780 results about "Communicating Junction" patented technology

The invention relates to the technical field of communication, in particular to an interference avoidance test method and device based on wifi equipment, and the method comprises the steps: determining a test case parameter according to a product specification parameter of to-be-tested equipment; establishing communication connection between the to-be-tested device and the networking device according to the test case parameters; obtaining a target interference signal meeting a test requirement; a target interference signal is sent to the to-be-tested device in the service transmission mode, a test response parameter of the to-be-tested device in a preset test time period is acquired, and the test response parameter is a parameter after the to-be-tested device is interfered by the target interference signal when the to-be-tested device and the networking device perform service transmission; and according to the test reaction parameter, obtaining a test result of the to-be-tested device, the test result being whether the response of the to-be-tested device to the target interference signal meets a preset interference avoidance standard. According to the method, whether the to-be-tested equipment meets the preset interference avoidance standard can be accurately evaluated, and the test accuracy and reliability are improved.

The present disclosure relates to communication methods, apparatus, devices, space-based platforms, and storage medium. In one example method, a space-based platform establishes, based on a preset time rule, a communication connection with a machine type communications (MTC) device located in a first area. After the communication connection is established, the MTC device sends first information to the space-based platform, so that the space-based platform sends the first information to a communications device located in a second area.

The embodiment of the invention provides a controller for accelerated calculation and an accelerated calculation system.The controller is characterized in that accelerated calculation units in the same accelerated calculation unit group are sequentially connected through an internal bus and are connected to the same shared memory through the internal bus, so that data sharing is achieved; the acceleration calculation units in the other group adjacent to the acceleration calculation units in different acceleration calculation unit groups are in communication connection, and the acceleration calculation units in the other group located on the opposite side are in communication connection. According to the method and the device, the problem that the calculation efficiency of the acceleration calculation task is reduced due to the fact that the on-chip interconnection technology is restricted by a network topology structure and delay is large in a part of transmission processes in the related technology is solved, and the effect of improving the calculation efficiency of the acceleration calculation system is further achieved.

Embodiments of this application provide a multi-device collaboration method, an electronic device, and a related product. The method includes: A first electronic device switches from a first page to a second page, and establishes a first near field communication connection to a first near field device in response to a user's operation on the first page, where on the second page, a device identifier of the first electronic device comes into contact with a device identifier of the first near field device; and the first electronic device switches to a third page, maintains the first near field communication connection to the first near field device, and establishes the first near field communication connection to a second near field device in response to the user's operation on the second page.

The invention discloses an anti-misoperation method and system suitable for a novel power system. The anti-misoperation method comprises the steps of intelligent anti-misoperation terminal automatic forced locking, remote control forced locking and mechanical interlocking forced locking. Electrical misoperation is prevented mainly by monitoring the states of primary and secondary equipment of an electric power system in real time, establishing communication connection, setting forced locking and the like. Basic subsystems including Internet of Things anti-misoperation control, intelligent electronic two-ticket operation management and control, intelligent tool management, intelligent lock control, maintenance isolation locking, field operation management and control and the like are included, and the safety of power equipment and the operation normalization of personnel are ensured. And meanwhile, advanced systems such as digital twin error prevention, intelligent personnel management and control and a remote intelligent control subsystem are covered, and the monitoring efficiency and the emergency response capability are improved by utilizing technologies such as 5G and AI. Misoperation of the power system can be prevented, the efficiency and safety of switching, overhauling and operation and maintenance operation are improved, and safe and stable operation of the novel power system is ensured.

According to the unified communication system provided by the invention, the stable communication connection between the client and the platform is realized through the end-side SDK module, the underlying protocol difference is shielded, and the complexity of multi-protocol adaptation is reduced. The registration center module and the service discovery middleware work cooperatively to perform automatic registration and health check on the service instance, so that the health state of the routing target node is ensured, the request is prevented from being distributed to the fault instance, and the reliability of the system is improved. The load balancing service module serves as a unified communication entrance, processes all flows in a centralized manner, reduces the number of externally exposed ports of the system, shrinks a network attack surface, and enhances security. The platform SDK module provides an interactive interface for the service platform, so that the service platform does not need to care about complex communication details, and the service development efficiency and the system maintainability are improved. The management service web platform provides a centralized visual management and control interface for all the modules, convenient management of plug-ins, SDKs and system configuration is achieved, and the operation and maintenance difficulty is reduced.

The invention relates to the technical field of wireless communication, and discloses a communication method, device and system and a readable storage medium. And the first AP sends forwarding table item update information to the AC when detecting that the wireless network connection state between the STA and the first AP is disconnected, and / or the second AP sends the forwarding table item update information to the AC after detecting that the wireless communication connection with the STA is established. And then, according to the received forwarding table item updating information, the AC can update a historical forwarding table item (corresponding to a mapping relationship between a port connected with a first AP on the AC and an STA identifier of the STA) corresponding to the STA in a forwarding table of the AC into a current forwarding table item (corresponding to a mapping relationship between a port connected with a second AP on the AC and the STA identifier of the STA). Thus, the AC can update the forwarding table item corresponding to the STA in time in a scene that the STA roams from the first AP to the second AP, and the packet loss amount of data sent by the AC to the STA can be reduced.

The invention provides a safety starting method, device and equipment and a readable storage medium, and the method comprises the steps: responding to a request for starting chip firmware, and building communication connection with a safety chip through inter-core communication; obtaining a trusted key root from the security component according to the security chip, and performing mutual challenge authentication with the security chip; according to a mutual challenge authentication with the security chip, a mutual legal authentication result is obtained, and the security chip is requested to start security signature verification; and starting the chip firmware according to a result fed back by the security chip that the signature verification is legal through security starting of the security component. Through the technical scheme of the specification, the isolation security component forms a hardware-level protection island, the risk of physical detection or bypass attack is eradicated, the security chip agents all operations to ensure that the root key cannot be directly accessed by the main MCU, the two-way challenge authentication is combined with the dynamic session key to realize tamper-proofing of inter-core communication, and on the premise of completely eradicating the tamper-proofing process from being hijacked, the security of the main MCU is improved. And the starting reliability and timeliness of the chip are ensured.

The present application relates to the technical field of communications, and discloses an address allocation method, a battery module management method, and an electronic device. The address allocation method comprises: acquiring first device direct-current internal resistance of a first node and second device direct-current internal resistance of a plurality of second nodes that are in communication connection with the first node; according to a preset test rule, sequentially determining cable direct-current resistance between the first node and each second node among the plurality of second nodes; on the basis of the first device direct-current internal resistance, the second device direct-current internal resistance, and the cable direct-current resistance, determining the cable resistance value of a transmission cable between the first node and each second node; and on the basis of an ascending order of the cable resistance value, allocating a network address for each second node.

The invention relates to the technical field of intelligent cabinets, and discloses an intelligent cabinet control method, an intelligent cabinet and a storage medium. The intelligent cabinet control method comprises the following steps: acquiring near field communication connection information, and judging whether an operator account is an associated account of a target intelligent cabinet or not; the near-field communication connection information is generated after it is confirmed that the cabinet operator establishes near-field communication connection with the target intelligent cabinet; when the to-be-processed order exists in the target intelligent cabinet, if a first grid selection instruction sent by a cabinet operator is received, the target intelligent cabinet is controlled to complete door opening operation according to the first grid selection instruction; and when the to-be-processed order does not exist in the target intelligent cabinet, if a second grid selection instruction sent by the cabinet operator is received, the target intelligent cabinet is controlled to complete door opening operation according to the second grid selection instruction. Near field communication connection is established between the cabinet operator and the intelligent cabinet, and through reasonable verification and door opening process design, the operation efficiency of storing and taking express items can be improved on the premise that safety is guaranteed.

The invention provides a power consumption adjusting method and device, electronic equipment, a system and a chip, and the method comprises the steps: building communication connection with slave equipment based on an SPI bus, enabling the SPI bus to be obtained by multiplexing an existing target physical pin, enabling the target physical pin to have a data interaction function with the slave equipment, and enabling the target physical pin to be connected with the slave equipment; the control command is sent to the slave device based on the SPI bus, so that the slave device generates the power consumption information corresponding to the control command, the power consumption is adjusted based on the power consumption information in response to the power consumption information received through the SPI bus, and data interaction with the slave device is realized by multiplexing the existing target physical pin based on the SPI bus, so that the compatibility with different types of PMICs is improved; therefore, refined power consumption adjustment is realized.

The invention provides a DPU-based remote direct memory access queue pair state machine implementation method and device, and the method comprises the steps: creating a flag bit, and setting the value of the flag bit according to each state of a queue pair state machine, so as to achieve state switching; creating a queue pair, and entering a reset state; configuring attributes of a queue pair, and switching to an initialization state; setting parameters of a receiving end, and switching to a ready receiving state; establishing communication connection, setting parameters of a sending end, switching to a ready-to-send state, and executing remote direct memory access operation so as to perform data transmission; if all the data in the sending queue is sent, switching to a sending completion state; if the sending queue has an error, switching from a sending preparation state or a sending completion state to a sending error state; if the queue pair has an error, switching from the current state to the queue pair error; and switching to a reset state after processing an error. According to the method, the flexibility and expansibility of the system are improved, and the processing efficiency of error and abnormal conditions is improved.

The invention relates to the technical field of fire-fighting communication, and discloses a fire-fighting emergency communication method and system, and the method comprises the steps: obtaining a communication request initiated by each communication sub-terminal, and receiving the communication request of the communication sub-terminal through a communication terminal; if at least one of the communication terminals is in an idle state currently, communication is established with the communication terminals in sequence according to the time sequence of the communication requests initiated by the communication sub-terminals by selecting communication channels arranged between the communication sub-terminals and the communication terminals; if the communication terminals are all in busy states at present, performing queue sorting according to the communication priorities of the communication sub-terminals to perform communication connection; and regularly carrying out communication quality inspection on the communication terminal and the communication sub-terminal. According to the method, a better communication effect at two ends can be ensured, the overall efficiency of emergency response is improved, the most important communication request can be preferentially processed through priority ranking, the overall communication response speed is increased, and the resource utilization rate of the overall system is improved.

According to the present disclosure, it is possible to accommodate changes in communication devices without replacing a circuit substrate. A communication connector apparatus includes: a circuit substrate having a substrate-side connector mounted thereon; and a relay connector including a connection port to which a device-side connector of a communication conductive path is to be connected, and being attachable to and removable from the substrate-side connector. In the case of changing the number and the transmission speed of communication devices, the relay connector may be replaced with a relay connector corresponding to the number and the transmission speed of the connection ports, and there is no need to replace the circuit substrate. According to the present disclosure, it is possible to accommodate changes in the communication devices without replacing the circuit substrate.

The invention discloses an address allocation method, a battery module management method and electronic equipment, and belongs to the technical field of communication. The method comprises the following steps: acquiring first equipment direct-current internal resistance of a first node and second equipment direct-current internal resistance of a plurality of second nodes which are in communication connection with the first node; according to a preset test rule, cable direct current resistance between the first node and each second node in the plurality of second nodes is determined in sequence; determining a cable resistance value of a transmission cable between the first node and each second node according to the first equipment direct-current internal resistance, the second equipment direct-current internal resistance and the cable direct-current resistance; and allocating network addresses to the second nodes according to the sequence of the cable resistance values from small to large. Therefore, through the cable resistance value of the transmission cable between the first node and the second node, the physical sequence of cable connection of the node equipment is determined, and the corresponding network address is allocated to each node, so that the complexity of a communication interface can be reduced, and the reliability of the system is improved.

The embodiment of the invention provides a communication connection method and a communication connection device, which are used for realizing that one terminal establishes connection with a plurality of access network devices at the same time so as to improve the communication connection reliability of the terminal device. According to the method, the air interface capability of the terminal and the first air interface capability of the terminal are obtained through the access and mobility management device, the first air interface capability of the terminal is a subset of the air interface capability of the terminal, and the terminal is connected to the access and mobility management function device through the first access network device. After acquiring the working mode information of the terminal, the access and mobility management function equipment sends the air interface capability of the terminal or the first air interface capability of the terminal to the first access network equipment according to the working mode information of the terminal; and enabling the first access network equipment to perform air interface configuration with the terminal according to the first air interface capability of the terminal or the air interface capability of the terminal. The situation that air interface resources cannot be reasonably configured when the terminal is connected with a plurality of access network devices at the same time is avoided, and the communication connection reliability of the terminal is improved.

The invention provides a bus interconnection system, a signal processing method and a server, and relates to the technical field of computers. In the bus interconnection system, the port of the bus switch can be expanded by using the channel aggregation module on the premise of ensuring that the interconnection topology is formed between the processor and the peripheral equipment, the interconnection topology is formed between the peripheral equipment, and the communication connection can be established between the processor and the peripheral equipment, and the communication connection can be established between the peripheral equipment; and the number of peripheral equipment which can be accessed to the bus switch can be effectively expanded. Therefore, a plurality of bus switches can be prevented from being mutually connected to form the interconnection topological structure, the interconnection topological structure can be simplified, the system complexity can be reduced, and the port utilization rate of the bus switches can be improved.

The invention provides a task processing method and device, electronic equipment and a storage medium, the method is applied to a coprocessor of a first heterogeneous system, the first heterogeneous system further comprises a main processor, the main processor and the coprocessor are in communication connection, and the method comprises the steps that a task request of the main processor is received; selecting in the processor list according to the type of the task request to obtain a communication list, the processor list comprising a plurality of second heterogeneous systems, and the second heterogeneous systems being heterogeneous systems in network connection with the first heterogeneous system; sending the cooperation request to a coprocessor in a target heterogeneous system, wherein the target heterogeneous system is a plurality of heterogeneous systems in the communication list; and receiving the return data of the coprocessor in the target heterogeneous system, and sending the return data to the main processor, thereby relieving the situation that the response is not timely or wrong when the main processor is in shortage of resources.

The embodiment of the invention discloses a virtual-real linkage experiment system based on digital twinning. The virtual-real linkage experiment system comprises hardware experiment equipment and computer equipment for operating a virtual simulation platform. The hardware experiment equipment comprises a simulator and a plurality of pluggable function modules. And the simulator is in communication connection with the virtual simulation platform through a computer equipment communication interface and communicates with each functional module. And the virtual simulation platform runs the virtual simulation model, receives an operation instruction input by a user through the computer equipment input assembly, performs logic simulation, updates the simulation state of the virtual simulation model, generates simulation state information and sends the simulation state information to the simulator. The simulator converts the simulation state information into a driving signal, drives the corresponding function module to update the physical state, and collects the physical state of each function module to obtain physical state information. The physical state is generated by operation of a user on the corresponding functional module or by the functional module responding to the driving signal. And the virtual simulation platform updates the simulation state of the virtual simulation model according to the physical state information.

An embodiment of the present application comprises: transmitting a first communication handshake request to a server, the first communication handshake request carrying first negotiation object identification information; receiving a first response message returned by the server in response to the first communication handshake request, and analyzing the first response message, so as to obtain second negotiation object identification information; when the first negotiation object identification information is not matched with the second negotiation object identification information, transmitting a second communication handshake request to the server, the second communication handshake request carrying the second negotiation object identification information, and the second communication handshake request being used for triggering the server to establish a communication connection with a client on the basis of a negotiation object corresponding to the second negotiation object identification information; and receiving a handshake success notification message returned by the server.

According to the verification method based on Ethernet end-to-end communication, the storage medium and the electronic equipment disclosed by the invention, the initial configuration operation is firstly executed, the communication connection between the test end and the tested equipment is established, then the verification request message is sent to the tested equipment, and the test report is generated based on the response message returned by the tested equipment. The end-to-end communication verification method and system can achieve systematic verification of end-to-end communication, can simulate an actual operation scene, automatically detect and record communication abnormity, counter logic errors, boundary values and CRC verification errors and generate a test report in a high-load, high-concurrency and multi-service-flow parallel complex network environment, improves the automation degree and efficiency of the test, and improves the test efficiency. Dependence on artificial experience is reduced, and stability and reliability of an end-to-end communication mechanism under extreme working conditions can be quantified.

The invention discloses a converged communication system. The converged communication system comprises a core module and a function module which is in communication connection with the core module and comprises a coding and decoding module, a terminal protocol module and a dialing routing module, and the coding and decoding module is used for supporting conversion between different audio and video coding and decoding formats and a preset format; the terminal protocol module is used for supporting docking between different communication protocols and a preset protocol; the dialing routing module is used for determining a corresponding target terminal and a routing decision based on a call request of a source terminal; and the core module is used for scheduling the coding and decoding module, the dialing routing module and the terminal protocol module so as to carry out calling and state control on the source terminal and the target terminal. By means of the system, on the premise that existing terminal equipment functions and interaction logic are not damaged, seamless butt joint between terminals of different systems can be achieved, communication efficiency is improved, stability and flexibility of the converged communication system are ensured, and the requirement for multimedia communication can be met.

The embodiment of the invention provides a GPU test device and a GPU test system comprising the same. The device comprises at least one first test chip and at least one first connector in communication connection with the first test chip, wherein the first connector comprises at least one first pin for transmitting a first to-be-tested signal; each first pin is in communication connection with a second pin on the substrate; the first to-be-tested signal comprises a to-be-tested SERDES signal; the second pin receives a to-be-tested SERDES signal sent by the first to-be-tested system, and sends the to-be-tested SERDES signal to the first test chip through the first pin; the first test chip generates a first feedback signal for the SERDES signal to be tested, and sends the first feedback signal to the first system to be tested; wherein the first to-be-tested system determines the connectivity of the SERDES link between the first to-be-tested system and the GPU based on the first feedback signal, so that the GPU testing device can be used for testing the connectivity of the SERDES link between the first to-be-tested system and the GPU.

The invention provides a method for discovering and connecting electronic equipment and the electronic equipment, and the method comprises the steps that first electronic equipment broadcasts a message in a first time period (or a first time window) through employing a first communication technology, and the first electronic equipment broadcasts a message in a second time period (or the first time window) through employing a second communication technology, the first time period and the second time period are overlapped; receiving response information sent by the second electronic equipment; and establishing communication connection with the second electronic equipment according to the communication technology capability supported by the second electronic equipment. According to the method provided by the invention, a plurality of communication technology capabilities (such as BT, Wi-Fi, NFC, Zigbee, USB, Cellar and the like) of the electronic equipment are utilized to broadcast or send messages at the same time, so that the requirement of a business service on the discovery connection capability of equipment with a plurality of different technology capabilities under a heterogeneous network condition is met, and the equipment discovery efficiency is improved.

The invention provides a communication system and a communication method used between multiple nodes and I2C equipment, and relates to the technical field of servers. The system is arranged in I2C equipment and comprises a CPLD (Complex Programmable Logic Device) module, a multiplexing switch module and a plurality of connectors, and the connectors are connected with a BMC (Baseboard Management Controller) and the CPLD module of a node to form a direct connection channel of the BMC and the CPLD; the multiplexing switch module is connected with the CPLD module, and the connector is also connected with I2C equipment through the multiplexing switch module; the CPLD module receives a permission request instruction of a multi-node BMC to an I2C bus through a direct connection channel, generates a channel selection instruction for indicating to gate a channel between a target BMC and I2C equipment, and sends the instruction to the multiplexing switch module; and the multiplexing switch module only gates the communication connection between the target BMC and the I2C equipment based on the instruction, so that the problem of I2C bus abnormity caused by communication arbitration of a plurality of BMCs is effectively avoided.

The invention relates to the technical field of energy storage control systems, and discloses a networking structure of an energy storage control system and a control method, in the networking structure, a plurality of main control modules are in communication connection in sequence, the first main control module and the last main control module are in communication connection with an EMS system, and hand-in-hand ring network communication is achieved; the plurality of main control modules and the EMS system are respectively connected to the switch through the Ethernet, and Ethernet communication is realized through the switch. According to the control method, a host can carry out sorting and distribution according to the electric quantity and the number of all current battery compartments, charging is started from the battery compartment with the minimum SOC during charging, and discharging is started from the battery compartment with the maximum SOC during discharging. According to the invention, a dual-network dual-redundancy communication mode between the main control module and the EMS system is adopted, the number of control equipment is reduced, the software and hardware cost is reduced, the continuous stability of system operation is ensured through a redundancy communication structure, and the number of operation equipment can be adjusted and the operation loss can be reduced according to full and full discharge conditions.

The invention relates to the technical field of communication interaction, in particular to a displacement measurement method, a displacement measurement device, electronic equipment and a storage medium. The displacement measurement method provided by the invention is applied to first equipment, and comprises the following steps: based on communication connection with second equipment, determining a plurality of phase measurement value groups for performing signal interaction with the second equipment according to a plurality of signal frequencies at a plurality of moments; based on the phase measurement value group corresponding to the first moment, determining a first distance estimation value between the first moment and the second equipment; based on the first distance estimation value and the phase measurement value group corresponding to the second moment, determining a second distance estimation value between the second moment and the second equipment; and according to the second distance estimation value and the first distance estimation value, determining displacements with the second equipment at the plurality of moments. Dependence on external parameters or hypotheses can be reduced, so that the displacement determination process is more independent and reliable, and the accuracy of displacement change can be effectively improved.

The invention belongs to the technical field of information security and equipment protection, and particularly relates to an anti-disassembly safety protection system, equipment and an anti-disassembly safety protection method. The anti-disassembly safety protection system provided by the invention comprises an anti-disassembly module and an equipment end, and the equipment end comprises an equipment power supply system, an equipment anti-disassembly part and an equipment system; the equipment power supply system is configured to supply power to the anti-disassembly module; the anti-disassembly module is configured to stop supplying power to the equipment system if detecting that bidirectional power supply with the equipment anti-disassembly part is abnormal; the equipment system is configured to be in communication connection with the anti-disassembly module, and if the communication connection result is abnormal connection, the equipment system enters an automatic locking state; and if the connection is detected to be normal, verifying the information to be verified in the anti-disassembly module, and if the verification result is that the verification is abnormal, entering an automatic locking state. According to the anti-disassembly safety protection system provided by the invention, the safety of the equipment during illegal disassembly can be effectively improved.

The embodiment of the invention relates to the technical field of communication, in particular to a baud rate detection method, a control device and a storage medium, the method is applied to the control device, the control device is in communication connection with an upper computer through a communication interface, the upper computer is used for sending a baud rate detection frame to the control device, and the control device comprises a first counter. The method comprises the steps that a first count value of a first counter is acquired, the first count value represents a target period of a control device receiving a baud rate detection frame, the control device adopts the number of system clocks to represent the target period, and the baud rate of a communication interface is acquired based on the first count value. According to the embodiment of the invention, the target period of the control device for receiving the baud rate detection frame is obtained by counting through the first counter, so that the baud rate of the communication interface is detected, the baud rate detection precision is improved, the baud rate detection error of the communication interface can be reduced, and the user experience is improved.

The invention discloses a communication method, device and system, a storage medium and a program product. The communication method comprises the following steps: acquiring a first QoS (Quality of Service) parameter and a second QoS parameter; the first QoS parameter is used for indicating a QoS demand corresponding to a communication link between two different types of second functional entities with communication connection. The second QoS parameter is used for indicating the QoS demand of the service. And obtaining a new second QoS parameter according to the first QoS parameter and the second QoS parameter. According to the embodiment of the invention, the new QoS parameter is obtained by adjusting the QoS parameter of the service, so that the QoS requirement of the service can be met after the DRB is established based on the new QoS parameter, and the user experience is improved.