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

The invention discloses a method and device for adjusting the shooting angle of a camera during video call. The method comprises the steps that when the fact that a terminal is in a video call state is detected, user images collected in real time by the terminal camera are obtained; the user images are subjected to human face detecting, whether a human face in the user images is placed in a set zone of the user images is judged; when the human face in the user images is placed in the set zone of the user images, according to the position of the human face and the set zone, the shooting angle of the terminal camera is adjusted, and accordingly the human face of the user images can be placed in the set zone. The human face of the user images can be placed in the set zone all the time, manual adjusting through voice call by two calling sides is of no need, network broadband resources are saved, and user experience during video call is improved.

The invention discloses a wireless router stability testing system and method. The system comprises a broadband server, a simulative generator and a plurality of wireless routers, and further comprises a concentrator, wherein the simulative generator is connected with a network cable port of a computer, connected with the broadband server and used for virtually obtaining N wireless clients, network cable ports of the wireless routers are respectively connected to the broadband server, serial ports of the wireless routers are respectively connected with the computer and are in wireless network connection with the simulative generator, and the simulative generator is connected with the broadband server through the concentrator. According to the wireless router stability testing system and method, on the one hand, the testing environment can be simplified, and wireless testing terminal resources are saved; on the other hand, flow varieties between wireless terminal equipment and the wireless routers can be increased, the routers can be tested at the same time, and testing efficiency is improved.

The invention relates to a method and system for realizing live broadcast based on a session initialization protocol and belongs to the VOIP communication technical field. With the method and system adopted, technical problems of resource waste, high maintenance cost and large bandwidth occupancy in VOIP software-based video chat and live broadcast software-based personalized live broadcast in the prior art can be solved. According to the method, a live broadcast end adopts an SIP INVITE method to create a live broadcast room for an SIP server; the live broadcast end transmits audio and video streams to an MCU server; a broadcast end adopts the SIP INVITE method to apply for joining the live broadcast room for the SIP server; after the SIP server reports the IP address and port of the broadcast end to a corresponding conference room of the MCU server, the MCU server pushes the audio and video streams of the live broadcast end to the broadcast end; the conference room of the MCU server is adopted as a live broadcast room; and therefore, either video chat or live broadcast can be realized, and broadband resources and resources occupied by a mobile terminal can be effectively decreased, and maintenance is convenient.

The invention provides a method, a device and a system for downloading programs based on a vehicle-mounted terminal. The method comprises that a first vehicle-mounted terminal receives a broadcast message which is transmitted by at least one vehicle-mounted terminal within the communication range of other vehicle-mounted terminals, the broadcast message comprises a vehicle-mounted terminal mark, a name of a program which can be downloaded and a sequence number of a downloaded program content data piece which corresponds to the program name, all broadcast messages which are received currently are inquired through the first vehicle-mounted terminal in accordance with the name of the first program to be downloaded, a vehicle-mounted terminal which transmits the broadcast message containing the first program name serves as a second vehicle-mounted terminal, and the program content data piece of the downloaded program of which is marked by the sequence number sequentially can be obtained from the second vehicle-mounted terminal. The communication bandwidth among cars is used completely to conduct multimedia information interaction, the communication number of cars and roadside stations is reduced and the roadside station bandwidth resource is saved.

The invention discloses a content distribution network system and a management method. The content distribution network system comprises a plurality of gateway equipment, wherein each gateway equipment is respectively used for storing preset data resources, and monitoring current use traffic information and receiving a download request sent by a client connected with the gateway equipment, wherein the download request comprises a source address of the client, and the gateway equipment provides corresponding data resources for the client according to the download request for downloading; a management server used for storing an address of each gateway equipment and a request object corresponding to data resources associated with the address, and monitoring traffic information and location information of each gateway information; and the management server is used for parsing the download request to obtain the corresponding request object and source address, adopting a preset strategy to acquire an address of the gateway equipment associated with the request object, selecting the gateway equipment corresponding to an address closest to the source address, and connecting a client corresponding to the source address to the selected gateway equipment download request.

The invention provides a game interaction method and system. The game interaction method comprises the steps that IP addresses, sent by a server, of other clients of a target game are received; sending a request for establishing P2P connection to the other clients; under the condition that a response message fed back by a first client in the other clients is received, establishing a P2P connection channel with the first client; and sending a game state synchronization request to the first client through the P2P connection channel, and performing game state synchronization with the first client through the P2P connection channel. In the game interaction method, the P2P connection channel is established between the clients in the target game, so that direct connection between the clients is realized, and the server does not need to be used as a transfer for data interaction between the clients, so that the pressure of frequent data transmission on the server is reduced and the broadband resources are saved; therefore, the server can be supported to be connected with more players at the same time.

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 provides a method and device for transmitting number mark information, and a method and device for marking the number of an incoming call. The method for transmitting the number mark information comprises the steps: obtaining a mark library comprising the mark information of a plurality of numbers; determining at least one time period, extracting the mark information of numbers corresponding to all time periods from the mark library according to at least one period, and obtaining at least one primary son mark library; obtaining the feature information of a to-be-transmitted client; screening out one or more primary son mark libraries from at least one primary son mark library according to the feature information; and enabling one or more screened primary son mark libraries to be transmitted to the to-be-transmitted client when the to-be-transmitted client is in wireless network connection. According to the embodiment of the invention, the method just transmits the primary son mark libraries to the client when the client is not in the wireless network connection, and saves the broadband resources and the storage resources of the client.

The invention discloses a cloud storage method for content optimization of a cloud video, relates to the technical field of video encoding processing of video information and solves the technical defect of large volume of stored data of a content of the cloud video or incomplete video storage. The method comprises the following steps of comparing upper and lower adjacent data key frame contents before video equipment outputs video data to a cloud storage server; respectively converting two data key frames into data bit matrixes; and if the matching degree of data values of the two data bit matrixes reaches a preset percentage, considering that the upper and lower adjacent data key frame contents are similar, only uploading one data key frame content and not repeatedly uploading the same data key frame content. The data values of the data bit matrixes corresponding to the two adjacent data key frame contents are matched, and the data key frame contents which are considered to be similar are not repeatedly uploaded, so that the resource consumption of the cloud storage server is reduced while a user is guaranteed to watch a continuous video for 24 hours, and the broadband resources are saved.

The present invention discloses a method and device of flow control for reducing RLC (Radio Link Control) layer data retransmission. The method comprises: determining the time period of downlink business data buffer memory average time Tdelay of UE, and regulating flow control according to a presetting rule according to the time period. Prior to the time period of the Tdelay of the UE, the method also comprises: setting a plurality of time periods in advance according to the downlink data business performance, and recording the Tdelay. Besides, the present invention further discloses a device of flow control for reducing RLC layer data retransmission. The method and device of flow control for reducing RLC (Radio Link Control) layer data retransmission are able to reduce unnecessary data retransmission, greatly reduce the number of occurrence of the RLC layer out-of-order problem, improve the download performance and greatly lift the user experience.

The invention provides an instrument data cloud edge collaborative acquisition and processing system and method based on image recognition, and the system comprises a camera which is used for obtaining the image data of an instrument and transmitting the image data to an edge server; the edge server is used for receiving the operation instruction of the cloud server, identifying the image data, obtaining an identification result and feeding back the identification result to the cloud server; and the cloud server is used for issuing an operation instruction to the edge server and receiving an identification result of the edge server. According to the invention, the instrument reading is identified by using the image, a transmitter does not need to be additionally arranged on the instrument, an existing camera on site is not reused or a network camera does not need to be independently installed, personnel on-site recording, automatic numerical value identification and summarization, alarm information generation and communication through an edge server and a remote platform are not needed, and the network security is ensured. When the camera goes wrong, the camera can be replaced quickly, and the production process is not affected.

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 discloses a mobile electricity supplement vehicle system and control method based on wireless communication. The system includes a Zigbee wireless communication module, an information collecting module, a central data processing module, a 4G communication module and a cloud-side server. The Zigbee wireless communication module is connected to the information collecting module, the information collecting module is connected to the central data processing module, the central data processing module is connected to the 4G communication module, and the 4G communication module is connected to the cloud-side server. Close data transmission is carried out by means of Zigbee wireless communication to achieve signal interaction between bicycles and mobile electricity supplement vehicles, and 4G communication is utilized to carry out distant signal transmission to achieve signal interaction among the mobile electricity supplement vehicles. Moreover, the structure is simple, and resources are saved.