270 results about "Wireless communication protocol" patented technology

The invention discloses a concrete strength remote monitoring method and system suitable for a complex environment, and belongs to the technical field of civil engineering structure health monitoring. The remote monitoring method comprises the following steps: step 1, acquiring performance data of a concrete structure and related environmental factor data, and transmitting multi-source heterogeneous data to a data processing center in real time through a preset wireless communication protocol; step 2, constructing a five-dimensional tensor data structure, and realizing accurate mathematical expression of a complex coupling relationship between environmental factors and material characteristics through tensor decomposition; step 3, capturing nonlinear time-varying characteristics of concrete strength evolution; 4, quantifying the age effect through an intensity development rate index; step 5, based on the intensity development rate change trend, adaptively adjusting the data sampling frequency and monitoring the environmental condition fluctuation; and step 6, evaluating the safety state of the concrete structure in real time, and ensuring safe and reliable operation of the concrete structure in a complex environment.

The invention relates to an intelligent water service pipe network monitoring method based on Internet of Things fusion, and aims to solve the problems in heterogeneous sensor data accurate acquisition, consistent processing, efficient anomaly recognition and trend prediction. According to the core technical scheme, the method comprises the steps that deployment of multiple types of sensors is optimized, standardized calibration is implemented, efficient collection and local preprocessing of original data are achieved through a wireless communication protocol, and data uniformity and reliability are guaranteed through data normalization, noise suppression and abnormal value elimination; performing historical operation trend and short-term fluctuation feature extraction and conventional trend prediction by adopting space-time mixed feature perception and a deep neural network, and integrating an adaptive anomaly detection and correction mechanism to realize emergency response and cause explanation; and finally, an analysis result is fed back to an early warning and resource scheduling system, and the model is periodically optimized. According to the scheme, the sensing precision, intelligent analysis and abnormal response capability of the operation data of the water service pipe network are remarkably improved.

The invention discloses an outdoor distribution box inspection system and method based on path planning. The system comprises a master control terminal, an inspection unmanned aerial vehicle, an unmanned aerial vehicle landing base station and a distributed RTK positioning module. Wherein the main control terminal integrates an image processing unit and a dynamic path planning engine, and interacts with the patrol unmanned aerial vehicle in real time through a wireless communication protocol; the patrol unmanned aerial vehicle carries a dual-mode visual system and comprises a vertically downward path planning camera and an acquisition camera for direction adjustment of a holder, and the holder dynamically adjusts the orientation of the acquisition camera based on real-time position feedback of the RTK module to ensure that the optical axis of the holder is always aligned with the RTK module at the top of the nearest distribution box.

The invention discloses a smart home safety monitoring system and method based on multi-modal sensing and intelligent analysis. The system comprises a multi-modal sensing module, an intelligent analysis module, a communication module, a cloud server, a user terminal and a smart home central control screen module. According to the invention, through multi-mode sensing fusion and intelligent analysis technologies, all-around and multi-level sensing of an intelligent home environment can be realized, compared with a traditional single-sensor monitoring system, various security events can be detected and identified more accurately, the reliability and the security of the system are improved, the identity and behavior actions of personnel can be judged accurately, and the safety of the personnel is improved. The multi-mode sensing module, the intelligent analysis module and the cloud server are integrated, abnormal behaviors are recognized, early warning is given out in time, potential risks are reduced, in addition, real-time data transmission among the multi-mode sensing module, the intelligent analysis module and the cloud server is achieved by adopting multiple wireless communication protocols, and safety and privacy of data transmission are guaranteed in the transmission process in combination with the data encryption unit.

The invention belongs to the technical field of data transmission, and particularly relates to a medical monitoring data transmission method, a monitoring method and an application method.The data transmission link is subjected to standardized conversion, and the method comprises the steps that connection modes of different devices are adapted through a physical interface or a wireless communication protocol, and a communication link is established; key parameters in the data flow are analyzed in real time through a lightweight neural network model to obtain an analysis result, potential semantic features of the data flow are automatically identified through multi-modal signal analysis to obtain an identification result, and a temporary analysis rule is dynamically generated based on the analysis result and the identification result; and the disassembled independent parameters are recombined according to a unified standard format. According to the method, equipment hardware does not need to be transformed, continuous data transmission of various equipment is ensured by automatically establishing a standardized data stream transmission channel, the workload of manually configuring analysis rules can be reduced through implementation, the risk of wrong analysis caused by waveform distortion can be reduced through multi-modal signal analysis, and finally, the private format difference of the equipment is eliminated.

A control system of a heating, ventilation, and / or air conditioning (HVAC) system includes a data communication controller configured to receive, via a first wireless communication protocol, data from a sensor indicative of an operational parameter of the HVAC system. The data communication controller is also configured to receive, via an electronic device communicatively coupled to the data communication controller, a control instruction, and to transmit, via a second wireless communication protocol different from the first wireless communication protocol, a control signal to adjust operation of an HVAC component configured to enable supply of conditioned air to a structure serviced by the HVAC system based on the data and the control instruction.

Provided are a system and method for coordinating dual wireless communications protocols when implementing a time difference of arrival (TDOA) framework for ranging between nodes. A first of the protocols (e.g., BLE) can be used for transmission of synchronization and TDOA schedules that prescribe synchronization and TDOA frames. The synchronization and TDOA frames can then be executed according to a second of the protocols (e.g., UWB), thus exemplifying an efficiency in energy consumption owing to an absence of transitioning between the first and second protocols transmissions throughout the schedules.

A multi-room audio synchronous playback method, a system, a device and a storage medium are provided. The multi-room audio synchronous playback method includes: creating an ad-hoc network using a plurality of audio devices supporting a target wireless communication protocol via point-to-point connection, the ad-hoc network covering a plurality of rooms, the target wireless communication protocol operating at a frequency band of 5 GHz to 7 GHz; dynamically analyzing link quality to select an optimum transmission path, and dynamically optimizing a network topology of the ad-hoc network via multi-hop relay; transmitting target audio data between the audio devices of the ad-hoc network based on the optimum transmission path, and performing real-time interaction and dynamic compensation based on a synchronization signal to obtain a synchronization parameter; and controlling each audio device of the ad-hoc network based on the synchronization parameter to synchronously play the target audio data.

A wireless communication protocol using CSMA / CA, EDCA and R-TWT to prioritize RTA traffic transmissions. During an R-TWT SP, the RTA traffic is prioritized for transmission and mechanisms are provided for assuring proper indications and termination of the R-TWT SP. During this process, member STAs communicate with the R-TWT scheduling AP when they have no more frames to send. The R-TWT scheduling AP can also terminate the R-TWT SP before its scheduled end time, allowing non-member STAs to immediately contend for the channel. In addition, the R-TWT scheduling AP can exchange frames with STAs, that have an R-TWT feature but are not R-TWT member STAs, after frame exchanges with the R-TWT member STAs during the R-TWT SP have been completed.

Systems, apparatus, and methods to provide dual virtual private network connectivity are disclosed herein. An example system includes a mobile hardware virtual private network (VPN) device, the mobile hardware VPN device communicatively coupled to an end device, the mobile hardware VPN device to establish a first VPN tunnel to encrypt data generated by a second VPN tunnel associated with the end device; and a transceiver communicatively coupled to the mobile hardware VPN device, the transceiver to communicate with a secure network via a wireless communication protocol to cause a VPN server to permit the end device to exchange data with the secure network via the first VPN tunnel and the second VPN tunnel.

An interactive apparatus, the apparatus including: a control device for controlling the interactive apparatus; input device(s) for providing input(s) and output device(s) for providing audio and / or visual outputs, wherein the control device is configured for receiving media and providing the media to the output device(s) to provide audio and / or visual outputs associated with the media; a communication device for receiving a communication input for processing by the control device, the communication device including one or more of: a microphone, a camera, and a communication interface for communication with electronic or computer devices over a wireless communication protocol; wherein the communication device is only permitted to be activated by an actuation device being placed into close proximity to or physical contact with the interactive apparatus.

A network of devices includes a power-constrained device that uses two separate physical channels associated with different wireless communications protocols to communicate with a device and to communicate directly or indirectly with a controller. In an embodiment, the two separate physical channels include a dedicated high-power, high-throughput physical channel of a primary wireless communications protocol that is used to communicate with the controller in a normal mode of operation and a side channel, which is a lower power, lower throughput physical channel of a secondary wireless communications protocol to receive triggers from sensors and that may be used to directly or indirectly communicate with the controller in the normal mode of operation or in a lower power mode of operation. In an embodiment, the dedicated high-power, high-throughput physical channel is configured in a lower power state (e.g., idle or off) while a sleepy node is in a power-saving mode.

The invention discloses an intelligent internet-of-things dynamic cooperative monitoring method, system and device and a medium, belongs to the technical field of internet of things, and aims to solve the technical problems of how to improve the cooperative work capability between devices, dynamically adjust the device state according to real-time data, quickly respond to environment change, optimize resource utilization and improve the device efficiency. The technical scheme is as follows: data acquisition: each piece of Internet of Things equipment is equipped with a temperature sensor, a humidity sensor, an illumination sensor and a motion sensor for acquiring environmental data in real time; data communication: performing environment data exchange between each piece of Internet of Things equipment and an Internet of Things platform through a wireless communication protocol; cloud platform data analysis and processing: processing the acquired environment data by adopting a data stream or real-time data mining mode, and identifying key change factors; performing dynamic cooperative scheduling; machine learning and intelligent prediction: establishing a data model by training historical data; and adaptive adjustment and optimization are carried out.

Techniques are described for triggering a determination of a first address identifier for the computing device by an address rotation unit of a computing device, wherein the first address identifier is an active address identifier for the computing device that identifies the computing device according to a wireless communication protocol, and wherein the address rotation unit is a component distinct from a processing unit of the computing device; in response to the address rotation unit determining that a timer is expiring, triggering a determination of a second address identifier for the computing device by the address rotation unit and while the processing unit is operating in a power-saving mode; setting the second address identifier as the active address identifier for the computing device by the computing device;and broadcasting a display by the computing device based on the active address identifier, the display being in accordance with the wireless communication protocol.

This disclosure describes systems, methods, and devices related to enhanced connectivity. A device may receive a data payload and modulation and coding scheme (MCS) information for transmission. The device may select a low-density parity-check (LDPC) codeword size based on the data payload size and the MCS information. The device may encode the data payload into at least one LDPC codeword according to the selected LDPC codeword size. The device may transmit the encoded LDPC codeword using a wireless interface.

A method for communicating between motorized power tools includes establishing, using a physical interface of a first power tool, a wireless radio link between the first power tool and a second power tool. The first power tool has a first motor and the second power tool has a second motor. A signal is received over the wireless radio link, via the physical interface, at the first power tool from the second power tool using a first wireless communication protocol. The signal includes an identifier. The second power tool is verified as authorized to send the signal to the first power tool based on the identifier. A tool component of the first power tool is controlled responsive to the signal.

A wireless communication protocol which operates with multi-link devices (MLDs) having simultaneous transmit and receive (STR) link pairs to allow transmitting a long MU PPDU by an originator on a first link, which is acknowledged (Ack) by a recipient on a second link. The Ack on the second link may be on a single resource unit (RU) which may be shared by multiple stations. The Ack may be received during the MP PPDU on the first link, making it a quick Ack. In many cases this allows the originator to perform a retransmission within the same PPDU, thus especially benefitting real-time traffic which is latency sensitive.

A system for real-time prediction of heart disease and to support clinical decisions; the system includes: a patient data acquisition module configured to receive multimodal inputs, including physiological signals selected from electrocardiographic waveforms, blood pressure readings, heart rate readings, and oxygen saturation readings, as well as demographic and lifestyle information, including age, gender, cholesterol levels, smoking habits, and family medical history; a preprocessing engine configured to perform data cleansing, imputation of missing values, categorical coding, and feature scaling, so that the input data is normalized and converted into a format suitable for machine learning; a processing core comprising a multi-core CPU / GPU system-on-chip operationally coupled with a secure storage unit, wherein the processing core is configured to execute a variety of pre-trained machine learning models, including Naive Bayes, Random Forest, Logistic Regression and Decision Tree classifiers; a model evaluation unit configured to calculate validation metrics such as precision, recall, F1 score and area under the curve for each of the models and dynamically select the model with optimal performance to generate real-time predictions for the risk of heart disease; a display interface configured to present predictive results in the form of risk probability values, confidence indices, and actionable recommendations that are mapped to clinical treatment guidelines; and a communication interface configured to transmit emergency alerts based on high-risk predictions to remote caregivers, hospitals, and emergency response systems via wireless communication protocols such as WLAN, Bluetooth, and 4G / 5G cellular connections.

The embodiment of the invention belongs to the field of intelligent interaction, and relates to an interaction method of intelligent glasses and a translator, which comprises the following steps: the intelligent glasses synchronously acquire voice information of a user through a plurality of microphone matrixes; the voice information is transmitted to a translator in real time through a wireless communication protocol, a timestamp is added to each frame of voice information, and the translator detects transmission delay according to the timestamps and dynamically adjusts the transmission rate of the voice information; the translation machine divides the voice information into different subunits for processing according to syllables, intonations and grammar by adopting a preset acoustic model segmentation processing algorithm; the translation machine translates the voice information by using a vocabulary selection algorithm based on a language environment; and the translation machine feeds back a translation result to the intelligent glasses through an incremental feedback algorithm. The invention further provides an interaction system of the intelligent glasses and the translation machine. The objective of the invention is to realize low-delay and high-accuracy translation result feedback while ensuring high-precision speech recognition and rapid translation.

The invention relates to the technical field of water pump control, in particular to an integrated water pump control system based on LoRa, which comprises a water level detection module used for monitoring a water level signal in real time, a timing control module used for setting a time parameter of water pump operation, and a microcontroller module used for controlling the water pump according to the water level signal and the set time parameter. And outputting a control signal to the execution module to control start-stop of the water pump. The water level signal and the timing parameter are jointly judged through the microcontroller module, and a delay control strategy is introduced, so that false triggering caused by instantaneous water level fluctuation is avoided, and the operation stability and the control reliability of the system are effectively improved. And the execution module adopts a relay control circuit and is provided with triode driving and follow current protection measures to ensure that the start-stop process of the water pump is safe and quick in response. A LoRa wireless communication protocol is adopted, long-distance and low-power-consumption data transmission is supported, and the system is especially suitable for automatic control requirements in remote areas or agricultural irrigation and other network-free environments.

The invention discloses an endoscope cleaning disinfectant test paper monitoring method which comprises the following steps: S1, constructing a monitoring environment, fixing to-be-detected endoscope cleaning disinfectant test paper at a preset position of the monitoring environment, and controlling and adjusting a uniform light source to irradiate the test paper; s2, shooting a color image of the test paper based on an image acquisition module to obtain test paper image data, S3, carrying out image processing on the test paper image data, and extracting a color characteristic value of a test paper reaction area; s4, performing comparative analysis on the color characteristic value and a preset standard color value, if the color characteristic value is within a preset standard color value range, judging that the test paper is qualified, otherwise, judging that the test paper is unqualified; and S5, packaging the test paper image data and the corresponding judgment result into a monitoring data packet, marking a timestamp, uploading the monitoring data packet to a traceability management center server through a wireless communication protocol for storage and recording, and generating a disinfection quality report at the same time.

A method for wireless communications between an input device and a host. When only displacement data is detected in a period of time, a reduced-size packet is generated with the displacement data while eliminating packet fields corresponding to the other input data. The reduced-size packet is wirelessly transmitted to the host. When other input data is detected in the period of time, a data packet for the other input data is generated with a packet field for the other input data and is wirelessly transmitted to the host.

The invention relates to a motor home light control method, and belongs to the technical field of vehicle control, and the method comprises the following steps: obtaining real-time state data and ambient light intensity data of lamps inside and outside a motor home; matching is carried out according to the real-time state data and a preset scene mode, and a corresponding scene control instruction is generated; adjusting a lamp brightness parameter according to the ambient light intensity data and the battery electric quantity data; generating a color control signal for the lamp supporting color adjustment; triggering a corresponding lamp state change instruction according to a preset timing task list and the current time; uploading the state data to a remote control terminal through a wireless communication protocol, and updating lamp control parameters according to a returned remote control instruction; and the adjusted control parameters are issued to the lamp driving unit, and dynamic adjustment of the light state is completed.

The invention relates to the technical field of Internet of Things, in particular to a wireless control method and system for intelligent furniture and the intelligent furniture. The method comprises the following steps: capturing different types of radio signals through a user terminal, and extracting time-frequency characteristics of each signal by using fast Fourier transform to obtain multi-signal time-frequency characteristic data; carrying out weighted fusion on the multi-signal time-frequency characteristic data, and carrying out dynamic adjustment on the weight of each signal based on transfer learning to obtain a channel stability index; dynamically selecting a wireless communication protocol according to the channel stability index by using an SDN technology, and recording a protocol switching process on a private block chain to obtain protocol switching log data; and performing federal learning framework aggregation based on switching feedback according to the protocol switching log data so as to obtain protocol efficiency matrix data. According to the method, multiple radio signals are processed by dynamically adjusting weights through transfer learning, the adaptability of the system to a complex electromagnetic environment is improved, and the communication stability is enhanced.

The invention discloses a wireless control method and system for a sacral nerve stimulator, and particularly relates to the technical field of nerve control. Myoelectricity, pressure and temperature signals in a sacral nerve area of a user are collected through a multi-modal sensor, an initial parameter set is generated through feature extraction, and the initial parameter set is dynamically matched with a preset physiological adaptation model to generate a target stimulation parameter set. The target parameters are subpackaged, encrypted and transmitted to the stimulator control module by using wireless communication protocols such as Bluetooth with low power consumption, and an executable stimulation instruction is generated; physiological feedback is monitored in real time in the execution process, and an optimized stimulation parameter set is dynamically adjusted and generated according to the deviation condition of the feedback and target parameters; meanwhile, optimizing parameters and historical data are synchronized to a cloud end, and cross-device data synchronization and mode verification are carried out; finally, a final control instruction is executed according to a safety verification result of the device, the method is suitable for nerve regulation and rehabilitation treatment, the prospect is wide, and self-adaptive adjustment and safety management and control of stimulation parameters are achieved.

The invention discloses an intelligent security system and method based on big data service, and relates to the technical field of big data and security, the system is composed of a sensing layer, a data layer and an application layer, the sensing layer, the data layer and the application layer realize data interaction by means of wired and wireless communication protocol combination to form a closed-loop security management and control system, and the closed-loop security management and control system is connected with the application layer. According to the invention, a unified big data fusion analysis platform is constructed, and heterogeneous data sources such as a goods information management system, a warehouse control system, an environment monitoring system, a personnel positioning system and an equipment operation state monitoring system are connected. And real-time convergence, cleaning, association and deep mining of multi-dimensional data are realized based on a strong data channel-in-channel capability. By deploying a multi-mode sensor network, holographic and high-precision sensing of a warehouse environment, a goods state and equipment operation is realized.

A method for communicating between motorized power tools includes establishing, using a physical interface of a first power tool, a wireless radio link between the first power tool and a second power tool. The first power tool has a first motor and the second power tool has a second motor. A signal is received over the wireless radio link, via the physical interface, at the first power tool from the second power tool using a first wireless communication protocol. The signal includes an identifier. The second power tool is verified as authorized to send the signal to the first power tool based on the identifier. A tool component of the first power tool is controlled responsive to the signal.

A system is provided. The system includes a plurality of wireless access points (WAPs) corresponding to a plurality of wireless communication protocols. The system includes a wireless local network server coupled to the plurality of WAPs via a communication bus. The wireless local network server is configured to convert data under the plurality of wireless communication protocols to data under a local protocol. The system includes a data diode communicatively coupled to the communication bus. The system includes a processor configured to control the data diode to exchange the data under the local protocol between the plurality of WAPs. Also provided is a method and an apparatus.

A main and auxiliary engine communication control method for multiple ship propellers relates to the technical field of ship power control, and comprises a main control propeller and a plurality of auxiliary control propellers, the main control propeller is installed at the leftmost position of a ship body tail plate, and the auxiliary control propellers are installed at other positions of the ship body tail plate in parallel. MAC addresses with the same mark code segment are pre-burnt in the main control propeller and the auxiliary control propeller; the master control propeller establishes a bidirectional data link with the remote controller through a wireless communication protocol; a single-hop star topology network is established between the main control propeller and the auxiliary control propellers, and the main control propeller sends a composite instruction packet to each auxiliary control propeller through a single broadcast channel; and each auxiliary control thruster returns state data to the main control thruster through an independent time division multiple access uplink channel. According to the invention, the defects in the prior art are overcome, the rapid identification and accurate positioning of the equipment are realized, the management and maintenance of the system are simplified, and the flexibility and expandability of the system are greatly improved.

Systems, methods, and devices locate and identify wireless devices within operational environments such as automobile environments. Methods include determining, using one or more processors of a central wireless device, one or more identifiers associated with a peripheral wireless device, and performing, using the one or more processors, a wireless exchange with the peripheral wireless device, the wireless exchange comprising one or more channel sounding operations compatible with a wireless communications protocol. Methods further include determining a plurality of estimated distances based on channel sounding data obtained by the central wireless device and received from a plurality of remote wireless devices based on the wireless exchange, and determining a location and identity of the peripheral wireless device within an operational environment based on the plurality of estimated distances and the one or more identifiers.