119 results about "Communications media" patented technology

The invention relates to the technical field of free space optical communication, and discloses a wireless optical communication device which comprises a transmitting end and a receiving end. The transmitting end comprises an information source generation unit, a coding unit, a modulation unit, a driving unit, a light source unit and a transmitting optical assembly; the receiving end comprises a receiving optical assembly, a CCD camera, a signal processing unit, a demodulation unit and a decoding unit; in actual use, wireless communication is carried out through the optical medium, the communication medium is safe, and the problems of active electromagnetic silence and passive electromagnetic suppression do not need to be worried about; the coverage range of visible light is wide, the communication range is wide, and deployment is convenient; in addition, communication is carried out through the CCD camera, so that the original CCD camera can be replaced in some scenes where the CCD camera is installed, and image shooting and wireless optical communication can be realized at the same time.

Embodiments are described for monitoring a communications medium between a user and one or more other users and one or more products for selection, and collecting data about the users, the one or more products, and historical interactions among the users and the products from the monitored communications medium. Features pertaining to the collected data are defined and selected, and a candidate ranking process is trained using a LambdaMART Learning-to-Rank model based on the defined features. The model is deployed and applied to live data to produce product recommendations for display to the user. The model is retrained using refreshed data based on user behavior evidenced in the live data to update the model for the user behavior.

The invention provides a servo mechanism control system and method based on TSN network communication, and relates to the field of servo mechanism control. According to the system, a TSN network communication interface is adopted, and 1Gbps instruction receiving and sending can be achieved. Through optimization mechanisms such as time synchronization, flow scheduling and frame preemption, it is guaranteed that key data streams arrive at destinations within strictly specified time, delay and jitter are extremely low compared with RS422, only the us level exists, and state feedback of a servo mechanism is more real-time and accurate; in a communication period of 1ms, the maximum transmission of a single frame at a rate of 1Gbps can achieve 1500 bytes, and the capacity is greatly improved compared with that of RS422, so that a servo mechanism can return more state information; an optical cable is adopted as a communication medium, electromagnetic interference is avoided, and the real-time performance and stability of the communication process of the servo mechanism are guaranteed; and for a high-dynamic precise control scene, the communication period can be shortened to 500us, the state feedback of the servo mechanism is real-time, and further precise control is facilitated. The problems that a traditional servo mechanism is low in communication rate, limited in single-frame capacity, poor in anti-interference capacity and the like are solved.

A method for sharing a radio frequency (RF) resource among multi-subscriber identification module (SIM) stacks in a multi-SIM device, includes: receiving two paging requests from the multi-SIM stacks for performing communication with a network entity via the RF resource; transmitting the two paging received requests to the network entity via the RF resource; detecting a page sharing conflict between the two paging requests of the multi-SIM stacks; determining, based on the detection of the page sharing conflict, a connection status of a connection between each stack of the multi-SIM stacks and the network entity. The connection status indicates a communication medium via which each stack of the multi-SIM stacks is connected with the network entity. The method includes prioritizing, based on the determined connection status, a grant of the RF resource to a stack of the multi-SIM stacks whose connection status indicates a cellular connection as the communication medium.

The invention relates to a communication media exchange method and system based on SIP soft switch, and belongs to the technical field of SIP soft switch communication. The method comprises the following steps of: determining a media stream transmission endpoint based on soft switch signaling call routing of SIP (Session Initiation Protocol); processing and distributing the original media stream in real time; and the processed media stream is directly docked to realize intelligent interaction. The method has the effect that the docking efficiency with the AI large model can be improved as much as possible.

A system for data communications comprising a handset having a processor, a wireless communications device, a speaker and a microphone and one or more software applications operating on the processor that are configured to interface with a voice over long-term evolution (VoLTE) service. A wireless access point coupled to the handset through a local wireless communications media and the wireless communications device, the wireless access point further coupled to a long range wireless communications media and configured to interface with a server that provides VoLTE calling functionality.

An optical interconnect system comprising: at least one light source for emitting light, the light comprising a distribution pattern having a predefined divergence angle; at least one communication medium for transmitting the light, wherein the at least one communication medium comprises a numerical aperture, and wherein at least one of the numerical aperture, the at least one light source, the predefined divergence angle, and the at least one communication medium, is dimensioned to minimize loss of optical power coupling of the light into the at least one communication medium; at least one light detector for receiving the light from the at least one communication medium; at least one optomechanical alignment system configured to optimize collection of the light at the least one light detector.

The invention discloses an intelligent fusion terminal reading method and device, electronic equipment and a storage medium, and relates to the technical field of power grid systems.The method comprises the steps that a component 1 and a component 2 are constructed in an intelligent fusion terminal; when a reading type service is generated, calling a service interface of a component 1 by using an application thread to put a reading message of the application thread into a first-level cache pool; calling a service interface of a component 2 by using an application thread to put the read message into a second-level cache pool, and sending the read message to a downstream communication medium through the component 2; when the component 2 receives a response message uploaded by a downstream communication medium, searching a reading message with the same ID as the response message in the second-level cache pool by using the component 2, and when the reading message is searched, uploading the response message to the component 1; and searching a reading message corresponding to the response message in the first-level cache pool by using the component 1, and when the reading message is found, reporting the response message to the application thread. According to the method, two stages of cache pools are used, so that the robustness of the copying and reading service is improved.

The present invention improves a possibility of successful uplink communication of an aircraft. In the present invention, a reception unit receives a request for communication in an uplink direction from an air traffic control system, a specification unit specifies the position of an aircraft that is a communication partner of the air traffic control system, an acquisition unit acquires a communication history of an available communication medium, a selection unit selects, on the basis of the position of the aircraft and the communication history of the available communication medium, the communication medium having the highest possibility of successful communication with the aircraft among the available communication media, and an instruction unit causes the selected communication medium to execute communication in the uplink direction.

This utility model discloses an industrial and commercial energy storage system based on PLC communication, including a power supply module. At least one PLC master node module and multiple PLC slave node modules are connected to the power supply module. The PLC master node module is connected to an EMS system via UART and GPIO, with the GPIO serving as an emergency response port. Multiple functional modules are connected to each of the multiple PLC slave node modules. A coupling transformer is installed between the PLC master node module and the multiple PLC slave modules and the power line to establish a communication channel. By utilizing existing power cables as the communication medium, this completely changes the traditional "one module, one cabling" model of energy storage systems, drastically reducing the number of communication cables within industrial and commercial energy storage equipment and significantly shortening cabling time.

The invention discloses a daisy chain type temperature intelligent instrument communication method and system based on an advanced physical layer. A communication method combining the advanced physical layer and a daisy chain topological structure is adopted and applied to a temperature intelligent instrument in the process industry. Collected data and fault data and state data of the intelligent instrument are communicated with the outside through an industrial Ethernet based on an APL, large-scale temperature instrument Ethernet communication in the process industry is realized by adopting a communication medium of the APL, and each instrument in an industrial field is connected with other instruments through an interface of a daisy chain. By adopting the APL instrument, long-distance high-speed communication can be supported, the utilization rate of the acquired data can be improved, the convenience of instrument operation and maintenance can be enhanced, and the defects that the communication content is limited, more meaningful data cannot be transmitted and the use efficiency of the data acquired by the intelligent instrument is reduced due to the fact that the conventional intelligent instrument can only adopt low-speed communication are effectively changed.

The invention provides a communication method, communication equipment and a communication system applied to a non-AP MLD (Multilink Station Device). The method comprises the following steps: initializing a transmission opportunity TXOP access channel under a first link; in the non-AP MLD, periodic communication services of other communication media exist in a second link, and the first link and the second link are non-simultaneous transmission and reception (NSTR) link pairs, the non-AP MLD adjusts operation in the first link, for example, ending TXOP in advance, or entering a power saving mode within an overlapping time. Therefore, the conditions of low transmission efficiency, data packet loss, even communication interruption and the like caused by interference of communication services of other communication media on the current Wi-Fi communication are avoided.

The present disclosure relates to an Ethernet Phy comprising an analog interface for connection to a communication medium, a digital interface, and a wake-up interface, the Ethernet Phy being configured to change from a sleep mode to an active mode or from an active mode to a sleep mode, the Ethernet Phy being configured to receive a first analog signal via the analog interface, the first analog signal representing an Ethernet frame, and the digital interface being configured to receive a second analog signal via the analog interface, the Ethernet Phy is configured to transmit an Ethernet frame via a digital interface only in an active mode and to receive a first wake-up signal representing a first wake-up identifier or a second wake-up identifier via a wake-up interface in a sleep mode, and a controller coupled to the first wake-up signal and configured to change from a sleep mode to an active mode in response to a case where the first wake-up signal represents one of the first wake-up identifier or the second wake-up identifier, and configured to remain in the sleep mode in response to a case where the first wake-up signal represents the other of the first wake-up identifier or the second wake-up identifier. The invention also relates to a method for Ethernet Phy.

Central lubrication system (1), comprising: - a lubricant reservoir (2); - a pumping device (3) for distributing lubricant; - a control device (10) for controlling the pump device (3), - a computer-readable storage medium (12) containing instructions that cause at least one processor (13) to implement a method for controlling a central lubrication system (1) comprising the following: - Instantiating a configuration program (15); - wirelessly receiving and / or sending a set of input parameters (21) to the control unit (10), wherein the set of input parameters set by a user using a mobile device (20) constitutes the configuration of the central lubrication system; - Setting a configuration (16) of the central lubrication system (1) using the set of input parameters (21); - wherein the configuration program (15) is designed as a web server, wherein the method comprises providing a web page via a wireless communication medium (30), in particular via a WLAN network or via Bluetooth - Control of the central lubrication system (1), in particular a pumping device (3) and / or a distributor of a central lubrication system (1), using the configuration (16) when the instructions are executed by the at least one processor (13), characterized in that the control device (10) has a wireless communication device (11) for wirelessly receiving the set of input parameters (21), wherein the control device (10) is configured to set a configuration (16) of the pumping device (3) using the set of input parameters (21).

A payment terminal is provided, which is a composite terminal capable of selecting a plurality of payment methods. The payment terminal includes a touch panel that electrically detects a contact or a proximity of an object as an input detection function, and an antenna for non-contact communication with a communication medium storing information for non-contact payment. The antenna is arranged around the touch panel, and outputs radio waves for the non-contact communication by receiving a power supply. When the non-contact payment is selected, the payment terminal turns ON the power supply to the antenna and turns OFF the input detection function of the touch panel. When the non-contact payment is completed, the payment terminal turns OFF the power supply to the antenna and turns ON the input detection function of the touch panel.

The present disclosure relates to the technical field of artificial intelligence, and particularly relates to a complaint prediction method and model training method and device. The complaint prediction method comprises: obtaining a network index data set corresponding to any user identifier in a full user identifier, the network index data set comprising a first network index data subset corresponding to a network node device and / or a second network index data subset corresponding to a communication medium; preprocessing the network index data set to obtain a processed network index data set; inputting the processed network index data set into a first prediction model for prediction to obtain a prediction result, wherein the prediction result is used to indicate a complaint probability of the any user identifier within a preset number of days for network quality. The present disclosure can provide a complaint prediction mechanism and improve the accuracy of complaint prediction.

A quantum key distributed (QKD) apparatus for use with at least two endpoint devices, the apparatus including QKD links each having a communication medium with a quantum channel and a classical channel, wherein each endpoint has a QKD link connected to the QKD apparatus; transmitters to transmit quantum transmissions over a quantum channel of one of the QKD links; a classical transceiver component to transmit / receive classical data over a classical channel of one of the QKD links; and a controller to route data for quantum transmission to an endpoint via a transmitter assigned to the endpoint over a quantum channel of the QKD link of the endpoint, route classical data to an endpoint via a classical transceiver assigned to the endpoint over a classical channel of the QKD link of the endpoint, and route classical data over the classical channel of the QKD link of an endpoint.

The invention relates to the technical field of low-voltage power utilization, in particular to a real-time regulation and control method based on low-voltage power utilization equipment and related equipment. The method comprises the following steps that: a control platform performs equipment networking according to a white list formed by archive information by a central coordinator by taking a power line as a communication medium to obtain a low-voltage equipment network; the central coordinator identifies the level of the regulation and control instruction; wherein the grades comprise a super-emergency grade, an emergency grade and a common grade; the central coordinator sends the regulation and control instruction to the site according to the identified grade; the site carries out data analysis on the regulation and control instruction according to the identified grade and then sends the regulation and control instruction to the electric equipment; and after the electric equipment completes regulation and control on the analyzed regulation and control instruction, a regulation and control result is returned to the central coordinator through the station. The reliability of the remote regulation and control instruction result can be improved, the data transmission time loss is reduced, the service requirements are flexibly adapted, and equipment communication and service interaction are not influenced.

In an aspect, an ultra-wideband (UWB) controlee device may receive, from a UWB controller device, a listen-before-talk (LBT) configuration for UWB channel access for a UWB ranging session performed over a wireless communication medium, wherein the LBT configuration includes one or more parameters for gaining channel access to the wireless communication medium, wherein the LBT configuration is based on an expected time division duplexing (TDD) slot format of cellular communications, and wherein the wireless communication medium is shared by UWB communication traffic and cellular communication traffic. The UWB controlee device may transmit, during the UWB ranging session, one or more ranging packets over the wireless communication medium based on gaining channel access to the wireless communication medium according to the LBT configuration.

To provide methods and network interfaces to equip network nodes with PLCA (Physical Layer Collision Avoidance) coordinator redundancy.SOLUTION: A physical layer (PHY) network interface 110, 111 includes: a physical medium dependent (PMD) sublayer 112 that is a transceiver circuit configured to send and receive network data packets via a communications medium 102; and a PLCA controller 118 configured to provide redundancy by causing the transceiver circuit to transmit a beacon signal upon detecting a transmit opportunity for a node ID that exceeds a total node count by an amount equal to a local node ID even when the local node ID is greater than zero.SELECTED DRAWING: Figure 1B

The invention discloses an unmanned aerial vehicle water-air dual-medium adaptive communication optimization method and related equipment. The method comprises the following steps: acquiring unmanned aerial vehicle environment sensing information; determining the current communication medium state of the unmanned aerial vehicle according to the unmanned aerial vehicle environment sensing information; the communication medium state comprises an air state, an underwater state and a water-air interface crossing state; generating a target communication strategy according to the current communication medium state of the unmanned aerial vehicle, and controlling the unmanned aerial vehicle to execute the target communication strategy; the communication strategies comprise an air communication strategy, an underwater communication strategy and a water-air dual-medium communication strategy; and dynamically monitoring the communication link performance index of the unmanned aerial vehicle, and dynamically optimizing the target communication strategy in combination with the environment change information and the communication link performance index. The technical problem that the communication performance of the unmanned aerial vehicle on the water-air interface is sharply reduced can be effectively solved, smooth transition and high-reliability maintenance of the communication link in the double-medium environment are achieved, and the method can be widely applied to the technical field of unmanned aerial vehicle communication.

The present disclosure provides an information synchronization method, device, computer equipment and storage medium. The information synchronization method provided by the present disclosure is applied to a first terminal, and the method comprises the following steps: receiving a first notification sent by a first service, wherein the first notification carries to-be-synchronized information; acquiring at least one second terminal of a published notification service on a soft bus, wherein the first terminal has published a notification service on the soft bus, the soft bus is used to determine an optimal communication medium between terminals of the published notification service on the soft bus according to a communication factor in a current environment, and an information transmission channel is established between the terminals of the published notification service based on the optimal communication medium; and sending the first notification to the at least one second terminal based on the soft bus. The present method realizes information synchronization of different terminals on the basis of high universality; meanwhile, the information synchronization function does not need to be complicatedly adapted by software, and the use is simple and the usability is strong.

Methods and network interfaces are provided to equip network nodes with PLCA (Physical Layer Collision Avoidance) coordinator redundancy. One illustrative network interface includes: a transceiver configured to send and receive network data packets via a communications medium; and a PLCA controller configured to provide redundancy by causing the transceiver to transmit a beacon signal when detecting a transmit opportunity for a node ID that exceeds a total node count by an amount equal to a local node ID even when the local node ID is greater than zero. An illustrative network interface method includes: sending and receiving network data packets via a communications medium; and providing PLCA coordinator redundancy by sending a beacon signal when detecting a transmit opportunity for a node ID that exceeds a total node count by an amount equal to a local node ID even when the local node ID is greater than zero.

The invention discloses a networking method and device of unmanned aerial vehicle network nodes and a nonvolatile storage medium. The method comprises the following steps: constructing an unmanned aerial vehicle network system model corresponding to a target area; based on the unmanned aerial vehicle network system model, selecting a networking path meeting a preset condition as a target path; acquiring node information corresponding to the plurality of unmanned aerial vehicle network nodes in real time; updating a link in the target path based on the node information to obtain an updated target path; detecting whether the maintenance duration corresponding to each of the plurality of links in the updated target path is smaller than a preset threshold value or not; and under the condition that the maintenance duration of the first target link is smaller than a preset threshold value, performing routing reconstruction based on the unmanned aerial vehicle network system model. According to the method, the technical problem that the communication between the unmanned aerial vehicles is not stable enough due to high uncertainty and time sensitivity of a network connection state caused by heterogeneous communication media and dynamic change of a topological structure at present is solved.

During a call with an operator, the user simply notifies the center of the reservation information they have issued, and the operator completes the personal authentication process, allowing them to quickly begin handling the inquiry. [Solution] A personal information authentication system in which a first data terminal 3-1 etc., a server device 1, and a second data terminal 4-1 etc. communicate via a predetermined communication medium, wherein the server device 1 includes a first acquisition unit 1-4-1 that acquires contract information of a contract user and personal information for authenticating the contract user input from the first data terminal 3-1 etc., an external memory 1-5 that stores pre-registration information for the second data terminal 4-1 etc. to authenticate the contract user based on the contract information and personal information acquired by the first acquisition unit 1-4-1, and a first issuing unit 1-4-2 that issues access information that makes the pre-registration information accessible.

Procedures and network interfaces are provided to equip network nodes with PLCA (Physical Layer Collision Avoidance) coordinator redundancy. An illustrative network interface includes: a transmitter-receiver configured to send and receive network data packets over a communication medium; and a PLCA controller configured to provide redundancy by causing the transmitter-receiver to transmit a beacon signal when a transmission opportunity is detected for a node ID that exceeds the total number of nodes by an amount equal to a local node ID, even if the local node ID is greater than zero.An illustrative network interface procedure includes: sending and receiving network data packets over a communication medium; and providing PLCA coordinator redundancy by sending a beacon signal when a transmission opportunity is detected for a node ID that exceeds a total node count by an amount equal to a local node ID, even if the local node ID is greater than zero.

The embodiment of the invention provides a social network feature-based team communication complexity analysis method and system, and the method comprises the steps: constructing a command and control social network model, carrying out the fuzzy evaluation of a task unit, determining the overall fuzziness of a task, carrying out the multi-dimensional evaluation of a communication medium, determining a comprehensive value of the richness of the medium, and carrying out the analysis of the richness of the medium. Constructing a task fuzziness-communication medium matching matrix, coupling the task overall fuzziness with a medium richness comprehensive value, determining a medium communication efficiency parameter, and performing complexity analysis on a command and control social network model according to the medium communication efficiency parameter to obtain a command and control social network model; the average path length complexity feature, the network diameter complexity feature and the network density complexity feature of the network are obtained, weighted optimization is carried out on the network edge according to the network complexity feature, an optimized command and control social network model is obtained, and the efficiency of team communication and task execution can be improved.

A computer-implemented method is disclosed for detecting advertisement fraud in real-time using a multi-modal analysis framework. The method involves receiving user data and user action data from a media device, including demographic information and sensor-based interaction metrics such as accelerometer, gyroscope, and touch sensor data. These inputs are processed by an advertisement fraud detection system equipped with a processor and hardware-run algorithms, including a multi-modal machine learning model that distinguishes human from non-human interactions. Fraudulent actions are identified by detecting deviations from predefined behavioral baselines enriched with campaign-level intelligence. The system further analyzes historical ad performance to identify downtime periods characterized by low human activity and high fraud probability. During these periods, fake advertisements are adaptively inserted based on contextual mismatches to confirm fraudulent behavior. Upon detection, notifications are dispatched to advertisers via multiple communication mediums.