13results about How to "Guaranteed data transfer" patented technology

The invention provides a multi-link automatic switching method based on VPP, and belongs to the technical field of information communication. The technical problem that multi-link automatic switching is not timely is solved. According to the technical scheme, the method comprises the following steps: S01, directly taking over N physical network cards on routing equipment by using a DPDK plug-in in a VPP; s02, accessing M different communication links (Mlt); n; s03, allocating independent path labels to all the virtual network tunnels; and S04, monitoring link quality information of all virtual network tunnels in real time. The method has the advantages that automatic and rapid switching of multiple links is achieved, network congestion and delay are reduced, the flexibility and manageability of the whole network are improved, and the diversified requirements of modern network communication are met.

The invention discloses a base station power distribution method based on a partition strategy, solves the problem of avoiding interference of a low-complexity IMT system on fixed satellite services, and belongs to the field of information technology and satellite communication. The method is used for realizing coexistence of an IMT-2020 service and a satellite fixed service in a frequency band of 12.75-13.25 GHz. The method comprises the following steps: dividing a ground base station into a plurality of areas; virtualizing all base stations in each area into a virtual large base station; determining the maximum transmitting power of each virtual large base station; calculating the lumped interference of each virtual large base station on the satellite fixed service; and according to the lumped interference of each virtual large base station on the satellite fixed service and the interference threshold value of the corresponding virtual large base station, performing power control on the virtual large base stations exceeding the interference threshold value to obtain an allowable maximum transmitting power, and according to the allowable maximum transmitting power, controlling the transmitting power of each base station in the partition.

A method and apparatus for wireless communication are provided. The method comprises: a terminal device receives first information sent by a network device, the first information is used to indicate a first timer, the first timer is used to indicate the duration of SDT using a first transmission resource, wherein the duration of the first timer is less than the duration of a second timer, the second timer is used to indicate the duration of SDT performed by the terminal device.

The invention provides a transmission processing method and device, and relates to the technical field of communication. The method comprises the following steps: a first network device acquires first information of a first terminal under the condition that the first terminal fails to be connected with a second network device and is connected to a third network device; the first network device performs network optimization according to the first information; wherein the first information comprises at least one of the following items: a reestablished connection type; the second terminal is a relay terminal, and the distance between the second terminal and the first terminal is smaller than a first threshold value; list information of a third terminal, wherein the third terminal is a candidate relay terminal determined by the first network device for the first terminal; the list of the third terminal encodes information. According to the scheme, the problem of how to realize network optimization is solved.

The utility model discloses a kind of PCB board structure for telescopic data line, including first PCB board main body, second PCB board main body, first through-hole is equipped in the middle of the first PCB board main body, contact ring is equipped with in the surface of the first PCB board main body around first through-hole, second through-hole is equipped in the middle of the second PCB board main body, second through-hole and first through-hole are coaxially arranged, contact terminal is equipped in the surface of the second PCB board main body, contact terminal and contact ring contact to realize electrical connection, first welding contact point is also equipped in the side of the first PCB main body.The utility model provides a kind of PCB board structure for telescopic data line, adopt two corresponding mutually matched connection PCB board body, to meet the stretch demand of one end of existing telescopic data line.

The application discloses a cross-industry supply chain supervision method based on multi-chain cooperation, a business sub-chain is used for recording internal information of enterprise transaction subjects and business data of various supply processes; a transaction main chain is mainly responsible for transaction implementation and interaction between different businesses, and records circulation states and transaction data of commodities at various links of the supply chain; and a supervision chain is used for supervising and auditing transaction data between different businesses of the supply chain. The application combines an identity-based encryption mechanism based on fine-grained privacy protection, protects the privacy of multi-party cooperative transaction data in the supply chain process, and solves the contradiction between the privacy of supply chain transaction data and the implementation of supervision. The application designs two verification methods of transaction types based on an aggregated signature protocol, so as to realize aggregated verification of on-chain transactions and rapid tracking of abnormal transactions, and effectively improves the performance of system supervision and traceability.

An embodiment of the present invention discloses a monitoring data transmission method, which is applied to a mobile monitoring device. When the mobile monitoring device determines that a preset frequency hopping condition is met between the mobile monitoring device and a ward-level monitoring device, the mobile monitoring device hops from a preset frequency point to a spare frequency point to transmit the acquired monitoring data to the ward-level monitoring device via the spare frequency point; wherein the ward-level monitoring device corresponds to the mobile monitoring device.

The invention relates to the technical field of intelligent inspection, in particular to an intelligent inspection robot control system and a remote control method, and the method comprises the following steps: obtaining an instruction packet, and analyzing the instruction packet to obtain an inspection task, an obstacle avoidance rule and a soft start-stop rule; extracting inspection points from the database to form an inspection point set; generating an inspection path according to the inspection task, and calculating the distance between two adjacent inspection task execution points on the inspection path; calculating to obtain a time difference between two adjacent inspection points; generating a control instruction; analyzing the received control instruction, driving the inspection robot to move according to an inspection path, and feeding back state information of the inspection robot in real time; the system comprises a main control module, a power supply module, a driving control module, a distance sensor, a sound-light alarm module and a communication module. According to the invention, the inspection robot is remotely controlled to inspect, and the inspection efficiency is improved.

The present invention discloses a GPGPU-based MPI collective communication transmission system and method, which belongs to the field of MPI communication transmission technology and is used to solve the technical problem that the current MPI communication mechanism has poor performance in collective communication scenarios, occupies a large amount of CPU resources, and affects the ability of the CPU to perform other computing tasks. The method includes: the MPI communication node includes at least one arbitration unit and several general graphics processing units GPGPU, which are used to parallel process the compressed data sent by the MPI communication network; the arbitration unit is respectively connected to the several general graphics processing units GPGPU; the arbitration unit is used to monitor the resource usage and computing resource margin of each GPGPU, and allocate GPGPU for the received compressed data; the general graphics processing unit GPGPU includes an MPI information processing module, which is used to parallel process the received compressed data.

The application discloses a kind of methods and systems for developing custom software by CAE simulation APP, belong to software development technical field.The method includes: determining the parameters required by design engineer in each simulation App in target industry, to generate the part unit corresponding to each simulation App;Using test case, the correctness of the metadata in each simulation App corresponding part unit is checked, to build the part unit library corresponding to the target industry;Using the functional requirements of industry-specific software and part unit library, part unit screening is carried out to combine part units;The combined part unit is packed as industry-specific software.The application can reduce the development workload and cost (i.e. manpower and time) of industry-specific software, the development speed of industry-specific software is fast, the efficiency of developing industry software is high, and the data transmission and interaction between each simulation App in the development process of industry-specific software are guaranteed.

The invention discloses an urban rail transit trackside data secure transmission method and system. The method comprises the following steps: step 1, setting a rail circuit transmission process; 2, setting an inter-rail cable conveying process; step 3, setting a transponder transmission process; 4, setting a wireless transmission process; and 5, selecting a data exchange security mechanism. Different processes aim at ensuring the accuracy, integrity and safety of data in the transmission process, meanwhile, the transmission efficiency is improved so as to meet the operation requirements of an urban rail transit system, data conflicts and transmission errors are avoided, the transmission reliability is improved, information interference is avoided, the effectiveness of data transmission is ensured, and the data transmission efficiency is improved. The method is an important guarantee for safe, efficient and stable operation of urban rail transit.

The utility model discloses a wireless double-channel multifunctional queuing machine, which comprises a queuing machine, a number calling device and two wireless channel modules arranged on the queuing machine, the queuing machine is wirelessly connected with the number calling device through the two wireless channel modules; the queuing machine comprises a main control board, a display module, a printing module, a camera shooting module, an identity card reading module, an IC card recognition module, a magnetic stripe card swiping module, a two-dimensional code recognition module and a voice playing module. The corresponding ends of the main control board are electrically connected with the corresponding ends of a display module, a printing module, a camera module, an identity card reading module, an IC card recognition module, a magnetic stripe card swiping module, a two-dimensional code recognition module and a voice playing module. According to the utility model, the double wireless channel modules are adopted, even if one channel encounters interference or faults, the other channel can still ensure data transmission, the communication reliability of the queuing system is obviously improved, the design of wireless communication avoids the complexity of wiring, and system faults caused by wiring problems are reduced.

The invention discloses an intelligent switch cabinet signal processing equipment installation unit, and belongs to the technical field of electrical equipment, the intelligent switch cabinet signal processing equipment installation unit comprises a cabinet body and a signal processing equipment installation unit, two sides in the cabinet body are provided with columns, the signal processing equipment installation unit comprises a partition plate, an installation module and signal processing equipment, and the partition plate is used for separating a strong current wire and a weak current signal wire; the mounting module comprises an n-shaped supporting plate, a first baffle and a second baffle, the n-shaped supporting plate, the partition plate and the first baffle enclose to form a first compartment, the first compartment is used for allowing a weak current signal wire to penetrate through, the n-shaped supporting plate, the partition plate and the second baffle enclose to form a second compartment, and the second compartment is used for allowing a secondary power line to penetrate through; the n-shaped supporting plate, the first baffle and the second baffle are respectively provided with a shielding interlayer in an embedded mode. A strong current wire, a weak current signal wire and a secondary power line are effectively separated, and the problem of signal interference is solved.