1465results 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 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 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 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 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 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.

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 main and auxiliary database synchronization method and device for data synchronization between a main database and an auxiliary database. The method includes a transaction distributing step, namely distributing each transaction or transaction identifier read from the main database to writing queues; a transaction writing step, namely writing transactions or transactions with corresponding identifiers, in each writing thread corresponding to each writing thread through multiple writing thread parallel. According to the method, multiple writing threads are adopted to perform writing operations parallelly and simultaneously, delay is reduced, main and auxiliary database synchronization can be realized timely, and synchronization efficiency is improved.