1467results about How to "Achieve synchronization" patented technology

The invention relates to methods for (re)attaching a UE to a 3GPP access network and for storing bearer context information of a UE upon handover from a 3GPP access network to a non-3GPP access network. Furthermore, the invention relates to 3GPP network nodes, such as mobility management entity, serving gateway and packed data gateway, and a UE that are specially adapted to perform these methods. In order to decrease of the delay time during (re)attachment of a UE to a 3GPP access network, the invention proposes to maintain context information on data bearer(s) of a UE within the 3GPP access network and the UE, while the UE is not attached to the 3GPP access network, so that data bearer context information for this UE is available and can be used for the (re)activation of data bearer(s) once the UE is attaching to the 3GPP access network again.

Improved techniques for synchronization of media contents stored on a media player with media contents stored on a host computer are disclosed. According to one aspect, synchronization can be automatically initiated and performed upon connection of a data link between the media player and the host computer. According to another aspect, synchronization is able to be achieved with a reduced amount of data transfer between the host computer and the media device.

The invention provides a reference signal configuring method and system, an apparatus with a base station function, a reference signal receiving method, a reference signal receiving system, and a terminal. The reference signal configuring method comprises: setting at least one discovery reference signal (DRS) in DMTC (DRS measurement timing configuration); configuring a sending parameter for the at least one DRS; and sending the sending parameter to a terminal served by the apparatus with a base station function in order that the terminal receives the at least one DRS according to the sending parameter. The reference signal configuring method may reduce DRS detection complexity for UE while increasing DRS sending probability in order to enable the terminal to accurately receive the DRS and achieve frame synchronization and subframe synchronization.

A cardiac assist device synchronization system includes a cardiac assist device and an acoustic or accelerometer sensor that provides a signal input to the cardiac assist device indicative of aortic valve closure. The cardiac assist device is coupled to a mammalian aorta and includes an inflatable chamber and a fluid pump. A fluid conduit is in communication between the chamber and the pump to provide for selective inflation of the chamber. A pump controller triggers the pump in counter-pulsation to a mammalian heart upstream from the aorta. A process for synchronizing a cardiac assist device in counter-pulsation with a left ventricle includes locating an acoustic or accelerometer sensor within a thoracic cavity of a mammal having the assist device coupled to the aorta of the mammal. Through the measurement of an acoustic or acceleration property of an aortic valve of the mammal, and the transmission of aortic valve closure measurement through a controller for the cardiac assist device, counter-pulsatile synchronization for the cardiac assist device is achieved.

The invention relates to the technical field of data synchronization, and discloses a database synchronization method. The method comprises the following steps of: capturing the variation information of the data in a source database and the affairs corresponding to the data variation in real time, and storing the captured variation information and the affairs in a middle database; determining a target database needed to be synchronized, according to the variation information stored in the middle database; converting the variation information into the target data corresponding to the target database; and synchronously updating all the target data corresponding to the same affair to the target database. With the database synchronization method and the system thereof, the data synchronization of different types of databases and the data synchronization between heterogeneous data tables are implemented, consumption of system resource in the synchronization process is reduced, and the reliability of the synchronization process is ensured.

The invention relates to a method for achieving automatic synchronization of multi-source heterogeneous data resources. A metadata service node, a service node and a production node are related in the method, the metadata service node is responsible for storing a data dictionary in a distributed heterogeneous database system, the service node is responsible for analyzing user requests in the distributed heterogeneous database system and carrying out synchronization with a database on the production node periodically, and the production node is responsible for requests such as inquiring and updating in a corresponding production application system, wherein the service node is formed by a configuration recognizer, a blog parser and a data synchronizer, the configuration recognizer is used for analyzing the configuration of a source database on the production node and selecting a feasible synchronizing mode, the blog parser is used for analyzing blogs of different dataset systems and is a component for first-phase preparing work of an increment synchronization mode, and the data synchronizer carries out data synchronization according to the synchronizing mode of the configuration recognizer. The method for achieving the automatic synchronization of the multi-source heterogeneous data resources enables the automatic synchronization of the multi-source heterogeneous data resources to be achieved, and can be used in data resource processing.

The invention relates to the field of occupation of the mass data memory space and backup and recovery of historical data, and in particular provides a data recovery and synchronization method based on log snapshots. The data recovery and synchronization method based on the log snapshots adopts log files with given format to record changed information of data of databases each time; the changed information is formatted, positioned and stored into the log files; an analytic program calls an approximate algorithm to acquire effective data on set time points by means of multithreading; the data is temporarily stored into a temporary table, and abstract data snapshots are generated according to the temporary table; and data recovery and synchronization is realized by utilization of the snapshots. The data recovery and synchronization method based on the log snapshots can greatly reduce the burden of a database system, obviously improve the efficiency of the database system and an application system, save a great deal of memory space, and reduce the operation cost of the systems.

The invention discloses a multi-modal information fusion football video event detection and semantic annotation method. The multi-modal information fusion football video event detection and semantic annotation method includes the steps of detecting the event type of Internet match result report text description statements with the potential semantic analytical method; detecting football video intermediate semantic objects, dividing a site area, conducting attack-and-defense transition analysis, and determining boundaries of video event fragments; determining the match starting time according to kick-off circle and whistling detection results, and achieving initial semantic classification of attack-and-defense fragments with the Bayesian network; under the constraint of coarse-grained time information in text descriptions, achieving the football video event semantic annotation according to semantic synchronization text descriptions and video events of texts and the video fragments. By means of the method, the Internet text information and video inherent audio-visual feature analysis are fused for analyzing football videos, accuracy for detecting the video events and the boundaries of the video events is improved, the rich semantic annotation of football video contents is achieved, and a solid foundation is laid for building a video indexing mechanism based on semantics.

A system for controlling a multi-element antenna array comprising a plurality of elements each arranged to receive a signal from a signal source, wherein each of the plurality of elements includes a frequency locking module arranged to lock the frequency of the signal received by each of the elements, and, a phase control module being in communication with each of the frequency locking modules to control the phase of the signal received by each of the elements.

The invention discloses a block chain state synchronization method and device applied to a block chain network. The block chain network comprises multiple nodes, the method comprises the following steps: selecting a first node with block height meeting a preset condition in the block chain network, and creating a state block for the selected first node; summarizing the latest block chain state data in the first node to the state block; and responding to a synchronization request of the block chain state when monitoring the synchronization request of the block chain state broadcasted by a second node in the block chain network, thereby enabling the second node to acquire the state block from the first node to realize the synchronization of the block chain state. By using the synchronization method disclosed by the invention, the storage space occupied by the block chain node is reduced, and the service life of the block chain node is prolonged.

The invention provides a method for implementing multi-user live video business, comprising the steps that each live broadcast client segments and packages the live video stream of a corresponding live broadcast participator, and adds a timestamp of the corresponding segment of live video stream into at least one data packet; and a live broadcast stream mixing server receives the live broadcast video stream data packet of each live broadcast client, aligns the live broadcast video streams of the live broadcast clients according to the timestamps and then combines by mixing, and thereby forms an integrated multi-user live video stream for live broadcast. By using the method for implementing the multi-user live video business, the content of the video playing in every live broadcast client is synchronous.

The invention relates to a data synchronization method and system among heterogeneous databases, by which the two purposes of historical data synchronization and incremental data synchronization are achieved. According to the method, heterogeneous synchronization among various types of main databases is supported, other tools and scripts are not needed, the historical data synchronization and the incremental data synchronization can be easily configured and are automatically linked, and the complexity is reduced. The system is simple and easy to understand, backstage scrip writing and database command input are not needed, and a whole data synchronization service can be configured even by a person who has no experience in database application. The method and the system are applicable for a synchronization scenario of various types of data.

The invention provides a heterogeneous database synchronization method and an application system. A synchronous processor arranged on a side of a source data source can periodically poll change data recorded in a synchronous change table and encapsulate the change data into a data stream to send the data stream to a synchronous analyzer arranged on the side of a target database. The synchronous analyzer de-capsulates the data stream, then maps the change data in the source data table into a data structure of a target data table in the target database according to preset mapping files, and synchronizes the data of the target data table according to the change type values in the change data so as to complete the data synchronization of heterogeneous databases. The heterogeneous database synchronization method and the application system disclosed by the invention can achieve the data synchronization of heterogeneous databases just by setting different mapping files on the synchronous analyzer instead of changing the existing heterogeneous databases, the implementation is simple, and the expansion is easy.

A method for enabling synchronization of a communications terminal in a wireless communication system, and a corresponding acquisition system of the communications terminal, wherein the method consists of the steps of: receiving a burst at a receiver of the communications terminal, the burst containing a composite waveform including two or more component waveforms, wherein each of the two or more waveforms has a known frequency variation throughout the burst; detecting the presence of the composite waveform; and estimating a frequency offset and a timing offset of the composite waveform as received into the receiver, whereby synchronization is achieved.

The invention provides a heterogeneous database platform data synchronization method. The heterogeneous database platform data synchronization method includes the following steps that a first external data exchange module and a second external data exchange module which correspond to a source database and a target database respectively are installed in a PostgreSQL database, and a first external data exchange module extender, a first external server, a second external data exchange module extender and a second server are built, wherein the source database and the target database are heterogeneous databases; a first external data table and a second external data table which are in mapping relation with the source database and the target database respectively are built, and triggers for capturing data changes are built. The PostgreSQL database and the corresponding data exchange modules serve as media innovatively to achieve data synchronization / copying between external multi-source heterogeneous databases.

The invention relates to multimedia real-time transmission in packet network, disclosing a lip synchronizing method and device for multimedia real-time transmission in packet network, able to simply and effectively regulate to overcome network dithering and variation and implementing lip synchronization of audio and video streams. And it sets buffers which can flexibly regulate buffering time length according to network time delay information and implement synchronization of audio and video streams by regulating their buffering time lengths; it sets a time delay detection module to detect transmission time delays of audio and video data in packet network and then uses synchronizing module to refer to their average transmission time delay and transmission time delay so as to synchronize audio and video modules; it uses the synchronizing module to calculate buffer-storing time lengths of audio and video buffers and flexibly sets them to resist network transmission dithering; it makes one of the audio and video parties regularly transmit synchronous time reference point to the other one so as to coordinate their synchronization.

The invention discloses a realizing method and a realizing system of an intelligent home video business in a multi-screen cooperating mode. One embodiment of the method comprises the steps that a user group is established; the user state is stored; a communication mode between each two client terminals is defined; the roles and the functions of the client terminals are defined; and the client terminal information synchronization of each intelligent equipment is realized through the way that a video is broadcast or ordered to each client terminal in the network in a streaming media manner, and a synchronization request is sent to other terminals after a video receiving program of a video terminal acquires a timestamp mark thorough combining the way of timestamp marking of an RTSP (real time streaming protocol) in video streaming media with the way of an EPG (electronic program guide) of television programs so as to realize synchronization among different media terminals. The method and the system are used for being combined with a new business mode requirement of a video business and solve the problem that the existing three-screen interaction solution which has less control over the video broadcasting mode does not achieve a complete support effect on the new video business mode.

The embodiment of the invention provides a data synchronization method which comprises the following steps: acquiring operation log records corresponding to a source database, wherein the operation log records are used for recording various operation behaviors and operation information of the source database in the specified duration before the current time; and executing corresponding operations on a target database according to the operation behaviors and the operation information corresponding to each of the acquired operation log records. The data synchronization method provided by the embodiment of the invention analyzes the data operation aiming at the source database by reading the logs of the source database, and executes the same data operation on the target database to realize the data synchronization between the databases. The data synchronization method provided by the embodiment of the invention and the device thereof reduce the system cost in the data synchronization method and improve the real-time property and accuracy of data synchronization.

The invention discloses a method for data synchronization and a device thereof, which aims at solving the problem that broadcast list synchronization is difficult in traditional media players. The method comprises the following steps: a server end collects data association information selected by a client end; the server end stores the collected data association information; when different client ends log on by using the same account, the server end sends the data association information corresponding to the account to the login client end. The user can use any client end to share the selected data association information, thus realizing data synchronization conveniently.

The embodiment of the invention discloses synchronous method, apparatus and system for a distributed database. The synchronous method of the distributed database comprises the following steps of: updating a local database of a first node by the first node according to a user request, generating a synchronous operation message and sending the synchronous operation message to a central node; updating a central database by the central node according to the synchronous operation message sent by the first node, generating a data synchronous mark, feeding back the data synchronous mark to the firstnode and sending the synchronous operation message and the data synchronous mark to the other nodes; and updating the local database of the other nodes by the other nodes according to the synchronousoperation message. By adopting the embodiment of the invention, the data synchronization of the distributed database is more reliable and more effective.

The invention discloses a device for carrying out data migration between data server clusters, and the data are target data relative to to-be-migrated business. The device comprises an initial data input module, a synchronous module and an updating module, wherein the initial data input module is used for inputting the target data which are memorized in a first data server cluster and are written in and before a first time point into a second data server cluster; the synchronous module is used for obtaining an operating log relative to the target data which are written in the first data server cluster after the first time point, wherein the operating log at least comprises the content of the target data which are written in the first data server cluster; and the updating module is used for updating the target data in the second data server cluster according to the operating log obtained by the synchronous module.

The disclosed embodiment discloses a real-time database synchronization method, device, an electronic device and a computer-readable storage medium. The method comprises the following steps: task configuration and rule configuration of the database synchronization are updated in real-time according to the configuration information of a user; based on the task configuration, the operation information of at least one source database in the database cluster is collected in real time, and the operation information is sent to the distributed message queue. Streaming the distributed message queue, obtaining the operation information in real time, and analyzing and filtering the operation information based on the rule configuration; the target database is updated synchronously with the data obtained by parsing and filtering. This scheme can achieve the synchronization of update data in second or millisecond between databases even when the data structure of the database is changed.

The invention relates to an interactive voice data response system and a realizing method thereof. The system comprises a calling server, a data server, a communication data publishing server, a subscriber mobile phone and a plurality of seat terminals. The method comprises the following steps: the subscriber mobile phone logs in the data server and opens a UDP (User Datagram Protocol) communication chain between the subscriber mobile phone and the data server; the subscriber mobile phone sends a calling request and establishes a voice channel with the calling server or the seat terminal under the assistance of the calling server; and a subscriber receives voice sent by the calling server or the seat terminal, and meanwhile, the mobile phone displays multimedia data which is synchronouslytransmitted by the data server through the UDP communication chain. The invention belongs to the technical field of network communication; the data transmission function can be added on the basis of a voice phone in the IVR (Interactive Voice Response) automatic voice and manual service process; and the subscriber mobile phone can synchronously present the voice and multimedia data information which comprises the forms of pictures, characters, video, and the like just by having the conversation and networking function.

The invention discloses an MAC address information synchronization method and a device in a stacking system. The MAC address information synchronization method and device in the stacking system are applied to member devices in the stacking system. A CPU judges whether source port information in a new MAC message is used for a local user service port when receiving the MAC message sent by a forwarding chip, generates a corresponding MAC address table item and configures the item to an FDB according to a source MAC address, a VLAN ID and source port information in the MAC message, generates an MAC address synchronization message and broadcasts the MAC address synchronization message to other member devices in the stacking system if the source port information in the new MAC message is used for the local user service port; the CPU generates and configures a corresponding MAC address table item to the FDB according to the source MAC address, the VLAN ID and the source port information in the MAC message if the source port information in the new MAC message is not used for the local user service port. By the MAC address information synchronization method, low CPU expenditure and high speed are achieved in the stacking system.

The invention discloses an updating method of configuring information and an updating system of the configuring information. The method includes the steps that a configuration management center receives a configuration modification request bill submitted by a node developing device, wherein a first configuration item to be updated is recorded in the configuration modification request bill; the configuration management center receives a configuration modification request bill submitted by a node testing device, wherein the node testing device records a second configuration item to be updated in the configuration modification request bill submitted by the node developing device so as to obtain the configuration modification request bill and the second configuration item is a configuration item adopted when the node testing device conducts current testing; the configuration management center responds to a request of a node releasing device to conduct updating to preset configuration information of the configuration management center according to the first configuration item and the second configuration item, wherein the updated configuration information is used for releasing application on line. The updating method and the updating system resolve the problem that synchronization cannot be achieved in real time and achieve synchronization of multiple pieces of environment configuration information.

In an orthogonal frequency division multiple access communication system, a base station transmits a quick paging signal simultaneously with a synchronization signal during the same transmission symbol time period. Even though these different signals are transmitted during the same transmission symbol time period, a periodicity of the synchronization signal is maintained to facilitate rapid and cost-effective synchronization by subscriber stations with the base station. The quick paging signal alerts subscriber stations about whether to stay awake for a subsequent page or to go into a power saving sleep mode.

The invention relates to a communication platform and method suitable for a private cloud environment. The communication platform at least comprise two computing nodes and a server node, wherein the computing nodes and the server node are connected with each other through a network to form a distributed cluster system; each computing node represents a host in a system; the host comprises a plurality of application processes; a communication agent is mounted on each node; all application processes in the nodes are connected with a local communication agent through a standard API (Application Program Interface) provided by a communication platform, so that point-to-point communication among application processes is realized; and a message server application process is mounted on the server node, so that one-to-many communication among the application processes is realized. The invention has the beneficial effect that: the defects that the conventional private cloud system communication mode is only provided with one synchronous communication mode, a communication object is only limited to a single node and the conventional client / server mode is adopted in a communication domain are overcome.

The utility model discloses a method with a device for synchronous lyrics in the songs playing process, which is characterized in that: a lyrics file is analyzed to acquire time information and text contents of the lyrics which are correspondently stored in a lyrics list; in the songs playing process, the current playing time is attained, and the correspondence relationship between the passed time information of the lyrics chain list and the lyrics text is determined, then the lyrics text matched with the current time is ascertained; the ascertained lyrics text is displayed. The utility model has the advantages of not depending on the support of high-end decoder chips, and realizing synchronous lyrics in ordinary digital terminal during the songs playing process.