5599 results about "Wireless" patented technology

Methods and apparatus for leveraging transfer learning of one Wireless Transmit / Receive Unit (WTRU) to benefit another WTRU are provided. One method may include the WTRU receiving AI / ML model configuration information indicating one or more AI / ML models available from the network node, a profile associated with the AI / ML models, and a training convergence threshold. Based at least on the profile(s), the WTRU determining that the one or more AI / ML models are not suitable for use by the WTRU, and sending first information indicating that the one or more AI / ML models are not suitable for the WTRU and / or that the WTRU will be training a local AI / ML model. The method may then include training the local AI / ML model according to the convergence threshold, receiving a request to transfer AI / ML model parameters, and sending an indication of the AI / ML model parameters associated with the trained local AI / ML model to the network node.

The invention provides a dynamic configuration computing resource management method and system based on a power wireless terminal, and the method comprises the steps: obtaining a real-time operation state data set and a power business demand data set of the power wireless terminal, and carrying out the multi-dimensional feature fusion processing of the real-time operation state data set and the power business demand data set; the method comprises the steps of generating a resource adaptation feature set, performing real-time strategy matching processing on the resource adaptation feature set based on a preset resource adaptation rule base, generating a computing resource configuration strategy set, performing adjustment operation on computing resources of the power wireless terminal, and generating a resource allocation verification result and terminal operation efficiency feedback data. And continuously comparing the terminal operation efficiency feedback data with a preset efficiency optimization threshold value, and carrying out iterative updating processing on the resource adaptation rule base according to a comparison result. According to the invention, accurate matching between computing resource allocation and power business demand fluctuation can be realized.

The invention relates to the technical field of wireless communication, and provides a radio frequency low-noise amplifier which comprises an input matching module, a power amplification module, an output matching module, an RC attenuation module and an RC feedback module, the first end of the first inductor serves as the input end of the output matching module, the first end of the first inductor is connected with the output end of the power amplification module, the control end of the switch and the first end of the first adjustable resistor, and the second end of the first inductor is connected with the first end of the second inductor and the first end of the third capacitor. The output end of the switch is connected with the first end of the first capacitor and the first end of the second capacitor. The second end of the second capacitor is connected with the second end of the first adjustable resistor and the second end of the second inductor and used for being connected with a power supply. The second end of the first capacitor is connected with the second end of the third capacitor and serves as the output end of the output matching circuit. The radio frequency low-noise amplifier is adjustable in gain, low in noise and good in linearity performance.

The invention relates to the technical field of wireless communication, and provides a radio frequency power amplifier and a radio frequency chip, the radio frequency power amplifier comprises an input matching circuit, a first-stage amplifier, a first inter-stage matching circuit, a second-stage amplifier, a second inter-stage matching circuit, a third-stage amplifier and an output matching circuit which are electrically connected in sequence; the radio frequency power amplifier further comprises a control module, a direct current power supply module, a first bias circuit, a second bias circuit and a third bias circuit. The first biasing circuit comprises a power detection network and a switch control circuit; the first input end of the power detection network serves as the first input end of the first bias circuit, the second input end of the power detection network serves as the second input end of the first bias circuit, and the power detection network is used for receiving a radio frequency signal, converting the radio frequency signal into a control voltage in a detection mode and outputting the control voltage to the input end of the switch control circuit. The control switch controls connection or disconnection of the circuit. According to the invention, the robustness of power can be improved.

The invention discloses a low-delay self-adaptive audio transmission method, system and device and a storage medium, and relates to the technical field of audio, and the method comprises the steps: dynamically recognizing an optimal transmission path in wireless dual bands based on an intelligent band detection and self-adaptive channel selection mechanism; decomposing the target audio data through a hierarchical coding algorithm, and executing self-adaptive adjustment of a differential transmission strategy and a quantization parameter; the dual-band performance is monitored in real time based on a load balancing algorithm, the decomposed transmission tasks are dynamically allocated, and path switching is triggered when it is monitored that the transmission quality of the current band is abnormal; the future buffer requirement is predicted based on a predictive buffer algorithm, the size of a buffer area is dynamically adjusted according to the actual playing condition and the network state change so as to ensure the playing continuity and minimize the delay, the technical bottleneck of traditional single-frequency wireless audio transmission is broken through, an effective frequency band coordination mechanism is realized, resource waste or transmission conflicts are avoided, and the transmission efficiency is improved. And the double-frequency advantage is fully exerted.

The invention relates to the technical field of intelligent power supplies, in particular to an intelligent power supply for an unattended station. Comprising a multi-source power supply scheduling unit; an intelligent energy storage management unit; a double-link communication unit; the double-link communication unit is used for constructing a multi-redundancy communication link of wired, wireless and power line carriers, and the double-link communication unit is based on link quality data, adopts an automatic switching strategy to guarantee data transmission continuity, preprocesses monitoring data by using an edge side data clustering algorithm, and realizes offline data caching and transmission flow optimization. Through a multi-source energy dynamic scheduling strategy, according to photovoltaic real-time output, commercial power time-of-use electricity price and load electricity demand, power supply paths of photovoltaic, commercial power and a storage battery can be dynamically optimized, the consumption proportion of clean energy is improved, the dependency degree of high-cost commercial power is reduced, a complex energy structure of photovoltaic, commercial power and storage battery multi-energy complementation is effectively adapted, and the energy utilization rate is improved. And power supply flexibility is enhanced.

The invention discloses an AGV (Automatic Guided Vehicle) scheduling system based on a soft bus protocol of a swan gap system and star flash wireless communication, and relates to the technical field of AGV scheduling planning, the AGV scheduling system comprises an AGV scheduling management center, and the AGV scheduling management center is in communication connection with a task management module, a communication connection management module, a global task collaborative planning module and a visual interaction module; and the task management module is used for receiving task requests, classifying, sorting and distributing tasks, and dynamically adjusting task priorities according to real-time production requirements and AGV states. According to the invention, low-delay and high-reliability communication between AGVs and between the AGVs and the scheduling management center is realized by the AGV scheduling system through a soft bus protocol of the swan Mongolian system and a star flash wireless communication technology, the communication delay is effectively reduced, the communication interruption caused by electromagnetic interference is avoided, the real-time performance of task scheduling and path planning is ensured, and the service life of the AGV scheduling system is prolonged. A solid guarantee is provided for stable operation of the AGV, and the overall response speed and reliability of the system are remarkably improved.

The invention discloses a high-temperature wireless temperature probe based on NTC lead time division multiplexing and a manufacturing method, and relates to the technical field of wireless temperature probes, and the high-temperature wireless temperature probe comprises a needle tube assembly, a ceramic insulating ring and a coaxial coupling connecting shaft which are connected in sequence; a PCBA board is arranged in the needle tube assembly, and an environment temperature sensor lead and a time division multiplexing circuit are integrated on the PCBA board and selectively connected with the radio frequency receiving and transmitting circuit or the RC charging and discharging temperature measuring circuit. At least two temperature sensors; the ceramic insulating ring is arranged at the joint part of the needle tube assembly and the coaxial coupling connecting shaft, and an inner cavity forms a closed cavity; the coaxial coupling connection shaft comprises a metal outer wall which forms a radio frequency signal ground and a metal inner conductor which forms a coaxial transmission structure with an environment temperature sensor lead. According to the high-temperature wireless temperature probe, mutual interference between the radio frequency function and the temperature sensing function of the wireless temperature probe is effectively eliminated, and the high-temperature wireless temperature probe with high-precision temperature measurement performance is provided.

The invention discloses a flexible control method for new energy grid connection, and relates to the technical field of new energy grid connection control. The method comprises the steps of obtaining grid-connected point electrical parameters through a self-measurement mode or a communication interface mode, performing harmonic feature extraction and compensation based on a deep learning network, and adopting a state estimation method to fuse multi-source data to estimate power grid parameters; and constructing a multi-objective optimization function including voltage quality, a power factor and harmonic suppression, dynamically adjusting a weight coefficient of the optimization function by using a swarm intelligence algorithm, and realizing inverter switching sequence optimization through multi-objective model prediction control. Through a dual-mode communication redundancy mechanism and local intelligent control, while a communication function of a traditional main link is reserved, a standby wireless communication link is introduced to realize real-time backup transmission of a control instruction, and through a local autonomous decision-making capability, the problem of control failure caused by a communication problem in a traditional scheme is fundamentally solved.

The invention relates to the technical field of electromyographic signal monitoring, and discloses a guided monitoring method and system based on a wireless surface electromyographic analysis feedback instrument. The method comprises the following steps: acquiring electromyographic signal time sequence data and limb movement track space coordinate information when a target muscle group moves through a multi-channel wireless surface electromyographic sensor; muscle activation intensity and fatigue change features are extracted, a joint activity angle change sequence is calculated, and a muscle-joint collaborative activity feature matrix is generated through space-time alignment fusion; analyzing signal transduction delay and amplitude matching degree in the matrix, and evaluating the nerve driving coordination level; according to the deviation from the preset standard mode, generating a real-time biological feedback signal containing an action correction instruction and a muscle activation intensity adjustment parameter; and converting into a tactile vibration mode and a visual guidance mark to be output. According to the method, synchronous acquisition and fusion analysis of multi-dimensional motion information are realized, and visual guidance is provided through multi-modal feedback.

Techniques for environment-based positioning and communication are disclosed. In some aspects, techniques include performing one or more positioning operations with respect to a user device in a wireless communication network, which may include obtaining first environmental information using one or more sensors of a wireless-enabled device; sending the first environmental information to a network entity of the wireless communication network; receiving first enhanced assistance data from the network entity, the first enhanced assistance data generated based at least on the first environmental information sent to the network entity; and performing the one or more positioning operations using the first enhanced assistance data received from the network entity, wherein the wireless-enabled device comprises the user device or a base station. In some aspects, techniques include improving communication in the wireless communication network, which may include receiving enhanced beamforming information from a network entity; and performing wireless communication using enhanced beamforming information.

The invention provides a real-time monitoring system and method for sorting of a digital twin-driven Delta mechanical arm. According to the system, firstly, a physical experiment platform is built, and a virtual model is built through SolidWorks, 3DMAX and Unity 3D. A communication framework is designed, and wireless communication of the PLC, the sensor, the mechanical arm, the conveying belt and the digital twin system is achieved. Positive and inverse kinematics analysis and Cartesian space trajectory planning are carried out on a Delta robot, and a related algorithm is packaged into an MATLAB function and compiled into a DLL library for C # calling. The system collects joint angle data in real time based on a rotary encoder, transmits the joint angle data to a digital twin system through an OPC UA protocol, and drives a virtual mechanical arm model after resolving, so that high-precision and low-delay virtual-real synchronous pose reconstruction is realized. In addition, the system also develops a collision detection function based on a bounding box algorithm, and performs visual detection by using camera calibration and a YOLO model.

The wireless RF semiconductor system is described for use in wireless communication devices that operate in frequency range from 6 GHz to 100 GHz. The system comprises of at least one RF antenna and at least one active RF component fabricated (or built) on the same semiconductor substrate inside a one single packaged module. The wireless RF semiconductor system is described in a variety of different configurations with its functionality divided up over several single chip circuits. The system simplifies assembly, reduces size and cost, and allows for a quick time to market, while maximizing the RF performance demanded by fixed and mobile 4G, 5G and other wireless standards.

A first wireless multi-link device (MLD) may include a transceiver configured to transmit a first frame to a first station (STA) of a second wireless MLD over a first link of a plurality of links after waiting for an amount of time during which the first STA switches from a listening mode over the first link to a frame exchange mode over the first link. The transceiver may determine whether the first STA is in a power save mode or an active mode, and can transmit, in response to determining that the first STA is in a power save mode, a second frame to a second STA of the second wireless MLD over a second link of the plurality of links without waiting for an amount of time during which the second STA switches from a listening mode over the second link to a frame exchange mode over the second link.

Techniques for handling vehicle privileges while changing geographical regions are disclosed. In some embodiments, a user equipment (UE) may be configured to, based on a determination that the UE is within a first geographical region associated with a first authority, receive first privilege information from a first wireless node within the first geographical region; based on a determination that the UE is within an overlapping region, operate the UE according to the first set of behavioral rules; and receive second privilege information from the second wireless node within the second geographical region, the second privilege information configured to enable the UE to operate according to a second set of behavioral rules determined by the second authority while within the second geographical region and not within the overlapping region.

The invention provides an anti-interference serial port communication method and system for an industrial-grade wireless module, and the method comprises the steps: collecting interference data in the serial port communication of the industrial-grade wireless module in real time based on a multi-dimensional interference feature collection module, and forming a multi-scale interference feature vector; inputting the multi-scale interference feature vector into a Mamba communication state space model fused with a CRC (Cyclic Redundancy Check) mechanism, and predicting a potential interference mode through linear complexity time sequence modeling; based on an adaptive weight transmission optimization function, carrying out dynamic weighting adjustment on the transmission parameters in the potential interference mode; wherein the transmission parameters comprise a baud rate, a data bit length, a verification mode and a retransmission strategy. According to the invention, hardware cost does not need to be increased, and the cost of anti-interference serial port communication is reduced; meanwhile, based on an adaptive weight transmission optimization function, dynamic weighting adjustment is carried out on transmission parameters in a potential interference mode, and interference dynamic changes are tracked in real time to carry out anti-interference communication.

The invention discloses a photovoltaic power generation intelligent control system of photovoltaic panels in an optical storage direct flexible system, and relates to the technical field of photovoltaic power generation, the intelligent control system comprises a plurality of photovoltaic panel assemblies, the plurality of photovoltaic panel assemblies comprise main node assemblies, one main node assembly is arranged every 5-10 groups of photovoltaic panel assemblies, and the main node assemblies are connected with the photovoltaic panel assemblies; the master node assembly is configured with a high-precision double-axis sun sensor and an edge calculation module and is responsible for collecting a solar azimuth angle, a current inclination angle of the assembly and environment temperature and humidity data in real time, and the slave node assembly is configured with a single-axis inclination angle sensor and adjusts a tracking angle by receiving a master node instruction. Specifically, a master-slave node heterogeneous design is adopted, the slave node only needs a single-axis tilt angle sensor and a wireless communication module, the hardware configuration number is reduced, and cost control is achieved. According to the method for photovoltaic panel tracking optimization, the control instruction quantity of the system is reduced, the central control pressure is remarkably reduced, and the problems of cost and complexity during large-scale application of photovoltaic panel tracking are solved.

The invention discloses an optical fiber and wireless fused power communication network fault intelligent switching and self-healing method, which comprises the following steps: constructing a multi-mode link health portrait, arranging four-in-one sensors at all nodes, and generating a health vector through edge calculation; mining a double-domain fault propagation chain, constructing a dynamic heterogeneous graph, and predicting fault propagation through memory attenuation GNN; pre-generating a hybrid redundant path, and selecting a main and standby path pair based on a game algorithm; establishing a programmable self-healing decision engine, and outputting an adaptive instruction; and zero-interruption service migration and closed-loop verification are realized. The method solves the problems of lack of physical constraints, insufficient dynamic adaptation and low efficiency of edge deployment in the prior art, and improves the reliability of the power communication network.

The invention discloses an industrial cutting machine wireless communication method based on multi-channel redundancy switching, which relates to the technical field of industrial cutting machine wireless communication, and comprises the following steps of: before a control instruction is written into a transceiving buffer area, executing label comparison operation on a target buffer area address according to a composite label in the control instruction; judging whether the address has a source conflict risk or not, and if so, stopping the current writing; and when writing is stopped, executing a buffer area address redistribution operation, and according to a preset interference distance rule, screening an address section with the lowest conflict risk with the composite tag from the current buffer area as a new writing target of the control instruction. According to the method, the problems of overlapping and conflicting of control instruction data caused by the fact that multiple channels share the buffer area are solved, a safe write-in mechanism based on label identification and dynamic mapping is achieved, and data isolation and system stability in the wireless communication process are improved.

The utility model discloses a new energy automobile battery distribution unit which is free of wire harness, high in integration degree and compact, and comprises a box body with a long strip-shaped structure, the box body is provided with an assembly space extending along the length direction, and the upper part of the box body is provided with an opening corresponding to the assembly space; the support can be installed in the assembling space from the opening, and the support is provided with a cover plate capable of sealing the opening; a circuit board is arranged on the bracket, and is electrically connected with a heating loop, a control loop and a pre-charging loop; wherein the circuit board is provided with a wiring terminal, a pin of the electrical component is provided with a contact pin, and the electrical connection between the electrical component and the circuit board is realized through the combination of the contact pin and the wiring terminal. The utility model relates to the technical field of automobile parts.

The invention relates to the technical field of wireless communication, and provides a coupler which comprises a substrate layer, a buried oxide layer, a first metal layer, a second metal layer and a third metal layer which are sequentially stacked and fixed. A main transmission line is formed on the third metal layer, the main transmission line is provided with a signal input end and a signal output end, the signal input end is used for accessing a radio frequency signal, and the signal output end is used for accessing an antenna; an auxiliary transmission line is formed on the first metal layer, the auxiliary transmission line is provided with a coupling end and an isolation end, and the main transmission line and the auxiliary transmission line form partial coupling and are coupled and output through the coupling end; the coupler further comprises a substrate, a monitoring circuit, a control circuit and an impedance matching circuit. The monitoring circuit is used for monitoring radio frequency signals output by the power amplifier, and the radio frequency signals are fed back to the power amplifier through the monitoring circuit after being subjected to impedance matching through the impedance matching circuit. The coupler disclosed by the invention is high in power amplifier monitoring precision and good in reliability.

Systems and apparatus are described for enhanced communication within a wireless node network. A system includes a server and multiple nodes, where each node can generate sensed data about or around the node and receive external data from another node according to a server tracked logical connection between those nodes. At least a subset of the nodes can connect to the server using a first connectivity mode or an intermediary connectivity mode. In the first connectivity mode, a first node of the subset can transmit a message directly to the server without using intermediary ones of the nodes (where the message includes sensed data about or around the first node). In the intermediary connectivity mode, the first node can receive the external data from the another node and transmit the external data to the server (where the external data is sensed data about or around the another node).

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to an electrically-controlled reducing cutter, which has the technical scheme that the extension and retraction of the cutter are accurately controlled by a control base driving motor and an electromagnet, wherein the control base driving motor comprises an MCU (Microprogrammed Control Unit) and a wireless communication module; the control base can receive a ground instruction and transmit an underground working state signal back in real time; meanwhile, the ratchet mechanism is matched with the electromagnet to achieve extending and retracting of the cutter position, and the pawl is always in close contact with the ratchet wheel under the action of the spring. And the lower shell is in threaded connection with the guide shoe. The cutting knife is driven to rotate through the transmission shaft, the cutting knife is controlled to stretch out and retract through the intelligent electric control system, continuous cutting of casing pipes with different pipe diameters can be achieved, the tripping frequency is reduced, and the casing pipe cutting efficiency in the well abandoning operation process is greatly improved.

Disclosed are techniques for communication. In an aspect, a wireless node (e.g., UE or BS) measures a first TOA of a first SRS-P from a UE, a second TOA of a reflection of a second SRS-P from the UE off of a first RIS, and a third TOA of a reflection of a third SRS-P from the UE off of a second RIS. The UE transmits, to a position estimation entity, measurement information based on the first, second and third TOAs. The position estimation entity determines a positioning estimate of the UE based at least in part on the measurement information.

Wireless communications systems and methods are provided for validating a physical uplink shared channel (PUSCH) occasion defined for 2-step random access channel (RACH) in case of collisions. For example, the user equipment (UE) may determine whether a collision occurs between the PUSCH occasion for the 2-step RACH and any RACH occasion assigned for either 2-step RACH or 4-step RACH after receiving the RACH configuration or updates from the network. The UE may then exclude the PUSCH occasion from the resource pool for 2-step RACH when a collision occurs.

Methods and apparatus are described for enhanced node communication within a wireless node network having nodes and a server. A first subset of nodes transmits first data messages to the server without using an intermediary device where the first data messages include sensed data generated by the nodes of the first subset of the plurality of nodes about or around the nodes of the first subset of the plurality of nodes. A second subset of the plurality of nodes receives external data from the other of the nodes. The second subset of the plurality of nodes are intermediary devices that transmit the received external data to the server, wherein the received external data from the other of the nodes comprises sensed data about or around the other of the nodes.

The invention discloses a building construction safety monitoring system and a monitoring method thereof. The building construction safety monitoring system comprises a sensing layer, a transmission layer, a data processing layer and an application layer. The sensing layer is composed of multi-dimensional sensor clusters of environment, structure, personnel and the like and can comprehensively collect various data of a construction site; the transmission layer adopts a wireless and wired combined mode, and ensures stable and safe transmission of data through encryption and redundancy transmission technologies; the data processing layer is deployed on a cloud platform, and performs data preprocessing, model training and risk decision making by using multiple algorithms; the application layer provides a monitoring center client and a mobile terminal APP for a user, and realizes data display, early warning and management functions. The system is high in intelligent degree, achieves the omnibearing, real-time and precise monitoring of the building construction process, improves the accuracy of safety risk assessment and the timeliness of early warning, provides a powerful guarantee for the safety of building construction, and has a higher practical value and a higher popularization prospect.

The application discloses a channel estimation method for a millimeter wave frequency division duplex massive MIMO system based on compressed sensing and deep learning, and belongs to the technical field of wireless communication.The technical scheme is as follows: a received pilot signal is processed by using a compressed sensing method to extract a preliminary CSI matrix; a convolutional neural network and a long short-term memory network are combined to extract spatial features and capture time correlation; the preliminary estimated CSI matrix is input into a ConvLSTM layer, and the ConvLSTM network fuses time correlation information to improve the estimation accuracy of the CSI; the same padding, ReLU activation function and filter with appropriate size are used to obtain the same size as the input data; and dimension transformation and inverse normalization are used to obtain the final CSI estimation result.The application has the beneficial effects that the method for channel estimation by using compressed sensing and deep learning aims at reducing the overhead of channel estimation and improving the estimation accuracy in a time-varying channel, reduces the overhead of downlink training and uplink feedback, and improves the channel estimation accuracy in the time-varying channel.

The invention provides an electric vehicle wireless charging control system optimization method based on a three-stage particle swarm algorithm, which considers transient performance and steady-state performance in the charging process of an electric vehicle, and divides the charging process into three stages: a starting stage, a tracking stage and a stabilizing stage. The first stage is a starting stage, and overshoot and voltage rising speed are mainly considered; the second stage is a tracking stage, and voltage tracking time and switching loss are mainly considered; and the third stage is a stable stage, and mainly considers steady-state errors and switching loss. Through a particle swarm optimization algorithm, parameters and duration of an optimization controller in each stage are optimized, and voltage fluctuation at a stage switching node is minimized, so that the system can achieve optimal performance in each stage. Compared with a traditional overall control scheme, the performance of the wireless charging system of the electric vehicle can be remarkably improved, the system loss is effectively reduced, and the purposes of high efficiency, economical efficiency and safety are achieved.

The invention discloses a wireless communication system and method based on an EtherCAT network. The system comprises a wireless gateway and a wireless slave station, the wireless gateway comprises an EtherCAT slave station module, a wireless communication module, a control module and an auxiliary function module. The control module carries out packaging conversion on an EtherCAT frame received by the EtherCAT slave station module and a wireless frame of the wireless communication module through hardware-level protocol conversion; the wireless communication module is an FHSS module or a WiFi module. The auxiliary function module comprises a timestamp module for recording time information and is used for assisting the control module to perform master-slave clock synchronization by adopting a multi-stage distributed clock synchronization optimization algorithm; the wireless slave station comprises an EtherCAT slave station module, a wireless communication module and a local control unit, wherein the EtherCAT slave station module is used for receiving the control instruction of the EtherCAT master station and is compatible with the wireless gateway; the wireless communication module is used for uploading a wireless frame packaged with an EtherCAT sub-message and has the same model as the wireless frame; and the local control unit is used for analyzing the control instruction of the EtherCAT master station to collect local data and packaging the local data into the EtherCAT sub-message. According to the invention, requirements of industrial automation on high-precision and high-reliability wireless communication can be met.