CN104735625B - A kind of LTE cluster management system and method - Google Patents
A kind of LTE cluster management system and method Download PDFInfo
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- CN104735625B CN104735625B CN201310705509.1A CN201310705509A CN104735625B CN 104735625 B CN104735625 B CN 104735625B CN 201310705509 A CN201310705509 A CN 201310705509A CN 104735625 B CN104735625 B CN 104735625B
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- 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
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/08—Trunked mobile radio systems
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The present invention proposes a kind of LTE cluster management system, and the system is by multiple group service district's groups at each group service area is that a group service establishes group call resource and issues the range that group exhales data；One group service area is made of one or more dispatch areas, and the dispatch area is the minimum particle size of cluster resource distribution and the minimum thread of group service；One dispatch area includes one or more cells, and each cell belongs to and only belongs to a dispatch area.The present invention also proposes a kind of LTE cluster management method.Dispatch area of the invention is associated with unrelated with other network planning factors with the physical spatial location of cell, it is easier to and group service area demand keeps best match degree.
Description
Technical field
The present invention relates to wireless communication field more particularly to a kind of LTE cluster management system and methods.
Background technique
In LTE system, moving area of the terminal under RRC_IDLE state is with TA(Tracking area, tracking area) be
Granularity.Common group service terminal is to be in RRC_IDLE state, therefore the prior art can generally consider using TA as grain mostly
Degree is established group and is exhaled, and establishes group-calling service under the cell for belonging to some or certain several TA.
However it is according to the relatively-stationary network configuration parameters divided that TA, which is with network capacity etc., division is not with ground
It manages range or coverage area is unique foundation, if using TA as group call resource partition size, all of the TA will belonged to
Group call resource is all distributed under cell, since intuitively acquisition group the geographic range of covering cannot be exhaled, it may be difficult to exhale according to the group
All member present position distribution and foundation minimum can meet the access layer group call resource of group service.
In addition, some corresponding coverage area in group service area or geographic range be than relatively frequently dynamic change,
The relatively-stationary configuration of TA and cluster group dynamic change do not match that.Thus network side resource, especially interface-free resources be will cause
Very big waste, exacerbate the tensity of interface-free resources.
Summary of the invention
In order to enable LTE group service resource allocation is more accurate, more saves, the invention proposes a kind of TD-LTE cluster pipes
Reason system, the system can utmostly save system side resource while sufficiently meeting TD-LTE cluster service requirement, should
System is that a group service establishes group call resource and issues group and exhales number at, each group service area by multiple group service district's groups
According to range；One group service area is made of one or more dispatch areas, and the dispatch area is the minimum of cluster resource distribution
The minimum thread of granularity and group service；One dispatch area includes one or more cells, and each cell belongs to and only
Belong to a dispatch area.
Preferably, the corresponding dispatch area set in group service area in above system is adjusted according to cluster service requirement dynamic
It is whole.
Preferably, above system is TD-LTE cluster management system.
The present invention also proposes a kind of LTE cluster management method, the described method comprises the following steps:
A, in network deployment according to operation planning and designing dispatch area and group service area, each group service area corresponding one
A dispatch area list, network side and terminal side all save dispatch area list；
B, the adjacent area that terminal is moved to other than group service area carry out notifying network side when group-calling service, be adjudicated by network side
Whether group service area range is extended；
C, dispatch area list corresponding to the lateral group service area of network issue a group paging message.
Preferably, whether terminal judges adjacent area other than group service area according to the following method in step b:
The affiliated dispatch area information in adjacent area is carried in cell cluster message；After terminal receives cell cluster message, by adjacent area
Affiliated dispatch area information and the dispatch area list itself saved compare, if adjacent area dispatch area is just sentenced within dispatch area list
Disconnected adjacent area is in group service area, otherwise, judges that the adjacent area is in other than group service area.
Preferably, network side receives triggering group service area extension judgement after notice in step b, if judgement extension,
Group call resource then is distributed for dispatch area belonging to the mobile Target cell of terminal, group is established and exhales, while network side updates the cluster
The dispatch area list of service area, and notify to give cluster all terminals；If judgement does not extend, corresponding dispatch area is added to
Group banned list, and notify to give cluster all terminals.
Preferably, step b further include: if some dispatch area in group service area do not receive whithin a period of time it is any
Information of the terminal in its region, then network side deletes the dispatch area from the dispatch area list in the group service area, and leads to
Know to terminals all in cluster.
Preferably, network side is sent to terminal by clustered control channel and is notified.
Compared with the prior art, the advantages of the present invention are as follows: 1, group service area possesses finer, accurate resource allocation
Granularity can effectively save the access layer resource and transfer resource of group service occupancy；2, the physical space of dispatch area and cell
Position association is unrelated with other network planning factors, it is easier to and group service area demand keeps best match degree.3, neighboring BS information
In dispatch area information only rely upon planning, it is relatively stable.4, when dispatch area list extends, as long as there is a terminal behaviour in group
Make, service area variation will notify other terminals of group in time, reduce network side and terminal signaling transmission and interaction.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the scheduling section planning schematic diagram of the TD-LTE cluster management system of the embodiment of the present invention one；
Fig. 2 is that dispatch area set corresponding to three group service areas of the embodiment of the present invention one plans schematic diagram；
Fig. 3 is that the terminal of the embodiment of the present invention two initiates the process flow diagram of group service area extended requests.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments；It should be noted that in the absence of conflict, in the application
Embodiment and embodiment in feature can be combined with each other.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
One: TD-LTE cluster management system of embodiment
The present embodiment is by taking the cluster management of TD-LTE system as an example, according to the range of the network coverage and network Zhong Ge group industry
Whole network is divided into several fundamental regions first by the geographical location Wu Qu, and a number is arranged in each region, these regions are fixed
Justice is " dispatch area ".Dispatch area is the minimum particle size of cluster resource distribution and the minimum thread of group service, every in network
A cell all belongs to and only belongs to a dispatch area, and the cell for belonging to same dispatch area does not require be syntople,
Arbitrarily it can divide and combine.Then it establishes the service area of all groups in network: model is covered according to the service area of each group
It encloses and one or more dispatch areas is added to group service area, dispatch area is enable to cover group service area.
For the present embodiment as shown in Figure 1, having divided four dispatch areas altogether, each cell belongs to a dispatch area.This reality
Applying a network, there are three TD-LTE group services altogether, have corresponded to three group service areas, each group service area is group service
It establishes group call resource and issues the range that group exhales data, dispatch area set corresponding to these three group service areas is as shown in Figure 2:
Group exhales 1 group service area to be made of dispatch area 1, dispatch area 2, dispatch area 3；Group is exhaled 2 group service area by dispatch area 2, is adjusted
Spend area 3, dispatch area 4 forms；Group exhales 3 group service area to be made of dispatch area 3, dispatch area 4.
With the variation of network topology, network coverage variation or the variation of business demand, network deployment is also required to not
Disconnected adjustment and maintenance.For example the service area of some group is from a geographic area bulk migration to another geographic area, I
Only need clustered control end modify corresponding group service area dispatch area set can finishing service area migration.Industry
Expanding or shrinking for area's range of business is all identical with this, as long as modifying the dispatch area set under group service area at cluster service end
It can be with finishing service change request.
Two: TD-LTE cluster management method of embodiment
Cluster management system of the present embodiment based on embodiment one, is described in detail the cluster management method of TD-LTE system,
Specific step is as follows:
1, in network deployment according to operation planning and designing dispatch area and group service area, each group service area corresponding one
A dispatch area list, network side and terminal side all save this list；
2, the affiliated dispatch area information in adjacent area is carried in cell cluster message；After terminal receives cell cluster broadcast message,
By the affiliated dispatch area information in adjacent area and itself save dispatch area list compare, if adjacent area dispatch area dispatch area list with
It is interior, it is judged as adjacent area and is in group-calling service area, otherwise, judge that the adjacent area is in other than group-calling service area；
3, terminal is moved to when the adjacent area other than group service area carries out group-calling service and initiates group service area to network side
Enlarging request decides whether extension group service area range by network side；If some dispatch area in group service area exists simultaneously
Information of any terminal in its region is not received in a period of time, then network side is by the dispatch area from the group service area
It is deleted in dispatch area list, and by clustered control channel notification to terminals all in group；
The specific process flow of process flow that terminal initiates group service area extended requests is as shown in Figure 3:
(1), terminal initiates the enlarging request of group service area, establishes group in certain cell to network side request and exhales；
(2), whether network side receives triggering group service area extension judgement after request, connect according to preset strategy decision
By terminal request, extended response message is sent to terminal if receiving, is dispatch area belonging to the mobile Target cell of terminal
Group call resource is distributed, group is established and exhales, while network side updates the dispatch area list in the group service area (i.e. by the mobile mesh of terminal
Mark cell belonging to dispatch area be added dispatch area list), and by clustered control channel be handed down to all terminals of cluster group with
It notifies other terminal traffic areas to extend, organizes other interior terminals and know that the cell under the dispatch area has current group and exhales, it is not necessary to again
Enlarging request is initiated to the cell of the dispatch area, network-signaling load can be reduced；
If network side does not receive the terminal request, service area is sent to terminal and extends refuse information, and cell pair
The dispatch area answered is added banned list, and is handed down to all terminals of cluster group by clustered control channel, in same group in this way
Other terminals can know that the dispatch area does not support that current group is exhaled, also just no longer to the cell of the dispatch area initiate it is identical
Request, can reduce network-signaling load；
3, dispatch area list corresponding to the lateral group service area of network issues a group paging message.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (5)
1. a kind of LTE cluster management method, which is characterized in that the described method comprises the following steps:
A, in network deployment according to operation planning and designing dispatch area and group service area, the corresponding tune in each group service area
Area's list is spent, network side and terminal side all save dispatch area list；
B, the adjacent area that terminal is moved to other than group service area carry out notifying network side when group-calling service, be decided whether by network side
Extend group service area range；
C, dispatch area list corresponding to the lateral group service area of network issue a group paging message；
The group service area is that a group service establishes group call resource and issues the range that group exhales data；One group service
Area is made of one or more dispatch areas, and the dispatch area is the minimum particle size of cluster resource distribution and the most ditty of group service
Spend unit；One dispatch area includes one or more cells, and each cell belongs to and only belongs to a dispatch area.
2. according to the method described in claim 1, it is characterized in that step b, terminal judge according to the following method adjacent area whether
Other than group service area:
The affiliated dispatch area information in adjacent area is carried in cell cluster message；It, will be belonging to adjacent area after terminal receives cell cluster message
Dispatch area information and the dispatch area list itself saved compare, if adjacent area dispatch area is judged as neighbour within dispatch area list
Area is in group service area, otherwise, judges that the adjacent area is in other than group service area.
3. according to the method described in claim 1, it is characterized in that step b: network side triggers group service after receiving notice
Area's extension judgement, if judgement extension, dispatch area belonging to the mobile Target cell for terminal distributes group call resource, establishes group
It exhales, while network side updates the dispatch area list in the group service area, and notifies to give cluster all terminals；If judgement is not expanded
Corresponding dispatch area is then added to a group banned list by exhibition, and notifies to give cluster all terminals.
4. the method according to claim 1, wherein step b further include: if some scheduling in group service area
Area does not receive information of any terminal in its region whithin a period of time, then network side is by the dispatch area from the group service
It deletes, and is notified to terminals all in cluster in the dispatch area list in area.
5. the method according to claim 3 or 4, it is characterised in that: network side is sent by clustered control channel to terminal
Notice.
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| CN201310705509.1A CN104735625B (en) | 2013-12-19 | 2013-12-19 | A kind of LTE cluster management system and method |
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| CN201310705509.1A CN104735625B (en) | 2013-12-19 | 2013-12-19 | A kind of LTE cluster management system and method |
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| CN104735625B true CN104735625B (en) | 2019-02-22 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107690126B (en) * | 2016-08-04 | 2020-02-14 | 北京信威通信技术股份有限公司 | Calling method, device and system for multi-cluster control center cluster group |
| CN111148047A (en) * | 2018-11-06 | 2020-05-12 | 普天信息技术有限公司 | Group call service-based neighbor cell broadcasting method for scheduling area, eMMC and ENB |
| CN114071379B (en) * | 2020-08-04 | 2022-12-06 | 成都鼎桥通信技术有限公司 | Group communication method, system and storage medium of broadband cluster |
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| CN103379447A (en) * | 2012-04-27 | 2013-10-30 | 中兴通讯股份有限公司 | Method and device for generating cluster group calling service area |
| CN103458372A (en) * | 2012-05-29 | 2013-12-18 | 中兴通讯股份有限公司 | Method and device for processing cluster calling |
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Patent Citations (7)
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| KR100848289B1 (en) * | 2007-01-05 | 2008-10-10 | 엠피에스리서치(주) | Methods and System for P2P-Based Scalable Real-Time Mobile Group Communication Service Management in Wireless Networks |
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