40 results about "Signaling protocol" patented technology

The invention discloses a multi-protocol high-speed image data receiving and aligning method and system based on an FPGA (Field Programmable Gate Array), and relates to the technical field of electronic information and image processing. Serial data streams from an image sensor are received, an FPGA serial input primitive is dynamically called to convert serial data into parallel data; a low-voltage differential signal protocol, a mobile industry processor interface protocol and a serial low-voltage signal protocol are supported; a configurable sliding window mechanism is adopted to compare synchronous codes in real time, and byte boundaries are locked; by identifying the time difference of arrival of data of each channel, multi-channel phase alignment is realized by adopting hardware-level delay compensation, and data arriving at the channel in advance is compensated by adopting a first-level register cache; and analyzing frame header and frame tail information of the image data, reconstructing an original image matrix and generating a video time sequence signal. The problems of poor compatibility and high resource consumption in multi-protocol high-speed image data receiving are solved.

The invention discloses a vehicle control method and device and a readable storage medium, and relates to the technical field of new energy vehicles. The vehicle control method comprises the steps of determining a signal protocol type of a first video signal under the condition that the vehicle-mounted screen projection equipment receives the first video signal; under the condition that the signal protocol type is a first video protocol, converting the first video protocol into a vehicle-mounted video protocol, so that the first video signal is converted into a vehicle-mounted video signal; under the condition that the signal protocol type is a second video protocol, converting the second video protocol into the first video protocol so as to convert the first video signal into a second video signal, and converting the first video protocol into a vehicle-mounted video protocol so as to convert the second video signal into a vehicle-mounted video signal; and controlling the vehicle-mounted screen projection equipment to output the vehicle-mounted video signal. According to the invention, the signal compatibility of the vehicle-mounted screen projection equipment is improved.

This invention discloses a multi-protocol high-speed image data reception and alignment method and system based on FPGA, belonging to the fields of electronic information and image processing technology. It receives serial data streams from image sensors, dynamically calls FPGA serial input primitives to convert serial data into parallel data, and supports low-voltage differential signals, mobile industrial processor interfaces, and serial low-voltage signal protocols. A configurable sliding window mechanism is used to compare synchronization codes in real time and lock byte boundaries. By identifying the arrival time difference of data from each channel, hardware-level delay compensation is used to achieve multi-channel phase alignment, and data arriving early from other channels is compensated using a first-level register buffer. The image data's frame header and tail information is parsed to reconstruct the original image matrix and generate a video timing signal. This invention solves the problems of poor compatibility and high resource consumption in multi-protocol high-speed image data reception.

The application discloses a portable device video signal analysis system and method based on a multi-protocol interface, relates to the technical field of video signal protocol conversion management, and is characterized in that the application analyzes the differences in conversion conditions and the deviations in conversion time length by means of protocol conversion records generated by a portable device with a multi-protocol interface under different protocol conversion modes, and evaluates the performance stability of the portable device in the process of executing video signal protocol conversion by means of finding other historical protocol conversion execution records that can verify the change of conversion time length and conform to the working performance law of the portable device, so that potential problems existing in the process of executing protocol conversion by the portable device can be found and solved in time, the stability and reliability of video signal transmission processing are improved, and the risk of transmission conversion collapse or abnormality is reduced.

A system and method including a first device provided on an object and configured to receive wireless communication signals from a remote device in accordance with a device signaling protocol. The first device may include a high-frequency interface operable to transmit and receive communication signals via a physical medium, where the high-frequency interface is configured to communicate via the physical medium in accordance with same device signaling protocol utilized for wireless communications.

A cloud exchange platform includes policy-based routing. Labeling (or tagging) on a multi-tenant virtual private network (VPN) facilitates recognition of active routes for a flow. The tags can be implemented such that flows are treated as having active routes across a multi-tenant VPN to enable a customer to treat flows as having an identifiable active route through the multi-tenant VPN. Thus, for example, BGP can be used as a generalized signaling protocol to carry information about flows through a multi-tenant VPN.

In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE determines an access type for connecting to an IMS is a low data rate / high latency access type. The UE performs one or more actions based on a predefined access profile, including: indicating, to a network entity of the IMS during an IMS registration procedure, one or more pre-configured parameters applicable to the low data rate / high latency access type; executing one or more pre-defined signaling sequences for the low data rate / high latency access type; using one or more pre-defined media handling components without negotiation with the IMS; and applying one or more extended timer values for one or more signaling protocols, wherein the one or more extended timer values are longer than corresponding timer values used for a higher data rate / lower latency access type.

The invention discloses a conference system based on 5G NR broadcast, belongs to the technical field of intersection of wireless communication and conference systems, and aims to solve the technical problem of how to realize a secure conference based on 5G NR broadcast and improve the overall performance and user experience of the conference system. The identity switching module is used for realizing real-time switching of keynote speaker identities through a signaling protocol; wherein the real-time switching of the speaker identity adopts a pre-authorization token mechanism, and a token comprises a temporary mobile group identification field, an effective timestamp field and a digital signature field; the real-time transcoding module is used for converting an uplink unicast stream into a downlink broadcast stream so as to realize media stream unicast-to-broadcast conversion; the bypass transmission channel module is used for realizing direct communication between the terminal devices and bidirectional data interaction between the terminal devices; and the multi-layer nested encryption module is used for carrying out collaborative encryption on data through an application layer, a transmission layer, a network layer, a PDCP layer and a physical layer.

The application discloses a kind of multi-protocol interface adaptive switching touch screen driving integrated circuits, including protocol detection module, protocol switching controller, I2C interface circuit, USB interface circuit, touch signal processing module and power management module.Protocol detection module is automatically identified input signal protocol type by voltage comparator and frequency detection unit, protocol switching controller completes interface switching within 100ns, supports the seamless switching of I2C (100kHz-1MHz) and USB (1.5MHz-12MHz) protocol.Touch signal processing module uses 12-bit ADC and digital filter to realize high-precision touch coordinate calculation.The integrated circuit uses 7mm×7mm QFN package, single-chip solution multi-protocol compatibility problem, can reduce system complexity by more than 30%.

A signal encoding and decoding protocol to transmit both clock information and a data payload in a single line is disclosed. Data may be encoded in a unipolar non-return-to-zero line in which an initial pulse width determines a clock frequency, followed by a series of pulses indicating the data payload. Each clock transition following an initial synchronization pulse indicates a data bit in which the value of the bit is determined in relation to the previous bit. Edge information may indicate a change in bit value from the previous bit. If the transmission signal remains at the same level for a subsequent clock period, the bit value remains the same.

A method and a device perform data communication between a superordinate computer system of an ultrasonic measurement system and an associated ultrasonic sensor via a modified UART data interface. The method and device exit the UART protocol and use a special signaling protocol and a modification of the UART data interface for the duration of an ultrasonic measurement phase to transmit the arrival of echoes at the ultrasonic sensor promptly to the superordinate computer system and return to the UART protocol for the data transmission from the ultrasonic sensor to the superordinate computer system after the end of the ultrasonic measurement phase.

The utility model provides a signal control system of an unmanned aerial vehicle, which is used for realizing CAN communication between a flight controller and a sensor assembly and between the flight controller and a motor assembly by configuring a first CAN chip and a CAN signal converter on the unmanned aerial vehicle, the CAN signal converter can convert a CAN signal into a standard signal and then communicate with electrical equipment on the unmanned aerial vehicle, such as a serial port signal, an I2C signal, an SP I signal, a PWM signal and the like, so that the number of required wires is reduced, and direct interference between different signal protocols is effectively reduced.

The application provides a charging metering port switching method and circuit, relates to the technical field of charging piles, and comprises the following steps: obtaining the meter type of a target meter; determining the signal type and signal protocol format of the target meter according to the meter type of the target meter; generating a first control signal and controlling the conduction of a first target channel of a channel selection module according to the signal type of the target meter, so that the target meter is connected to a target signal conversion module through the first target channel, the meter signal of the target meter is converted through the target signal conversion module, and a converted meter signal is obtained; generating a second control signal and controlling the conduction of a second target channel of a channel switching module according to the signal protocol format of the target meter, so that the converted meter signal is sent through the second target channel, and the switching of the charging metering port is completed. The application can realize the high compatibility of different types of meters.

The utility model discloses a signal protocol conversion device used based on an intelligent ward, and relates to the related technical field of converters. The device comprises a converter. An assembling plate is arranged on the lower end face of the converter, an installing opening is formed in the lower end face of the converter, a protruding part at the upper end of the assembling plate is located in the installing opening, a notch is formed in the lower end face of the assembling plate, a magnetic block is fixed in the notch, a square opening is formed in the position, located at a ventilation opening, of the surface side of the converter, and a cleaning plate is arranged in the square opening. A plurality of dust accumulation cylinders inserted into the ventilation openings are fixed to the side wall of the cleaning plate. According to the utility model, the magnetic block is mounted at the bottom of the converter, so that the converter can be conveniently adsorbed on the metal side wall in the network box, the position stability of the converter is ensured, and meanwhile, the dust accumulation cylinder is arranged in the ventilation opening in the side wall of the converter, so that dust is prevented from accumulating in the ventilation opening and being difficult to clean.

The invention provides a non-cellular network sensing device access method and system, a sensing control plane network element, a non-cellular network sensing device, a sensing user plane network element, an electronic device, a medium and a program product, and relates to the technical field of mobile communication and terminals. The method comprises the following steps: receiving a sensing task starting message sent by an application function network element, wherein the sensing task starting message is used for triggering a corresponding sensing operation; judging the sensing task requirement information to obtain sensing task instruction information, and updating a sensing task starting message; and forwarding the updated sensing task starting message to the non-cellular network sensing device through an intercommunication gateway, so that a sensing data communication tunnel is established between the non-cellular network sensing device and the sensing user plane network element, and the intercommunication gateway is used for converting a signaling protocol of the non-cellular network sensing device into a cellular network standard protocol. According to the method and the device, the non-cellular network sensing equipment can be effectively accessed to the existing communication network, so that the development requirement of communication and sensing integration is met.

The application discloses a kind of home elevators suitable for old control method and system, belong to elevator monitoring technical field.The application aims at solving the technical problems that existing home elevators cannot dynamically consider the efficient needs of young users and the safety needs of old users, and switching mode in operation easily leads to car stagnation.The method comprises: converting the physical trigger signal outside the hall into high-priority bus instruction through the signal protocol adaptation unit;The central main controller executes the time-sharing response strategy according to the real-time running state of the elevator: when it is detected that the elevator is in the non-level running state, the man-machine interaction system is preferentially controlled to switch to the interface suitable for the old and to play the soothing voice, and the parameter adjustment instruction for the frequency conversion drive and the door system is cached to the execution queue of the next running cycle;When the elevator is in the state of stopping or completes the current journey, the low-speed S-shaped driving curve is loaded synchronously, the light curtain protection area is expanded, and the door opening time is extended.

This invention relates to the field of computer multimedia communication, and in particular to a WebRTC video conferencing system and media stream conversion method compatible with GB / T28181 devices. The system adopts a layered architecture, including a service layer, a STUN / TURN server, a signaling layer, and a media layer. The service layer provides service interfaces for WebRTC clients and stores service data. The STUN / TURN server is used to implement NAT traversal. The signaling layer includes a WebRTC signaling module, a signaling protocol conversion module, and a GB / T28181 signaling module. The media layer includes a WebRTC media module, a media transcoding module, a congestion control module, and a GB / T 28181 media module. This solution proposes the IGCC-A algorithm to reduce frequent jitter in the transmission rate caused by small fluctuations in network latency, and realizes the structure of a WebRTC video conferencing system that accesses GB28181 devices.

In one implementation, a network interface receives a communication request. A processor then obtains a first flag compatible with a first signaling protocol. The processor generates a second flag derived from the first. This second flag is compatible with a second signaling protocol. The processor transmits the second flag.

Programmatic control of device I / O for both EMF reduction and attention regulation is disclosed. A device I / O controller application enables management of the device's I / O channels in response to control rules that may be static or dynamic, or dynamically inferred by AI models. These controls reduce EMF emissions and help manage cognitive burden by regulating attention disrupting activity at both the system and application levels. App-level mediation capabilities allow suppression of specific behaviors such as autoplay, message alerts, and background media playback during periods of focus or rest. A quiet mode, administered by an administrator, governs I / O settings to create a quiet zone. Within this zone, some or all nearby devices respond to a signaling protocol by entering a quiet state, thereby minimizing EMF output and reducing sensory or cognitive interruptions associated with device connectivity.

The invention relates to the technical field of wireless communication signal processing, in particular to a non-cooperative signal whole-process processing and multi-station cooperative positioning method based on deep learning. According to the technical scheme, the method comprises the steps of frequency spectrum monitoring and signal detection, non-cooperative signal demodulation, radiation source identification, special signal protocol analysis and multi-station cooperative positioning. According to the invention, the limitation of link-by-link isolated processing in the traditional technology is broken through, and the integrated and high-robustness processing of the non-cooperative signal from detection to positioning is realized; core pain points such as difficulty in weak signal detection, influence of phase distortion on demodulation, restriction of low signal-to-noise ratio on recognition, contradiction between data privacy and positioning precision and difficulty in adaptation of a model to environment change in a complex electromagnetic environment are solved, and non-cooperative signal processing efficiency and positioning precision are integrally improved through collaborative optimization of all links. The method can stably adapt to actual requirements of key scenes such as frequency spectrum monitoring, electronic countermeasure and public safety prevention and control, and has remarkable practical value and technical advantages.

A method of processing signaling protocol packets in a communication network is disclosed. The method includes extracting packets from the communication network as packet capture (PCAP) packets. For each message of the PCAP packets, processing is performed based on one or more selected but not all signaling session fields to identify an abnormal message. Processing is performed on the abnormal message to perform any one or more of the following: root cause analysis of an anomaly in the communication network; analysis of behavior of the communication network; troubleshooting of a problem in the communication network.

The invention provides a charging metering port switching method and circuit, and relates to the technical field of charging piles, and the method comprises the steps: obtaining an ammeter type of a target ammeter; determining a signal type and a signal protocol format of the target ammeter according to the ammeter type of the target ammeter; according to the signal type of the target electricity meter, generating a first control signal and controlling a first target channel of the channel selection module to be conducted, so that the target electricity meter is connected with a target signal conversion module through the first target channel, and converting the electricity meter signal of the target electricity meter through the target signal conversion module to obtain a converted electricity meter signal; and according to the signal protocol format of the target ammeter, a second control signal is generated, and a second target path of the channel switching module is controlled to be conducted, so that the converted ammeter signal is sent through the second target path, and switching of the charging metering port is completed. According to the invention, high compatibility of different types of ammeters can be realized.

A method for providing a signalling protocol for a multi-agent intelligent network providing distributed attention. The method comprises providing the nodes of the first layer with an acquired input sequence as the input tokens and then, for each layer, processing the input in each node in the current layer to generate the output information of the node. Furthermore, the method involves sharing output information with nodes of the same current layer and then sharing output information as input information to the one or more nodes of the subsequent layer, whereby the nodes of the final layer provide processed output labels.

A signal encoding and decoding protocol to transmit both clock information and a data payload in a single line is disclosed. Data may be encoded in a unipolar non-return-to-zero line in which an initial pulse width determines a clock frequency, followed by a series of pulses indicating the data payload. Each clock transition following an initial synchronization pulse indicates a data bit in which the value of the bit is determined in relation to the previous bit. Edge information may indicate a change in bit value from the previous bit. If the transmission signal remains at the same level for a subsequent clock period, the bit value remains the same.

The application introduces a roadside traffic signal data acquisition and processing system and method, wherein the roadside traffic signal data acquisition and processing system comprises: a traffic signal controller for controlling the traffic light at the road intersection; and a signal protocol conversion device for acquiring the data of the traffic signal controller and sending the acquired data to a data center. The signal protocol conversion device comprises a voltage acquisition unit for acquiring the voltage data in the traffic signal controller and a pulse detection unit for acquiring the pulse data in the traffic signal controller, and the voltage acquisition unit and the pulse detection unit are connected with the traffic signal controller respectively. Based on the above system design, the roadside traffic signal data acquisition and processing method designed by the application has the advantages of wide voltage acquisition range, high acquisition frequency, short processing time, wide adaptability and high reliability.

The invention discloses a Signal protocol end-to-end communication system and method based on anti-quantum cryptography, electronic equipment and a storage medium, and belongs to the field of network security communication, and the system comprises an X3DH protocol anti-quantization module and a dual-ratchet algorithm anti-quantization module; wherein the X3DH protocol anti-quantization module is used for completing identity authentication by using a Hash-based post-quantum signature algorithm SPHINCS + in an identity authentication process, and the signature process is realized through a WOTS + chain and a Merkle tree; a secret key encapsulation mechanism Kyber is adopted in the secret key exchange process, and noise vector and polynomial ring operation are introduced when a shared secret key is generated; in the replay attack defense process, a timestamp and a random number generated by anti-quantum hash SHA-3 are added in a pre-shared key PreKey, and reuse is prevented in combination with a one-time session ID; according to the invention, the communication security is enhanced, and the compatibility is improved.

Various embodiments include systems and methods for supporting communication session establishment (e.g., Web Real-Time Communication (WebRTC) session establishment) between endpoint computing devices. Various embodiments include systems and methods that may provide for a server (e.g., a Simple WebRTC Application Protocol (SWAP) server acting as a WebRTC signaling server) that protects message privacy and integrity between endpoint computing devices by acting as a rendezvous point for applications and services. Various embodiments include systems and methods defining a simple, secure, and extensible signaling protocol that may allow a receiving party to determine and control other parties that may connect to the receiving party via communication session (e.g., a WebRTC session).

A method for identifying accounts used to make noncompliant calls (e.g., robocalls or voice spam calls) includes obtaining, by a communication services platform, one or more metrics for voice calls associated with a first identifier of a first communication endpoint. The one or more metrics include an average call duration for the first identifier or a predetermined signaling protocol code. The method includes determining, based on the metrics, a risk score associated with the first identifier. The method includes performing, based on the risk score, a corrective action with respect to an account of the communication services platform. The account can be associated with the first communication endpoint.

An isolation high-speed serial interface integrated circuit supporting a switchable protocol comprises an FPGA module, a digital isolation module, a level conversion module, an analog switch module and an external communication interface, and the FPGA module is used for processing UART signals, input and output of synchronous clock signals, signal enabling control and switching configuration of RS232, RS485 and RS422 modes; the digital isolation module isolates an interface signal from an FPGA port signal through two groups of mutually isolated power supplies; the level conversion module is used for converting the UART signal into an RS232 level, an RS485 level or an RS422 level; and the analog switch module converts the RS422 signal into a half-duplex RS485 signal protocol mode at the level conversion module. According to the invention, flexible switching of three serial communication protocols of RS232, RS485 and RS422 can be realized, and communication requirements of different application scenarios can be met.

A system that incorporates aspects of the subject disclosure may perform operations including, for example, receiving, via an antenna, a signal generated by a communication device, detecting an interference in the signal, the interference generated by one or more transmitters unassociated with the communication device, and the interference determined from signal characteristics associated with a signaling protocol used by the one or more transmitters, and performing signal conditioning on the signal to reduce the interference. Other embodiments are disclosed.