672 results about "Signal interaction" patented technology

The invention provides a TCP / UDP (Transmission Control Protocol / User Datagram Protocol) collaboration-based video stream low-delay transmission and real-time decoding rendering method. The method comprises the following steps of: carrying out connection management and signaling interaction; the sending end captures data for coding, and dynamically captures screen content; synchronizing the collected multi-source data according to a timestamp, transmitting the data to an encoder, and preprocessing the data before transmission; a packaged data packet is sent according to a designed transmission protocol, after receiving the data packet, a receiving end analyzes and restores the data packet according to the protocol to obtain data format information, creates and initializes decoder parameters, and then sends a prompt that preparatory work is ready to wait for receiving video stream data to a sending end; video stream data in the data transmission process are transmitted through a TCP, and in the process of rendering and displaying frame data after the video stream data are received by a receiving end, hardware acceleration is performed by using an OpenGL and utilizing a GPU, and decoded frames are displayed on a screen in real time. The method has the advantages of low delay, high reliability, high rendering efficiency, cross-platform compatibility and the like.

The invention discloses a satellite switching method and system for an NTN high and low orbit fusion network, and the method comprises the steps: S1, UE obtains the position of the UE through a GNSS, reports the position to a source satellite, and obtains a candidate satellite list which is allowed to be accessed and measurement configuration from the source satellite; s2, the UE starts measurement after receiving the candidate satellite list, and updates the candidate satellite list according to a measurement result; s3, the UE measures all satellites in the updated candidate satellite list; and sorting the low earth orbit satellites and the geostationary orbit satellites meeting the conditions according to the measurement result and the candidate satellite information, and switching the satellites according to the sorting result. The method has the characteristics that the success rate and the communication continuity of UE conditional switching are improved, the switching decision delay and the signaling interaction load are dynamically reduced, and the cooperative advantages of LEO low time delay and GEO wide coverage are fully exerted.

Various aspects of the present disclosure relate to methods, apparatuses, and systems that support configuration for radio sensing. For instance, implementations provide for configuration of sensing-related nodes with knowledge of background environments related to specific radio sensing scenarios to assist in sensing receiver processing. Further, knowledge of features of a background environment can be used as assistance information for extracting sensing information for target objects, such as based on information pertaining to signal interactions between a background environment and target objects.

The invention provides an HIL simulation test system of a commercial vehicle domain controller. The system comprises an HIL system software platform, an HIL system simulation model, an HIL system simulation hardware platform and a vehicle body system special simulation assembly which are electrically connected. The HIL system simulation hardware platform is used for providing hardware support and executing the hardware-in-the-loop simulation test; the HIL system software platform is used for controlling a simulation test process, managing a test task and automatically generating an interface model; the HIL system simulation model is used for constructing a virtual test environment of a controller and performing signal interaction with the HIL system simulation hardware platform; the simulation assembly special for the vehicle body system is used for simulating vehicle body control, air conditioner control, gateway and vehicle control functions so as to improve the test coverage degree, and efficient development and iteration of a commercial vehicle domain controller are facilitated.

The invention provides a disease course record generation method and system based on a mobile terminal and multi-modal data, and the method comprises the following steps: firstly constructing a directional collection channel and a ward round session associated with a specific patient through the signal interaction between the mobile terminal and a sickbed; in the session, multi-modal data streams with timestamps, such as voice, images and operation instructions, are obtained in real time, and audio semantic anchor points and visual semantic anchor points are extracted from the multi-modal data streams. And constructing an image-text semantic unit by calculating and associating the audio and video anchor points of which the semantic similarity exceeds a threshold. And taking the unit as a current observation state, and verifying the legality of the state transition through a finite-state machine model. And based on the image-text semantic units passing the verification, template slot filling and term standardization are carried out, and a structured disease course record data packet is generated and written back to the HIS system. The method has the effect of improving the working efficiency and quality of clinical documents.

According to the WIFI mesh channel dynamic allocation method and device provided by the invention, the size and position allocation of the RU are intelligently adjusted by monitoring the network flow, the equipment density and the channel interference in real time, so that the channel resource utilization rate is improved; a four-dimensional candidate channel scoring model and a decision engine are adopted for channel allocation and interference prediction, millisecond-level RU dynamic scheduling is achieved, and the low-delay service requirements of AR / VR, 4K videos and the like are met; a global channel state is determined through signaling interaction and collaborative decision among Mesh nodes, and conflicts and performance bottlenecks caused by local optimization are avoided; and a Wi-Fi 6 / 6E / 7 RU flexible division mechanism is supported, different frequency bands and bandwidth configurations are adapted, and efficient access of heterogeneous equipment is ensured. In a word, according to the scheme disclosed by the invention, the problems of static property, low efficiency and interference in RU allocation in the existing WiFi Mesh network are solved, and high-reliability and low-delay intelligent channel resource management is realized through dynamic priority layering, service type adaptation and interference avoidance technologies.

The invention discloses an intelligent operation and maintenance monitoring and management platform for an energy station, and belongs to the technical field of energy station management systems. The problems that in existing operation and maintenance, equipment association is fuzzy, an acquisition strategy is solidified, fault root causes are difficult to position, and disposal is low in efficiency are solved. The equipment association modeling module integrates multi-dimensional data such as energy transmission and signal interaction, calculates a comprehensive coupling degree and divides grades, and generates a core equipment coupling relation matrix; the acquisition strategy optimization module dynamically adjusts the acquisition frequency of the acquisition strategy optimization module and associated equipment according to the importance degree and the running state of the equipment, and generates a time sequence associated data set; the fault diagnosis and root cause tracing module is used for constructing a three-dimensional fault conduction topological graph, accurately judging faults, quantifying levels, positioning root causes, outputting a diagnosis report and carrying out operation and maintenance according to hierarchical logic; according to the invention, equipment association quantification, intelligent optimization of an acquisition strategy and efficient fault full-link disposal are realized, the intelligence and refinement level of operation and maintenance of the energy station is improved, and stable operation of equipment is guaranteed.

The present application relates to the technical field of wireless communications, and discloses a resource allocation method, apparatus and device, a storage medium and a product, comprising: receiving a scheduling request signaling sent by a user equipment, and determining a signaling interaction time between the user equipment and a base station; sending an initial allocation signaling to the user equipment based on the scheduling request signaling and the signaling interaction time; determining target cache data according to the data cache state and a historical data cache state reported by the user equipment last time; and allocating uplink resources to the user equipment based on the target cache data, and sending a target allocation signaling corresponding to the target cache data to the user equipment. According to the method, multiple cache time slots are allocated to the user according to the signaling interaction time between the user and the base station, so that multi-thread uplink resource allocation is initiated, the user equipment can instantly report a data cache state to a satellite, and user data can be more instantly allocated with resources and transmitted.

The invention discloses an intelligent necklace for a shepherd based on multimode fusion positioning and a control method of the intelligent necklace. The intelligent necklace for the shepherd based on multimode fusion positioning comprises a necklace body of a strip-shaped structure. A multi-mode hybrid positioning unit, a dual-mode communication unit and a power supply unit are arranged on the necklace body; the multimode hybrid positioning unit is composed of a speed sensing module, a satellite positioning module, an inertial navigation compensation module and a UWB auxiliary positioning module, and is used for generating a positioning signal. The dual-mode communication unit is electrically connected with the multi-mode hybrid positioning unit, and signal interaction between the multi-mode hybrid positioning unit and the mobile terminal is realized through 4G / Cat-M1 and LoRa protocols; the power supply unit supplies power to the multi-mode hybrid positioning unit and the dual-mode communication unit.

The invention discloses a whole vehicle power hardware-in-the-loop simulation test system and method under a P2.5 + P4 hybrid architecture. The whole vehicle power hardware-in-the-loop simulation test system comprises a controller, a test cabinet and an upper computer system, the hybrid power gearbox control system is electrically connected with the high-voltage control system; the test cabinet is electrically connected with the hybrid power gearbox control system, the high-voltage control system and the upper computer system; the upper computer system comprises a management module, a signal interface module, a controller interface module and a virtual simulation vehicle module, the management module is connected with the test cabinet and the signal interface module, and the signal interface module is used for realizing signal interaction between the controller interface module and the management module; the controller interface module is connected with the signal interface module, the Soft ECU module and the power simulation module. Standardized development of the power simulation test system is realized, the modular design supports rapid adaptation of different vehicle type platforms and power architectures, and repeated development is reduced.

The invention discloses a communication method based on a wireless access network architecture. The method comprises the steps that a first network function receives a signaling transmission establishment request of UE through a third network function; the first network function establishes a first signaling with a third network function according to the establishment signaling transmission request; the first network function sends a signaling transmission instruction to the second network function; signaling interaction is established between the second network function and the third network function; wherein the first signaling is an access layer signaling established by the RAN and the UE, and the first network function and the second network function are mutually independent network functions in the RAN control plane. The method and the device are used for solving the technical problem that in the prior art, an RAN can only deploy a gNB-CU-CP which not only supports a UE wireless connection management function, but also supports a UE user plane data transmission management function, so that the cost is relatively high.

Provided are a satellite communication method, device and system, the method comprising: receiving first control information, the first control information comprising first position information and first time information, the first position information being used for indicating the position of a first area to be covered by a beam of a first network device, and the first time information being used for indicating the position of a second area to be covered by a beam of the first network device; the first time information is used for indicating a first time period; a first beam direction is determined according to the first position information and second position information, and the second position information is used for indicating the position of the first network device; and in the first time period, transmitting data along the first beam direction. Based on the method, the information carried by the control signaling can be simplified, and the satellite station can be controlled to realize a beam staring function on the beam position in a plurality of time periods based on the information, so that the signaling overhead caused by sending the control signaling by the network side is reduced, and the transmission pressure of signaling interaction of a communication system is relieved.

The invention relates to a service area division method, device and system, a processor and a storage medium. The method comprises the following steps: determining a to-be-processed area; performing region division on the to-be-processed region based on the service region division strategy to obtain a plurality of divided service regions; the service area division strategy is pre-configured by a distributed node in the distributed network architecture, a radio access network (RAN), user equipment or a target division granularity matched with the area characteristics of the area to be processed in the activity range of the user equipment; constructing a service area list based on the area information of the plurality of service areas; the service area list is used for being sent to the user equipment so as to perform service area pre-configuration on the user equipment and indicate that mobility registration updating and switching do not occur when the user equipment moves in a plurality of service areas in the service area list. By adopting the method provided by the invention, the user equipment can be prevented from frequently performing mobility registration updating, so that relatively large resource overhead and signaling interaction can be avoided.

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle homeward voyage method, device, equipment, medium and product, and the method comprises the steps: controlling a target unmanned aerial vehicle to homeward voyage and starting a second wireless communication module if the communication connection between the target unmanned aerial vehicle and a target hangar is detected to be disconnected; obtaining at least one piece of preset connection information; the preset connection information comprises a connection name and a secret key of the wireless access point; based on the at least one piece of preset connection information, wireless access point searching is carried out through the second wireless communication module until the second wireless communication module is connected with the wireless access point; and controlling the target unmanned aerial vehicle to enter a warehouse through signaling interaction of the wireless access point. According to the scheme, after the unmanned aerial vehicle depot is disconnected, the second wireless communication module can be started for wireless access point searching, so that the unmanned aerial vehicle depot allowing return flight is contacted, return flight operation of the target unmanned aerial vehicle is executed, and safe return flight and warehousing of the unmanned aerial vehicle after the communication module is damaged and the ground is disconnected are achieved.

The invention discloses an application method, system, equipment and medium of plant inspection navigation in a two-ticket intelligent management and control system based on AOA positioning, and belongs to the technical field of positioning navigation, and the application method comprises the following steps: setting a Bluetooth AOA transmitting base station and a Bluetooth AOA module positioning tag in an inspection area, carrying out signal interaction, and constructing an inspection space model; obtaining an interaction signal between the mobile Bluetooth transmitter and the Bluetooth AOA transmitting base station when an inspector carrying the mobile Bluetooth transmitter enters the inspection area, calculating the distance between the inspector and the Bluetooth AOA transmitting base station according to the signal intensity, and determining the real-time position of the inspector in the inspection space model; an inspection navigation route is generated according to the real-time position of the inspector, a preset inspection route and the work ticket information and the operation ticket information provided by the two-ticket intelligent management and control module; and when the inspector arrives at the inspection point and a preset card punching condition is satisfied, recording inspection card punching information and generating an inspection record. According to the invention, the inspection efficiency and safety are improved.

Provided are a communication method, system and related device, in the method, a terminal can perform reverse calculation of an uplink channel based on a first downlink CSI to obtain channel state information of the uplink channel, i.e., a first uplink CSI. In the application, measurement of the uplink channel is realized without a method of interacting an uplink reference signal between the terminal and the network device, but reverse calculation is performed on the uplink channel based on the reciprocity calibration result of the radio frequency channel of the terminal, measurement of the uplink channel is realized, and the first uplink CSI is obtained, so that signaling interaction can be reduced, and user experience is improved. And the measurement efficiency of the uplink channel can also be improved.

The invention provides a system platform and method for checking adjustment characteristics of a control system based on semi-physical simulation, and belongs to the technical field of power system control equipment detection. The system comprises an all-digital real-time simulation system (ADPSS), a water turbine governor to be tested, a physical interface communication module, a wave recording device and a signal interaction module. A full-electromagnetic example model constructed based on PSASP is built in the ADPSS, a closed-loop detection environment is constructed through the physical interface communication module and a water turbine governor to be detected, bidirectional signal transmission is achieved through the signal interaction module, and key parameters are recorded through the wave recording device. The method comprises the steps of simulation environment establishment, signal interactive transmission, multi-dimensional detection and check and result judgment and output. According to the method, multi-dimensional checking of the speed regulator acquisition and display function, the transfer function consistency, the grid-connected performance and the like and power grid stability influence verification can be completed without field installation, the coverage scene is comprehensive, the checking precision is high, and the method is suitable for performance detection of different types of speed regulators and has remarkable practical value.

The invention discloses a communication method, system and device. According to the technical scheme provided by the invention, a first access network device sends a switching request message about a terminal to a second access network device based on first switching time information, wherein the first switching time information comprises time corresponding to at least one access network device serving the terminal; and after receiving the switching request message, the second access network equipment communicates with the user plane function network element based on the switching request message and the core network tunnel information of the terminal stored in the second access network equipment. Therefore, signaling interaction related to the core network tunnel information between the second access network equipment and the core network equipment is reduced, and the switching efficiency of executing the switching process by the terminal is improved.

The invention discloses a steering-by-wire system based on cross-system signal detection and a design method of the steering-by-wire system, and belongs to the technical field of automobile steering control, the system comprises a steering execution motor, a steering execution motor controller, a steering gear, a steering road feeling motor, a steering road feeling motor controller, a steering domain controller and a cross-system signal detection module, the cross-system signal detection module performs signal interaction with the steering domain controller, the braking system and the driving system, and is used for collecting and monitoring the running state of each system in real time and collecting multi-system signals to the steering domain controller; the steering domain controller is used for generating control instructions of the steering execution motor and the steering road sensing motor according to the multi-system signal and the steering state feedback signal so as to complete steering. By designing real-time signal interaction of multiple systems, when a fault occurs, a fault source can be quickly diagnosed, a control strategy can be adjusted, and efficient fault diagnosis and redundant fault-tolerant control are realized.

The embodiments of the present application provide a message forwarding method, device and system, which relate to the field of communication technology and can improve the technical problem of more signaling interactions and longer switching delay when the existing session management network element modifies the PDU session. The method includes: the session management network element sends a path identifier to the first device; wherein the first device includes the access network element corresponding to the PDU session and the user plane network element corresponding to the PDU session; the PDU session corresponds to the first terminal; the path identifier is used to indicate the first path from the access network element to the user plane network element; the first path includes part or all of the second path, and the second path is the path corresponding to the PDU session established in advance by the session management network element for the second terminal; the session management network element also sends the identification information of the destination address corresponding to the path identifier to the first device; so that the first device carries the path identifier corresponding to the destination address in the data according to the destination address of the received data, and forwards it through the path corresponding to the destination address.

The invention discloses a solid engine shell dynamic loading self-adaptive control method and system, and the method comprises the steps: building an element-level model and a mathematical analysis model of a dynamic loading device for a multi-cylinder combined hydraulic loading device and a shell test piece combination; introducing uncertain factors including friction, leakage, pressure fluctuation and the like into the element-level model to simulate a real loading device, taking the real loading device as a test platform, and establishing a joint simulation interface for signal interaction between the test platform and the controller; based on the mathematical analysis model, generating a reference input signal by using a nonlinear sliding mode surface introducing an error integral power function and an exponential reaching rate to limit error convergence time, and establishing a reference model; and a neural network sliding mode controller is used to generate a compensation signal for uncertain factors existing in the test platform so as to eliminate a force output error between the reference model and the test platform. According to the invention, a predetermined output force track can be rapidly tracked, the test cost is effectively reduced, and the overall control performance is improved.

The invention provides an unmanned aerial vehicle cluster path planning control method, which comprises the following steps: obtaining initial position information of an unmanned aerial vehicle cluster and geometric requirements of target configuration, determining a target position of each unmanned aerial vehicle, the initial position information of each unmanned aerial vehicle in the unmanned aerial vehicle cluster comprising latitude and longitude information and height information, the height information is obtained by each unmanned aerial vehicle through a barometer parameter of the unmanned aerial vehicle, and the latitude and longitude information is obtained by signal interaction between the unmanned aerial vehicle and the ultra-wideband positioning system; generating a smooth path of the unmanned aerial vehicle cluster from the current configuration to the target configuration by adopting a dynamic path planning algorithm according to the target position and the initial position information; in the path execution process, the position change of the unmanned aerial vehicle is monitored in real time, whether a potential collision risk exists or not is judged, and the path is adjusted to ensure flight safety; if the unmanned aerial vehicle completes the target configuration transformation, stopping path adjustment, and keeping the current configuration stable; and new morphological transformation is completed according to task requirements.

The invention provides a payment method and a related device, and the method comprises the steps: when an electronic device is in a PICC (Proximity Intelligent Card) mode, for example, the electronic device is in the PICC mode in an unlocked state, the electronic device receives a first carrier wave sent by a collection device in a PCD (Proximity Coupled Device) mode through NFC (Near Field Communication), and the first carrier wave has a first coding feature; and after receiving the first carrier wave, the electronic equipment opens a PCD mode, carries out NFC signaling interaction with the collection equipment, and completes payment by using the first payment application and the collection equipment. Thus, the electronic device in the PICC mode can complete payment of the payment application through NFC interaction, payment in a mode required by a user can be completed without excessive operation of the user, and the efficiency of payment by using the electronic device by the user is improved.

The invention relates to the technical field of communication interaction, in particular to a displacement measurement method, a displacement measurement device, electronic equipment and a storage medium. The displacement measurement method provided by the invention is applied to first equipment, and comprises the following steps: based on communication connection with second equipment, determining a plurality of phase measurement value groups for performing signal interaction with the second equipment according to a plurality of signal frequencies at a plurality of moments; based on the phase measurement value group corresponding to the first moment, determining a first distance estimation value between the first moment and the second equipment; based on the first distance estimation value and the phase measurement value group corresponding to the second moment, determining a second distance estimation value between the second moment and the second equipment; and according to the second distance estimation value and the first distance estimation value, determining displacements with the second equipment at the plurality of moments. Dependence on external parameters or hypotheses can be reduced, so that the displacement determination process is more independent and reliable, and the accuracy of displacement change can be effectively improved.

The present application provides a communication method and system, and a related apparatus. In the method, a terminal can perform reverse calculation on an uplink channel on the basis of first downlink CSI to obtain channel state information, i.e., first uplink CSI, of the uplink channel. In the present application, it is not necessary to measure the uplink channel by means of a method of performing interaction on an uplink reference signal by means of the terminal and a network device; instead, reverse calculation is performed on the uplink channel on the basis of a reciprocity calibration result of radio frequency channels of the terminal to measure the uplink channel, so as to obtain the first uplink CSI. Therefore, signaling interactions can be reduced, and the measurement efficiency for the uplink channel can also be improved.

The invention provides an AI-driven multi-wireless-signal candid photographing detection device which comprises a mounting shell, a hardware acquisition layer, an edge computing layer, a cloud federation layer and a man-machine interaction layer, and all the layers achieve signal interaction through PCIe4.0 and SPI hardware interface communication protocols. The broadband patch antenna, the ceramic antenna and the helical antenna are adopted to cover a full target frequency band, the millimeter wave radar chip is matched, the 16 * 16 metamaterial RIS panel is additionally configured, and the weak signal receiving power is improved by synchronously controlling a reflection phase focusing signal, so that the problem of missing detection is solved; the multi-signal tensor decomposition unit and the CNN-LSTM signal classification unit construct frequency, intensity, time and phase four-order tensors, and overlapped signals are separated through Khatri-Rao space-time coding; a three-layer CNN and a two-layer LSTM are combined, precise classification of candid photographing signals is realized, the misjudgment rate is reduced, millimeter wave assisted precise distance measurement is combined with millimeter wave flight time data and an RSSI attenuation model, a distance measurement error is controlled through a dynamic weighting algorithm, and the problem of positioning misalignment is solved.

The invention discloses a real-time communication system, client equipment, a real-time communication method and a communication network. The real-time communication system comprises a webpage view subsystem which comprises a webpage real-time communication module and a view interface module; the native code subsystem comprises a native bridging module and a protocol processing module; and the operating system subsystem comprises a plurality of native interface modules. According to the real-time communication system, an interface generated after rendering of data generated based on a native code subsystem and an operating system subsystem is displayed through a view interface module for interface construction, media transmission and processing are achieved through introduction of a webpage real-time communication module, and signaling interaction is achieved through introduction of a protocol processing module. Through the system, the interface development efficiency can be effectively improved, the client development cost and technical barriers are reduced, and the cross-platform compatibility and media processing efficiency of real-time communication are improved.

The invention discloses a full-automatic efficiency testing device and method for a variable frequency motor. A main control part in the device comprises a human-computer interface, and a data acquisition module, an efficiency calculation module and a communication module which are connected with the human-computer interface; the data acquisition module is connected with the test bench and acquires the rotating speed and the torque of the motor; the efficiency calculation module is connected with the data acquisition module and calculates the power and efficiency of the motor; the communication module performs signal interaction with external equipment; and the human-computer interface is used for displaying and setting parameters. The load motor and the tested motor are independently controlled through the load frequency converter and the tested frequency converter respectively, the step length and range of a load torque factor and a motor rotating speed factor are flexibly adjusted, and various test requirements are met. The test method allows a user to set the duration of the test points as required, realizes automatic traversal of the test points, and significantly improves efficiency and precision.

The invention relates to the technical field of integrated control systems, in particular to an integrated control system and method for hollow filter stick forming equipment, and the method comprises the steps: taking an embedded controller for running a real-time operating system as a control decision module, and carrying out the unified execution of all control algorithms; an Ethernet protocol with microsecond-level period and precise clock synchronization is used as a real-time communication module to form a system backbone network; the execution and acquisition layer integrates a motion control module composed of a servo driver and a motor as a network slave station, a signal interaction module composed of a distributed I / O module, and a subsystem integration module formed by bridging a third party subsystem through a communication gateway. According to the system, all key units are deeply integrated into the same real-time network as slave stations, so that centralized management, real-time synchronization and refined closed-loop control of the whole system are realized.

The embodiment of the invention provides a communication method and device, a storage medium and a program product, relates to the technical field of communication, and is used for realizing signaling interaction among wireless access network units in a sensing process. The method comprises: a first unit of a radio access network receiving sensing configuration information from a second unit of the radio access network, the sensing configuration information comprising information required by the first unit of the radio access network to execute a sensing task.