38results about How to "Realize peer-to-peer communication" patented technology

The invention provides a family cloud system, comprising a family cloud device, a display apparatus used for connecting the family cloud device, a server for providing cloud services, and an intelligent terminal device used for manipulating the family cloud device and sharing resources, wherein the family cloud system comprises an operating system module, a family cloud application module, a cloud service module and a mobile terminal, the family cloud system comprises B / S architecture and C / S architecture, the modules of the family cloud system communicate via a plurality of protocols, the mobile terminal module and the family cloud device can freely switch between Wi-Fi direct connection communication and point-to-point communication, and compared with the prior art, the family cloud system in the technical scheme provided by the invention manages the user registration and login services of all family clouds, realizes family cloud device download and App download services, realizes the point-to-point communication of the mobile terminal and the family cloud device, and can store, manage and share pictures and videos.

The invention discloses a data transmission method in a wireless access system, which comprises that a base station directly sends control information to a mobile station and / or a relay station; the mobile station and / or the relay station transmits corresponding data to next hop according to the control information until the data is transmitted to a target station. The invention also discloses a base station, a delay station and a wireless access system which use the data transmission method in the wireless access system. The method of the invention can effectively realize peer-to-peer communication between the mobile station and / or the relay station, can flexibly select an optimal transmission path so as to achieve load balancing, and can effectively overcome the problem of traffic bottleneck and transmission delay at the base station in the prior art, and meanwhile, can still guarantee the management control function of data transmission by the base station.

The present invention provides a communication method used for establishing connection in first and second user side, wherein first user side through asymmetric form NAT connected with server, and second user side through symmetry type NAT connected with server. Said method includes 1, when first user side requesting establishing connection with second user side, second user side through symmetry type NAT transmitting data package to different port of server, updating server port jump list; 2, when jump rule in port jump list being rule jump, second user side according to said jump rule boring to establish connection between first and second user side.

The invention discloses a narrowband data communication system and a wireless narrowband data communication method. A narrowband data communication terminal network system comprises at least two terminal branches, wherein each terminal branch is in wireless connection with other terminal branches in the terminal network system and used for receiving control instruction information sent by other terminal branches and executing corresponding control instructions according to the control instruction information or sending the control instruction information to other terminal branches, so that point-to-point communication among the terminal branches is realized; and high-reliability bidirectional wireless communication technology is easy to use, has close distance, low speed, low power consumption and cheap market positioning, supports a transmission control protocol / Internet protocol (TCP / IP) and an embedded device, and is suitable for a large-scale network. The wireless narrowband communication technology of the invention can support the application of the Internet of things and a wireless home network in China at present and has infinite development potential.

The invention discloses a space laser communication forwarding system based on a passive optical switch. The system consists of a ground optical signal transmitting terminal, a space forwarding system and a ground optical signal receiving terminal. A transmitting end and a receiving end for space optical communications are placed on the ground, and the space forwarding system is carried by an aircraft and only forwards optical signals without processing such as amplification, modulation, demodulation and the like, so that the complexity of a space system is lowered greatly, and the sizes, weights and power consumption of space loads are lowered. Moreover, point-to-point or broadcasting-mode forwarding of the optical signals is realized through an optical switching system. The signals are modulated on the transmitting end, and demodulated on the receiving end, so that ground-space-ground forwarding communications are realized.

The embodiment of the invention discloses a method for automatically generating an Internet protocol (IP) address of an off-line terminal. The method comprises the following steps of: acquiring a unique identifier of the off-line terminal in a network; extracting the unique identifier to be a digital middle code of a preset bit; and converting the middle code into the IP address through a binary-coded decimal (BCD) method or a bit fetching method. The invention also discloses a device for automatically generating the IP address of the off-line terminal. By the method and the device, the off-line terminal can guarantee the uniqueness of the IP address of the off-line terminal without sending a detection message.

The invention provides a wireless communication method based on visible light colors. The wireless communication method comprises the following steps: 1) dividing a byte to be sent into three parts according to a bit number to respectively correspond to three color channels of red, green and blue; 2) encoding the bit data of the corresponding three color channels to corresponding intensity data; 3) calculating the brightness and color of emergent light according to the intensity values of the three color channels, and driving a luminescent device to emit light; 4) after receiving the visible light emitted by the luminescent device, dividing three colors of red, green and blue through an optical filter, receiving the light through intensity measurement devices of the three color channels respectively, and quantifying the light into respective intensity data values; 5) restoring the intensity data of each color channel into the bit data represented per se through a data decoding unit; and 6) synthesizing the decoded bit data into a byte. The communication method provided by the invention has the advantages of overcoming the mutual interference in multi-device communication, being capable of achieving point-to-point communication under a wireless condition, and improving the confidentiality of communication.

The application discloses a HART(Highway Addressable Remote Transducer) multichannel switching circuit, including a power voltage stabilizing circuit, a microprocessor, a HART signal modulation and demodulation circuit, N HART communication circuits and a multichannel switching control circuit, wherein N is an integer greater than 1. The power voltage stabilizing circuit is configured to provide the stable level for the microprocessor. The microprocessor is configured to send a polling acquisition command and other HART commands received by control chamber equipment and to return received HART equipment response information to the control chamber equipment. The HART signal modulation and demodulation circuit is configured to modulate data sent by the microprocessor and to demodulate data sent by the HART communication circuits. The HART communication circuits are configured to transmit data sent by the HART signal modulation and demodulation circuit to corresponding HART equipment and to return HART equipment response data to the HART signal modulation and demodulation circuit. The multichannel switching control circuit is configured to select one path of HART equipment for communication and to achieve point-to-point conversation with the control chamber equipment. The invention also provides a method adopting the abovementioned circuit.

The invention relates to a wireless communication device with multiple interfaces. A two-core +5V power binding post J1, a nine-core RS232 serial-port terminal DB1, a two-core RS485 interface terminal J2, a standard USB interface terminal J3 and a four-core CAN bus interface terminal J4 are arranged in a machine shell of the wireless communication device. Corresponding holes or corresponding installation holes are formed in the side face of the machine shell, wherein the two-core +5V power binding post J1, the nine-core RS232 serial-port terminal DB1, the two-core RS485 interface terminal J2, the standard USB interface terminal J3 and the four-core CAN bus interface terminal J4 extend out of the holes or installation holes. Holes where a three-digit horizontally-shifting dip switch is exposed are formed in the machine shell. Holes where light-emitting diodes RUN, TXD and RXD are exposed are formed in the machine shell. A round hole where an antenna extends out is formed in the other side face. A wireless transmitting and receiving circuit, a power source circuit, an information storage circuit, a work state indication circuit, a device addressing circuit, an RS232 interface circuit, an RS485 interface circuit, a USB interface circuit and a CAN bus interface circuit are arranged in the machine shell. The wireless communication device with the multiple interfaces is compact in structure, capable of effectively avoiding self-transmitting and self-receiving and achieving point-to-point communication and point-to-multiple-point communication between a computer and the device, multiple in selectable interface, capable of meeting more use requirements, convenient to install and use, and reliable in communication.

The embodiment of the invention discloses a communication method between Kubernetes clusters, computer equipment and a medium, which are applied to a master Kubernetes cluster, and the method comprises the following steps: in response to an increase instruction of a target node of a target slave Kubernetes cluster, synchronizing attribute information of the target node to a storage area of the master Kubernetes cluster; respectively establishing communication channels between the target node and each reference node according to the attribute information of the target node and the attribute information of at least one reference node of the main Kubernetes cluster; and in response to a synchronization instruction of the to-be-synchronized data in the target reference node, synchronizing the to-be-synchronized data from the target reference node to the target node through the target communication channel. According to the scheme provided by the embodiment of the invention, the problems that the two Kubernetes clusters cannot normally communicate and the communication efficiency is relatively low when the gateway node fails or fails in the prior art are solved, and the point-to-point communication between the Kubernetes clusters is realized.

The embodiment of the invention discloses a video processor. The video processor comprises video input processing devices, video output processing devices and a backboard device connected with the video input processing devices and the video output processing devices, wherein each video input processing device is provided with a first picture quality adjusting module which is used for adjusting picture color parameters of a to-be-output signal source of the video input processing device, and each video output processing device is provided with a second picture quality adjusting module which isused for adjusting picture color parameters of a to-be-output signal source of the video output processing device.

The invention discloses a broadband communication system of a 10 kV distribution network. The broadband communication system comprises a first inductive coupling unit, a second inductive coupling unit, a first CAN (controller area network) bus unit and a second CAN bus unit, wherein the first CAN bus unit is connected with the first inductive coupling unit; the second CAN bus unit is connected with the second inductive coupling unit; and the first inductive coupling unit is connected with the second inductive coupling unit through a 10 kV medium-voltage power line. Compared with a traditional narrow-band carrier communication technology, the communication speed of an application layer can reach 1M, so that the application capacity is greatly improved, and the foundation is provided for an intelligent distributed FA (feeder automation) mode; and further, peer-to-peer communication is realized during the broadband carrier communication, and the reliability and the communication efficiency are improved remarkably.

The embodiment of the invention provides an inter-chip communication method, device and system and a storage medium, and the method is used for a first chip, and comprises the steps: determining first transmission data to be transmitted to a second chip; writing the first transmission data into a first ring buffer area; updating write pointer information of the first management storage space; and sending first notification information to the second chip, the first notification information being used for indicating the second chip to read the first transmission data from the first ring buffer, and updating read pointer information of the first management storage space based on a read operation of the first transmission data. Through the inter-chip communication method provided by the embodiment of the invention, the occupation of a storage space can be reduced, and the data transmission efficiency is improved.

The invention discloses a method, a terminal and a system for E1 point-to-point communication, which receive a first E1 message forwarded by a first CPE in a public network; and forward the first E1 message according to a preset E1 path forwarding table Forward to the corresponding second CPE, send the first E1 message to the corresponding second E1 through the second CPE; send the E1 message through the CPE, and forward it through the public network, because the CPE will A device that converts high-speed 4G or 5G signals into WiFi signals or wired network signals. Therefore, it can realize point-to-point communication of E1 messages through the wireless network. As long as there is wireless signal coverage, point-to-point communication of E1 can be realized, which is convenient for business development. 4G network or 5G network can be used instead of PSN to transmit E1 services, and the maintenance cost is low.

The invention provides a data communication method, and the method comprises the steps that a main application receives a communication request sent by a first sub-application, and the communication request carries an application identifier of a second sub-application to be communicated; determining a corresponding target callback parameter in a global state database based on the application identifier; and triggering the corresponding second sub-application based on the target callback parameter so as to enable the second sub-application to execute callback. Meanwhile, the invention further provides electronic equipment.

The invention discloses a point-to-point communication method for an in-situ relay protection device based on IEC61850, and relates to the technical field of relay protection devices. The present invention includes the following steps: A) establish communication point-related data sets and data set members under the interface management LD, and for each FCDA, establish corresponding DOs in the interface management LD; B) import the 61850 model into an ICD file after configuration In the template library of the 61850 client that the device and the background point to each other; C) start the 61850 server of the device, communicate with the 61850 client through the MMS protocol, and the 61850 client obtains the 61850 model, and communicate with the point-to-point according to the relevant DO in the interface management LD , the communication point is controlled by the 61850 service control CPU / HMI, and the report is sent by the HMI for point-to-point communication, and the situation of the actual report of the simulation device occurs. The communication point-to-point method of this technical solution controls the CPU / HMI through the 61850 service, after the actual verification of the CPU / HMI, and can point-to-point to the event type signal point of the device, which solves the defects of the existing 61850 communication point-to-point method, Easy to operate and good versatility.

The embodiment of the invention discloses a video processing system comprising a first video processor and a second video processor, wherein the first video processor comprises a first pluggable expansion device and a first backplane device, the first pluggable expansion device is provided with a first plug-in and a first cascade interface, the first backplane device is provided with a first videoinput processing device interface group, a first video output processing device interface group, a first expansion device interface, a first main control device interface and a first matrix switchingmodule; the second video processor comprises a second pluggable expansion device and a second backplane device, the second pluggable expansion device is provided with a second plug-in and a second cascade interface, and the second backplane device is provided with a second video input processing device interface group, a second video output processing device interface group, a second expansion device interface, a second main control device interface and a second matrix switching module, wherein the second cascade interface is connected with the first cascade interface via a cable.

The invention provides a mine safety production monitoring method. Almost all existing monitoring systems use their own dedicated communication protocols, so that it is difficult to find two compatible systems. According to the mine safety production monitoring method provided by the invention, a peer-to-peer inter-layer field bus network is formed by adopting a CAN bus, the priority arbitration technology is adopted, the information with high priority can still be transmitted in the case of a bus access conflict, the length of a data segment of the CAN bus is 8 bytes at most, the general requirements of control commands, working states and test data can be met, for the traditional mine reconstruction, an RS-485 node is just replaced with a CAN node, an information transmission interface,monitoring system software and a workstation in the original system are replaced with a CAN interface adapter, monitoring system software applicable to a CAN communication protocol and a CAN-based workstation separately, a monitoring host can also be connected with a server to access a local area network and the Internet so as to implement remote browsing and control. The mine safety production monitoring method provided by the invention is applied to mine safety production monitoring.

The invention discloses a power distribution network monitoring system and method based on a 5GVPDN private network, and particularly relates to the technical field of 5G information, and the system comprises a 5G distribution network intelligent gateway and a 5G intelligent server. The 5G communication technology, the VPDN communication technology and the network security technology are adopted, and point-to-point wireless private network communication, single-point-to-multipoint wireless private network communication, multipoint-to-single-point wireless private network communication, multipoint-to-multipoint wireless private network communication and the like between terminals are achieved while the monitoring function and performance of the power distribution network are not changed; according to the invention, centralized wireless networking and associated wireless networking of the power distribution network monitoring system are realized, a real-time local monitoring function and a centralized monitoring function are realized, the network architecture of the power distribution network monitoring system is simplified, the advantage of data sharing between devices is fully exerted, and the system is convenient to use. The centralized monitoring efficiency of the power distribution network is greatly improved, the rapid self-healing capability and fault recovery time of the power distribution network are improved, and the investment and operation maintenance cost is reduced.

The invention relates to a reliable household SOS signal transmission system and a realization method thereof. The system comprises household SOS terminals, district base stations, district property-management monitoring terminals, a community control center, a community hospital monitoring terminal and a medical server; the community control center is connected with the district base stations, the community hospital monitoring terminal and the medical server; and each district base station is connected with the corresponding district property-management monitoring terminal and household SOS terminal. According to the realization method, reliable transmission methods of uplink and downlink communication are used to solve the problems that communication between a household sensing network and the household control terminals is not reliable, communication between the household control terminals and external equipment is not reliable and household SOS signals cannot be transmitted to the external timely. People nearest to an SOS signal emitter can be called effectively to adopt rescue measures timely, and accidental damage caused by rescue behind time can be reduced.

The invention discloses a virtualization application communication method. According to the virtualization application communication method provided by the invention, it can be seen; techniques by introducing IP virtualization, therefore, the server where the virtualization application is located has a plurality of different virtual IPs; therefore, even if the virtualization application is published to a plurality of users, the conflict problem existing in the prior art can be solved by distributing different virtual IPs to different clients, and point-to-point communication between differentusers can be successfully realized based on the virtualization application. The invention further discloses a virtualized application communication device, a server and a readable storage medium, which have the above beneficial effects.

The embodiment of the invention discloses a V2X-based distributed monitoring method, device and system and a storage medium. The method comprises the steps that first terminal equipment builds a forwarding path between the first terminal equipment and second terminal equipment, and the first terminal equipment cannot directly communicate with a monitoring background; the first terminal device forwards the monitoring data to the second terminal device according to the forwarding path, the second terminal device can directly communicate with the monitoring background, and then the second terminal device sends the monitoring data to the monitoring background. According to the embodiment of the invention, when the first terminal device is far away from the monitoring platform and cannot directly communicate with the monitoring platform, the first terminal device forwards the monitoring data to the monitoring platform by establishing the forwarding path between the first terminal device and the second terminal device, and thus point-to-point communication between the first terminal device and the remote monitoring platform is realized.

The invention relates to a wireless lead device of a wireless sensor network architecture. The wireless lead device of the wireless sensor network architecture comprises a lead and probe front end and a lead instrument end, the lead and probe front end is wirelessly connected with the lead instrument end to realize point-to-point communication and networking communication, so that a common monitor can be conveniently accessed to a monitoring network and the Internet, and the functions of movable monitoring, on-site monitoring, upper computer monitoring and the like are realized; the system has the characteristics of ad hoc network, multiple network nodes, low complexity, low power consumption and no maintenance.

The invention discloses a data transmission method in a wireless access system, which comprises that a base station directly sends control information to a mobile station and / or a relay station; the mobile station and / or the relay station transmits corresponding data to next hop according to the control information until the data is transmitted to a target station. The invention also discloses a base station, a delay station and a wireless access system which use the data transmission method in the wireless access system. The method of the invention can effectively realize peer-to-peer communication between the mobile station and / or the relay station, can flexibly select an optimal transmission path so as to achieve load balancing, and can effectively overcome the problem of traffic bottleneck and transmission delay at the base station in the prior art, and meanwhile, can still guarantee the management control function of data transmission by the base station.

The invention discloses a distributed semi-physical simulation system based on NS3, which is applied to the field of network simulation and aims to solve the problem that distributed simulation and node communication with a real network cannot be realized by the existing NS3 simulation. According to the invention, simulation nodes are dispersed in a distributed host to operate, and when communication between the simulation nodes is on one host, normal processing is carried out according to a used network protocol; when communication between the simulation nodes needs to be carried out on different hosts, a distributed coordinator is used for carrying out, and it is guaranteed that a network protocol can work normally; when communication occurs on the simulation nodes and the physical nodes, data needing to be sent are directly sent to a network card of the physical host through a semi-physical interface installed on the simulation nodes; therefore, the communication is carried out on the simulation nodes and the physical nodes through a real network card of the physical host and the physical nodes.