234 results about "Communications media" patented technology

The invention discloses a traffic supervision system applied to an intelligent street lamp and an intelligent supervision method thereof, relates to the technical field of intelligent traffic, and solves the problems that an existing intelligent street lamp system lacks a physical-digital mapping relation, edge computing resource allocation is low in efficiency and cloud computing delay is high. According to the scheme, on the basis of multi-sensor data fusion, space-time reference unification is carried out by adopting an atomic clock and a GNSS, and a dynamic causal graph is constructed through a graph neural network, so that abnormal event detection is optimized; an improved Jaccard space-time similarity algorithm is adopted to optimize calculation task allocation, an edge calculation cluster is constructed based on 5G-V2X, and high-risk region identification and traffic flow prediction are carried out; a LiFi or 5G-UWB communication medium is adaptively selected through a multi-modal fusion reinforcement learning algorithm, and efficient early warning information synchronization is realized; according to the method, the multi-source data fusion value and the early warning precision are remarkably improved, the computing power resource utilization rate is optimized, and the instruction real-time performance and the system self-adaptive capability in a complex environment are enhanced.

According to the nucleic acid extraction and detection device and the use method, by forming a plurality of communicating holes and taking a rotary valve as a communicating medium, communication among functional chambers is achieved, then sample transfer is achieved, the whole transfer process is completed in an internally-closed environment, sample pollution is not caused, and the detection efficiency is improved. The rotating cover and the rotating valve rotate synchronously, and the rotating cover is also closed when the rotating valve is closed, so that the sealing performance of the cavity in the uniform mixing and reaction process is ensured, and the stability of a pre-stored reagent and the safety of the reaction process are ensured; the sample transfer step is reduced, the pollution risk is reduced, the whole process is completed only through manual operation without a power supply or other equipment, and the method can be used for household self-inspection or in areas with limited resources or even in extreme environments without power supply.

Monitoring, detecting, estimating, and alerting of cellular vehicle-to-everything PC5 (CV2X-PC5) operation status of a vehicle is performed. Inputs indicative of message timing of messages over CV2X-PC5 are received, the messages being used for one or more subscribed vehicle features. Time synchronization of the received inputs is monitored. It is determined whether a synchronization issue is detected, including to perform regression estimation for early prediction of potential time synchronization issues. Responsive to occurrence of the synchronization issue, an alternate wireless communication medium of the vehicle is used to mitigate effects of the synchronization issue on the one or more subscribed vehicle features.

The invention discloses a soft gateway system supporting data exchange among multiple devices, which comprises an interface driving unit and a data link unit connected with the interface driving unit, and is characterized in that the interface driving unit is used for establishing a connection relationship with various field devices to complete data acquisition; mapping from external interface data to memory data is completed, and the data is sent to a specified field device; the data link unit is used for establishing an input node data pool, selecting input node data from the input node data pool for protocol conversion, and constructing an output node data pool; different protocol analysis and interface requirements can be flexibly met, the soft gateway is used as a communication medium, the gateway can be customized and configured at will, and the field cost of an enterprise can be saved.

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.

A request associated with access to a restricted computer resource by a computer application of a device is received via a first communication medium. It is determined that the request is provided by the device with an IP address not included in a group of authorized IP addresses. A registration secret is generated. A representation associated with the registration secret is provided via a second communication medium. A token signed using the registration secret is received. In response to successfully validating the token, a communication secret is generated and associated with an identifier associated with the device. The communication secret is provided for use by the computer application of the device to access the restricted computer resource.

Firmware over-the-air (FOTA) flash update control techniques include receiving, by a FOTA supervisor module connected to a controller area network (CAN) of an electrified vehicle, a FOTA flash update via a wireless communication medium and determine a set of controllers on the CAN that are intended to be flashed by the FOTA flash update, transmitting, by the FOTA supervisor module via the CAN, a FOTA applicability signal indicative of the set of controllers on the CAN that will be flashed by the FOTA flash update and a maximum FOTA time for performing the FOTA flash update, and controlling, by a propulsion supervisory controller connected to the CAN, a propulsion system of the electrified vehicle, based on the FOTA applicability signal, to overcome a conflict between the propulsion system and the performing of the FOTA flash update.

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.

Various embodiments are generally directed to embodiments discussed herein. An example system includes a processor, and a memory having instructions stored therein. The instructions include a discovery module, a mapping module, an assignment module, a tracking module, a chunking module and an evolution module. When the instructions are executed by the processor, the instructions cause the processor to: monitor, by using the discovery module, documents within document repositories and communications in one or more communication media; identify, by using the discovery module, ideas in the monitored documents and communications; map, using the mapping module, knowledge within an enterprise based on the monitored documents and communications; provide, using the tracking module, tracking and management of the identified ideas; chunk, using the chunking module, the monitored documents and communications to provide context of the identified ideas; and track, using the evolution module, progression of the identified ideas over time.

The present invention relates to a technology for converting energy (kinetic energy and biomechanical energy) discarded to the surroundings into electrical energy through an energy harvesting technology, and utilizing the body as a power communication medium to transmit the energy to a necessary part anywhere inside or outside the body, and an application thereof. The present invention suggests a wireless power communication technology which does not require a separate wire connection between a power generator and a battery, thereby solving the power line problem of existing energy harvesting and accelerating commercialization of the energy harvesting technology.

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 client-side electronic device includes a receiver, a processor, and a memory. The receiver communicates with a message server over a communication medium of a communication network. The memory stores computer-executable instructions, which, when executed by the processor, cause the device to receive, from the message server, a broadcast message, a timestamp associated with the broadcast message, and a first digital signature of the broadcast message and a second digital signature of the timestamp. The executed instruction further cause the device to verify an integrity of the broadcast message based the first or second digital signatures, determine a freshness of the broadcast message based on the received timestamp, calculate a trust state of the broadcast message based on the integrity verification and the freshness determination, and store the broadcast message in the memory along with the calculated trust state.

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.

Network interfaces and associated methods are provided to dynamically determine locally unique MAC addresses. A network node may include a network interface coupled to a host device, the network interface being configured to: broadcast a local claim message to all other nodes on a communications medium, the local claim message specifying a MAC address selected by the network interface; compare a transmit time of the local claim message to a transmit time of any remote claim message specifying the MAC address that is received before a predetermined interval has elapsed; and respond to any remote claim message specifying the MAC address that is received after the predetermined interval has elapsed by broadcasting an assert message specifying the MAC address.

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.

Disclosed in the present application are a communication method, a communication device and a communication system. The communication method comprises: a first communication device determining a first radio frame, wherein the first radio frame comprises first identification information, and the first identification information identifies: the first communication device having communication services over other wireless communication media, and releasing or terminating a block acknowledgment (Block ACK) mechanism that has been established between the first communication device and a second communication device; and sending the first radio frame, so as to reduce the impact of the communication services over the other wireless communication media on a Wi-Fi communication service, and avoid data packet loss and communication resource waste between the communication devices caused by the interference of communication tasks over the other wireless communication media, thereby further improving the reliability and efficiency of communication transmission.

The present invention relates to a method and system for controlling wireless communication between a vehicle (10) and a remote device (112). To this end, the vehicle (10) receives a notification from the remote device (112) indicating the availability of a software update. The vehicle (10) transmits to the remote device (112) initial data representing a plurality of wireless communication media (101, 102) available for receiving the software update. This initial data includes the available data rate for each wireless communication medium. The vehicle (10) receives the software update data from the remote device (112), distributed across the wireless communication media (101, 102) according to the available data rates on each of these wireless communication media (101, 102). (See Figure 1 for abbreviations.)

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.

A high voltage management system for an electrified vehicle having firmware over-the-air (FOTA) capability receives, via a wireless communication medium, a FOTA flash update for a set of components of the electrified vehicle, receives, from a customer, a customer input indicating a desired time to perform the FOTA flash update, coordinates the FOTA flash update of a set of components based on the customer input, controls an electrified powertrain, including a high voltage system, of the electrified vehicle, and ignores or rejects a plurality of valid high voltage wakeup requests for the high voltage system to prevent interruption of the FOTA flash update of the set of components.

The embodiment of the invention relates to a communication method, station equipment, access point equipment and a communication system. The communication method comprises the following steps: determining a first wireless frame; the first wireless frame identifies that the station equipment terminates or changes communication information of communication services of other wireless communication media; the first wireless frame comprises first identification information, and the first identification information identifies the terminated or changed communication service; and sending the first wireless frame. Therefore, a mode for preventing the Wi-Fi communication service from being interfered by services of other wireless communication media is provided.

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.

The embodiment of the invention relates to a communication method, communication equipment and a communication system. The communication method comprises the following steps: a first communication device determines a first wireless frame; wherein the first wireless frame comprises first identification information, and the first identification information identifies that the first communication device transmits communication technical parameters of a wireless fidelity (Wi-Fi) communication service under the condition that communication services of other wireless communication media coexist with the Wi-Fi communication service; and sending the first wireless frame to stipulate the influence of communication services of other wireless communication media on Wi-Fi communication services, thereby improving the performance and adaptability of the device in a multi-wireless communication medium coexistence environment, avoiding mutual interference between the Wi-Fi communication services and the communication services of other wireless communication media, and being suitable for UHR transmission requirements.

To provide a contactless communication medium that enables easy adjustment of resonant frequency according to carrier frequencies of reader / writer sides, even when an antenna is formed using a conductive wire, thereby ensuring stable information transmission and reception.SOLUTION: A contactless communication medium of the present invention includes: a support substrate; a circuit device having first and second connection terminals disposed on the support substrate; and a conductive pattern electrically connected to the circuit device. The conductive pattern includes a coil portion in which a conductive wire is spirally wound, and a loop portion formed of the conductive wire and disposed on the inner periphery of the coil portion. A first end of the conductive wire of the coil portion is connected to the first connection terminal of the circuit device, and a second end of the conductive wire of the coil portion is connected to the second connection terminal of the circuit device. First and second ends of the conductive wire of the loop portion are connected to one of the first and second connection terminals of the circuit device. At least a part of the conductive wire of the loop portion is parallel to the coil portion.SELECTED DRAWING: Figure 1