89results about How to "Reduce the amount of data interaction" patented technology

The invention relates to a credible data access control method applied to cloud storage of mobile devices. The credible data access control method includes six steps including user registering, user login, secret key generation, data encryption uploading, data downloading and decryption in three stages. The first step is user registering, the second step is user login with an authentication process, the third step is encryption secret key generation, the fourth step is user data encryption uploading, the fifth step is secret key sharing among the multiple mobile devices, and the sixth step is data downloading and decryption. According to the credible data access control method, transmitting of a credible chain in the secret key exchanging process is guaranteed by a user through a mobile TPM chip, the length of a secret key is reduced through encryption based on a elliptic curve, it is guaranteed that the multiple mobile devices can safely share the secret key, compared with a traditional server terminal or client terminal data encryption method provided by a cloud storage service provider, the credible data access control method is safe, reliable, high in confidence degree and small in interaction data amount, and the good practical value and the wide application prospect are achieved in the technical field of cloud storage safety.

Disclosed is a data integrity verifying method under a multi-cloud environment. The data integrity verifying method comprises the following steps of preprocessing, challenging-responding, user verifying and dynamic upgrading. The first stage (preprocessing) is executed by a client side and comprises the steps of initializing, file partitioning, data label generating and file, label and public parameter storing. The second stage (challenging-responding) is an interaction process between a user and a cloud service provider, the user initiates a challenge to the cloud service provider before data upgrading or after data upgrading, a server makes a corresponding response and the user conducts integrity verifying according to the response made by the server. The third stage (user verifying) is executed by the user, when the user receives data P={P1, P2} returned by an organizer, the user obtains stored public parameters from a reliable third party, the integrity of the data stored in the cloud service provider is verified and if verification successes, accept is output and otherwise reject is output. In the fourth stage (dynamic upgrading), when the user needs to conduct dynamic operation on the data, the user works out new labels and sends the new labels to the organizer and then, the organizer conducts distributed storage.

The invention discloses a method for positioning the fault of a power distribution network. The method comprises the following steps: carrying out machine learning training on a deep neural network model frame containing a multilayer network module and a bidirectional long and short time memory network module, and obtaining an optimal deep neural network model; carrying out working condition waverecording on the power distribution network in each monitoring terminal to obtain wave recording data, and intercepting the wave recording data to obtain a fault waveform area; using the multilayer network module in the optimal deep neural network model to carry out feature extraction on the fault waveform area; uploading feature data to a system master station in each monitoring terminal, and carrying out feature data collection on the system master station, and combining the feature data of the monitoring terminals on the same transmission line into a feature data sequence according to a topological structure of the power distribution network; and inputting the feature data sequence into the bidirectional long and short time memory network module so as to obtain relative positions between each monitoring terminal and the fault point.

The invention provides a method for configuring up-going detection reference signals and a line termination equipment (LTE) heterogeneous network. A macro cell site of the LTE heterogeneous network and small power transmission nodes in the covering area of the LTE heterogeneous network form a heterogeneous small area cluster, a plurality of CoMP small areas in the heterogeneous small area cluster forms a CoMP cooperation collection for carrying out coordinated multipoint transmission for a same user terminal, area stage SRS resources of the CoMP area and user stage SRS resources of CoMP user experience design (UE) are uniformly configured by the macro cell site of a cluster, and thus the orthogonality of the CoMP UE and the CoMP, the CoMP UE and non-CoMP UE and the non-CoMP UE and the non-CoMP UE of the small area cooperation collection are achieved. According to the method for configuring the up-going detection reference signals and the LTE heterogeneous network, signal to interference plus noise ratio (SINR) of user SRS is improved, and interactive data quantity brought by coordinated SRS resource configuration of each small area is reduced.

The invention relates to the technical field of communication, in particular to a virtual key two-way authentication system and method. The system comprises a terminal, which is used for generating terminal authentication request information and sending it to the locked end for authentication. If the authentication passes, the generated terminal session key is sent to the locked end for authentication. If the authentication passes, the session key editing and unlocking instruction is sent to the locked end. The locked end is used for generating the authentication request information of the locked end and sending it to the terminal for authentication. If the authentication passes, the locked end session key is generated and sent to the terminal for authentication. If the authentication passes, the locked end session key is unlocked according to the unlocking instruction sent by the terminal. An offline communication module is used for transmitting information between the terminal and the locked end. The invention does not require on-line authentication of a third party when unlocking, but directly carries out information interaction between the terminal and the locked end, reduces the sensitivity of the whole system and the method to the network, and improves the safety and reliability in the use process.

The embodiment of the invention provides an edge computing distributed model training method, a terminal and network side equipment, and the method comprises the steps: enabling a cloud node to determine a basic model and an initial value of a cloud model coefficient, and transmitting the basic model and the initial value to N edge nodes; performing model training by using local data based on thebasic model and the initial values to obtain a local model coefficient, and reporting the local model coefficient to a cloud node; enabling the cloud node to update the cloud model coefficient based on the received local model coefficient, and issuing the updated cloud model coefficient to the N edge nodes; when the updated cloud model coefficient meets the requirements of the first target edge node, determining that the value of the local model coefficient of the first target edge node is the updated model coefficient. According to the embodiment of the invention, the interactive data volumein the edge computing distributed model training process can be reduced, so the resource consumption is reduced.

This invention discloses a network data pushing method and a system. The network data pushing method comprises: a background server can obtain the description information of user attributes through interacting with a user terminal and user data collected by interaction; and the background server selects matching network data to push to a user terminal according to the description information of the user attributes. This invention also discloses a network data pushing device, comprising a background server which is used for obtaining the description information of the user attributes through t interacting with the user terminal and the user data collected by interaction and selecting the matching network data to push to the user terminal according to the description information of user attributes. The network data pushing method and the device can relieve the load of the background server, and the user can also obtain the personalized data content.

The application provides a parking space reservation method, system and a storage medium. The method includes the following steps: a server terminal, on the basis of a parking lot reservation request from the user terminal, providing available parking space information of a corresponding parking lot, or a lot map file and available parking space information of the corresponding parking lot; a user terminal establishing the correspondence between respective parking space information that is acquired and the pre-stored lot map file of the parking lot to be reserved, and displaying the corresponded lot map file through a parking space reservation interface object; and the user terminal reserving a corresponding target parking space on the basis of reservation operation of the target parking space information from the parking space preservation interface target. The application also provides a self-service method for reserving a specific parking space in a parking lot by using the user terminal.

The invention relates to the technical field of communications, in particular to a virtual key sharing system and method. The system comprises a user terminal, which is used for interacting with a target terminal and generating authentication information of the target terminal and authentication information of the user terminal. The target terminal is used for verifying the received authenticationinformation of the user terminal, generating a session key of the target terminal, and sending an unlocking instruction edited by the session key to the locked terminal. The locked end is used for verifying the received authentication information of the target terminal with the private key of the user terminal, generating a session key of the locked end, and unlocking according to an unlocking instruction sent by the target terminal. An offline communication module is used for transmitting information between the terminal and the locked end. The user terminal and the target terminal of the invention carry out authentication of the identity information through the interactive public key, and only if the authentication is successful, the target terminal can use the identity information of the user terminal to unlock the locked end, which has the advantages of simple structure, simple method and safe and convenient use.

The invention provides an error correction method and device of an electronic map. The method comprises the steps that a target map is divided into multiple grids, and the error offset amount corresponding to each grid is obtained; the error offset amounts respectively corresponding to the grids and their longitude and latitude coordinates are stored as multiple piece of grid data having preset length byte numbers to form an engine file; positioning data sent by a positioning terminal is received and is converted to obtain target positioning data; according to the longitude and latitude coordinate values in the target positioning data, matched grids in the target map are looked up, and error correction is conducted on the target positioning data according to the corresponding error offsetamounts of the matched grids in the engine file. The data interaction amount during error correction is effectively decreased by pre-generating the engine file for error correction, the error correction efficiency is improved, and error correction accuracy is high.

The invention provides a method and a device for selecting time advanced-adjustment reference nodes in CoMP (coordinated multi-point) uplinks. The method includes firstly determining a current transmission model of a downlink CoMP; selecting an access point nearest to a user as a time advanced-adjustment reference node if the transmission mode is determined as a jointly processing mode; or selecting a main service access point of a user equipment as the time advanced-adjustment reference node if the transmission mode is determined as a coordinate dispatch/shaping mode. By utilizing different methods to select time advanced-adjustment reference nodes according to different transmission modes, data interaction quantity among base stations is greatly reduced. Further, the method is simple and easy, and no modification is carried on hardware of existing communication mechanisms.

The present invention provides an automatic monitoring system for a train and a control unit server. The ATS system includes a control unit server, a central ATS application server, and an ATS client.The control unit server is configured to send the monitoring data to the central ATS application server, and the central ATS application server is configured to generate an operation command and sendthe operation command to the control unit server. The control unit server is further configured to perform protocol conversion of the operation command, and transmit the converted operation command to a destination plane device. In the ATS system, there is no need of an independent station or vehicle segment ATS application server, and an interlocking display control machine of the station is notseparately set, thereby reducing the hardware cost. The monitoring data is centrally processed by the central ATS application server, thereby reducing the data interaction quantity between the central ATS application server and the station or vehicle segment ATS client, and reducing the complexity of software development.

The invention provides a method for re-authenticating a terminal, which aims to optimize an access process of the re-authentication of the existing WiMAX terminal and solve the problems of relatively slower re-authentication of the existing WiMAX terminal and higher pressure of an AAA server. The method comprises the following steps: sending an authentication start message (namely an EAP-Start message) to an authentication client (such as Supplicant) by firmware (which can be a chip embedded in the terminal such as WiMAX chip); generating an authentication response message and sending the authentication response message to the AAA server by the authentication client; sending a challenge message of a preset algorithm to the authentication client by the AAA server; sending a response message of the preset algorithm corresponding the challenge message of the preset algorithm to the AAA server by the authentication client; and sending a successful authentication message to the authentication client by the AAA server, wherein the authentication response message carries the identification information of the terminal. In addition, the invention also provides a device for re-authenticating the terminal.

The invention relates to the field of communication, in particular to an Internet-of-Things dynamic NTRU access authentication method based on time information, which comprises the following steps: asystem user HSS server sends initialization information, and power Internet-of-Things terminal equipment encrypts the initialization information by using an NTRU security encryption algorithm with anMD5 function to form authentication information containing the time information, and sends the authentication information to an edge computing MME server; after the edge computing MME server receivesthe authentication information, MD5 functions of three adjacent time points are calculated to achieve system synchronization, the edge computing MME server uses the MD5 functions for calculation to obtain returned authentication information, and the electric power Internet-of-Things terminal device compares and verifies the returned authentication information of the edge computing MME server and local information; and if verification succeeds, an encrypted secure channel is established.

The invention discloses a screening module and a screening method based on an FPGA (Field Programmable Gate Array), belonging to the field of quantum secret communication, for solving the problem that great storage burden is caused as the conventional screening module and the screening method are poor in real-time property of key generation velocity and large in data interaction. The screening method comprises the following steps: calculating the times that one of two adjacent events, which meets the condition that K is either 0 or 1 through a run length encoding module, wherein the two adjacent events both meet the condition that K is neither 0 nor 1, obtaining counting result run_1en, adding an identification bit to the counting result run_1en, subsequently conveying the counting result run_1en as a run length code run1en_code to an Alice module for processing to obtain a screening code Alice_siftedkey of the Alice module, further resulting the position information of the screening code Alice_siftedkey output from the Alice module to a key extract module in a Bob module, further extracting and outputting a screening code Bob_siftedkey from a valid naked code Bob_key according to the position information result of the screening code Alice_siftedkey, and outputting the screening code to the Bob module through the screening code Bob-siftedkey. The screening module and the screening method are applicable to the field of key screening in quantum secret communication.

The invention discloses a safety management and control system for a capital construction site, and the system comprises a camera device which is used for shooting a monitoring image of a preset area of the capital construction site in real time, and uploading a monitoring image which is shot subsequently to operation gateway equipment if the monitoring image of the current frame is different from a pre-stored image; the operation gateway equipment is used for carrying out image recognition on the received monitoring image, obtaining abnormal condition information in a preset area and uploading the abnormal condition information to the background server; and the background server sends an alarm prompt according to the abnormal condition information. The safety management and control system is simple in equipment structure, easy to configure and install, low in operation and use cost and capable of being repeatedly used on a plurality of capital construction sites, the safety maintenance cost of the capital construction sites is reduced to a great extent, and urbanization is facilitated. The invention further provides a safety control method for the capital construction site, and the safety control method has the above beneficial effects.

The invention discloses an interaction method and device based on a virtual article and a storage medium. The method comprises the steps of: displaying a first augmented reality picture in a first terminal; in response to a virtual article placement instruction triggered by the first terminal, presenting a virtual article in the first augmented reality picture, and determining target attribute information of the virtual article, wherein the target attribute information comprises first geographic position information of a placement place of the virtual article and first scene feature information when the virtual article is placed; and sending the target attribute information. According to the embodiment of the invention, the placement of the virtual article is realized through the first terminal, the searching and receiving of the virtual article are realized through the target attribute matching of the second terminal, and the server, the remote monitoring terminal and the like store the target attribute information and forward the data, so that the operation burden and pressure of the server, the remote monitoring terminal and the like are reduced, and richer user interaction experience is provided, and the method can be widely applied to the technical field of computers.

The embodiment of the invention provides an information synchronization method and device. The information synchronization method comprises the steps that game information of a player located in a game scene, which is sent by a first game terminal is received, and the game information comprises game state information and player position information; a game area where the player is located currently is selected from a plurality of game areas according to the player position information to serve as a first game area; a plurality of second game areas adjacent to the first game area are determinedaccording to the adjacent relation among all game areas; information of a player located in the first game area and second game areas is obtained, the player is taken as a target player, and a game terminal corresponding to the target player is selected from a plurality of second game terminals is taken as a target game terminal; the game information is broadcasted to the target game terminal toupdate current game information displayed in the target game terminal. The information synchronization method and device can effectively reduce the bandwidth consumption and performance cost which arebrought by information synchronization when a great number of player states change.

The invention provides a page loading method and device, electronic equipment and a computer readable storage medium, and relates to the technical field of research and development management, the method comprises the following steps: obtaining a page loading request, the page loading request indicating identification information of a target html file; Dynamically reading a page content file fromthe local target html file through an automatic construction tool according to the identification information of the target html file; And according to the page content file, rendering a page corresponding to the target html file. According to the technical scheme provided by the invention, the technical scheme that the webpage reads the data in the local html file repalces the technical scheme that the webpage requests data from the outside in the related technology. data interaction between the webpage and the outside is reduced, the webpage can obtain the webpage content file more quickly,the webpage rendering and loading process is simplified, the overall time of webpage loading can be saved, the burden of the webpage is reduced, and the user experience is improved.

The invention discloses a virtual character control method and device, equipment and a medium, and is applied to the field of virtual world. The method comprises the following steps: displaying a first virtual character in a virtual environment; receiving a movement control operation used for controlling the first virtual character to change the movement state in the virtual environment, wherein the movement state comprises a standing state and an advancing state; in response to the movement control operation, determining a first transition animation frame corresponding to a first movement distance in a transition animation, the first movement distance being a movement distance of the first virtual character in a first transition stage of the movement state change; and playing the first transition animation frame corresponding to the first moving distance to obtain a moving animation of the first virtual character in the first transition stage. According to the method, on the premise that the calculation pressure of the server is small, the change of the moving state of the virtual character is natural.