CN101115243B - Method and device for cluster terminal to synchronize data of system - Google Patents
Method and device for cluster terminal to synchronize data of system Download PDFInfo
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- CN101115243B CN101115243B CN2007101546075A CN200710154607A CN101115243B CN 101115243 B CN101115243 B CN 101115243B CN 2007101546075 A CN2007101546075 A CN 2007101546075A CN 200710154607 A CN200710154607 A CN 200710154607A CN 101115243 B CN101115243 B CN 101115243B
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Abstract
The invention provides a cluster terminal direction system synchrodata method. The method comprises following steps: step S302, the terminal receives successful register message (the message refers to that the CDMA is registered successfully or the GOTAPTT is registered successfully); step S304, the terminal detects whether terminal data is synchronous according to whether the terminal data are changed or synchronous before; and step S306, a synchronization of the terminal data is carried out when the terminal is detected that the terminal data need synchronization. By adopting the technical proposal of the invention, information saved by the terminal can be consistent with that saved by the system.
Description
Technical field
The present invention relates to the communications field, more specifically, relate to a kind of method and device of cluster terminal to synchronize data of system.
Background technology
Digital aggregated communication system is an important branch of mobile communcations system, is a kind of mobile communcations system that is applied to group's dispatch control communication.It is mainly used in professional field of mobile communication, for example, and every profession and trades such as government department, army, police service, railway, water conservancy, civil aviaton and steel logistics.
Fig. 1 is the schematic diagram that the digital aggregated communication system structure is shown.In this article, system side or system are meant base station or core net, may have different system side in different zones.As shown in Figure 1, the digital aggregated communication system network mainly comprises colony terminal 1, base station sub-system 2 and scheduler subsystem 3.
Colony terminal 1 is the terminal equipment that possesses the group service function, is the mutual capital equipment of cluster network and user (hereafter is a terminal).Terminal in the digital clustering communication system is after start, switching heterogeneous networks zone or interval certain hour length, the capital is carried out the cluster registration to system and (is meant that terminal is according to code division multiple access (Code Division MultipleAccess, abbreviating CDMA as) air interface standard carries out log-on operation or according to based on open cluster architecture PTT (global open trunking architecture push to talk, abbreviate GOTA PTT as) listing standard carries out log-on operation), if validated user, system is registered as merit with prompting meeting cluster.
Base station sub-system 2 is the base station systems that possess the group service function, is used to finish the access function of terminal, is the capital equipment of connecting terminal and scheduler subsystem.
Scheduler subsystem 3 is used to finish control and the management function to termination set group business in the service area, and it is the control centre of group service.
For convenience, base station sub-system and scheduler subsystem are referred to as system.
Fig. 2 is the schematic diagram that colony terminal scanning group function is shown.Preserved all groups that it belonged in the terminal, as organize 1, group 2, group 3 etc., when terminal scanning should group, terminal just can enter the calling of this group, if terminal does not scan this group, then terminal will not enter the calling of this group.When the terminal use need be in different time or place, need the different group of change scanning.In order to allow system know the group that is scanned with the control terminal user, terminal must send to system by air interface signaling with these information of the group of scanning.
Need terminal to preserve consistent information simultaneously, so that system carries out consistent judgement and function with terminal with system.When terminal needs often to revise these information, general technology be terminal after modification information to system synchronous information (be meant terminal upload information) to system, yet, owing to be wireless telecommunications, so may exist various abnormal conditions to cause the inconsistent of the data message of terminal and system.These comprise unusually: switch to terminal information and that district system behind the network of zones of different information inconsistency, then illustrate successfully that because of wireless or certain reason cause receiving synchronously registering network and terminal all rationally exist etc.This just causes traditional method that terminal and system are carried out synchronously.
Terminal is in synchronize data of system, data that might reason causes terminal to be uploaded because reverse interference or place network environment be relatively poor etc. are aloft lost, in addition, the terminal use might switch under the new group system, and this also needs to synchronize data of system.
Terminal in start just, switch new geographical position, behind the geographical position after moving a segment distance, certain interval of time or system force to obtain under the situation such as end message, if end message and system information are inconsistent, will cause function that system will carry out and function and the desired function of system information that the desired function of end message is inconsistent or terminal will be carried out inconsistent.
Therefore, need a kind of consistent method of information that can keep terminal and system to preserve.
Summary of the invention
The invention provides the method and apparatus of cluster terminal to synchronize data of system.
According to an aspect of the present invention, a kind of method of cluster terminal to synchronize data of system is provided, this method may further comprise the steps: step S302, and terminal receives registration success message (this message is meant CDMA registration success or the successful message of GOTA PTT registration); Step S304, whether terminal changes according to terminal data or whether successfully comes the sense terminals data before synchronously whether needs are synchronous; And step S306, detecting terminal data in terminal needs under the synchronous situation, carries out the synchronous of terminal data.
Wherein, to change be that group to current scanning changes to terminal data.
In addition, step S306 also comprises following processing: steps A 1, and terminal sends terminal data to described system; And steps A 2, if terminal receives described system indicating terminal successful signaling synchronously, then terminal is provided with the not variation and the current simultaneous operation success of group of current scanning, otherwise finishes current simultaneous operation.
In addition, when detecting terminal data, terminal in step S304 do not need when synchronous, comprise following processing: step B, terminal detects the data message check code of registering in the success message, and (the information checking sign indicating number is meant that the data message with terminal or system carries out 1 short data that verification calculates, for example, 8,16,32 etc., generally speaking, the check code of identical primary data information (pdi) is identical, the check code difference of different primary data information (pdi)s) whether identical with the local data message check code that calculates of terminal, if identical then do not need synchronously, if difference then to system synchronization.
Wherein, it is different and after needing synchronously, also comprise following processing: terminal sends terminal data to system to detect the local data message check code that calculates of data message check code and terminal in the described registration success message in terminal; And if terminal receives system's indicating terminal successful signaling synchronously, then terminal group that current scanning is set do not change and current simultaneous operation successfully, otherwise finish current simultaneous operation.
According to a further aspect in the invention, provide a kind of device of cluster terminal to synchronize data of system, this device comprises: receiver module is used to receive the registration success message and sends to detect whether need synchronous instruction to detection module; Whether detection module is used for changing or whether successfully coming the sense terminals data before synchronously whether needs are synchronous according to terminal data, then sends synchronic command to synchronization module synchronously if need; And synchronization module, be used for terminal detect carry out under the synchronous situation of terminal data needs terminal data synchronously.
Wherein, the terminal data group that is meant current scanning that changes changes.
Synchronization module also comprises: sending module is used for sending terminal data to described system; And module is set, and being used for receiving under the situation of the synchronously successful signaling of system's indicating terminal in terminal, the group that current scanning is set does not change and current simultaneous operation success, otherwise finishes current simultaneous operation.
In addition, this device also comprises the check code comparison module, being used for detecting terminal data at detection module does not need under the synchronous situation, whether the data message check code that detects in the registration success message is identical with the local data message check code that calculates of terminal, if inequality then to synchronization module transmission synchronic command.
In technical scheme of the present invention, utilize the registration of terminal to illustrate that successfully terminal and current network all are legitimate available, registration with terminal is successful as the trigger condition of carrying out synchronizing information simultaneously, advantageously provided and carried out the chance of synchronous necessity, thereby guaranteed the consistent of information that terminal and system preserve.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram that the digital aggregated communication system structure is shown;
Fig. 2 is the schematic diagram that colony terminal scanning group function is shown;
Fig. 3 is the flow chart that illustrates according to the method for cluster terminal to synchronize data of system of the present invention;
Fig. 4 is the block diagram that illustrates according to the device of cluster terminal to synchronize data of system of the present invention;
Fig. 5 is the flow chart that illustrates according to the terminal to synchronize data of system of first embodiment of the invention; And
Fig. 6 is the flow chart that illustrates according to the terminal to synchronize data of system of second embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 3 is the flow chart that illustrates according to the method for cluster terminal to synchronize data of system of the present invention.Wherein, in the method for the invention, successful as the trigger condition of carrying out synchronizing information with the registration of terminal.
With reference to Fig. 3, this method may further comprise the steps: step S302, and terminal receives the registration success message; Step S304, whether terminal changes according to terminal data or whether successfully comes the sense terminals data before synchronously whether needs are synchronous; And step S306, detecting terminal data in terminal needs to carry out under the synchronous situation the synchronous of terminal data.
Wherein, the terminal data group that is meant current scanning that changes changes.
In addition, step S306 also comprises following processing: steps A 1, and terminal sends terminal data to described system; And steps A 2, if terminal receives described system indicating terminal successful signaling synchronously, then terminal is provided with the not variation and the current simultaneous operation success of group of current scanning, otherwise finishes current simultaneous operation.This set can be undertaken by flag bit, and two flag bits are set in terminal, and promptly scanning group state flag bit and synchronous successful flag bit when scanning group changes, are made as 1 with the scanning group state flag bit, otherwise are 0; , will successfully be masked as synchronously and be made as 1, otherwise be 0 when successful when synchronous.In addition, when detecting terminal data, terminal in step S304 do not need when synchronous, comprise following processing: step B, whether the data message check code that terminal detects in the registration success message is identical with the local data message check code that calculates of terminal, if identical then do not need synchronously, if difference then to system synchronization.
The data message verification is to calculate according to the data of scanning group, and different scanning group data can produce different data message verifications, so different data message verifications just means that also the data of the scanning group that system and terminal are preserved are different.For example, the user shuts down after data are revised in the place that does not have signal, and then start, the inconsistent situation of data that terminal and system will occur, after perhaps there is the ability of mandatory modification data in system, equally also this situation can occur, not need to system synchronization simultaneously so work as the information checking sign indicating number.
Wherein, it is different and after needing synchronously, also comprise following processing: terminal sends terminal data to system to detect the local data message check code that calculates of data message check code and terminal in the described registration success message in terminal; And if terminal receives system's indicating terminal successful signaling synchronously, then terminal group that current scanning is set do not change and current simultaneous operation successfully, otherwise finish current simultaneous operation.
Fig. 4 is the block diagram that illustrates according to the device of cluster terminal to synchronize data of system of the present invention.
With reference to Fig. 4, the inventive system comprises: receiver module 402 is used to receive the registration success message and sends to detect whether need synchronous instruction to detection module 404; Whether detection module 404 is used for changing or whether successfully coming the sense terminals data before synchronously whether needs are synchronous according to terminal data; And synchronization module 406, be used for detect carry out under the synchronous situation of terminal data needs terminal data synchronously.
Wherein, the terminal data group that is meant current scanning that changes changes.
In addition, device of the present invention can also comprise the check code comparison module, being used for detecting terminal data at detection module does not need under the synchronous situation, whether the data message check code that detects in the registration success message is identical with the local data message check code that calculates of terminal, if inequality then to synchronization module transmission synchronic command.
Describe the present invention in detail below in conjunction with instantiation.
First embodiment
Fig. 5 is the flow chart that illustrates according to the terminal to synchronize data of system of first embodiment of the invention.
As shown in Figure 5, the method according to the terminal to synchronize data of system of first embodiment of the invention comprises the steps:
Steps A, terminal are received the message indication that registration is successful on Forward Paging Channel;
Step B, if terminal detects that the group of current scanning changes or not success of simultaneous operation before, execution in step C then, otherwise execution in step F;
Step C, terminal sends the signaling of the data message of terminal to system on Reverse Access Channel;
Step D, whether terminal receives system's indicating terminal successful signaling synchronously, if execution in step E then, otherwise execution in step F;
The group that step e, terminal are provided with current scanning does not change and current simultaneous operation success; And
Step F, end operation.
Second embodiment
Fig. 6 is the flow chart that illustrates according to the terminal to synchronize data of system of second embodiment of the invention.
As shown in Figure 6, the method according to the terminal to synchronize data of system of second embodiment of the invention comprises the steps:
Steps A, terminal are received the message indication that registration is successful on Forward Paging Channel;
Step B, if terminal detects that the group of current scanning changes or not success of simultaneous operation before, execution in step E then, otherwise execution in step C;
Step C, terminal detects in the registration success message whether carry the check code of system information, if carry then execution in step D, if do not carry then execution in step H;
Step D, terminal is calculated the check code of local data message, and whether detect the information checking sign indicating number that registration message provides identical with the data message check code of terminal this locality, if difference then execution in step E, if identical then execution in step H;
Step e, terminal send the signaling of the data message of terminal to system on Reverse Access Channel;
Whether step F, terminal receive system's indicating terminal successful signaling synchronously, if execution in step G then, otherwise execution in step H;
Step G, the group that terminal is provided with current scanning does not change and current simultaneous operation success; And
Step H, end operation.
By technical scheme of the present invention, utilize the registration of terminal to illustrate that successfully terminal and current network all are legitimate available, registration with terminal is successful as the trigger condition of carrying out synchronizing information simultaneously, advantageously provided and carried out the chance of synchronous necessity, thereby guaranteed the consistent of information that terminal and system preserve.
Be the preferred embodiments of the present invention only below, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the method for a cluster terminal to synchronize data of system is characterized in that, said method comprising the steps of:
Step S302, terminal receives the registration success message;
Step S304, whether described terminal changes according to terminal data or whether successfully detects described terminal data before synchronously whether needs are synchronous; And
Step S306, detecting described terminal data in described terminal needs under the synchronous situation, carries out the synchronous of described terminal data.
2. method according to claim 1 is characterized in that, the described terminal data group that is meant current scanning that changes changes.
3. method according to claim 2 is characterized in that, described step S306 also comprises following processing:
Steps A 1, described terminal sends described terminal data to described system; And
Steps A 2, if described terminal receives described system indicating terminal successful signaling synchronously, the group that then described terminal is provided with current scanning does not change and current simultaneous operation success, otherwise finishes current simultaneous operation.
4. method according to claim 2 is characterized in that, does not need to comprise following processing when synchronous when detect described terminal data in terminal described in the described step S304:
Step B, whether the data message check code that described terminal detects in the described registration success message is identical with the local data message check code that calculates of described terminal, if identical then do not need synchronously, if difference then to described system synchronization.
5. method according to claim 4 is characterized in that, it is different with the local data message check code that calculates of described terminal and after needing synchronously, also comprise following processing to detect data message check code in the described registration success message in described terminal:
Described terminal sends described terminal data to described system; And
If described terminal receives described system indicating terminal successful signaling synchronously, the group that then described terminal is provided with current scanning does not change and current simultaneous operation success, otherwise finishes current simultaneous operation.
6. the device of a cluster terminal to synchronize data of system is characterized in that, described device comprises:
Receiver module is used to receive the registration success message and sends to detect whether need synchronous instruction to detection module;
Whether described detection module is used for changing or whether successfully detecting described terminal data before synchronously whether needs are synchronous according to terminal data, then sends synchronic command to synchronization module synchronously if need; And
Synchronization module, be used for described terminal detect carry out under the synchronous situation of described terminal data needs described terminal data synchronously.
7. device according to claim 6 is characterized in that, the described terminal data group that is meant current scanning that changes changes.
8. device according to claim 7 is characterized in that, described synchronization module also comprises:
Sending module is used for sending described terminal data to described system; And
Module is set, is used for receiving under the situation of the synchronously successful signaling of described system indicating terminal in described terminal, the group that current scanning is set does not change and current simultaneous operation success, otherwise finishes current simultaneous operation.
9. device according to claim 7, it is characterized in that, described device also comprises the check code comparison module, being used for detecting described terminal data at described detection module does not need under the synchronous situation, whether the data message check code in the more described registration success message is identical with the local data message check code that calculates of described terminal, if inequality then send synchronic command to described synchronization module.
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| CN2007101546075A CN101115243B (en) | 2007-09-12 | 2007-09-12 | Method and device for cluster terminal to synchronize data of system |
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| CN101242589B (en) * | 2008-03-18 | 2012-05-23 | 中国电信集团公司山东省电信分公司 | Dedicated dispatching table system and its management method on digital cluster network sharing platform |
| CN101980553A (en) * | 2010-10-20 | 2011-02-23 | 中兴通讯股份有限公司 | Method and system for updating information in digital trunking system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1917671A (en) * | 2005-08-16 | 2007-02-21 | 中兴通讯股份有限公司 | Method for keeping information synchronizntion of group between terminal side and network side in group communication system |
| CN1984384A (en) * | 2006-03-31 | 2007-06-20 | 华为技术有限公司 | Method for realizing group telecommunication |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1917671A (en) * | 2005-08-16 | 2007-02-21 | 中兴通讯股份有限公司 | Method for keeping information synchronizntion of group between terminal side and network side in group communication system |
| CN1984384A (en) * | 2006-03-31 | 2007-06-20 | 华为技术有限公司 | Method for realizing group telecommunication |
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Effective date of registration: 20210303 Address after: 801-6, 8 / F, building 52, 2 Jingyuan North Street, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee after: CALTTA TECHNOLOGIES Co.,Ltd. Address before: 518057 Zhongxing building, science and technology south road, Nanshan District hi tech Industrial Park, Guangdong, Shenzhen Patentee before: ZTE Corp. |
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