47results about How to "Relieve transmission pressure" patented technology

The invention discloses an elder abnormity tracking system in a nursing home. The elder abnormity tracking system in a nursing home at least includes three-dimensional subsystems, band subsystems anda central server, wherein the three-dimensional subsystems are deployed in each area of the nursing home; the band subsystems are carried by elders for acquiring the health data of the self body of every elder, and then transmitting the data to the central server through a wireless communication module; host computer software and client software are operated on the central server for receiving thedata sent from bands, a base station and cameras, and obtaining the three-dimensional space coordinate data by analyzing and converting the real time data of the base station; and if an abnormal event occurs, the management software immediately gives an alarm. The technical scheme of the elder abnormity tracking system in a nursing home has the advantages of saving the labor and time cost required by a traditional nursing home management system, improving the safety factor of the elder, optimizing the management service level of the nursing home and the working efficiency of employees, and providing a safe and peaceful life environment and a more humanized nursing environment for the elder at the same time.

The embodiment of the invention provides a method and a system for realizing streaming media service in a network. Specifically, the method comprises the following steps: streaming media content providing devices are classified as various grades according to service performance; a cache region in streaming media content consumption equipment is divided into different subregions, wherein, the playing time of streaming media content in a first subregion is longer than or equal to the minimum time for ensuring that the streaming media content consumption equipment plays continuously under the condition of network transmission; a streaming media content providing device, which is classified as grade one in service performance, is then requested for streaming media content in the first subregion; and streaming media content providing devices of other grades are requested for streaming media content in the other subregions. By applying the technical scheme provided by the invention, the quality of the streaming media service can be prevented from being affected by the instability of the streaming media content providing devices, and at the same time, the pressure on management of the streaming media content providing devices, such as a server terminal, can be dispersed effectively, so that the purpose of relieving the pressure on management and transmission of the server terminal can be achieved without affecting the quality of the streaming media service.

The invention discloses an unmanned aerial vehicle group cooperative safety control method based on switching topology. The method comprises the following steps: utilizing a time-varying switching topological graph to represent information interaction among unmanned aerial vehicle groups in each switching subsystem; considering the influence of external interference, respectively establishing thesecond-order dynamic equations of an unmanned aerial vehicle pilot and an unmanned aerial vehicle follower in the switching subsystems; designing a safety controller which simultaneously considers external interference and event triggering for tracking the motion track of the unmanned aerial vehicle pilot and keeping the formation among the unmanned aerial vehicle groups of followers; and establishing the equation of an unmanned aerial vehicle group error system under the switching subsystems to obtain the stability condition of unmanned aerial vehicle group error system, and inhibiting external interference by utilizing an H infinite method. The method solves the problems of information interaction, data redundancy and external interference under different formations in unmanned aerial vehicle formation.

This invention discloses one method and system to reduce transmission band width, wherein the system comprises sort property generation module, sort property mapping module and transmission control module; the invention method comprises the following steps: setting data sort strategy, data property and relative transmission strategy; generating each type of transmission agreement package according to sort strategy; determining each sort of transmission agreement property values according to each data property; transmitting and adjusting each kind of transmission package relative to different transmission strategy and transmission package property values.

Embodiments of the present application disclose a distribution network congestion management and loss reduction method and apparatus based on optimal reconfiguration. First, a distribution network topology model is established, then distribution network reconfiguration constraints and electric vehicle dispatching constraints are set, and an objective function is established. According to the two constraints and objective function, the congestion management and loss reduction model of distribution network is established, and the state of branch section switch, the optimal charging time and theupper and lower limits of charging power after reconfiguration of distribution network are solved to charge the electric vehicle. The embodiment of the invention can reconfigure the transmission linethrough the obtained branch sectional switch state of the reconfiguration of the distribution network, thereby effectively relieving the line pressure of blocking. By obtaining the optimal charging time and the upper and lower limits of the charging power of the electric vehicle, the blockage of the distribution network caused by the unguided and unconstrained charging of the electric vehicle is avoided. When the objective function is established, the line loss cost of distribution network is minimized, and the line loss caused by distribution network is significantly reduced.

The invention discloses a laser sensor depth data reconstruction method based on compressed sampling matching pursuit. Data quantity obtained through collection of a laser sensor is high, the collected data is compressed based on screening of massive redundant data carried out by a measurement matrix; and through decompression of the data, plant images can be reconstructed. According to the method, the compressed sampling matching pursuit algorithm is employed. According to the algorithm, atoms iterated at each time may be discarded in a next iteration process; residual errors will be correspondingly updated; and the reconstruction precision is improved. According to the method, the sensor data storage and transmission pressure is greatly reduced by starting with the data collected by the sensor; and the compressed depth data has great significance in stage growth analysis and data query of crops.

The invention discloses a method and system for achieving electronic signature. According to the method, the distributed summary computing method is adopted, summary computing is achieved through distributed computing of the client side and distributed computing of the server side, an intermediate result and remainder data of the summary are obtained through primary summary computing by means of the client side and then are sent to the server side, then summary computing of the remainder part is achieved by means of the client side according to the summary computing of the client side to obtain a summary result, digital signature is conducted on the summary result to obtain a signature object which is sent to the client side together with a seal object, and finally the signature object and the seal object are added to a file to be signed through the client side so that signature can be achieved and a signed file can be obtained. The method and system have the advantages of being low in cost, high in efficiency and high in data safety.

The invention discloses a federated learning method based on network unloading, which is used for improving the performance of the federated learning method while ensuring (improving) the privacy of terminal data. The method comprises the following steps: in a wireless communication system with a plurality of terminals and an edge server, jointly training an artificial intelligence network by using the terminals and the edge server; compared with a traditional federal learning working mode, carrying out the training of partial networks by unloading a terminal to an edge server; in the training process, selecting a terminal which is good in wireless communication network environment and small in calculation and transmission load to participate in training of the network model. According to the invention, the calculation load of the communication terminal is effectively reduced, and the communication load caused by a federated learning method is reduced.

The invention discloses a massive Internet of Things data modeling processing, storage and sharing method, which comprises the following steps: dividing Internet of Things data into structured data and unstructured data, dividing the structured data into sensing data and service data, and dividing the sensing data into dynamic data and static data; the method specifically comprises the following steps: establishing an Internet of Things structured data model; establishing an unstructured data model of the Internet of Things; carrying out edge fusion processing on the Internet of Things data; performing redundancy elimination storage on the data of the Internet of Things equipment; performing classified storage on the Internet of Things data; sharing the data of each database; and synchronizing the Internet of Things data between each server and the Internet of Things equipment. The Internet of Things data model of unified data is established for mass multi-source Internet of Things data, the problem of multi-source heterogeneous data is solved, the problems of high data storage redundancy, poor data processing timeliness and the like are solved, the storage utilization rate of a data center is improved, and the transmission pressure and the storage pressure of the data center are relieved.

The invention provides a single-switch and single-controller transmission control method in the software defined network, aims at improving the negative influence of network bottleneck bandwidth on the overall performance of a system, and the method comprises the following steps: establishing a software-defined network single-switch single-controller transmission control system model based on a queuing game theory, and constructing a mathematical model of competition behaviors and targets among network nodes in the system model; solving a theoretical equilibrium solution of the mathematical model to obtain an optimal strategy of the network node; using the optimal strategy in a transmission control system, so that the transmission pressure that controller nodes are easy to congest is relieved, and the maximization of the efficiency of the software defined network is realized. According to the single-switch and single-controller transmission control method in the software defined network, the problem of resource allocation of the software-defined network can be solved, the controller nodes and the switch nodes are regarded as equal game players, and dependence on a certain role canbe reduced.

The invention relates to a battery charging data storage and extraction method. The method includes the steps that a voltage interval value is set according to different battery types; an initial voltage data value and an initial capacity data value at the work starting time of a battery management system are recorded, and a real-time voltage value and a real-time capacity data value are stored ina buffer area of the battery management system; when it is met that the absolute value of the result obtained by subtracting a former recorded voltage data value from the real-time voltage value is larger than or equal to the preset voltage interval value, calculation is conducted to obtain a capacity increment peak value, and the real-time voltage value and the capacity increment peak value arestored in a permanent storage area of the battery management system or a background server until the battery is full; interpolation of the real-time voltage value and the capacity increment peak valuedata is conducted, and interpolation function recovery is obtained through the Lagrangian interpolation method.

The invention provides a data transmission method and system based on a hierarchical agent and a medium, and the method comprises the steps: a network agent classification step: carrying out the agentclassification of a data network, enabling the data network to be mapped into a virtual multi-stage network, and outputting the classified data network; an agent configuration step: adopting different configuration strategies for different agents of different levels according to the obtained graded data network, and outputting the configuration strategy of each agent; and a data hierarchical storage and inter-stage transmission step: according to the obtained configuration strategy of each agent, enabling each agent of each stage to complete hierarchical storage and inter-stage transmission of the data according to the specific configuration of the agent, so as to realize autonomous choice data storage and transmission among different stages and oriented to different user requirements. Data transmission between agents of the same level is forbidden, and the confidentiality of the data is enhanced.

The invention relates to the technical field of power equipment management, and particularly discloses a power equipment operation data transmission method based on a 5G network, and the method comprises the steps: determining core nodes, numbering the core nodes, and collecting an input signal and an output signal of each core node; inputting the input signal into a trained signal analysis model to obtain a prediction signal; generating an information table according to the number of the core node, the prediction signal and the output signal; and generating a data analysis chart according to the information table, and sending the data analysis chart to a master control center. According to the invention, the monitored data is converted into the graph data, and then the graph data is compressed and transmitted to the master control center regularly, so that the network transmission pressure is greatly relieved, and the resource utilization rate is further improved.

The invention provides a multimedia data transmission method and a multimedia data transmission device under a mixed channel. The method comprises the following steps: acquiring bandwidth surplus of a plurality of channels; arranging the channels from large to small according to the bandwidth surplus of each channel to obtain arranged channels; detecting the occupied space of the data packet to be transmitted; searching whether a channel matched with the occupied space exists in the arranged channels according to the occupied space of the data packet to be transmitted; if the to-be-transmitted data packet exists, transmitting the to-be-transmitted data packet through the searched channel; if the to-be-transmitted data packet does not exist, segmenting the to-be-transmitted data packet to obtain a plurality of segmented sub-data, and transmitting each segmented sub-data packet through a matched channel; according to the invention, the data packet can be simultaneously sent in a plurality of channels, and when the data packet occupies a large space, the transmission pressure of the channels can be relieved and the normal transmission of the data packet can be ensured by adopting a segmentation mode.

The invention discloses a D2D-based cooperative computing network construction method, which comprises the following steps: S10, in a large-scale video application scene, constructing a D2D-based multi-user cooperative ad hoc network through a Wi-Fi Direct channel; S20, in a D2D-based multi-user collaborative self-organizing network environment, constructing a computing resource sharing mechanism based on crowdsourcing agent bidding, and realizing computing crowdsourcing business organization of multiple equipment among the equipment; S30, under the condition of a D2D-based multi-user collaborative self-organizing network, calculating a cache mechanism by using terminals with the same service, and establishing a cache sharing mechanism between equipment; and S40, in the D2D-based multi-user cooperative self-organizing network, establishing a dynamic networking mechanism by taking time delay optimization as a target so as to achieve the time delay optimization target. According to the invention, the interactive operation among a plurality of intelligent terminals is unloaded to the intelligent terminals of network access in the surrounding environment, a computing resource sharing mechanism is constructed, and the operation pressure of a single intelligent terminal and the transmission pressure of a network downlink channel are relieved.

The invention provides a signaling message transmission method of an IUB interface and the IUB interface, wherein the signaling message transmission method of the IUB interface comprises the steps as follows: receiving signaling messages transmitted on each connection connected with the IUB interface via the IUB interface, wherein the signaling messages comprise connection identifiers of connections for transmitting the signaling messages, the IUB interface determining a corresponding target SCTP flow for each signaling message according to number of the SCTP flow contained in a SCTP link and the connection identifiers in each signaling message and transmitting the each signaling message to a base station via the corresponding target SCTP flow. By introducing multi-flow mechanism at the place of the IUB interface of the RNC in the invention, the IUB interface can be used for distributing the signal messages transmitted on different connections to different SCTP flows so as to transmit the signaling messages on different SCTP flows to relieve congesting condition at the side of the RNC and improve transmission efficiency of the signaling messages.

The invention provides an application program deployment method and device which can be used in the financial field or other fields. The method comprises the steps: obtaining a target incremental program package of a to-be-deployed application program; monitoring whether a stock program package corresponding to the to-be-deployed program exists in a target PAAS platform or not; and if the target PAAS platform has the stock program package, obtaining a target full-quantity program package according to the target incremental program package and the stock program package, and deploying the target full-quantity program package in the target PAAS platform. The application program deployment efficiency can be improved, and meanwhile, the network transmission pressure can be relieved.