CN1571320A - A processing method for sharing cluster data link - Google Patents
A processing method for sharing cluster data link Download PDFInfo
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- CN1571320A CN1571320A CN 03139935 CN03139935A CN1571320A CN 1571320 A CN1571320 A CN 1571320A CN 03139935 CN03139935 CN 03139935 CN 03139935 A CN03139935 A CN 03139935A CN 1571320 A CN1571320 A CN 1571320A
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Abstract
The invention is a processing method for sharing cluster data link in the CDMA communication field, realizing network side service data link share in cluster system, reducing network flow and processing load of the system, and including the steps: 1. processing link establishing information as starting call; 2. processing forward service frame; 3. processing call link releasing information.
Description
Technical field:
The present invention relates to share in a kind of communication field the processing method of cluster data link.Particularly in the processing method of the shared service data link in CDMA (Code Division Multiple Access, code division multiple access) Digital Clustering field.
Background technology:
The honeycomb trunked communication system combines cellular communication system and specific schedule communication system, has both expanded the scope of business of cellular communication system, makes trunked communication system break away from the specific-dispatching communication system in function and regional limitation again.
Trunking communication is a kind of semiduplex communication modes, adopts the mode of PoC (Push to Talk) to carry out communication, and basic service comprises the group calling and the point-to-point individual call of one-to-many.Traditional trunking communication all is the mode that adopts time division multiple access, exists frequency resource and utilizes lowly, and therefore the defective that can't seamlessly transit to third generation communication need realize trunking communication on CDMA technology.
An important service function of group system is the group calling function, this is a kind of talking mode of one-to-many, whenever allow in the group people to speak, but other people can hear, owing to be that many people hear speech simultaneously, thereby on forward link (network is to terminal), exist sudden, if simple superposition group system on the basis of traditional C DMA cellular communication system, just give in the group each user distribute one fully independently forward traffic channel can produce some defectives, destroy the randomness of speech, concentrated sudden the making that group system has may need to set up a large amount of Traffic Channels in the synchronization sub-district, it is very fast to make that forward power rises, cause the forward direction overload, channel congestion, regular traffic interrupts.Thereby need to realize that Traffic Channel is shared, but, need the network data unanimity, thereby need the network side data link also to realize sharing in order to realize sharing of air traffic channel.
Simultaneously, because the one-to-many of group service,, thereby cause problem such as network congestion if the sharing of unreal existing network side because it is sudden, causes network capacity moment to raise easily.
Summary of the invention:
Technical problem to be solved by this invention provides a kind of processing method of shared cluster data link, thereby realizes the network side service data link sharing in group system, reduces network traffics and reduces the system handles load.
The invention provides a kind of processing method of shared cluster data link, may further comprise the steps:
Step 1, link establishment message; It further comprises the following steps:
Whether 1-1, dispatching client receive shared data request for building link message, obtain this user place group information, and search this group information exist in the group information table;
1-2, if should group information exist in the group information table, judge further then whether this link setup process is the switching of cross-dispatching client, in this way, then send registration message to dispatch server, and fill in corresponding handover information and identify the keyword that this group is shared the cluster data link, register the successfully shared cluster data link foundation successful message of back between transmission base station, base station and dispatching client, if not switching, then message is finished in the shared cluster data link foundation that directly sends between base station and the dispatching client to the base station, and according to the user chain table information of this group in the group information table corresponding user profile is inserted in the user chain table;
1-3, if should group information not exist in the group information table, dispatching client at first is this group application group information space, after applying for successfully with in the group information insertion group table, and create the user chain table of this group, send the registration message request to dispatch server then and set up shared cluster data link part between dispatching client and the dispatch server, the shared cluster data link of returning between base station and the dispatching client to the base station after registering is successfully set up success message, otherwise the shared cluster data link of returning between base station and the dispatching client is set up failed message, and removes corresponding information;
Step 2, processing forward business frame; It further may further comprise the steps:
2-1, dispatching client navigate to the information of first user of respective sets in the user message table;
The 2-2 dispatching client takes out business datum from the data buffer zone, fill out frame number, according to the keyword of the shared cluster data link between pairing base station of this user of preserving in the user profile and the dispatching client data is issued the base station;
2-3, dispatching client take out next user's pointer from active user's information, directly navigate to next user profile, and follow according to the keyword of the shared cluster data link between its corresponding base station and the dispatching client data are issued the base station;
If 2-4 active user's subsequent user pointer is empty, then the data that deletion has sent from the data buffer zone;
Step 3, link release message, it further may further comprise the steps:
3-1, dispatching client obtain corresponding group user's chained list, and arrive the information of relative users according to the keyword search of the shared cluster data link between sign base station and the dispatching client;
3-2, dispatching client judge whether this user should share last user who exists on the cluster data link;
3-3, if judging this user is not last user on the shared cluster data link at its place, then further whether judgement switches message, if switching message, then send out registration message to dispatch server, after registration is finished, from chained list, delete corresponding information, the shared cluster data link of returning between base station and the dispatching client to the base station discharges the message of finishing then, if not switching message, then do not register to dispatch server, directly from chained list, delete corresponding information, and the shared cluster data link of returning between base station and the dispatching client to the base station discharges the message of finishing;
3-4 is if be somebody's turn to do last user who shares on the cluster data link, then remove and share cluster data link part between dispatching client and the dispatch server, send registration message to dispatch server, request discharges shares the cluster data link, after registration is finished, from user chain table, delete corresponding information, and the shared cluster data link of returning between base station and the dispatching client to the base station discharges the message of finishing.
Adopt the method for the invention, compared with prior art, can reduce the network traffics of system effectively, alleviate network and system loading greatly, improve power system capacity, reduced the Signalling exchange between system, reduced the harmful effect of the mistake that produces because of too much Signalling exchange system, the stability of raising system can realize that in addition airlink is shared in the group system.
Description of drawings:
Fig. 1 is a network structure of realizing sharing the cluster data link.
Fig. 2 shares the process chart that the cluster data link is set up message.
Fig. 3 is a forward business frame process chart.
Fig. 4 shares cluster data link release message process chart.
Embodiment:
Link dispose procedure when the present invention will solve the process that need set up link when a user will add a group calling and travelling carriage and withdraws from group calling; Handle the change of switching the link that causes when a sub-district moves to other sub-district when the sub-district that travelling carriage takes place simultaneously.
Realize in the scheme of link sharing in network side of the present invention group, group system is by the base station, dispatching client and dispatch server three parts are formed, the base station is an access device, and dispatch server is responsible for user data distribution, subscription authentication etc., dispatching client is used to connect base station and dispatch server, between dispatching client and dispatch server, only set up a data link, be called and share cluster data link (STDL, Shared Trunk Data Link) for each group.Data on the link are shared by whole group, and dispatching client carries out the data distribution.
STDL is divided into two parts by the position that it is in whole link, wherein connect base station and dispatching client and partly be called A8d, the corresponding link of each group user, every link has a keyword (Key), the part of keyword is used to distinguish link, and another part is the group # of difference group; The part that connects between dispatching client and the dispatch server is called A10d, corresponding one of each group, and this link is organized all members for this and is shared, equally by the different link of keyword difference.
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical scheme:
Fig. 1 has described the network structure of STDL, as can be seen from the figure.STDL is the passage that is used to transmit data between base station and the dispatch server, and starting point is the base station, and terminal point is a dispatch server, SDTL is divided into two parts, middle continuous by dispatching client, the link that connects between base station and the dispatching client is A8d, and each user is corresponding one in the group; Connecting dispatch server and dispatching client is A10d, corresponding one of each group.
Fig. 2 has described the process chart that STDL sets up message.
201. air traffic channels has been set up in the base station, begins to set up network and connects, and promptly begins to set up the STDL link.
202. the base station sends STDL toward dispatching client and sets up request message, indicates number by the take keyword that is used to identify the A8d link and group of message.
203. dispatching client obtains the group number information that is used for identified group from the keyword of A8d sign.
204. searching this group information from the group information table, dispatching client whether exists.If exist, represent that this A10d that organizes pairing STDL has partly set up success, only need set up the A8d part, then transfer 205 to; The A10d part of if there is no then representing the STDL that this group is corresponding does not exist, and need set up the A10d part of STDL to the dispatch server registration, transfers 2041 to.
If, need also to judge whether this this link setup request process is owing to switch (switching adds) that causes, if switch the foundation request that causes, also needs to notify dispatch server, transfers 2051 to 205. should group information exist in the group information table; Only need set up the A8d part of STDL if not switching then, thereby not need to register to dispatch server again, reduce wrong possibility, transfer 206 to.
2041. if there is no, need set up the corresponding STDL of this group, then add this group information toward the group information table, dispatch server is sent out registration message simultaneously, and STDL is set up in request.
2042. dispatch server is accepted the registration back and is returned enrollment response message to dispatching client.
2051. cause if switch, then send registration message to dispatch server, request is switched and is added, and fills the keyword of the corresponding STDL link of corresponding handover information and sign this group and switch sign, and indicating this is once to switch.
2052. dispatch server is accepted the registration back and is returned enrollment response message to dispatching client.
206. dispatching client is kept this user's information and is returned A8d foundation to the base station and finish message.
Fig. 3 shows forward business frame process chart.Distinguish mutually with the general data business, dispatching client will be distributed data according to user profile after receiving business data packet.This method adopts the method for directly locating to avoid the query manipulation of his-and-hers watches.
301. dispatching client is set up and is finished after the STDL, waits for and accepts the forward data bag.
302. dispatching client receives that dispatch server mails to the service-data oriented bag of base station,
For all users of a group, dispatch server is only sent out once, is distributed by dispatching client.
303. from packet, extract the keyword of sign STDL, and locate the group information of the group of this STDL correspondence according to the value of keyword.Do not need query manipulation, thereby avoided inquiry too much under the situation of mass data to cause the congested of system information table.
304. from group information, obtain this group user chain table meter pointer.
305. the record pointed according to pointer obtains user profile, and according to the keyword of identifying user A8d link in the user profile data issued the base station.The same directly location of adopting does not need user message table is carried out query manipulation, accelerates the forwarding speed of packet.
306. judge whether to arrive the chained list afterbody, if do not arrive, expression also has the user not have distributing data, transfers 3061 to.
3061. obtain next user profile pointer, and repeat 305.
307. if arrived the chained list afterbody, expression has been transmitted packet to all users of this group, need not to preserve packet again, the data of having handled from buffer block deletion.
Fig. 4 shows STDL release message handling process.
Finish 401.STDL set up, and be in idle condition.
402. dispatching client receives that the base station discharges the message of A8d, the keyword in the message has the relevant information of group number and sign A8d link.
403. dispatching client is searched corresponding group user profile chained list by the group number of carrying in the release message from the group information table.
404. whether judge this user is last user on this STDL.If last user then identifies on this STDL no user, can not keep again, transfer 4041 to; If not last user, represent that this STDL goes up user in addition, should keep this link, transfer 405 to;
Should remove the STDL link 4041. dispatching client is judged, so initiate registration message to dispatch server, STDL is removed in request.
4042. dispatch server is accepted to return register response to dispatching client behind the registration message, dispatching client removing group information, and transfer 406 to.
405., need also to judge whether this this release request causes owing to switching to other dispatching clients if not last user; If handoff request then needs to notify dispatch server; Transfer 4051 to; Otherwise transfer 406 to.
4051. if a direct-cut operation goes, then send out registration message to dispatch server, the request switching is gone.
4052. receiving the registration of dispatch server replys.Dispatching client is not removed group information, directly transfers 406 to
406. dispatching client is deleted this user's information from user message table, and the base station sends A8d link Release complete.
The shared cluster data link processes method that the present invention proposes has alleviated network traffic data effectively, has reduced data congestion, and for aerial shared service channel provides may.This method can be used in the trunking communication field, particularly based on the trunking communication field of CDMA technology.
Claims (3)
1. the processing method of a shared cluster data link may further comprise the steps:
Step 1, link establishment message; It further comprises the following steps:
Whether 1-1, dispatching client receive shared data request for building link message, obtain this user place group information, and search this group information exist in the group information table;
1-2, if should group information exist in the group information table, judge further then whether this link setup process is the switching of cross-dispatching client, in this way, then send registration message to dispatch server, and fill in corresponding handover information and identify the keyword that this group is shared the cluster data link, register the successfully shared cluster data link foundation successful message of back between transmission base station, base station and dispatching client, if not switching, then message is finished in the shared cluster data link foundation that directly sends between base station and the dispatching client to the base station, and according to the user chain table information of this group in the group information table corresponding user profile is inserted in the user chain table;
1-3, if should group information not exist in the group information table, dispatching client at first is this group application group information space, after applying for successfully with in the group information insertion group table, and create the user chain table of this group, send the registration message request to dispatch server then and set up shared cluster data link part between dispatching client and the dispatch server, the shared cluster data link of returning between base station and the dispatching client to the base station after registering is successfully set up success message, otherwise the shared cluster data link of returning between base station and the dispatching client is set up failed message, and removes corresponding information;
Step 2, processing forward business frame; It further may further comprise the steps:
2-1, dispatching client navigate to the information of first user of respective sets in the user message table;
The 2-2 dispatching client takes out business datum from the data buffer zone, fill out frame number, according to the keyword of the shared cluster data link between pairing base station of this user of preserving in the user profile and the dispatching client data is issued the base station;
2-3, dispatching client take out next user's pointer from active user's information, directly navigate to next user profile, and follow according to the keyword of the shared cluster data link between its corresponding base station and the dispatching client data are issued the base station;
If 2-4 active user's subsequent user pointer is empty, then the data that deletion has sent from the data buffer zone;
Step 3, link release message, it further may further comprise the steps:
3-1, dispatching client obtain corresponding group user's chained list, and arrive the information of relative users according to the keyword search of the shared cluster data link between sign base station and the dispatching client;
3-2, dispatching client judge whether this user should share last user who exists on the cluster data link;
3-3, if judging this user is not last user on the shared cluster data link at its place, then further whether judgement switches message, if switching message, then send out registration message to dispatch server, after registration is finished, from chained list, delete corresponding information, the shared cluster data link of returning between base station and the dispatching client to the base station discharges the message of finishing then, if not switching message, then do not register to dispatch server, directly from chained list, delete corresponding information, and the shared cluster data link of returning between base station and the dispatching client to the base station discharges the message of finishing;
3-4 is if be somebody's turn to do last user who shares on the cluster data link, then remove and share cluster data link part between dispatching client and the dispatch server, send registration message to dispatch server, request discharges shares the cluster data link, after registration is finished, from user chain table, delete corresponding information, and the shared cluster data link of returning between base station and the dispatching client to the base station discharges the message of finishing.
2. the processing method of shared cluster data link as claimed in claim 1, wherein dispatching client navigates to that first user profile of respective sets may further comprise the steps in the user message table among the step 2-1:
2-1-1, dispatching client take out the keyword of sharing the cluster data link between sign dispatching client and the dispatch server from business data packet;
The 2-1-2 dispatching client directly navigates to the group information of organizing in the information table according to this keyword, and the head pointer of acquisition group user chain table;
The 2-1-3 dispatching client directly navigates to first user's of this group in the user message table information according to the head pointer of user chain table in the group information table.
3. the processing method of shared cluster data link as claimed in claim 1, wherein this step of chained list of dispatching client acquisition respective sets user further may further comprise the steps among the step 3-1:
The sign base station that 3-1-1, dispatching client send here according to the base station and the keyword search respective sets information of the shared cluster data link between the dispatching client;
3-1-2, dispatching client should be organized the head pointer of user chain table according to the group information acquisition;
3-1-3, dispatching client obtain this group user's chained list according to the head pointer of organizing user chain table.
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| CN 03139935 CN1269327C (en) | 2003-07-22 | 2003-07-22 | A processing method for sharing cluster data link |
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| CN 03139935 CN1269327C (en) | 2003-07-22 | 2003-07-22 | A processing method for sharing cluster data link |
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| CN1571320A true CN1571320A (en) | 2005-01-26 |
| CN1269327C CN1269327C (en) | 2006-08-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334919C (en) * | 2005-03-25 | 2007-08-29 | 北京北方烽火科技有限公司 | Managing method for user contex of multi-object positioning in GMLC |
| CN100455064C (en) * | 2005-08-02 | 2009-01-21 | 中兴通讯股份有限公司 | Dispensing method for service processing entity based on sections |
| CN101137127B (en) * | 2007-04-25 | 2010-06-16 | 中兴通讯股份有限公司 | Method to provide cluster terminal switching information |
| CN101110638B (en) * | 2007-08-29 | 2012-09-05 | 中兴通讯股份有限公司 | Chain table encoding method and system |
| CN104935459A (en) * | 2010-07-12 | 2015-09-23 | 特洛伊普公司 | System, Method And Computer Program For Intelligent Packet Distribution |
-
2003
- 2003-07-22 CN CN 03139935 patent/CN1269327C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334919C (en) * | 2005-03-25 | 2007-08-29 | 北京北方烽火科技有限公司 | Managing method for user contex of multi-object positioning in GMLC |
| CN100455064C (en) * | 2005-08-02 | 2009-01-21 | 中兴通讯股份有限公司 | Dispensing method for service processing entity based on sections |
| CN101137127B (en) * | 2007-04-25 | 2010-06-16 | 中兴通讯股份有限公司 | Method to provide cluster terminal switching information |
| CN101110638B (en) * | 2007-08-29 | 2012-09-05 | 中兴通讯股份有限公司 | Chain table encoding method and system |
| CN104935459A (en) * | 2010-07-12 | 2015-09-23 | 特洛伊普公司 | System, Method And Computer Program For Intelligent Packet Distribution |
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| Publication number | Publication date |
|---|---|
| CN1269327C (en) | 2006-08-09 |
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Effective date of registration: 20210308 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: Law Department of Zhongxing Communication Building, South Science and Technology Road, Nanshan High-tech Industrial Park, Shenzhen Patentee before: ZTE Corp. |
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