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13059 results about "Information transfer" patented technology

In telecommunications, information transfer is the process of moving messages containing user information from a source to a sink via a communication channel. In this sense, information transfer is equivalent to data transmission which highlights more practical, technical aspects.

Ai agent decision platform with deontic reasoning and quantum-inspired token management

A system and method for extending AI-enhanced decision platforms with deontic and normative reasoning capabilities that enhance adjustably autonomous decision-making through a novel integration of symbolic and neural approaches alongside quantum-inspired token management. The invention uses hierarchical and fuzzy deontic logic implementations and quantum-inspired state representations that combine complex amplitudes and phase information to manage obligations, permissions, and prohibitions while maintaining observer awareness to achieve complex goals while incorporating knowledge across multiple expert domains. The system employs dynamic event and spatio-temporal knowledge graphs along with debate mechanisms, enabling high-assurance automated reasoning while preserving explainability through neuro-symbolic integration and information-theoretic metrics. The platform is capable of operating through a federated distributed computational graph architecture that allows for arbitrary scaling while maintaining system coherence and logical consistency using quantum-inspired token operations and phase alignment transformations for optimizing information transfer between states.
Owner:QOMPLX INC

Method and system for processing data based on large language model

The invention relates to the technical field of data processing, in particular to a method and system for processing data based on a large language model.The method comprises the following steps that based on inter-sentence punctuation positioning and part-of-speech tagging, sentence blocks are divided to generate functional partitions, themes and relational words are extracted to judge semantic chain starting points, a trigger index sequence is constructed, and logic jump points and breakpoint positions are recognized; and mapping the label structure to the language model output analysis deviation, and generating a label mapping combination list. According to the method, semantic turning nodes can be captured by analyzing the semantic direction change trend, the relation between the semantic turning nodes and verb and noun combinations is judged, the position of a trigger point of an actual information transfer effect is extracted, and the break point area of a semantic path is recognized through the positioning of key word starting and stopping blocks and the logical judgment of noun group cross combination; the path integrity has a clear fracture identifier, a traceable semantic mapping structure path is established in a language model, and the accuracy, coherence and hierarchy clearness of semantic reconstruction are enhanced.
Owner:BEIJING SHENZHOU BANGBANG TECH SERVICE CO LTD

Encryption transmission method and system of wireless information transmission communication base station

The invention provides an encryption transmission method and system of a wireless information transmission communication base station, relates to the technical field, discloses the encryption transmission method of the wireless information transmission communication base station, and belongs to the technical field of wireless communication. The method comprises the following steps: receiving a communication signal and extracting identity authentication information and a signal characteristic parameter; performing identity authentication scoring based on a deep neural network, performing signal feature scoring through spectral analysis, and constructing a communication security assessment model; a key pair is generated by adopting an elliptic curve cryptographic algorithm, and data is encrypted after being subjected to confusion transformation and diffusion transformation; transmitting a key by using a quantum key distribution technology; and selecting an optimal transmission channel based on the operation state data of the communication base station, and performing data transmission by adopting interleaving coding and adaptive power control technologies. According to the invention, the security and transmission reliability of wireless communication are improved, and the anti-interference capability is enhanced.
Owner:JIANGSU JIYU TECHNOLOGY CO LTD

Method and device for uplink transmission / reception in wireless communication system

A method and a device for uplink transmission / reception in a wireless communication system is disclosed. According to one embodiment of the present disclosure, a method by which a terminal performs uplink transmission in a wireless communication system may comprise the steps of: transmitting, to a base station, information related to a time reference adjustment value, on the basis of a predetermined threshold value for the time reference adjustment value; and performing uplink transmission on the basis of the information related to the time reference adjustment value.
Owner:LG ELECTRONICS INC

Intelligent digital operation and maintenance management system and method for charging pile

The invention discloses an intelligent digital operation and maintenance management system and method for a charging pile, and relates to the technical field of new energy infrastructure operation and maintenance, and the system comprises an information obtaining module which determines a delay information circulation channel, obtains real-time discussion content, processes a discussion text through employing a word segmentation technology, and carries out the operation and maintenance of the charging pile. If the confidence coefficient of the semantic feature vector is higher than a preset threshold value, the semantic feature vector is judged to be a specific question type through state space definition, classified question labels are obtained, the historical matching module obtains features associated with a historical question library, historical question records are matched, and the matching precision is evaluated through reward function design. Determining a historical solution most similar to the current problem; according to the intelligent digital operation and maintenance management system and method for the charging pile, the accuracy of problem classification and solution matching is continuously improved, and intelligentization and high efficiency of operation and maintenance management of the charging pile are achieved.
Owner:YANTAI STATE GRID ZHONGDIAN ELECTRIC CO LTD +1

Data encryption communication method and system applied to intelligent cash register

The invention relates to the technical field of encryption communication, in particular to a data encryption communication method and system applied to an intelligent cash register. The method comprises the following steps: collecting user touch data and equipment hardware fingerprints, and carrying out high-dimensional feature fusion coding to obtain a joint identity certificate; obtaining an original key negotiation protocol and transmission metadata of an opposite-end server, and executing multi-logic path mapping and channel encryption configuration to obtain distributed ciphertext channel parameters; encrypting the distributed ciphertext channel parameters and the corresponding transmission metadata, and then performing block content packaging and node hash calculation to obtain an audit chain hash block; performing homomorphic encryption processing on the obtained real-time transaction data to obtain a to-be-transmitted homomorphic ciphertext; and performing communication transmission anomaly detection on information transmission data acquired in real time, and triggering dynamic key re-negotiation so as to improve the communication feedback capability. According to the invention, the overall security and stability of data encryption communication between the cash register and the back-end server can be improved.
Owner:SHENZHEN DODONEW TECH CO LTD

Containerized resource dynamic allocation method for power distribution network system and electronic equipment

The invention discloses a containerized resource dynamic allocation method for a power distribution network system and electronic equipment. The method comprises the following steps: judging that resource use data is greater than a preset resource threshold value by monitoring the resource use condition of each physical node in a power distribution network system; if yes, calculating a load balancing index of each physical node, and generating a container migration task list based on the load balancing index, the service priority and the service quality requirement information; packaging container data corresponding to the to-be-migrated container in the migration task list, and determining container state snapshot information and network connection information of the to-be-migrated container; establishing a secure channel between the source node and the target node based on the network connection information, and transmitting container data and container state snapshot information of the source node to the target node; reconstructing a container operation environment on the target node, and generating a target container; and suspending the to-be-migrated container on the source node, and activating the target container on the target node. And efficient migration of the container is realized.
Owner:GUANGZHOU KETENG INFORMATION TECH

Emergency communication and positioning system and method based on Beidou satellite

The invention discloses an emergency communication and positioning system and method based on a Beidou satellite. The method comprises the following steps: S1, collecting data in real time; s2, analyzing the emergency state of the user by using a context awareness algorithm; s3, under the condition that the satellite communication signal is stable, transmitting the emergency information to a rescue center according to the calculated priority, if the satellite signal is unstable or interrupted, constructing a self-organizing network, and continuing to transmit the emergency information; s4, dynamically selecting an optimal path based on an adaptive path optimization algorithm inspired by an immune system, and further optimizing path selection through a space-time perception algorithm; s5, according to a priority management mechanism, the emergency information with high priority is processed preferentially, and feedback information is sent; s6, if the first emergency information transmission fails, the system starts a redundant data transmission mechanism; and S7, continuously tracking the state change of the user, and dynamically adjusting the rescue scheme. According to the invention, the situation awareness and immune system optimization algorithm is combined to realize efficient transmission and feedback of emergency information.
Owner:GUIZHOU JUNCHUANG JUWEI NETWORK TECH CO LTD

Enhanced multi-compartment logistics receptacle apparatus, systems, and methods for receiving and temporarily maintaining a delivery item and causing a backend server to initiate a dispatched logistics operation

An enhanced multi-compartment connected logistics receptacle system includes a storage receptacle, a bridge node, and wireless accessory sensor node with a plurality of sensors. A first subset of the sensors is disposed relative to a first monitored receptacle compartment and a second subset of the sensors is disposed relative to a second monitored receptacle compartment. The plurality of sensors monitor for a change in state of the storage receptacle. The wireless accessory sensor node detects the storage receptacle's state change based upon sensor data and broadcasts a signal with a flag set indicating there is event information available for upload. The bridge node detects the flag set, retrieves the event information available for upload from the wireless accessory sensor node, and transmits the retrieved event information to a backend server to cause the backend server to initiate a dispatched logistics operation related to the storage receptacle.
Owner:FEDERAL EXPRESS CORP

Information transmission method and apparatus

An information transmission apparatus includes: a receiver configured to receive a capability query request of AI / ML transmitted by a network device; and a transmitter configured to feed back a capability query response or report to the network device according to the capability query request.
Owner:1FINITY INC

Construction method and device of turbidity test system based on photoelectric detector

The invention belongs to the technical field of water quality monitoring, and particularly relates to a construction method and device of a turbidity testing system based on a photoelectric detector. Optical signal data and multi-wavelength optical signal data are obtained; performing intelligent switching and spectrum matching according to the signal data, determining a target wavelength, and obtaining characteristic parameters related to turbidity by combining a scattering and transmission combined measurement principle; measuring different standard solutions according to the characteristic parameters to obtain corresponding characteristic parameters, constructing a turbidity characteristic parameter data set, and establishing a characteristic ratio turbidity calibration model according to the data set; measuring and calculating the turbidity according to the characteristic ratio turbidity calibration model in combination with a dynamic temperature compensation algorithm, and meanwhile, performing temperature compensation; and transmitting the parameter information to a cloud database for storage, performing hierarchical processing, performing regular intelligent self-inspection at the same time, and feeding back abnormal data when an abnormality occurs. Therefore, the problems of insufficient range coverage, weak automatic calibration capability, susceptibility to temperature drift and the like in the prior art are solved.
Owner:SHANXI UNIV

Vehicle-mounted ad hoc network security communication system and method based on NTRU lattice cryptosystem

The invention belongs to the technical field of digital information transmission, and relates to a vehicle-mounted ad hoc network security communication system and method based on an NTRU lattice cryptosystem, and the system comprises a message signature module, a message encryption module, a message decryption module, an identity authentication module, and a key exchange module. The message signature module carries out signature by utilizing a private key and a random polynomial dynamically generated by a pseudo-random number generator based on an NTRU lattice cryptosystem; the message encryption module encrypts a to-be-sent message by randomly selecting a temporary polynomial and combining a public key of a receiver; the message decryption module is used for decrypting the received ciphertext # imgabs1 # by using a private key and an inverse element # imgabs0 # of a module p of the private key; the identity authentication module is used for performing identity authentication; the key exchange module realizes secure key exchange between communication nodes in the vehicle-mounted ad hoc network through an improved Blom key distribution protocol. The system improves the security and communication efficiency of the vehicle-mounted network.
Owner:CHANGCHUN UNIV OF TECH

System and method for breakage early warning of high-voltage transmission lines based on acoustic prints

A system for breakage early warning of high-voltage transmission lines based on acoustic prints, including a data acquisition unit, an edge processing unit, a cloud server, a warning execution unit, and a communication unit. The data acquisition unit is configured to collect environmental information of a high-voltage transmission tower in real time through a multimodal sensing device. The edge processing unit includes an adaptive filtering module configured to eliminate wind noise interference in the environmental information and compensate for frequency response deviation. The cloud server can generate a warning instruction based on the environmental information. The warning execution unit can perform warning and alarming actions based on the warning instruction. The communication unit is configured to enable data and information transmission among the units. A method implemented by such system is also provided.
Owner:ZHEJIANG UNIV OF SCI & TECH

Anonymization in a low power physical asset tracking system

Systems and methods are described for transmitting broadcasts by Peripherals, receiving the broadcasts by Centrals, and communicating with a Backend by Centrals. Specifically, a Peripheral may generate and transmit an encrypted broadcast packet to a Central, the Central may transmit the encrypted observation information to the Backend, which may decrypt the broadcast packet. Additionally, a Central may transmit a request for authorization to connect to a Peripheral to the Backend. If authorized by the Backend, the Central may connect to the Peripheral. Further, a Central may receive a plurality of broadcasts over a period of time. The Central may store information about the broadcasts and, at the conclusion of the period of time, transmit the information about the broadcasts and the last-received broadcast to the Backend.
Owner:SAMSARA INC

Information transmission device based on multi-protocol dynamic conversion and data fusion and implementation method

The invention provides an information transmission device and implementation method based on multi-protocol dynamic conversion and data fusion, and belongs to the technical field of information transmission, and the device comprises a multi-protocol communication interface module, a data analysis unit, a dynamic protocol conversion engine, a data fusion unit, a data assembly reporting unit and a log storage module. According to the method, information transmission is realized by initializing an interface, analyzing multi-protocol original data, dynamically converting the multi-protocol original data into a uniform format, fusing de-duplicated data, packaging, reporting and recording logs. The device and the method solve information interaction obstacles of different protocol devices, support bidirectional conversion of multiple industrial protocols, realize cross-protocol device collaboration and centralized management, improve the system intelligence level, and are suitable for scenes requiring multi-device collaboration, such as electric power, intelligent transportation, intelligent buildings and the like.
Owner:CHINA SOUTHERN POWER GRID INTERNET SERVICE CO LTD

Unmanned vehicle formation cooperative hunting method, device and equipment based on pilot following, and medium

The invention discloses an unmanned vehicle formation cooperative hunting method, device and equipment based on pilot following, and a medium, and relates to the technical field of multi-agent control. The method comprises the following steps: determining role division of a leading vehicle and a following vehicle, planning a path by the leading vehicle through an improved fast random exploration tree algorithm, sending the path and a control strategy to the following vehicle in stages, dynamically adjusting the position and speed by the following vehicle according to an instruction, ensuring formation consistency and task execution, and realizing information sharing between unmanned vehicles through a communication network. The pilot vehicle broadcasts a path and a task instruction in real time, and the following vehicles receive and analyze the path and the task instruction and then dynamically adjust the motion trail, thereby ensuring the cooperative consistency of the formation and the efficient stability of information transmission; each vehicle executes a hunting task according to a task instruction and adjusts a motion track and speed in real time, the following vehicle keeps a formation according to a path instruction, the pilot vehicle dynamically adjusts a global path according to environment change and a target position, the instruction is updated in real time through a communication network, and finally effective hunting and capturing of a target are realized. The method is suitable for a target hunting task in a complex environment, and reliable technical support is provided for a multi-target complex scene.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

5GS assisted adaptive ai or ML operation

Method and apparatus for 5GS assisted adaptive AI or ML operation are disclosed. In one embodiment, an SMF comprises a processor; and a transceiver coupled to the processor, wherein the processor is configured to: receive, via the transceiver, app assistant information from a NG-RAN node, wherein the app assistant information includes at least one of predicted UL data rate of UE and predicted DL data rate of UE; and transmit, via the transceiver, the app assistant information to an AF.
Owner:LENOVO (BEIJING) LTD

Energy storage cabin terminal remote upgrading method and system based on communication protocol optimization

The invention provides an energy storage cabin terminal remote upgrading method and system based on communication protocol optimization, and relates to the technical field of digital information transmission, and the method comprises the steps: deploying a bandwidth detection mechanism, adjusting a self-adaptive block transmission strategy, and dividing upgrading firmware into M dynamic data packets; constructing a dual-path transmission layer, and configuring a dual-path redundancy check mechanism; a missing block query rule is adopted, and a local flash memory is used for caching Hash check values of the received N dynamic data packets; analyzing a mapping relation between the block index and a multi-path redundancy check mechanism, and establishing a check mapping table; and performing real-time verification and state marking, and configuring a remote upgrading process to execute the upgrading operation of the energy storage cabin terminal equipment after incremental recombination is performed by comparing and verifying abnormal data packets. According to the invention, the technical problem of insufficient reliability of data transmission caused by lack of adaptability to a dynamic network environment due to the fact that most of energy storage cabin remote upgrading technologies in the prior art depend on a single communication path to carry out data transmission is solved.
Owner:NANTONG GOTION NEW ENERGY TECHNOLOGY CO LTD

Oil depot whole-process comprehensive management monitoring method and system

The invention discloses an oil depot full-process comprehensive management monitoring method and system, particularly relates to the field of oil depot full-process comprehensive management monitoring, and aims to solve the problems that data correlation analysis among different links is insufficient, and potential systematic risks are difficult to comprehensively identify and predict. A transfer entropy method is introduced into upstream real-time data and historical association mapping, information transmission strength between upstream and downstream key parameters is quantitatively analyzed, and an effective causal link is established; in combination with dynamic time warping and synchronous entropy correlation degree quantity, trace deviation characteristics are matched with downstream key parameter cluster information, and a deviation propagation path is accurately drawn; strictly judging a non-stationary conduction trend from the aspects of time and structure by using a multi-scale complexity increment index and cluster structure change measurement; on the basis, a mixed integer nonlinear programming optimization model is adopted, a downstream link pre-intervention strategy is quantitatively formulated, and efficient solving of parameter adjustment and early warning signal level decision is achieved.
Owner:中国石化销售股份有限公司

Method and apparatus for handling measurement prediction in a wireless communication system

A method and apparatus for handling measurement prediction in a wireless communication system is provided. A wireless device derives, at a first time point, a predictive measurement result for a measurement object for a second time point. A wireless device transmits, to the network, information about the predictive measurement result. A wireless device acquire a present measurement result by performing measurement on the measurement object at the second time point. Based on difference between the predictive measurement result and the present measurement result, a wireless device transmits information about the difference to the network.
Owner:LG ELECTRONICS INC

Electric heating gas state information transmission cooperative power grid energy disturbance suppression method

The invention provides a power grid energy disturbance suppression method for electric heating gas state information transmission collaboration, and relates to the technical field of information, and the method comprises the steps: obtaining multi-source heterogeneous state information of an electric heating gas energy network; aiming at the multi-source heterogeneous state information, dynamically converting a heterogeneous communication protocol into a unified protocol format by adopting a self-adaptive communication protocol conversion technology; and for the decoupled state information, parallel processing is carried out by adopting a distributed stream computing framework, so that the real-time performance and expandability of state information processing are improved. A distributed stream computing framework is adopted to construct an efficient processing assembly line, the block chain technology is utilized to guarantee the integrity and reliability of data transmission, a deep learning algorithm is applied to construct an intelligent analysis model, a multi-energy-flow coupling relationship and an evolution law are mined, and a multi-energy-flow analysis result is obtained. According to the method, data processing results of all links are fused to form a global state information view, decision support is provided for power grid energy disturbance suppression, and efficient processing, analysis and visualization of the state information of the electric heating gas multi-energy flow system are achieved.
Owner:EAST INNER MONGOLIA ELECTRIC POWER COMPANY +2

Joint operation of deferred SPS HARQ-ACK and cell switching

A user equipment (UE) is described. The UE may include receiving circuitry configured to receive a first radio resource control (RRC) message comprising first information used for configuring a Semi-Persistent Scheduling (SPS) physical downlink shared channel (PDSCH) configuration, to receive a second RRC message comprising second information used for configuring that deferring of SPS hybrid automatic repeat request-acknowledgement (HARQ-ACK) is supported, to receive a third RRC message comprising third information used for configuring cell switching (based on semi-static configuration and / or dynamic indication), and to receive, based on a detection of a physical downlink control channel (PDCCH) carrying a downlink control information (DCI) format with cyclic redundancy check (CRC) scrambled by a first radio network identifier (RNTI) for an activation of the SPS PDSCH, the SPS PDSCH transmission. The UE may also include transmitting circuitry configured to transmit HARQ-ACK information and configured to defer the HARQ-ACK information transmission.
Owner:SHARP KK

CNN (Convolutional Neural Network)-oriented mobile edge computing dynamic unloading method and equipment medium

The invention discloses a CNN (Convolutional Neural Network)-oriented mobile edge computing dynamic unloading method and equipment medium, and the method comprises the steps: obtaining image task data, equipment state data and network state data in a communication, sensing and computing integrated system, and forming a data set; the method comprises the following steps of: constructing a general-inductance-calculation integrated system model, and converting the general-inductance-calculation integrated system model into a calculation task segmentation and resource allocation problem for a calculation task; a Markov decision model is constructed; a joint optimization strategy based on a multi-agent deep reinforcement learning algorithm is adopted, and a neural network parameter model meeting a termination condition is obtained through training image task data and network state data; deploying the trained neural network parameter model into the system; and generating a calculation task segmentation decision and a calculation resource allocation decision according to the real-time data, and transmitting decision result information to each node to realize unloading of the calculation task. According to the invention, smooth execution of the calculation task is realized under the condition of shortage of network environment and network resources.
Owner:JIMEI UNIV

Enhanced connected logistics receptacle apparatus, systems, and methods that selectively retrieve and report event information to a backend server to initiate a dispatched logistics operation related to a delivery item

An enhanced connected logistics receptacle system that selectively retrieves and reports event information to a backend server to initiate a dispatched logistics operation related to a delivery item. The system includes a storage receptacle for receiving the delivery item, a bridge node mounted to the storage receptacle, and a wireless accessory sensor node coupled to a plurality of sensors. The wireless accessory sensor node is operative to detect a change in state of the storage receptacle based upon sensor data, record timestamped information reflecting the detected change in state, and broadcast an updated advertising signal having a data available flag set within the updated advertising signal. The bridge node processor is operative to detect the data available flag, selectively retrieve event information from the wireless accessory sensor node, and transmit the retrieved event information to the backend server to cause the backend server to initiate the dispatched logistics operation.
Owner:FEDERAL EXPRESS CORP

Method and device for transmitting and receiving signals in wireless communication system

The disclosure relates to a method and apparatus for transmitting and receiving signals in a wireless communication system. A user equipment (UE) according to an embodiment of the disclosure may receive information about a resource for uplink (UL) control information transmission and MA signature configuration, determine based on the resource for UL control information transmission whether the resource allocated for the UL control information transmission overlaps a resource allocated for UL data transmission, determine whether to multiplex the UL control information when it is determined that the resource allocated for the UL control information transmission overlaps the resource allocated for UL data transmission, and based on a result of the determining, multiplex the UL control information with UL data based on the information about the MA signature configuration and transmit a result of the multiplexing.
Owner:SAMSUNG ELECTRONICS CO LTD

Information encryption method for wireless electronic countermeasure

The invention discloses an information encryption method for wireless electronic countermeasure, and relates to the technical field of wireless transmission. According to the method, the wireless channel state is monitored in real time, the channel quality evaluation model is established, and the adaptive frequency adjustment algorithm and the cognitive radio technology are combined, so that whether the channel meets the communication quality requirement or not can be accurately judged, the influence of interference and attack on communication is effectively avoided, the continuity and stability of the communication process are ensured, and the communication quality is improved. The adaptability and the reliability of a communication system in a complex electromagnetic environment are remarkably improved, the quantum key is generated based on an encryption communication protocol of quantum key distribution, extremely high security of the key is ensured, communication data are difficult to crack in the encryption transmission process, security threats such as eavesdropping and tampering are effectively resisted, and the security of the communication system is improved. And through a secret key pre-distribution mechanism and a secret key updating process, the insufficient secret key distribution rate and the potential security risk are dealt with, the security of communication is further enhanced, and the confidentiality and integrity of information transmission are ensured.
Owner:GUANGZHOU XINCHUANG HANGYU ELECTRONIC TECH CO LTD

Intelligent pressure management system, method and terminal for geological storage of carbon dioxide

The invention provides an intelligent pressure management system, method and terminal for geological sequestration of carbon dioxide, and the system comprises the steps: collecting the pressure data of the interior and peripheral key positions of each geological reservoir in real time through a pressure monitoring subsystem, and then carrying out the data preprocessing and feature extraction through a data processing and analysis subsystem; and predicting the reservoir pressure change trend in a specific time period in the future. If the predicted reservoir pressure change trend pressure is too high, high-risk related information is transmitted to the intelligent regulation and control subsystem, and the intelligent regulation and control subsystem regulates and controls the reservoir pressure by regulating the flow of a carbon dioxide injection well and a production well or starting a pressure release device according to a preset strategy and dynamically regulates a regulation and control mode according to pressure data. Meanwhile, the communication and monitoring subsystem transmits system operation data to a remote monitoring terminal in real time, so that real-time monitoring is facilitated. Real-time, accurate and automatic regulation and control of the pressure of the geological reservoir are achieved, the stability and safety of the geological reservoir in the carbon dioxide injection process are guaranteed, the geological storage effect of the carbon dioxide is improved, and various negative effects caused by too high pressure are avoided.
Owner:SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI

Multi-band processing system for electronic communication

The invention relates to the technical field of information transmission, in particular to a multi-band processing system for electronic communication, which comprises a signal separation module, a frequency deviation compensation module, an amplitude correction module, a phase correction module and a dynamic feedback adjustment module. According to the invention, a plurality of frequency bands are extracted to execute band-pass filtering to separate signal components, short-time power spectral density is calculated to describe energy distribution, normalization coefficient operation is carried out to enhance frequency domain balance, high-energy component screening is carried out to reduce noise interference, signal effectiveness is improved, and frequency offset compensation calculates a change rate based on adjacent phase data and eliminates abnormal fluctuation. A time domain coefficient is adjusted to correct a frequency offset error, amplitude correction depends on short-time Fourier transform to screen the maximum amplitude to optimize signal consistency, phase adjustment fits a group delay error curve to optimize compensation parameters, dynamic feedback optimizes a strategy according to a signal-to-noise ratio to enhance compensation precision, and signal transmission quality and stability are improved.
Owner:ZHEJIANG ELECTROMECHANICAL VOCATIONAL & TECH COLLEGE

Security risk assessment system and method based on Internet of Things

InactiveCN119135436AComprehensive understanding of vulnerabilityprotect dataSecuring communicationThe InternetTransmission technology
The invention discloses a security risk assessment system and method based on the Internet of Things, and relates to the technical field of digital information transmission. According to the security risk assessment method based on the Internet of Things, whether hardware equipment can work normally or not is judged, and if the hardware equipment cannot work normally, early warning prompt is carried out; if the hardware equipment can work normally, evaluating the vulnerability degree of the Internet of Things platform; according to the method, the security risk of the Internet of Things platform is evaluated, the security risk level is obtained, and equipment faults and potential security vulnerabilities are found in time through systematic hardware and software evaluation. By judging the normal working state of hardware equipment, early warning can be effectively carried out, occurrence of security events can be reduced, and the vulnerability degree, the recovery capability and the data security of the platform can be comprehensively known, so that scientific risk level assessment is provided for enterprises, the enterprises are helped to formulate corresponding security measures and optimization strategies, security risks are effectively reduced, and the safety of the enterprises is improved. And the user data and privacy are protected.
Owner:SHAN DONG BA JUN TONG XIN KE JI YOU XIAN GONG SI

Method for transmitting and receiving demodulation reference signal in wireless communication system and device therefor

A method for receiving a DM-RS by a user equipment (UE) in a wireless communication system is disclosed, compises receiving activation information; transmitting feedback information on the activation information; receiving downlink control information (DCI) including i) a transmission configuration indication (TCI) field and ii) an antenna port field; and receiving the DM-RS based on the DCI, wherein the activation information includes information related to mapping of a code point of the TCI field and a TCI state, wherein based on the TCI field indicating a code point mapped with a plurality of TCI states, and the antenna port field indicating antenna ports of a plurality of code division multiplexing (CDM) groups, a first TCI state among the plurality of TCI states corresponds to a CDM group associated with a first antenna port based on an instruction order of the antenna ports.
Owner:LG ELECTRONICS INC