36results about How to "Save broadband resources" patented technology

The invention discloses an access control method based on encryption and Bloom filter in a named data network. The method comprises the following steps: forwarding a data request interest packet of aconsumer to a station or an intermediate NDN router in the named data network (NDN network); filtering the data request interest packet by using the Bloom Filter; returning the corresponding encrypteddata packet to the consumer; searching a data key, and attempting to decrypt the encrypted data packet; opening data in the case of decryption success, otherwise, sending a key request interest packet to the station, verifying the validity of the consumer, and if the consumer is valid, encrypting the data key via a public key of the consumer and returning the data key to the consumer; and decrypting the data key via a private key of the consumer, decrypting the encrypted data packet by using the decrypted data key, and opening the data in the encrypted data packet. By adoption of the technical scheme of the invention, the situation that encrypted contents are sent to an unauthorized user is avoided, the bandwidth resources are saved, and the unauthorized user is prevented from obtaining and attempting to decrypt the data.

The invention discloses a high-speed pushing method of a digital television data file based on a streaming video and a device thereof, which can realize a high-speed unidirectional cable network datareceiving and transmitting path. The invention has the technical scheme that the method comprises the steps of: automatically generating a video file list to be pushed by a content management system;after receiving a file updating notification about the video file list from the content management system, directly transmitting the video stream, the audio stream and the program time reference stream of a video file to a set-top box by an individual transmission packet identification path by means of transmission packet; and directly using the video file after the set-top box receives the videofile.

The invention provides a method and a device for issuing number marking information, and a method and a device for marking an incoming call number. Wherein, the method for issuing number tagging information includes: obtaining a tag library containing tag information of multiple numbers; determining at least one time period, extracting the tag information of numbers corresponding to each time period from the tag library according to at least one time period, and obtaining at least one The first-level sub-label library; obtain the feature information of the client to be delivered; filter out one or more first-level sub-mark libraries from at least one first-level sub-mark library according to the feature information; when the client to be delivered is connected to the wireless network , deliver the filtered one or more first-level child tag libraries to the client to be delivered. The embodiment of the present invention only delivers the first-level sub-mark library to the client when it is not connected to the wireless network, which saves broadband resources and storage resources of the client.

The embodiment of the invention provides a data sending method applied to a vehicle-mounted terminal, and the method comprises the steps: selecting data matched with a preset collection condition from data stored in the vehicle-mounted terminal according to the preset collection condition, and using the data as data to be sent; and sending the data to be sent to external equipment. According to the invention, by setting the corresponding preset collection condition, accurate retrieval and screening can be carried out according to conditions such as driving time and driving places, so that video data can be uploaded according to user requirements, and network broadband resources are greatly reduced while the user requirements are met.

The embodiment of the invention relates to a DCC message transmission method and a DCC message transmission system, belonging to the technical field of telecommunication data transmission. The methodcomprises the following steps: disassembling a received DCC message and obtaining AVPs data and DCC header data; according to attribute information of the AVPs data, calling a target compression algorithm corresponding to the attribute information from a preset compression library; compressing the AVPs data according to the target compression algorithm and obtaining compressed data; and transmitting the DCC header data and the compressed data. Through the technical scheme provided by the embodiment of the invention, on one hand, a technical disadvantage of low message transmission speed in theexisting technology is avoided; and on the other hand, a technical effect of efficient and accurate transmission of the message is realized, and resource is saved.

The invention relates to a data uploading method, and specifically relates to a system and method for realizing complex differential uploading of on-board equipment data based on a QP quantum state machine. The method comprises the following steps: S1, the QP quantum state machine is created; S2, a differential uploading module receives a message from an OBD bus or collected by an internet, and a message event triggers a QP quantum state machine processing function; and S3, the QP quantum state machine acquires data according to an uploading rule, judges the validity of the data, packages the data and transmits the data to a client through a network. According to the system and the method provided by the invention, by adopting the QP quantum state machine, an embedded system using C language as main development can deal with complex and variable uploading demands of vehicle data flexibly, deal with complex uploading rule formulated according to different business demands, guarantee the uploading of specific values closely related to the business demands, reduce the redundancy of the vehicle data, and not only reduce the broadband resources, but also reduce the storage pressure; and the availability is improved, and the business is more convenient to maintain and expand.

The invention requests to protect a streaming media displaying method and system based on transportation rail. The method comprises the following steps: a left transportation trail receives a streaming media signal message sent by at least one transportation rail in communication range of other transportation rail; the left transportation rail queries all currently received streaming media signalmessages according to the first streaming media data flow ID of the to-be-displayed streaming media, and judges whether the streaming media signal message including the first streaming media data flowID is existent; and the right transportation rail for performing displaying is determined if the streaming media signal message including the first streaming media data ID is existent. The technicalproblem that the load of a roadside dispatching station achieves the bottleneck since the mutual communication of increasing rail transportation tool and the roadside dispatching station occupies a large amount of bandwidth of the roadside dispatching station can be solved, the multimedia information interaction is performed by sufficiently utilizing the communication bandwidth, the communicationfrequency of the rail transportation tool and the roadside dispatching station is reduced, and the bandwidth resource of the roadside dispatching station is saved.

The invention discloses a method for informing terminal mobility limit refusal in a WiMAX (World Interoperability for Microwave Access) system. The method comprises the following steps of: acquiring a mobility limit reason of a terminal by a base station according to a switching request sent by the terminal; sending a response message containing the mobility limit reason to the terminal; and stopping the switching request by the terminal according to the mobility limit reason. The invention also provides a corresponding device and system. The method, the device and the system for informing the terminal mobility limit refusal in the WiMAX system, which are proposed by the invention, inform the terminal of a refusal reason by adding fields in the response message sent to the terminal and writing the mobility limit reason, stop the subsequent operation of the terminal and save broadband resources.

The invention provides a video distribution method and a base station. The video distribution method is applied to an MEC node, and includes: obtaining a play request of a first video file; determining play configuration information according to the play request; performing a codec operation on the first video file according to the play configuration information to obtain a second video file; sending the second video file. In the embodiment of the present invention, the encoding and decoding technology of the video service is integrated in the MEC node, and there is no need to set up a separate server for encoding and decoding processing, which saves broadband resources and can save costs at the same time; the MEC node uses the playback configuration information to process the first video file Accurate codec format matching avoids the risk of incompatibility of video content for users to watch caused by a single codec format in the cloud, and greatly improves the user's video viewing experience.

The invention discloses an instruction generation method and system based on wireless communication, and belongs to the technical field of computer artificial intelligence. The method comprises the following steps: the local controller obtains electric energy data collected by the electric energy data sensor in a wireless communication mode and then sends the electric energy data to the cloud server; the cloud server matches and compares the electric energy data with a preset instruction generation condition, and generates a control instruction according to the electric energy data when the electric energy data is matched with the instruction generation condition, so that the cloud server sends the control instruction to the data receiving equipment through the local controller. Accordingto the instruction generation method and system based on wireless communication, the control instruction can be automatically generated to control other electronic equipment; the real-time performanceand convenience of electronic equipment control are greatly improved, the electric energy data and the control instruction are transferred through the local controller, broadband resources of the cloud server are greatly saved, and the transmission efficiency of the electric energy data and the control instruction is effectively improved.

The invention provides methods and devices for checking files. The method comprises the steps of sending a first file checking request of a user to a corresponding network device; acquiring a second file which is returned by the network device and is corresponding to a first file, and displaying the second file on a user device; acquiring a page number operational order for the second file of the user, and sending the page number operational order for the second file to the network device; and receiving a part of file corresponding to the page operational order in the first file returned by the network device, and displaying the part of file on the user device. According to the method, the first file is converted into the second file and high resolution part of file at the network device side, so that a first file page skip checking function of the user device side is realized, network broadband resources are saved, the time for generation and transmission of the second file and part of file is reduced, and the network device can be remotely controlled through the user device to play the first file.

The invention relates to a data processing method, a data processing device, an electronic device and a non-temporary computer readable storage medium. The data processing method comprises the following steps of receiving a first picture sent by a first client and a length-width ratio of the first picture; intercepting the first picture into a plurality of second pictures according to the length-width ratio of the first picture; and sending the plurality of second pictures to the second client in a fragmentation manner, and according to the length-width ratio of the first picture, using the server to intercept the received first picture into a plurality of second pictures and issue the plurality of second pictures to the second client in the fragmentation manner. According to the present invention, the real-time performance of picture sending is improved, so that the user experience is improved; at the same time, a lot of broadband resources are saved.

The invention provides a business isolating method and device, and the method comprises the steps: calculating the sum of commitment information rates of a target business, wherein the businesses outputted at a business outlet port comprise the target business; enabling one part of the target business to be transmitted through a standby port when the sum of commitment information rates is greater than an allowed bandwidth of the standby port of the business outlet port, and transmitting the other part of the target business through the business outlet port. According to the embodiment of the invention, the method can save the bandwidth resources.

The invention provides an unmanned aerial vehicle omni-directional avoidance device based on artificial intelligence. The device comprises a master controller and COFDM modulation. The two sides of the master controller are connected with the driver and the ultrasonic transmitter through wires and signal lines respectively. The ultrasonic transmitter is fixedly connected to one side of the rear fixing base through threads. A transmitting port is formed in the end part of the ultrasonic transmitter. The COFDM receives an image compression coding signal. The image compression code receives an image signal transmitted by the camera. Two ends of the COFDM modulator are respectively connected with the serial-parallel converter and the A / D converter. According to the device, in image and other information transmission, by encoding video information and performing multi-segment compression and hierarchical decoding, the video transmission efficiency can be improved, the image transmission stability during unmanned aerial vehicle detection can be improved, and the overall device, the image transmission rate, the definition after image transmission and the avoidance signal transmission efficiency are better than those of a traditional mode.

The invention provides a signal detection method which comprises the following steps: a transmitting device converts signals needed for transmission into a plurality of symbol subflows the number of which is the same with that of transmitting antennas; the symbol subflows are respectively modulated; modulated results are respectively coded differentially; space-time code matrixes are constructed by utilization of differential coding symbols and respectively transmitted in continuous moments through the transmitting antennas; a receiving device receives the space-time code matrixes which are transmitted by the transmitting device, and signals after filtration are obtained by filtering the space-time code matrixes; the signals after filtration are judged differentially, and symbols which are generated by modulation of the transmitting device are obtained; after demodulation of the symbols, the symbol subflows which are transmitted by the transmitting device are obtained and then converted into signals which are transmitted by the transmitting device. Channels are unnecessary to estimate through the signal detection method and a signal detection system which are provided by an embodiment of the invention, thereby broadband resources are effectively saved.

The invention relates to a data processing method, a data processing device, an electronic device and a non-temporary computer readable storage medium. The data processing method comprises the following steps of receiving a first picture sent by a first client and a length-width ratio of the first picture; intercepting the first picture into a plurality of second pictures according to the length-width ratio of the first picture; and sending the plurality of second pictures to the second client in a fragmentation manner, and according to the length-width ratio of the first picture, using the server to intercept the received first picture into a plurality of second pictures and issue the plurality of second pictures to the second client in the fragmentation manner. According to the present invention, the real-time performance of picture sending is improved, so that the user experience is improved; at the same time, a lot of broadband resources are saved.

The invention provides a data sharing method and edge computing equipment, and the method comprises the steps: receiving a user file sent by a first terminal, the user file comprising first file data and a first number; and when it is determined that the first number belongs to the registered user, storing the first file data, and setting the state of the first file data to determine the operation authority of the terminal corresponding to the binding number having the binding relationship with the first number to the first file data, wherein the terminal corresponding to the binding number having the binding relationship with the first number can execute corresponding operation on the first file data according to the operation authority of the first file data. Mass data of family users can be managed in a unified mode, the transmission speed is high, broadband resources are saved, and the user experience is improved.