CN104768196B - The method of cluster group seamless switching - Google Patents
The method of cluster group seamless switching Download PDFInfo
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- CN104768196B CN104768196B CN201510190684.0A CN201510190684A CN104768196B CN 104768196 B CN104768196 B CN 104768196B CN 201510190684 A CN201510190684 A CN 201510190684A CN 104768196 B CN104768196 B CN 104768196B
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- Prior art keywords
- group
- cell
- monitor terminal
- data
- switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The invention discloses the methods of cluster group seamless switching, including monitor terminal at the edge of former cell, by will switching target small area be added to TA and update TA, it triggers core net and establishes group in neighboring community, according to prior art, group is identical in the data packet of the whole network, and monitor terminal promotes user experience by the data that group Lin Qu is issued；When the monitor terminal is when Target cell reaches target effect, which deletes from TA by former cell and updates TA.Core net updates group according to the distribution of the monitor terminal of the group.In handoff procedure, monitoring users data surface keeps communicating, and in handoff procedure, loss of data is not present, realizes the seamless switching of group.
Description
Technical field
The present invention relates to a kind of communications field more particularly to a kind of methods of cluster group seamless switching.
Background technique
LTE technology has been used to cluster communication, is realizing that the feature of the LTE network maximum of cluster is the group of group service
The call mechanism of user and cluster.
Cluster conversation mechanism is speaker user using dispatching desk as conversation object, regards dispatching desk as conversation object.Speaker is used
The voice at family is sent to dispatching desk by base station.The voice data of speaker is transmitted to the cell where group monitors by dispatching desk, depending on
Group is an entity user, and voice data is handed down to the group user of logic.
Group itself is a logical subscriber.All audiences of speaker are considered as an entirety, this is integrally referred to as group
Group.There is the example of a system side in the cell where the audience, which has the function of most of ordinary user,
All monitoring users of the cell are corresponding with group's example.It is issued when the data of speaker pass through group's example from eating dishes without rice or wine,
Just being considered as all monitoring users of the cell can receive.
Existing group's switching is by setting a cell, terminal for the TA (Tracking Area) of monitor terminal
Handover trigger TAU (Tracking Area Update), core net after TAU, if switching purpose cell do not correspond to
Group, the example that core net establishes group in purpose cell.Group is added after being switched to Target cell in terminal；Entirely
In the process, after monitor terminal must be disconnected with group's example of former cell, new Target cell group is added, re-establishes
Connection, if cell is in rim condition, voice quality is unable to get any improvement.This group's switching mode there are it is larger when
Prolong, influences user's perception.
Summary of the invention
Experience in handoff procedure the object of the invention is that providing a kind of monitoring users to solve the above-mentioned problems
Less than the method for the cluster group seamless switching of the interruption of group data.
The present invention through the following technical solutions to achieve the above objectives:
A kind of method of cluster group seamless switching, comprising:
When monitor terminal is in edge in former cell, by the way that the cell that will switch is added to TA and triggers TAU, touch
It sends out core net and establishes group in purpose cell；
Group is identical in whole network data packet, and monitor terminal receives the group data of former cell and new cell simultaneously, by this
Area's data of facing of group promote user experience；
When the monitor terminal is when new cell reaches target effect, which deletes from TA and triggers TAU for former cell,
Core net updates group according to the distribution of the monitor terminal of the group；
Monitoring users data surface keeps communication, and in handoff procedure, loss of data is not present, realize group without seaming and cutting
It changes.
Specifically, when monitor terminal edge in former cell, by using the cell that will switch as being added to
TA simultaneously triggers TAU.It triggers core net and establishes group in purpose cell, further includes:
The monitor terminal is in cell edge, when discovery the bit error rate be higher than target value, exist simultaneously and do not establish the group
Group is added to TA and triggers TAU when facing area of example using group as switching target small area.
Specifically, when the described monitor terminal is when new cell reaches target effect, which deletes former cell from TA
TAU is removed and triggers, core net updates group according to the distribution of the monitor terminal of the group, further includes:
The monitor terminal is not switched to Target cell, reaches the relatively good region of the channel quality of former cell, discovery
When the bit error rate is lower than certain target value, Target cell is deleted from TA and triggers TAU.
The system of a kind of cluster group seamless switching characterized by comprising core net, base station and monitor terminal；
The core net obtains the cell where the monitor terminal, at the monitoring end for parsing monitor terminal TA
Cell where end establishes group's example, and the data of forwarding group；
Group's example is established in its specified cell for the requirement according to the core net in the base station, and by data
It is sent to and eats dishes without rice or wine；
The monitor terminal, for parsing the base station in the group data for eating dishes without rice or wine to issue.It, will before terminal switches over
Switching target small area is added TA and triggers TAU；After completing switching, former cell is deleted from TA, and trigger TAU.
The beneficial effects of the present invention are:
Monitor terminal is at the edge of former cell in the present invention, by will switching target small area be added to TA and trigger
TAU.It triggers core net and establishes group in neighboring community, according to prior art, group is identical in the data packet of the whole network, monitor terminal
User experience is promoted by area's data of facing of the group；When the monitor terminal is when Target cell reaches target effect, the terminal
Former cell is deleted from TA and triggers TAU.Core net updates group according to the distribution of the monitor terminal of the group.Switched
Cheng Zhong, monitoring users data surface keeps communicating, and in handoff procedure, loss of data is not present, realizes the seamless switching of group.
Detailed description of the invention
Fig. 1 is the flow chart of the method for cluster group of the present invention seamless switching；
Fig. 2 is the flow chart of monitor terminal group of the present invention switching method.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing of the invention,
Technical solution in the present invention is clearly and completely described, it is clear that described embodiment is that a part of the invention is implemented
Example, instead of all the embodiments.
Fig. 1 is the flow chart of the method for cluster group of the present invention seamless switching, the cluster group seamless switching
Method the following steps are included:
101, terminal safeguards the TA of oneself in group's un-activation at place, and the maintenance process is the same as common maintenance process
It is identical.
102, after group's activation, core net establishes group in the cell where terminal, while to this according to the TA of terminal
The terminal of group is paged；After the monitor terminal of the group receives the paging, the group is added, monitors the group and eats dishes without rice or wine
The data issued.
103, female cell of switching before the handover, when judging that oneself will be switched over, is added to oneself by terminal
TA, and according to TA more new technological process, it initiates TA and updates.
It should be further noted that as terminal does not need to switch, without carrying out subsequent processing；If you need to switch, but from sky
Know in group's signaling of mouth, when Target cell has existed the example of the group, without being directly transferred to 105.
104, the monitor terminal is in the case where continuous Kaiyuan cell data, while listening for the group under Target cell
The data of hair.
It should be further noted that having existed the prior art may insure that the group eats dishes without rice or wine the number issued in the whole network
Exist according to packet while identical, while passing through while receiving the group data of two cells there is also technology, increases group's parsing
Effect, the method for promoting the experience of monitoring users.
105, it is switched to the monitor terminal of Target cell, after eating dishes without rice or wine to parse effect and reaching a target value, by former cell
It is deleted from TA, while the TA more new technological process that sets out.
106, core net passes through the TA information received, safeguards to group's example of former cell, if former cell is also deposited
In the monitoring users of the group, or exist and need to issue the monitor terminal that data promote user experience by the cell, then
Original group's example is maintained in former cell, otherwise, deletes group's example in former cell.
The invention discloses the method and systems of the seamless switching of the group of group service, including monitor terminal is in former cell
Edge when, by will switching target small area be added to TA and update TA.It triggers core net and establishes group in neighboring community.
According to prior art, group is identical in the data packet of the whole network, and monitor terminal promotes user by the data that group Lin Qu is issued
Experience；When the monitor terminal is when Target cell reaches target effect, which deletes from TA by former cell and updates TA.Core
Heart net updates group according to the distribution of the monitor terminal of the group.
Fig. 2 be monitor terminal group switching method flow chart, the monitor terminal group switching method the following steps are included:
201, the switching judging of terminal.
It should be further noted that terminal when monitoring group, receives the data that group issues, if the error code of group
When rate is higher than to a certain degree, it oneself will also be judged as the terminal that will switch.
202, TA is added in the Target cell of switching, and updates trigger flow TAU according to TA.The more new technological process of TA and TA
Summarizing in 36 serial protocols of 3GPP (3rd Generation Partnership Project, abbreviation 3GPP) has detailed rule
It is fixed, no longer narration in detail herein.
203, group example of the monitor terminal while listening for former cell and Target cell.
It should be further noted that monitor terminal is while listening for former cell and Target cell group example, and pass through two
The technology that circuit-switched data carries out parsing effect enhancing has existed, and no longer describes herein.
204, former cell is deleted from the TA of terminal, and triggers TAU.
It should be further noted that listening terminal when data are eated dishes without rice or wine in parsing, when discovery only parses under a cell
The group data of hair when being just enough to parse group's data packet, i.e., is deleted another cell from TA, and initiates TA more new technological process.
The purpose cell of process cell mainly relatively good to the channel quality eated dishes without rice or wine, former cell refer mainly to channel matter
Measure poor cell.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.The limitation that technical solution of the present invention is not limited to the above specific embodiments, all technical sides according to the present invention
The technology deformation that case is made, falls within the scope of protection of the present invention.
Claims (5)
1. a kind of method of cluster group seamless switching, it is characterised in that: include:
When monitor terminal is in edge in former cell, by the way that the cell that will switch is added to TA and triggers TAU, core is triggered
Heart net establishes group in purpose cell；
Group is identical in whole network data packet, and monitor terminal receives the group data of former cell and new cell simultaneously, passes through the group
Face area's data promoted user experience；
When the monitor terminal is when new cell reaches target effect, which deletes from TA and triggers TAU, core for former cell
Net updates group according to the distribution of the monitor terminal of the group；
Monitoring users data surface keeps communicating, and in handoff procedure, loss of data is not present, realizes the seamless switching of group.
2. the method for cluster group according to claim 1 seamless switching, it is characterised in that: the monitor terminal is former small
In area when edge, by the way that using the cell that will switch as being added to TA and triggering TAU, triggering core net is established in purpose cell
Group, further includes:
The monitor terminal is in cell edge, when finding the bit error rate higher than target value, exists simultaneously and does not establish group reality
When the area Li Lin, using group as switching target small area, it is added to TA and triggers TAU.
3. the method method of cluster group according to claim 1 seamless switching, it is characterised in that: when the described monitoring is whole
When new cell reaches target effect, which deletes from TA and triggers TAU for former cell, and core net is according to the group at end
The distribution of monitor terminal updates group, further includes:
The monitor terminal is not switched to Target cell, reaches the relatively good region of the channel quality of former cell, finds error code
When rate is lower than certain target value, Target cell is deleted from TA and triggers TAU.
4. a kind of system of cluster group seamless switching characterized by comprising core net, base station and monitor terminal；
The core net obtains the cell where the monitor terminal, in the monitor terminal institute for parsing monitor terminal TA
Cell establish group's example, and the data of forwarding group；
The base station establishes group's example in its specified cell for the requirement according to the core net, and data is sent
To eating dishes without rice or wine；
The monitor terminal before terminal switches over, will switch for parsing the base station in the group data for eating dishes without rice or wine to issue
Target cell is added TA and triggers TAU；After completing switching, former cell is deleted from TA, and trigger TAU.
5. system according to claim 4, it is characterised in that: the monitor terminal is being eated dishes without rice or wine for parsing the base station
Switching target small area is added TA and triggers TAU by the group data issued before terminal switches over；It, will after completing switching
Former cell is deleted from TA, and triggers TAU.
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| CN201510190684.0A CN104768196B (en) | 2015-04-21 | 2015-04-21 | The method of cluster group seamless switching |
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| US9100812B2 (en) * | 2011-05-04 | 2015-08-04 | Telefonaktiebolaget L M Ericsson (Publ) | Method and apparatus for enabling privileged access in a cellular network |
| CN103067864B (en) * | 2011-10-18 | 2015-12-16 | 鼎桥通信技术有限公司 | A kind of changing method for group's monitoring users and terminal |
| CN102523569A (en) * | 2011-12-09 | 2012-06-27 | 大唐移动通信设备有限公司 | Updating method of Tracking Area list TA List and Mobility Management Entity MME |
| CN103167423A (en) * | 2011-12-16 | 2013-06-19 | 鼎桥通信技术有限公司 | Cell switching method, device and system for monitoring user terminal in clustered system |
| CN103581837B (en) * | 2012-08-08 | 2019-05-14 | 成都鼎桥通信技术有限公司 | Resource allocation method, resource delet method and equipment |
| CN104283948B (en) * | 2014-09-26 | 2018-12-07 | 东软集团股份有限公司 | Server cluster system and its implementation of load balancing |
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Effective date of registration: 20190215 Address after: No. 9 Jizhou East Road, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province, 210000 Applicant after: Nanjing Xianfeng Shuotong Wireless Technology Co., Ltd. Address before: 621050 No. 128, East Section of Puming South Road, Mianyang High-tech Zone, Sichuan Province Applicant before: West, Sichuan knot microwave development in science and technology Co., Ltd |
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