of the data in the hybrid partition storage architecture according to the data access mode. The CPU copy frequency is reduced through the zero copy technology, the data transmission efficiency is remarkably improved by combining the data reduction and intelligent layering strategies, the occupied storage space is reduced, and meanwhile the data safety and compliance are guaranteed.

This terminal that shares a frequency with a first-generation wireless access technology and supports a second-generation wireless access technology that is subsequent to the first-generation wireless access technology comprises: a communication unit for receiving information regarding a first resource which is used to transmit control information or a reference signal by a base station supporting the first-generation wireless access technology; and a control unit for controlling communication through the second-generation wireless access technology on the basis of the information regarding the first resource.

The invention discloses a hybrid far and near field communication beam and power joint optimization method based on rate splitting, and relates to the technical field of wireless communication and novel multiple access. The designed hybrid near-far field communication beam and power joint optimization method comprises the following four steps: S1, establishing a far-field user and a near-field user channel model in a hybrid near-far field communication scene; s2, splitting data of near-field users into public information streams and private information streams by using a rate splitting multiple access technology; s3, pre-configuring beams of the public information flow and the private information flow of the near-field user by using a zero-forcing algorithm, so that the far-field user occupies the beams of the near-field user to carry out information transmission; and S4, establishing an optimization problem by taking maximization of the reachable sum rate as a target, and designing an iterative optimization algorithm to jointly process beam allocation of the near-field users and transmission power allocation variables of the near-field users and the far-field users and the near-field users. According to the invention, the throughput and connectivity of the communication network can be obviously improved.

The invention discloses a field live-line safety protection method and system for an autonomous robot, and belongs to the technical field of intelligent live-line detection. The method comprises the following steps: based on a preset adaptive access technology, in a simulation environment, training a virtual simulation model by using a constructed deep reinforcement learning algorithm to complete a specified action so as to train an action algorithm of the virtual simulation model, and transplanting the trained action algorithm to an autonomous robot; based on a preset comprehensive evaluation model, identifying the monitoring data, determining behaviors of the autonomous robot, and generating a sensing result; and generating an electronic map of risk score quantitative distribution based on a perception result, collecting fine-grained action information of the autonomous robot based on the electronic map, and performing active behavior risk early warning based on the fine-grained action information. According to the invention, the performance detection work of the combined transformer can be carried out under the electrified condition, and the power failure loss is reduced.

The invention relates to the technical field of communication, and discloses a 5G slice-based low-altitude unmanned system communication control method and an industrial gateway, and the method comprises the following steps: S1, creating a special communication slice for a low-altitude unmanned system in a 5G core network, and configuring high priority and predefined service quality parameters; s2, based on the created special communication slice, the data processing capability is sunk to an edge computing node, and the edge computing node is deployed at a geographic position close to the low-altitude unmanned system; and S3, after data processing configuration is completed at the edge computing node, independent communication channels are distributed to each unmanned aerial vehicle in the low-altitude unmanned system by using a multiple access technology and a multiple-input-multiple-output technology of the 5G network. According to the invention, by introducing 5G slices, edge computing nodes, dynamic communication path selection and spectrum resource allocation technologies, low time delay, high transmission rate and efficient resource utilization of the low-altitude unmanned system are realized.

The disclosure relates to a fifth generation (5G) communication system or a sixth generation (6G) communication system for supporting higher data rates beyond a fourth generation (4G) communication system, such as long term evolution (LTE). A method performed by a first device in a communication system is provided. The method includes performing random access procedure, wherein information associated with a first device type is transmitted to a base station during the random access procedure, and transmitting and / or receiving signals based on first resource among scheduled first type resources dedicated to a first device type, wherein the first device type is associated with fixed wireless access technology.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates and satisfying various service requirements. A method performed by a terminal in a communication system is provided. The method includes transmitting, to a network function related to mobility management, a first NAS message including capability information that indicates whether the terminal supports an access technology utilization control; receiving, from the network function, a second NAS message including information on the access technology utilization control, the information on the access technology utilization control indicating restricted access technology associated with a current PLMN; storing the information on the access technology utilization control; and applying the information on the access technology utilization control for a cell selection and a cell reselection in the current PLMN to restrict an access to the restricted access technology.

Various example embodiments for supporting packet replication and deduplication are presented. Various example embodiments may be configured to support packet replication and deduplication within the context of application flows utilizing multiple communication paths which may be based on multiple access technologies. Various example embodiments may be configured to support packet replication and deduplication based on support for application-based policy control for enabling applications to control selection and application of packet replication and deduplication to application traffic flows based on considerations such as the needs of the application traffic flows, network conditions, and so forth. Various example embodiments may be configured to support packet replication and deduplication based on packet hashes, packet sequence numbers, or the like, as well as various combinations thereof.

Disclosed are an access and transmission method, and a network-side device, a terminal and a storage medium, which are used for solving the problem in the related art of a collision in preamble parts. In the embodiments of the present application, pseudo-random information is added to preamble parts, and the preamble parts and data parts are sent by using resources configured on a network side, such that the preamble parts of different terminals can be made to be as different as possible by using the pseudo-random information, thereby avoiding the problem of multiple collisions being caused due to preamble parts of the terminals being the same.

The invention provides a data transmission method, a graphic processing unit and electronic equipment. The method comprises the following steps: acquiring a target task descriptor through a control unit; analyzing the target task descriptor through the control unit to obtain a data source address of the target data and a target graphic processing unit identifier; determining a target address corresponding to the target graphic processing unit identifier through the control unit, and sending the data source address and the target address to a first remote memory direct access module; and obtaining the target data from the data source address through the first remote memory direct access module, and transmitting the target data to the target address. Based on the data transmission method disclosed by the invention, the difficulty of interconnecting a plurality of graphic processing units by using a remote memory direct access technology can be reduced.

The invention provides an Internet of Vehicles DNN collaborative reasoning method based on a rate splitting multiple access technology. The method comprises the following steps: S1, establishing an edge computing system model; s2, establishing a communication model; s3, based on a rate splitting multiple access strategy, a road side unit RSU divides the information sent to each group of vehicles into a public flow and a private flow, and distributes a precoding matrix for each group; s4, in combination with a given DNN partition strategy and an RSU computing resource allocation method, calculating the communication rate received by each vehicle by using a continuous convex approximation algorithm; s5, on the basis of the communication rate and RSU computing resources, constructing a directed acyclic graph model of a DNN reasoning task, expanding the model into a network flow graph, and performing task partitioning on the model by adopting a genetic algorithm to minimize reasoning time delay to obtain a corresponding edge-vehicle partition node set; s6, converting an optimization problem into a KKT condition, and solving an optimal allocation scheme of RSU computing resources; and S7, repeating the steps from S4 to S6, and carrying out iterative updating to obtain an optimal solution of the system.

The embodiments of the present application provide a device discovery method and apparatus, which relate to the field of communication technology and can support multiple access technologies to meet the diverse power consumption and bandwidth requirements of different services or the same service in different communication scenarios. At the same time, it can support more device discovery modes and device discovery processes to meet the needs of more device discovery scenarios. The method includes: a first device obtains request information of a first application; the request information is used to indicate the discoverability level of the first device; the first device determines the access technology corresponding to the first application based on the first application; the first device broadcasts a first message based on the request information using the access technology corresponding to the first application; the first message includes first indication information, and the first indication information is used to indicate the discoverability level of the first device.

Technology is disclosed for expedited gamer profile log in to a gaming console based on a proof-of-presence of the owner of the gaming profile to the console. The user may request proximity-based login via a gaming application on a mobile device into which the user is logged in and authenticated by a central service. The mobile device sends the request to the central service along with location evidence. The user authorizes the proximity-based login on the console, which provides location evidence to the central service. The central service compares the mobile device location to the console location to pair the requests and authorizes the proximity-based login of the gamer profile on the console when the locations match. When mobile device location evidence no longer matches the console location evidence, the mobile device loses its proof-of-presence, and the central service automatically logs the gamer profile out of the console.

Example embodiments of the present disclosure are directed to user equipment (UE) prioritization of different radio access technologies (RATs) on shared band A method comprises: in accordance with a determination that a first RAT and a second RAT are available for the first apparatus and there is an overlapped frequency range between the first and the second RATs, determining a service type and / or a usage condition required by the first apparatus related to a radio access; and using one of the first and the second RATs on the overlapped frequency range based on the determination.

The present invention relates to a memory-based data access system, which belongs to the field of data access technology and solves the problems in the prior art of difficult memory data processing and difficult reuse of processing codes. The system comprises: a memory data source constructor, a query constructor and a memory executor; the memory data source constructor is used to encapsulate the acquired data into a memory table object and then put it into the memory data source; the query constructor is used to construct a query object syntax tree through a chain call method and obtain the query object based on the query object syntax tree; the memory executor is used to obtain the data to be queried according to the memory data source and the incoming query object, and then filter the data to be queried, sort and group the data to be queried to obtain the final query result. The system realizes access to memory data using SQL query thinking.

The application discloses a kind of multi-dimensional multiple access and lightweight continuous authentication combined design system.The combined design system is based on non-orthogonal multiple access technology, explores multiple domains of device access, describes the access time sequence of multiple users, sub-channel and power allocation as a joint optimization problem, improves the communication performance of system while guaranteeing the continuous identity authentication of multiple devices.The system uses the unique access time sequence and channel generated by the user in advance to realize the simultaneous verification of multiple users at the base station end;While guaranteeing the continuous authentication of multiple users, the communication performance of the system is improved by optimizing their channel and power allocation.The system provides a fast network access and continuous authentication scheme for devices, which can be widely applied in wireless communication scenarios.

The application discloses a kind of access control method and system based on zero trust architecture SPA technology, method includes: accepting the service access request sent by access terminal, identity verification is carried out by trusted console;Access control strategy of the access terminal is obtained based on the access behavior data of the access terminal;Based on access control strategy, trusted console and access terminal establish SPA single package authentication, and data interaction channel is established according to the access trust value calculated by trusted proxy gateway according to SPA authentication package;Real-time collection of access environment information is carried out by trusted environment perception center, and access trust value is dynamically updated to adjust the access control strategy, and the data interaction process of control access terminal and service data end is adjusted.The method adjusts the accessible service data in real time by risk assessment of user behavior in combination with real-time environment perception and dynamic strategy control, and effectively achieves the early warning disposal of service data interaction in combination with the SPA single package access technology, to minimize the harm of risk intrusion.

The present invention discloses a multi-channel signal real-time monitoring and access system with flexible scalability, which relates to the field of signal transmission, reception and access technology. The system includes an interconnection calculation matrix and a data access unit, wherein the interconnection calculation matrix is ​​an N1-element interconnection calculation matrix or an N M The meta-extension interconnected computing matrix can be expanded. On the one hand, by expanding the connection relationship between the interconnected computing matrix levels, between the interconnected computing matrix and the interconnected computing matrix, and between the computing units within the interconnected computing matrix, the larger the scale of the computing matrix, the larger the total computing power and storage space, thereby adapting to real-time signal analysis, data recording and data playback with different numbers of channels. On the other hand, by designing decoupled computing units and data access units, it can be flexibly configured according to the channel and capacity requirements of analog signals, digital signals and disk playback, thereby reducing overall costs.

This invention discloses a data security access control method based on an IoT platform, relating to the field of secure access technology. It includes a dynamic threat assessment step, which determines data risk by analyzing the behavioral sequence of the data parsing process. Specifically, for a specified data type, based on the parsing behavior of historical harmless data samples, a baseline of normal behavior sequence is constructed and its corresponding normal behavior ratio range is determined. Then, the current data to be assessed is parsed, and the real-time behavioral sequence generated during the parsing process is monitored and recorded. This invention overcomes the limitation of traditional access control that only manages who can access the data. By introducing a dynamic threat assessment engine into the access link, it performs in-depth behavioral analysis on the accessed data content itself, constructing a subject-object two-way security system that can effectively defend against data reverse intrusion attacks launched using legitimate data channels.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The method may be performed by a device. In certain configurations, the device provides a distributed device cloud function (DDCF) for handling communication for the device with one or more neighboring devices in a network via underlying access technologies. The device obtains a network address from the network or from an AP. The DDCF is configured to allow dynamic sharing of compute resources and network connectivity resources of the device with the neighboring devices in the network.