CN1271812C - Wireless facility synchronizing system and method - Google Patents
Wireless facility synchronizing system and method Download PDFInfo
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- CN1271812C CN1271812C CN 02134496 CN02134496A CN1271812C CN 1271812 C CN1271812 C CN 1271812C CN 02134496 CN02134496 CN 02134496 CN 02134496 A CN02134496 A CN 02134496A CN 1271812 C CN1271812 C CN 1271812C
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Abstract
The present invention relates to a wireless facility synchronizing system and a method. Data of a mobile terminal local data storage area is synchronous with data on a remote server. The method comprises the following steps that: (a) types of data requiring synchronization is distinguished by a data type distinguishing module, if the data is in a read only type, a quick synchronous mode is adopted, and otherwise, a common synchronous mode is adopted; (b) a synchronous request message is generated by a mobile terminal, and is sent to a server; (c) a synchronous recovery message is generated by the server; (d) a local data storage area is updated by the mobile terminal according to the synchronous recovery message. The quick synchronous mode or the common synchronous mode is adopted by the present invention according to different types of data to be synchronized, and thus, the communication quantity of synchronous operation is minimized.
Description
[technical field]
The present invention relates to a kind of wireless facility synchronizing system and method, particularly a kind of difference according to synchronization data types adopts the system and method for the different methods of synchronization.
[background technology]
Along with the carry-on communication of individual, enterprise network construction and link up running all towards more information-based and more useful direction change, a lot of companies have begun to utilize various mobile device to assist to conduct business activities.The various mobile computers that comprise personal digital assistant have small and exquisite portablely, and the data characteristic that can upgrade in time, and can connect by wire or wirelessly to the internal network and the server of company is carried out the access of data.The business people can pass through mobile computer inquiring contact information, conference journey or transmission Email whenever and wherever possible, thereby grasps any up-to-date information in the fastest mode.In commercial activity, use mobile computer, can provide valuable information and more directly perceived, the ability of as seen faster for client, employee and supplier, thereby for enterprise provides new business opportunity, be worth for whole client's supply chain activity increases, and can improve company performance and customer service quality effectively.For example, professional or marketing professional can see through the relevant information that mobile computer in time obtains product and client, adjusts sales tactics neatly, thereby raises the efficiency, and impels enterprise to reach higher business revenue.At present, Mobile business has been applied to industries such as finance, logistics, storage and retail.
Certainly, new wireless technology has the problem of himself, for example, is subject to the size of self, a lot of mobile computers only provide very little zone to be used to operate and very little memory space is provided and internal memory to data and application software.These problems mean that it is very difficult importing, and the data of storing are less on mobile computer on mobile computer, and application software of operation is all very little on it.In addition, also exist some, and be difficult to guarantee data consistency, the accuracy on the mobile computer and whether be relevant problems such as latest data such as maintenance cost height to wireless connections.
A kind of method that addresses these problems is in another second computer (as a server) database to be set, and allows mobile computer periodically connect this second computer to carry out data sync.The patent No. of bulletin is US6 as December 11 calendar year 2001,330,618 United States Patent (USP), " portable computer and desktop PC synchronizer and method " (Method and Apparatus forSynchronizing A Portable Computer System with A Desktop ComputerSystem).This patent has disclosed a kind of mobile computer and the synchronous method of personal computer, by running on the synchronization program on mobile computer and the personal computer, set up a communication via network or communication cable and connect, thus the data sync of realization mobile computer and personal computer.Because above-mentioned patent is disclosed to be to be undertaken synchronously by network or communication cable, this just defines the spatial dimension of synchronization job.And it adopts the single method of synchronization, will increase the traffic of synchronization job, repeats to transmit some unnecessary information between mobile computer and personal computer.
[summary of the invention]
The invention provides a mobile device synchro system and a method, its by wireless communication mode with the data in a portable terminal local datastore district and the data sync of a remote server data memory block, and can adopt the different methods of synchronization according to the difference of data type.
This system comprises a portable terminal and a server.Wherein, this portable terminal generates different synchronization request messages according to the difference of need synchronization data types, and this synchronization request information is sent to this server, this portable terminal comprises a data type discrimination module, be used to differentiate the type that needs synchrodata, and according to the different different data sync modes of data type decision; One filter generation module is used for asking to generate the corresponding data filter information according to the user; One local datastore district is used to store the data filter information that commercial matters information and data filter generation module generate; One data transmission module, the data filter information that is used to send generation be to server, and receive the synchronous restore message of passing back from server.Server is used to respond synchronization request message, and the corresponding synchronous restore message is sent to portable terminal, this server comprises a territory administration module, this territory administration module is used to carry out the data filter information that portable terminal transmits, from the object territory, select qualified object, generate a synchronous restore message, the time of implementation according to data filter information generates time sign simultaneously, returns portable terminal with synchronous restore message.
This invention also provides a mobile device method for synchronous.The method includes the steps of: (a) the data filter generation module of portable terminal according to the message of user input in the corresponding data filter information of the message of described local datastore area searching and this input; (b) as if no corresponding data filter information, then this data filter generation module generates a data filter information according to the message of user's input; (c) the data type discrimination module of portable terminal is differentiated the type that needs synchrodata according to this data filter information, if needing the type of synchrodata is read-only type, then adopting the quick method of synchronization, is read-write type if need the type of synchrodata, then adopts the common method of synchronization; (d) portable terminal generates different synchronization request messages according to the difference of data type, and this synchronization request message is sent to server; (e) server generates a synchronous restore message according to synchronization request message; (f) server sends synchronous restore message to portable terminal; (g) portable terminal is according to the local datastore of restore message renewal synchronously district.
By the present invention, can make portable terminal and enterprise information system or personal computer carry out the data sync operation easily, and the traffic of simultaneous operation is minimized, thereby save the communication cost.
[description of drawings]
Fig. 1 is the hardware structure diagram of wireless facility synchronizing system of the present invention and method.
Fig. 2 is the calcspar of the wireless applications example structure of wireless facility synchronizing system of the present invention and method.
Fig. 3 is the portable terminal assembly calcspar of wireless facility synchronizing system of the present invention and method.
Fig. 4 is the application server component calcspar of wireless facility synchronizing system of the present invention and method.
Fig. 5 is the transmission synchronization request message flow chart of wireless facility synchronizing system of the present invention and method.
Fig. 6 is the quick method of synchronization flow chart of wireless facility synchronizing system of the present invention and method.
Fig. 7 is the common method of synchronization flow chart of wireless facility synchronizing system of the present invention and method.
[embodiment]
As shown in Figure 1, be the hardware structure diagram of wireless facility synchronizing system of the present invention and method.Enterprise information system generally adopts three layers of (or multilayer) structure at present: a central database server, a series of apps server, and the front station of disperseing.Front station of the present invention mainly adopts portable terminal 101, this portable terminal 101 specifically can be personal digital assistant (Personal Digital Assistant, PDA), palmtop computer, laptop computer, Espresso, intelligent mobile phone and notebook etc.Application server 103 has comprised core and business logic mutability (planning, How It Works, management mode etc.) in the system, and its function is to receive input, handles and return results.Database server 107 is in charge of the read-write of database and maintenance, can carry out the renewal and the retrieval of mass data rapidly.
Communications tower 105 communicates with portable terminal 101 or application server 103 by communication channel 115 or communication channel 113, transmits the synchronization request message of portable terminal 101 and the synchronous restore message of application server 103.Communications tower 105 links to each other with application server 103 by special-purpose or public communication channel 113.Certainly, for the people who knows this technology, communication channel 113 can be a wire communication, also can be wireless telecommunications.(Local Area Network, LAN) 117 link to each other with database server 107 by local area network (LAN) for application server 103.Local area network (LAN) 117 links to each other with computer equipment 109 again, and it can provide the channel of access internet 111 for application server 103 and computer equipment 109.Portable terminal 101 also can visit the Internet 111 via local area network (LAN) 117, application server 103, communication channel 113 and communication channel 115.
Above-mentioned information system only is the present invention's one example, by some other system that this system derived, or even dissimilar systems, also can adopt method of the present invention.For the people who knows this technology, disclosed method can be easily launches to have certain advantage in any communication system or other type exist the system of frequency range and/or device memory problem.Though the non-system that only limits to adopt the wireless telecommunications link of the present invention is the easiest the embodying of this field convenience of the present invention.
Fig. 2 is the calcspar of the wireless applications example structure of wireless facility synchronizing system of the present invention and method.This wireless application structure is moved on portable terminal 101 and application server 103, and has adopted disclosed technology.Wireless application structure 201 includes a wireless data reproducer 207 and and moves interchanger 209, to provide the wireless applications service to portable terminal 101.This wireless application structure 201 is based on the standard construction, and can easily become device operating system or independent database.
Mobile interchanger 209 provides the path of a real-time access application server 103 for portable terminal 101.In the present embodiment, mobile interchanger 209 based on extensible markup language (Extensible Markup Language, XML) and Hypertext Transport Protocol (HypertextTransfer Protocol, HTTP).XML makes the designer can define, transmit, verify and explain between the application program and the data between the tissue; HTTP is the basic agreement that the Internet uses, and it has defined message and has adopted which kind of format, how to transmit, and what action the webserver or browser should adopt to respond a particular demands.XML and HTTP have all used a kind of popular mode-remote procedure call (Remote Procedure Call, RPC), with by communication between implementation process between the single program of network in the various computing machine (Inter-processCommunication, IPC).Certainly, RPC and IPC also can be performed on independent computer equipment.Disclosed wireless application structure 201 provides simple and direct effective environmental, to develop the master-slave mode application program of moving in wireless topology.
The client of wireless application structure 201 provides the following function that is used for the relationship type client applications:
(1) generates remote procedure call content (method name and parameter);
(2) form the XML message;
(3) utilize http protocol that this XML message is sent to server; And
(4) receive and explain the corresponding response that comes from server.
The server end of wireless application structure 201 provides the following relationship type client applications function that is used for:
(1) receives and explains a client-requested message, the request message of especially utilizing above-mentioned client to produce, form and transmit;
(2) the specific RPC that is asked according to the client-requested message, the program that search one is fit to;
(3) call this suitable procedure;
(4) this suitable response is sent back to client.
RPC among the present invention supports following data type in the wireless environment: integer (4); Boolean function; Character string; Date; Double precision; Base-64; Array; Structure and Hash table (hash table).
The data in the wireless device are handled and managed to wireless data reproducer 207, it makes the user can select the needed specific message of user in wireless device, and only duplicate selected message, thereby frequency range in the saving transmission medium and the memory resource in the portable terminal 101.Wireless data reproducer 207 with system database as client-side data cache, and the mobile terminal data filter information is provided for every user, or claim customized script (customizable scripts), select to be stored in the message of mobile computer in order to the explanation specific user.Data filter can be defined on this user's portable terminal by the specific user, perhaps generate a public data filter (or claim standard filter) menu at server end by the Systems Programmer, the user does simple selection according to its specific environment and responsibility from this menu and gets final product then.Standard filter is modularization simply also, and the user just can select and customize like this.Data filter and standard filter can be very simple, just as the equation coupling, also can be very complicated, and with regard to as having used the taking advantage of the calculation table of multiplication rule.
Wireless data reproducer 207 and mobile interchanger 209 provide a platform, vertical application can construction thereon.In the present embodiment, vertical application includes mobile e-business application program 210, mobile hospital application program 220, mobile logistical applications program 230 and mobile financial applications 240.Above-mentioned vertical application 210,220,230 and 240 all only is as an example.In fact, the disclosed method of the present invention can be used for realizing Any Application, and these application programs can be visited the center applications program or database server 107 obtains to help by movable type.Application program 210,220,230 and 240 all is one of application component 203 of native system.Any one application program 210,220,230 and 240 all includes application product 205.
Fig. 3 is the portable terminal 101 assembly calcspars of wireless facility synchronizing system of the present invention and method.Portable terminal 101 comprises that one is provided with module 301, one data filter generation module 303, one data type discrimination modules, 305, one data transmission modules 307 and local datastore districts 309 synchronously.Module 301 is set synchronously, and (GraphicalUser Interface, GUI), the user can need data in synchronization by this graphic user interface input for the user provides a graphic user interface.Data filter generation module 303 generates corresponding data filter information according to the synchronization request condition of user's input, and this data filter information can be carried out in application server 103, to generate the corresponding synchronous restore message.Data filter information is stored in the local datastore district 309 after generating, and uses for send synchronization request message next time.
Can revise according to portable terminal 101, the data type in the local datastore district 309 can be divided into read-only type and can revise (read-write) type.For reducing to carry out the traffic of simultaneous operation, improve synchronous efficiency, the present invention is divided into two classes according to the difference of data type with the method for synchronization that adopts: the common method of synchronization and the quick method of synchronization.If when treating that synchrodata is read-only type, then adopt fast synchronously; If treat that synchrodata is in the time of can revising type, then to adopt the common method of synchronization.Concrete grammar about these two kinds of methods of synchronization will be explained below.Data type discrimination module 305 is used to differentiate the type for the treatment of synchrodata, adopts which kind of method of synchronization with decision.
Data transmission module 307 sends synchronization request message by communications tower 105 to application server 103, and the synchronous restore message that application server 103 generates also is sent to data transmission module 307 by communications tower 105.
Fig. 4 is the application server 103 assembly calcspars of wireless facility synchronizing system of the present invention and method.The message of communication management module 401 control turnover application servers 103.Communication management module 401 makes between application server 103 and the portable terminal 101 and keeps based on transmission control protocol (Transfer Control Protocol, connection TCP).At application server 103 ends, the streamed remote procedure call of character string at communication management module 401 mobile terminal receives 101 places, and resolve this remote procedure call character crossfire, and convert character crossfire parameter to data structure, call local program then with switched data parameters.Be stored in the data structure output parameter by the result that remote procedure call generated.
What be connected with communication management module 401 is a copy management module 403 and a caching management module 407.Bi-directional data between copy management module 403 Control Server ends and the client is synchronous, as the data sync between portable terminal 101 and the application server 103.In addition, copy management module 403 provides end-to-end transmission transaction control, and this transmission transaction control can detect and solve the data collision between the different clients.
What link together with copy management module 403 is territory administration module 405.Data of the present invention are carried out layout to reduce storage, collection and the distribution degree of dependence to particular server program (as data base management system and other system that is adopted) by the technology territory.Particular technical field includes the definition of special object, comprises the individual data assembly that constitutes object, or " attribute ".Every attribute all has data type and one or more value.For example, one " account " object can comprise the attribute relevant with bank account, such as owner's name and remaining sum etc.In a server, an object also can be the logical expressions of related data.Each object all has unique identifier, or unique key of corresponding object.When a special object was updated, all data relevant with this object also can be updated.The generation of concrete object then is the data that depend in the database server 107.Application program such as mobile e-business application program 210, mobile hospital application program 220, mobile logistical applications program 230 and mobile financial applications 240 (shown in Figure 2) all has territory corresponding with it set.
Conflict between the data can solve based on following four class methods.These four class methods are " last institute is write ", " based on time-tagging ", " based on value " and " based on time-tagging and value ", and details are as follows:
(1) in " last institute is write " contention resolution, writes the value that value last in the database can become object.These class methods are applicable to the situation that those extremely can not take place, and promptly many people wish to upgrade same piece of data.This can produce a problem, if that previous modification is to carry out under off-line state, and up to after once revise and just be replicated after carrying out, once modification after then this previous modification can cover.
(2) in the method for " based on value ", if " old value " and the currency of application server 103 of portable terminal 101 are complementary, application server 103 is just accepted modification.
(3) in " based on time-tagging " method, if the time-tagging of revising revises just being accepted greater than the current time sign of object in (being later than on the time) application server 103.The prerequisite of this method is the clock of hypothesis portable terminal 101 and the clock synchronization of server.
(4) in " based on time-tagging and value " contention resolution, the modification time that is provided by portable terminal 101 indicates the modification time sign that must be later than on the application server 103.In addition, the value of the conduct that is provided by portable terminal 101 " old value " must be complementary with the currency on the application server 103.It is nearest that these conditions can be guaranteed to revise, and when making modification, the user can know the current representation of object in the application server 103.If note the time-tagging in can both manipulating objects attribute layer (compared to object layer) of the database of portable terminal 101 and the database in the application server 103, then when upgrading operation and carry out, the multiple request that can generate is to upgrade a special object.
Be not employed the unaccredited modification that data that the copy management module 403 in the server 103 solved are done for those, can be stored for the system manager and check.The system manager can determine whether a specific modification should be accepted.
Fig. 5 is the transmission synchronization request message flow chart of wireless facility synchronizing system of the present invention and method.Module 301 is set at first, synchronously accepts the synchronization request message (step S501) of user's input.Data filter generation module 303 is inquired about corresponding with it data filter information (step S503) according to the synchronization request message of user's input in local datastore district 309, and judges whether there is corresponding data filter information (step S505) in the local datastore district 309.If do not exist, then data filter generation module 303 is imported a newly-built data filter information (step S507) according to the user, and stores local datastore district 309 into, otherwise direct execution in step S509.Data type discrimination module 305 is judged the type (step S509) for the treatment of synchrodata according to data filter information, if treat that the type of synchrodata is read-only type (portable terminal 101 is read-only), then adopts the quick method of synchronization, and this mode will be described in detail at Fig. 6; If treat that the type of synchrodata is read-write type (portable terminal 101 can be revised), then adopt the common method of synchronization, this mode will be described in detail at Fig. 7.
Fig. 6 is the quick method of synchronization flow chart of wireless facility synchronizing system of the present invention and method.In this method of synchronization, during the deletion of the object data of application server 103 ends, adopt following two step deletion modes: the first step, will treat that deleted data adds a delete flag; In second step, after all client data memory block corresponding data deletions, this object data is really deleted.
In the quick method of synchronization, at first, data transmission module 307 is sent to application server 103 (step S601) with data filter information by communications tower 105, and what be sent out simultaneously also comprises the time-tagging (step S603) that this data filter information was performed last time.If the data filter information that is sent out is that portable terminal 101 is newly-built, then only send this data filter information.The communication management module 401 of application server 103 is responsible for receiving the message that sends from communications tower 105, and message is sent to copy management module 403.The transmission that copy management module 403 is used to provide end-to-end is controlled, and is consistent to guarantee synchronization request message and synchronous restore message, and is responsible for finding and reporting the mistake of appearance in the transmission, the function of this module and realization and essence did not influence of the present invention.
Fig. 7 is the common method of synchronization flow chart of wireless facility synchronizing system of the present invention and method.At first, data transmission module 307 is sent to application server 103 (step S701) with data filter information by communications tower 105, the time-tagging (step S703) that also has this data filter information to be performed last time that is sent out simultaneously.In this method of synchronization, portable terminal 101 will be searched for local datastore district 309, search with the object of data sync filter coupling with and update time last time, and with the sign (ID) of match objects and form a tabulation update time, be sent to application server 103 (step S705) by communications tower 105.After receiving the tabulation of data filter information, time-tagging, object ID and update time, territory administration module 405 is carried out data filter information (step S707), and with the object ID comparison (step S709) with client of the object ID that searches.If exist with the object of the server end of data filter information matches, and the object ID that client sends does not exist in tabulation, determines that then this object is new object (step S711), and this object adds (step S715) in the synchronous restore message to.If all exist at server end and client, then compare the update time of server end object and the object update time that client sends, so that determine whether object upgrades (step S713) with the object of data filter information matches.If be later than the object update time that client sends the update time of server end object, represent that then this object upgraded, the relevant information of this object is added in the synchronous restore message; Whether the object of receiving the rope client deleted (step S717), if exist and do not exist in client at server end with the object of data filter information matches, then represent the deleted or change of this object at server end, execution in step S715 then, and generate a delete flag, the prompting client is the deletion of this object, otherwise the object of next and data filter information matches relatively.If all match objects are relatively finished (step S719), then the time with this data filter information and executing is added into synchronous restore message, and should send to portable terminal 101 (step S721) by synchronous restore message; Otherwise, return step S709.
Claims (10)
1. wireless facility synchronizing system, it carries out the data in a portable terminal local datastore district and the data in a server data stores district synchronously, and this system comprises a portable terminal and a server, it is characterized in that:
Described portable terminal generates different synchronization request messages according to the difference of need synchronization data types, and this synchronization request information is sent to this server, and this portable terminal comprises:
One data type discrimination module is used to differentiate the type that needs synchrodata, and according to the different different data sync modes of data type decision;
One data filter generation module generates corresponding data filter information according to user's synchronization request message;
One local datastore district is used to store the data filter information that commercial matters information and data filter generation module are generated;
One data transmission module is used to send data filter information to server, and receives the synchronous restore message of passing back from server;
Described server is used to respond synchronization request message, and the corresponding synchronous restore message is sent to portable terminal, and this server comprises:
One territory administration module, this territory administration module is used to carry out the data filter information that portable terminal transmits, from the object territory, select qualified object, generate a synchronous restore message, time according to the data filter information and executing generates time sign simultaneously, returns to portable terminal with synchronous restore message.
2. wireless facility synchronizing system as claimed in claim 1 is characterized in that, wherein needs the type of synchrodata can be divided into read-only data and can revise data.
3. wireless facility synchronizing system as claimed in claim 1 is characterized in that, the time-tagging that generates when wherein the corresponding time-tagging of data filter information in portable terminal local datastore district is carried out the data filter information by the territory administration module replaces.
4. wireless device method for synchronous, it carries out the data in the local datastore district of a portable terminal and the data of a remote server data memory block to it is characterized in that this method comprises the steps: synchronously
(a) the data filter generation module of portable terminal according to the message of user input in the corresponding data filter information of the message of described local datastore area searching and this input;
(b) as if no corresponding data filter information, then this data filter generation module generates a data filter information according to the message of user's input;
(c) the data type discrimination module of portable terminal is differentiated the type that needs synchrodata according to this data filter information, if needing the type of synchrodata is read-only type, then adopting the quick method of synchronization, is read-write type if need the type of synchrodata, then adopts the common method of synchronization;
(d) portable terminal generates and sends corresponding synchronous request message to server;
(e) server is complied with the synchronization request message that is received and is generated a synchronous restore message;
(f) server sends synchronous restore message to portable terminal;
(g) portable terminal upgrades the local datastore district according to the synchronous restore message that is received.
5. wireless device method for synchronous as claimed in claim 4 is characterized in that, wherein step (d) is if adopt the quick method of synchronization, and then synchronization request message comprises data filter information and this data filter information time corresponding sign.
6. wireless device method for synchronous as claimed in claim 4, it is characterized in that, wherein step (d) is if adopt the common method of synchronization, and then synchronization request message comprises data filter information, this data filter information time corresponding indicates and one indicate with the object of this data filter information matches and object is tabulated update time.
7. wireless device method for synchronous as claimed in claim 4 is characterized in that, wherein step (e) then comprises following steps if adopt the quick method of synchronization:
(e1) the territory administration module of server is carried out the data filter information, in the qualified object of described server data stores area searching, and generates a synchronous restore message;
(e2) this territory administration module comparison other update time and data filter information time corresponding indicate, if time-tagging is early than object update time, then this territory administration module is added into synchronous restore message with this object;
(e3) the data filter information and executing time is added into synchronous restore message.
8. wireless device method for synchronous as claimed in claim 4 is characterized in that, wherein step (e) then comprises following steps if adopt the common method of synchronization:
(e4) the territory administration module of server is carried out the data filter information, in the qualified object of server data stores area searching, and generates a synchronous restore message;
(e5) update time that corresponding objects indicates in the tabulation of the update time of this territory administration module comparison other and portable terminal transmission, if the update time that object indicates in the portable terminal, then this territory administration module was added into synchronous restore message with this object early than object update time corresponding in the server;
(e6) the data filter information and executing time is added into synchronous restore message.
9. wireless device method for synchronous, it carries out the data in a portable terminal local datastore district and the data of a remote server data memory block to it is characterized in that this method comprises the steps: synchronously
(a) portable terminal is differentiated the type that needs synchrodata;
(b) portable terminal generates different synchronization request messages according to the difference of data type, and this synchronization request message is sent to server;
(c) server generates a synchronous restore message according to synchronization request message;
(d) server sends synchronous restore message to portable terminal;
(e) portable terminal is according to the local datastore of restore message renewal synchronously district.
10. wireless device method for synchronous as claimed in claim 9 is characterized in that, is read-only type if need the type of synchrodata, then generates a quick synchronization request message, is read-write type if need the type of synchrodata, then generates a common synchronization request message.
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| CN 02134496 CN1271812C (en) | 2002-07-31 | 2002-07-31 | Wireless facility synchronizing system and method |
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| CN 02134496 CN1271812C (en) | 2002-07-31 | 2002-07-31 | Wireless facility synchronizing system and method |
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| CN1271812C true CN1271812C (en) | 2006-08-23 |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100664180B1 (en) * | 2004-11-22 | 2007-01-04 | 엘지전자 주식회사 | Remote data download apparatus and method for mobile communication device |
| CN101009516B (en) * | 2006-01-26 | 2011-05-04 | 华为技术有限公司 | A method, system and device for data synchronization |
| US9058372B2 (en) * | 2006-08-23 | 2015-06-16 | Kyocera Corporation | Database management in a wireless communication system |
| CN101155018B (en) * | 2006-09-28 | 2010-11-03 | 华为技术有限公司 | Data synchronization method and its implementing device and system |
| CN101132269B (en) * | 2007-07-26 | 2010-06-23 | 中兴通讯股份有限公司 | Data synchronization method and IPTV content distribution network system using the same |
| CN101610225B (en) * | 2008-06-20 | 2012-01-25 | 华为技术有限公司 | Method, system and device for synchronous processing |
| CN101515935B (en) * | 2009-03-17 | 2012-07-04 | 华为终端有限公司 | Data synchronization method and server |
| CN102254456A (en) * | 2010-05-21 | 2011-11-23 | 李晓 | Synchronizer and electronic reading system |
| CN102291453B (en) * | 2011-08-09 | 2017-04-26 | 中兴通讯股份有限公司 | Data synchronization method and device |
| WO2011157241A2 (en) * | 2011-08-12 | 2011-12-22 | 华为终端有限公司 | Data synchronization method, server, mobile terminal, and data synchronization system |
| CN104243533B (en) * | 2013-06-21 | 2018-03-30 | 英华达（上海）科技有限公司 | The method that data sharing and data syn-chronization are carried out in LAN |
| CN106302642A (en) * | 2016-07-27 | 2017-01-04 | 乐视控股（北京）有限公司 | A kind of method and apparatus of synchrodata |
| CN106713487B (en) * | 2017-01-16 | 2020-10-09 | 腾讯科技（深圳）有限公司 | Data synchronization method and device |
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