3140 results about "Wireless connectivity" patented technology

An intelligent traffic management device for optimizing traffic flow at one or more intersections using reinforcement learning, comprising: a central control unit housed in a weatherproof enclosure and mounted on a structural support near an intersection; a sensor interface operatively connected to a variety of multimodal sensors, including at least radar-based vehicle detectors, inductive loop sensors embedded in the road surface, infrared pedestrian detection detectors, and high-resolution optical imaging modules; a powerful embedded computing unit consisting of a multi-core processor and a GPU configured for on-device inference; a reinforcement learning engine embedded in the computing unit, comprising a deep reinforcement learning model trained to map environmental states defined by traffic-related sensor inputs to optimized action policies for traffic light control; a signal actuation module electrically connected to traffic signal controllers, with action policies outputting signal phase durations and transitions in real time; a communications module supporting wireless connectivity and configured for device-to-device communication and cloud synchronization; a policy synchronization module configured to perform federated learning-based updates of model parameters by exchanging gradient weights or distilled traffic state vectors with neighboring intelligent traffic management devices deployed in a traffic network; where the reinforcement learning engine continuously observes traffic state vectors consisting of vehicle counts, average speeds, queue lengths, and pedestrian activity, and dynamically updates the policy to maximize cumulative traffic throughput and minimize average delay.

A fluid control device includes a fluid pipe section including a fluid inlet and outlet connectable in series to a fluid pipe. A fluid valve is coupled in series within the fluid pipe section separating a fluid inlet and outlet side and controlling a fluid flow. An electric motor is mechanically connected to the fluid valve. A temperature sensor is connected to the fluid pipe section monitoring a temperature of the fluid flow. A pressure sensor is connected to the fluid pipe section monitoring a pressure of the fluid flow. A flow rate sensor is connected to the fluid pipe section monitoring a flow rate of the fluid flow. A control device processor is electrically connected to the electric motor and electrically connected to the sensors. A communication device coupled to the control device processor is for wirelessly connecting to a remotely disposed fluid monitoring and control system.

The invention provides a backup degradation train control system based on rail transit intelligent perception, the system comprises existing vehicle-mounted signal subsystems loaded at two ends of a train, a vehicle interface, a bridge and an intelligent perception subsystem, the intelligent perception subsystem comprises an ATO, an ATP, an ITE, a perception device and a speed measurement device; the sensing equipment is connected with the existing vehicle-mounted signal subsystem; the switching equipment is used for switching to the intelligent sensing subsystem to run in an autonomous sensing mode when the train with the CBTC is degraded due to a fault, and the existing vehicle-mounted signal subsystem is still maintained in an RM mode; when the train which autonomously perceives running runs to the area with the upgraded CBTC, the vehicle-mounted equipment is switched back to recover running of the train CBTC; the wireless communication device is used for being in wireless connection with the vehicle-mounted signal subsystem and the trackside device. The intelligent sensing subsystem operates when the CBTC breaks down and degrades, toughness is improved, and it is achieved that the train does not get off line in the peak period.

A swimming pool cleaning system includes: a pool cleaning robot (10) that is to at least clean a floor and pool walls of a swimming pool; and a surface cleaning device (20) that is to at least clean a pool surface of the swimming pool. The surface cleaning device (20) is wirelessly connectable to an external control device and has a connecting cable (21) that electrically connects the surface cleaning device (20) to the pool cleaning robot (10), so that the pool cleaning robot (10) communicates with the external control device via the surface cleaning device (20).

The present application belongs to the technical field of communications, and discloses a clock synchronization method, a device, and a computer readable storage medium. The method comprises: selecting a master clock source inside of a base station to be a clock synchronization source of a fusion control system; on the basis of the clock synchronization source, constructing a wired synchronous master clock message and an air interface synchronous master clock message; and sending the wired synchronization master clock message to a wired connection device, and sending the air interface synchronization master clock message to a wireless connection device.

A system described herein may monitor Key Performance Indicators (“KPIs”) of a radio access network (“RAN”) that implements a first radio access technology (“RAT”), such as a Fifth Generation (“5G”) RAT. The system may determine, based on monitoring the KPIs of the RAN, that a particular RAN condition has occurred, and may notify a Fixed Wireless Access (“FWA”) device, that is wirelessly connected to the RAN via the first RAT and that is also wirelessly connected to a plurality of client devices via a second RAT, such as a WiFi RAT, that the particular RAN condition has occurred. The FWA device may implement one or more policies for communications between the FWA device and the plurality of client devices based on receiving the notification that the particular RAN condition has occurred.

A system (1) has a vehicle (2) and a mobile device (3) to unlock the vehicle (2) and / or enable a function of the vehicle (2). The vehicle (2) has at least one first transceiver (A) that is designed to transmit and receive data wirelessly. The mobile device (3) has at least one second transceiver (B) that is designed to transmit and receive data wirelessly. The first transceiver (A) and the second transceiver (B) are designed to establish a wireless connection with one another as connection partners that enables data exchange. The first transceiver (A) is designed to check an environment of the vehicle (2) for available connection partners. The second transceiver (B) is designed to signal its availability as a connection partner.

The invention discloses a power equipment temperature monitoring and early warning system and method based on wireless communication, and relates to the technical field of temperature monitoring, the system comprises a wireless temperature measurement terminal box and a mobile terminal APP, the wireless temperature measurement terminal box and the mobile terminal APP establish communication connection based on a wireless network, and the wireless temperature measurement terminal box is fixedly installed on power equipment; the wireless temperature measurement terminal box comprises an electromagnetic environment judgment module which monitors and judges whether interference exists in the environment where power equipment is located in real time based on an electromagnetic sensor and synchronizes a result into a temperature drift compensation analysis module; and the temperature monitoring module monitors temperature data in the power equipment in real time based on a temperature sensor. Through electromagnetic environment judgment and temperature drift compensation, historical data and a model are combined to dynamically correct interfered temperature data, the influence of electromagnetic interference is eliminated, real-time monitoring is matched with graded alarm, hidden dangers can be found in time, response can be made according to risk grades, accidents are avoided, and wireless connection adapts to complex scenes.

Certain aspects of the present disclosure provide techniques for adjusting the wireless connectivity of an extended reality (XR) device. A method generally includes obtaining operation information for a wireless communications environment; generating, based on the operation information, a first notification for a first XR device operating within the wireless communications environment, wherein the first notification indicates one or more actions to adjust wireless connectivity of the first XR device within the wireless communications environment; and communicating the first notification.

The invention discloses a sky tower ground well integrated carbon emission and carbon sink comprehensive observation system, which comprises a satellite remote sensing module and an unmanned aerial vehicle remote sensing module, which are used for acquiring mining area environmental parameters; the vorticity covariance flux tower is used for collecting wind speed, temperature, CO2 and other greenhouse gas concentration data in real time and calculating the carbon gas exchange flux in the atmosphere; the ground monitoring module is used for monitoring carbon emission and carbon absorption indexes in the surface environment in real time; the underground monitoring module is used for monitoring underground carbon flux data and underground environment parameters; the satellite remote sensing module, the unmanned aerial vehicle remote sensing module, the vortex covariance flux tower, the ground monitoring module and the underground monitoring module are all connected with the central data processing platform in a wired and / or wireless mode, and the central data processing platform is used for generating a unified and accurate mining area carbon emission and carbon sink dynamic map. According to the invention, synchronous observation and data fusion of five observation modules of the sky tower ground well are realized, and full-scale and real-time dynamic observation of carbon emission and carbon sink in a coal mining area is realized.

A technique for handling multi-modal PDU sets is described. As to a method aspect of the technique performed by a wireless device, WD (100; 1700; 1991; 1992; 2030), wirelessly connected or connectable to an access network, AN (510), is provided. The method (300) comprises measuring (306) at the WD (100; 1700; 1991; 1992; 2030) at least one combined quality of service (QoS) parameter, and sending (310), to the AN (510), a report message (506) indicative of the measured (306) at least one combined QoS parameter. Each of the at least one combined QoS parameter is measured (306) for a combination of at least two PDU sets (750) in an uplink towards the AN (510). The at least two PDU sets (750) are mutually inter-dependent (760).

The invention relates to the technical field of automobile communication, in particular to a wireless connection optimization method and device for an intelligent cabin car-aircraft interconnection system, electronic equipment and a storage medium, and the method comprises the steps: constructing a candidate channel list based on a network unique identifier and channel information of a historical successful connection network; concurrently performing a Wi-Fi scan on a plurality of common channels in the candidate channel list to identify at least one candidate wireless connection link; taking the candidate channel with the highest channel quality score in the candidate channel list as a target channel; wherein the channel quality score is calculated based on the packet loss rate, the signal strength and the interference parameter of the candidate channel. According to the method, on the basis of historical channel weights and a multi-stage concurrent scanning mechanism, consumed time of a Wi-Fi scanning stage is reduced, a target channel is rapidly determined through dynamic channel evaluation, and the connection speed and the connection success rate of the whole process are improved by combining asynchronous split WPA2 handshake and service initialization parallelization.

There is provided an ultrasound diagnostic apparatus including an ultrasound probe and an apparatus main body wirelessly connected to the ultrasound probe, the ultrasound probe including a B-mode processing unit and an M-mode processing unit configured to generate a B-mode image and an M-mode image, a wireless communication circuit configured to wirelessly transmit the B-mode image and the M-mode image to the apparatus main body, and a probe control unit configured to control the wireless communication circuit such that, each time a generation of a certain number of scanning lines in the B-mode image, which is less than the number of scanning lines in a single frame of the B-mode image, is completed, wireless transmission of the certain number of scanning lines in the B-mode image and wireless transmission of the M-mode image are alternately performed.

A measurement system including: a. a sensor system that includes: i. a Light Detection And Ranging (LiDAR) module with a laser emitter configured to generate measurement data representing raw range measurements to measure heights of a crop, and ii. a computing module, including: at least one wireline / wired communications module configured to communicate with the LiDAR module for the computing module to acquire the measurement data from the LiDAR module; and at least one wireless communications module configured for the computing module to communicate using a wireless connection / link with a remote computing system that is configured receive the acquired measurement data and to determine / calculate / estimate phenotypic quantities of the crop based on the measured heights for the purpose of high-throughput plant phenotyping (HTPP); and b. a mobile / vehicle mount configured to hold / support the sensor system above the crop and to direct the laser emitter towards the crop.

A laparoscopic medical device includes an oximeter sensor at its tip, which allows the making of oxygen saturation measurements laparoscopically. The device can be a unitary design, wherein a laparoscopic element includes electronics for the oximeter sensor at a distal end (e.g., opposite the tip). The device can be a multiple piece design (e.g., two-piece design), where some electronics is in a separate housing from the laparoscopic element, and the pieces (or portions) are removably connected together. The laparoscopic element can be removed and disposed of; so, the electronics can be reused multiple times with replacement laparoscopic elements. The electronics can include a processing unit for control, computation, or display, or any combination of these. However, in an implementation, the electronics can connect wirelessly to other electronics (e.g., another processing unit) for further control, computation, or display, or any combination of these.

A system for forming and maintaining GPS tracked and mapped environmentally-clean chemical-based fire protection zones formed over property and ground surfaces in and about a neighborhood of homes, that proactively inhibit fire ignition and flame spread when exposed to wild fire. The system includes a GPS-tracking anti-fire (AF) liquid spraying system wirelessly connected to a wireless communication network supporting a network database. The GPS-tracked anti-fire liquid spraying system is used to spray particular GPS-specified ground surfaces in and about the neighborhood, with an environmentally-clean anti-fire chemical liquid so to form environmentally-clean chemical fire protection zones over the GPS-specified property surfaces, while generating GPS-coordinate and time / date stamped data records pertaining to the application of the environmentally-clean anti-fire chemical liquid spray during the formation of the environmentally-clean chemical fire protection zones. The GPS-coordinate and time / date stamped data records are transmitted over the wireless communication network for storage in the network database. A mobile computing system is used to access the GPS-coordinate and time / date stamped data records from the network database, relating to the formation of the GPS-specified environmentally-clean chemical fire protection zones, so as to verify that the GPS-specified environmentally-clean chemical fire protection zones were formed at the GPS-specified property surfaces on the particular date, to proactively inhibit fire ignition and flame spread when exposed to wild fire.

A wireless device is configured to receive a set of sensor data from one or more sensors of the wireless device, receive a set of radio measurements from a radio interface of the wireless device, process the set of sensor data and the set of radio measurements at a radio resource management (RRM) neural network of the wireless device to generate an output representative of an RRM action, and then perform the RRM action. The wireless device further can provide a representation of sensor capabilities of the wireless device for receipt by an infrastructure component of a network infrastructure that is wirelessly connected to the wireless device, receive a neural network architectural configuration from the infrastructure component in response to providing the representation of sensor capabilities, and implement the neural network architectural configuration at the RRM neural network.

The embodiment of the application provides a screen projection method, electronic equipment, a storage medium and a program product, relates to the video projection and whole-house intelligent technical field, and can not need to connect the double-end equipment for projection to the same local area network, thereby reducing the limitation of projection, making the use scene of projection more flexible. The screen projection method comprises the following steps: in response to an operation of initiating projection, initiating low-power BLE Bluetooth broadcast search; obtaining a first data packet and a second data packet from the data of the BLE Bluetooth broadcast, the first data packet comprising first check information and encrypted information, and the second data packet comprising second check information and a key; decrypting the encrypted information according to the key; determining that the first data packet and the second data packet are associated projection information; displaying a projection device selection interface; in response to a selection operation on a projection target device option, establishing a wireless connection between the projection target device; and initiating video projection to the projection target device based on the wireless connection.

A radio access network (RAN) participating in a multicast and broadcast services (MBS) session can implement a method for managing MBS communication. The method includes: (a) transmitting, to a user equipment (UE), a first command to transition from a connected state to an inactive state in which a radio connection between the UE and the RAN is suspended, the command including a first multicast configuration with an MBS radio bearer (MRB) parameter, for receiving MBS data; (b) transmitting, to the UE operating in the inactive state, MBS data according to the first multicast configuration; (c) receiving, from the UE, a request to resume the radio connection; and (d) transmitting, to the UE and in response to the request, a second command to resume the radio connection, the command including a second multicast configuration for continuing to receive the MBS data in the connected state.

The invention provides a wireless weighing transmission garbage can and a data transmission method, and relates to the technical field of weighing garbage cans, the garbage can comprises a weighing device, a data acquisition device wirelessly connected with the weighing device and mounted on a vehicle, and a cloud management platform for acquiring information of the data acquisition device; the weighing device comprises a garbage can body, a weighing plate, a bottom plate, a weighing control module and a weighing sensor, wherein the weighing plate and the bottom plate are sequentially installed at the bottom of the garbage can body, the weighing control module is installed on the weighing plate, and the weighing sensor is embedded into the weighing control module. The data acquisition equipment comprises a data acquisition control module for acquiring information of the weighing device, and a display for displaying the number and the position of the garbage can and the garbage weight; through a cloud management platform, a collection and transportation unit can accurately obtain the garbage weight of a garbage can at a collection and transportation point, garbage collection and transportation management is quantified, data can be temporarily stored by using a memory U5 in data acquisition equipment, it is ensured that the data is not lost when communication is interrupted, and the integrity of the data is improved.

Methods, systems and devices for transmitting unavailability information in a wireless local area network. A wireless device establishes first and second wireless connections using a first set of radio resources. The wireless devices receives a multi-user initial control frame (ICF) from a wireless access point over the first wireless connection. Based on receiving the multi-user ICF, the wireless device transmits a control response message to the wireless access point that indicates unavailability information for the wireless device.

A wireless communication device includes a communication unit and a control circuit for controlling the communication unit. The control circuit sets, in the communication unit, a different advertising identifier for each application. The communication unit repeatedly transmits an advertising packet that corresponds to the set advertising identifier and does not include the advertising identifier, receives a connection request for wireless communication transmitted from a first wireless communication device that is one of the other wireless communication devices that have received the advertising packet, terminates transmission of the advertising packet transmitted immediately before the connection request is received, and wirelessly connects to the first wireless communication device. The control circuit determines whether the wirelessly connected first wireless communication device is a connection destination expected by a first advertising identifier being the advertising identifier corresponding to the advertising packet whose transmission is terminated.

The invention relates to the technical field of subway tunnel fire experiment, and discloses a variable-pressure reduced-size subway tunnel / train compartment double-long-narrow-space fire experiment platform which comprises a tunnel body, a ventilation unit, a monitoring unit, a rail unit and a train unit, and a fire source structure is arranged in the train unit. According to the variable-pressure reduced-size subway tunnel / train compartment double-long-narrow-space fire experiment platform, a fire source structure is arranged, when a fire experiment needs to be carried out, a top fan, two side fans and a main fan are started through a wireless receiver, the wind speed during high-speed running of a train is simulated, and then a remote control igniter is remotely and wirelessly connected; the top fan, the two side fans and the main fan are remotely turned off after a certain time, a real fire disaster is simulated, the fire source structure can simulate the effect that the fire source continuously burns the multiple carriages after a train runs at a high speed, and the authenticity is high.

The utility model belongs to the technical field of slope ecological protection, and provides a high slope rainwater collection and automatic irrigation system based on the Internet of Things, which comprises an integrated control assembly, a signal acquisition assembly, an irrigation mechanism and a rainwater collection mechanism, the integrated control assembly is wirelessly connected with the signal acquisition assembly and the irrigation mechanism; the signal acquisition assembly is provided with a soil humidity sensor; the irrigation mechanism comprises an irrigation pipe network and a reservoir; the irrigation pipe network comprises a main pipe, a plurality of branch pipes and irrigation emitters fixedly connected with the branch pipes; the main pipe is communicated with the reservoir; and the rainwater collecting mechanism is communicated with the reservoir. The irrigation system can be logged in through the mobile terminal or the computer terminal, the upper limit value and the lower limit value of the soil humidity are preset remotely, the soil humidity sensor is used for monitoring, and the irrigation mechanism is controlled to perform full-coverage irrigation on vegetation according to the implementation humidity automatic feedback of the soil. Automatic irrigation of high slope vegetation is achieved, and the irrigation effect is good.

The nonmetal composite pipeline comprises a main pipe, a heat preservation layer, a cushioning layer and an outer protection layer are sequentially arranged on the outer surface of the main pipe outwards, an optical fiber groove is formed in the inner surface of the heat preservation layer in the axis direction of the main pipe, an optical fiber monitoring strip is arranged in the optical fiber groove, and the optical fiber monitoring strip is formed by connecting a plurality of optical fiber sensors in series through optical fibers. The optical fiber sensor is connected with the data acquisition and processing unit through an optical fiber, the data acquisition and processing unit is wirelessly connected with the communication module, and the communication module is wirelessly connected with the remote monitoring center. The invention further discloses a preparation and monitoring method of the nonmetal composite pipeline based on optical fiber sensing. Through a multi-layer composite structure, the problems of large weight, easy corrosion and the like are solved, the optical fiber monitoring strips are integrated to sense multiple strain and pressure parameters in real time, and high-precision pipeline health monitoring is achieved in combination with remote monitoring.

Methods and apparatus for transmitter and receiver localization within an environment. A transmitter transmits a signal that includes information (e.g., wavelength, polarization, and / or modulation) that varies based on observation angle. Receiver(s) may estimate direction of the transmitter in the environment based on the received signal. Intensity of the signal may be used to determine distance of the transmitter to the receiver(s). The receiver(s) may then convey the respective estimated distance and direction to the transmitter, for example via a wireless connection. The transmitter may then generate a map of the respective distances and directions to receiver(s) in the environment, and may convey absolute location and orientation of the transmitter in the environment to the receiver(s), for example via a wireless connection.

A communication control method according to an embodiment is a method in a mobile communication system in which a data transfer path via at least one of relay apparatuses is configured between a donor base station and a user equipment. In the communication method, a relay apparatus is configured to activate a timer when establishment of a radio connection with an upper apparatus or activation of a relay function of the relay apparatus is rejected by the upper apparatus, or when the radio connection is released by the upper apparatus. The upper apparatus is another relay apparatus under the donor base station or the donor base station. The timer is configured to define time during which establishment of a radio connection with the upper apparatus or notification indicating an intention of activating the relay function to the upper apparatus needs to be avoided.

In aspects, a base station establishes a wireless connection with a user equipment, UE. The base station determines to include at least a first adaptive phase-changing device, APD, and a second APD in a wireless communication path with the UE. In response to determining to include multiple APDs in the communication path, the base station determines a first surface configuration for a first surface of the first APD and a second surface configuration for a second surface of the second APD. The base station directs the first APD to apply the first surface configuration to the first surface and directs the second APD to apply the second surface configuration to the second surface. The base station and the UE communicate with the UE using wireless transmissions that travel along a wireless communication path that includes the first surface of the first APD and the second surface of the second APD.

The invention relates to the technical field of drainage management, and discloses a drainage pipe network mixed connection and misconnection checking system, method and device, and the system comprises an infrasonic wave fingerprint sounder, an infrasonic wave fingerprint receiver and a data background which are in wireless connection in sequence. The infrasonic wave fingerprint sounder is arranged at a pipe opening of a target drainage pipeline, and the infrasonic wave fingerprint receiver is arranged in a drainage pipeline opening in a target diagnosis area; the infrasonic wave fingerprint generator encodes the infrasonic wave fingerprint to obtain an encoded infrasonic wave signal, and sends the encoded infrasonic wave signal into the target drainage pipeline; the infrasonic wave fingerprint receiver collects infrasonic wave fingerprint signals of the drainage pipeline opening in the target diagnosis area; and the data background performs pipeline communication detection and mixed and wrong connection point judgment based on the coded infrasonic wave signal and the infrasonic wave fingerprint signal to obtain a drainage pipe network mixed and wrong connection troubleshooting result. According to the method, the accuracy of a drainage pipe network mixed connection and misconnection troubleshooting result is ensured, and the troubleshooting efficiency is improved.

Systems, computer readable medium and methods for fully autonomous drone flight are disclosed. Example methods include taking off, navigating in accordance with a flight plan, and navigating the autonomous drone to land. The autonomous drone performs flight plans with only an initial command for the autonomous drone to fly and, in some examples, an indication of a landing space such as an open hand presented under the autonomous drone. After an initial fly command, the autonomous drone is not controlled by a remote-control device and does not receive any additional commands to complete the flight plan. The autonomous drone enters a lower energy state while flying where the wireless connections are turned off since the autonomous drone does not respond to commands during flight.