CN106412851B - A kind of group call region management method under SC-PTM system - Google Patents
A kind of group call region management method under SC-PTM system Download PDFInfo
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- CN106412851B CN106412851B CN201510456015.3A CN201510456015A CN106412851B CN 106412851 B CN106412851 B CN 106412851B CN 201510456015 A CN201510456015 A CN 201510456015A CN 106412851 B CN106412851 B CN 106412851B
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- group
- message
- cell
- mark
- exhaled
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Classifications
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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
Abstract
It includes: that participation group exhales UE to send carrying group, source cell and UE mark first message to Target cell in cell reselection that the present invention, which provides the group call region management method under a kind of SC-PTM system,；Carrying group, UE, source and Target Cell Identifier second message are sent to affiliated MCE after Target cell reception first message；MCE exhales list according to group and UE mark maintenance Target cell group, carrying, which is sent, to corresponding Target cell according to Target Cell Identifier indicates whether that carrying out the group exhales bearer types to convert third message, delete source cell group exhale in list group exhale in the UE identification information, identified to send to carry instruction and discharge the group and exhale carrying or whether convert the group to corresponding source cell according to source cell and exhale the 4th message of bearer types；It is converted according to the 4th message releasing bearing or progress or without bearer types source cell.It can accurately know participation group calling terminal quantity under cell, exhale bearer types selection to provide foundation for cell group, guarantee that business continuance improves signal transmission quality simultaneously.
Description
Technical field
The present invention relates to the group call region managers under wireless communication technology field more particularly to a kind of SC-PTM system
Method.
Background technique
The list of third generation partner program (3rd Generation Partnership Project, abbreviation 3GPP) is small
Point-to-multipoint (Single-Cell Point-to-Multipoint, the abbreviation SC-PTM) subject under discussion in area has studied in long term evolution
It supports single cell point to the feasibility of multicast communication in (Long Term Evolution, abbreviation LTE) system, and proposes shifting
The solution of dynamic property: for the user equipment (User Equipment, abbreviation UE) of RRC_CONNECTED state, by evolution
(evolved Node B, abbreviation eNB provide it the call arrangement of Target cell in handoff procedure for type base station；For RRC_
The UE of IDLE state, can by current service cell broadcast adjacent cell call arrangement, or make UE will leave service it is small
It is mobile to complete minizone by switching into RRC_CONNECTED state by Qu Shi.
Above-mentioned mobility scheme primary concern is that how to guarantee small as far as possible service disconnection after UE enters Target cell, but
It does not account for after UE completes mobile, the treatment mechanism of source cell.According to the requirement of SC-PTM, network needs to be called according to participation
UE quantity, determine cell used in bearer types, if participated in cell calling UE quantity it is too low, which will use
Unicast bearer rather than SC-PTM carrying to guarantee speech quality.And as described above, the existing scheme of 3GPP to only considered target small
The case where area, has ignored the UE quantity variation of source cell.
In view of the above-mentioned problems, the major programme of domestic industry is by Non-Access Stratum (Non-access stratum, abbreviation
NAS) mechanism solves.The group participated in is such as carried when UE initiating updating of tracking area process and exhales information, and core net safeguards each calling
The tracing area being related to, so as to judge to be not engaged in the UE that group is exhaled in which tracking area, to indicate that base station is released
Put the group call resource of corresponding tracking area.
The case where existing scheme of 3GPP only considered Target cell has ignored the UE quantity variation of source cell, Wu Fashi
The determination of bearer types in existing source cell；NAS mechanism can only be solved the problems, such as in the granularity of UE tracking area list, in real network
In, tracking area list generally comprises multiple tracking areas, and a tracking area generally comprises multiple cells, therefore NAS mechanism is only
It can be carried out rough UE to count, accuracy is inadequate.
In consideration of it, the terminal quantity that participation group calls under cell how is known, to exhale bearer types selection to mention for cell group
For foundation, improving signal transmission quality under the premise of guaranteeing business continuance becomes the current technical issues that need to address.
Summary of the invention
In order to solve the above technical problems, the present invention provides the group call region management method under a kind of SC-PTM system, energy
Accurately know the terminal quantity that participation group calls under cell, exhales bearer types selection to provide foundation for cell group, guaranteeing industry
Signal transmission quality is improved under the premise of business continuity.
In a first aspect, the present invention provides the group call region management method under a kind of SC-PTM system, comprising:
The user equipment (UE) that participation group is exhaled sends first message, the first message in cell reselection, to Target cell
Carry group mark, source cell mark, UE mark that the participated in group of the UE is exhaled；
After the Target cell receives the first message, second is sent to affiliated multiple cell/multicast coordination entity MCE
Message, the second message carry group mark, source cell mark, Target Cell Identifier, the UE mark that the participated in group of the UE is exhaled；
After the MCE receives the second message, determine that the UE is joined according to the group mark in the second message
With group exhale, safeguard that the group of the Target cell exhales list according to described group of mark and UE mark, and according to the target
Cell ID sends third message to Target cell corresponding with the Target Cell Identifier, and the third message carrying is used to indicate
Whether the Target cell carries out the information for the bearer types conversion that the group exhales, wherein the information that the third message carries is
It, should according to the participation after exhaling list to determine and participate in the UE quantity exhaled of the group according to the group of the Target cell by the MCE
The UE quantity that group is exhaled judges whether the Target cell carries out the bearer types conversion that the group exhales and determines；
The MCE also deletes institute after the group for determining the UE participation according to the group mark in the second message is exhaled
State source cell group exhale the group in list exhale described in UE mark information, and identified according to the source cell to small with the source
Area identifies corresponding source cell and sends the 4th message, and the 4th message carrying is used to indicate the source cell and discharges what the group was exhaled
The information of carrying, or carry and be used to indicate the information whether source cell carries out the bearer types conversion that the group is exhaled, wherein
The information that 4th message carries is to exhale list to determine the UE number for participating in the group and exhaling according to the group of the source cell by the MCE
After amount, according to the UE quantity that described participation group is exhaled, judge whether the source cell carries out the bearer types conversion that the group is exhaled
Or whether carries out carrying release that the group exhales and determine；
After the source cell receives the 4th message, the group that the UE is participated in is discharged according to the 4th message and is exhaled
Carrying, or the bearer types for being carried out according to the 4th message or being exhaled without the UE group participated in convert；
Wherein, the source cell and the Target cell belong to the same MCE.
Optionally, the user equipment (UE) exhaled in the participation group sends first message in cell reselection, to Target cell
Before, further includes:
UE sends the 5th message when receiving the notification message that group is exhaled for the first time, to affiliated source cell, and the described 5th disappears
Breath carries the group mark and UE mark that the participated in group of the UE is exhaled；
After the source cell receives the 5th message, the 6th message is sent to affiliated MCE, the 6th message carries
The group mark and UE mark that the participated in group of the UE is exhaled；
The MCE is exhaled according to the group of described group of mark and the UE mark maintenance source cell in the 6th message
List.
Optionally, the 5th message is radio resource control RRC message or media access control MAC message.
Optionally, the radio resource control RRC message is specially wireless resource control connection request
RRCConnectionRequest message.
Optionally, the media access control MAC message is specially the MSG3 message of random access procedure.
Optionally, the source cell mark, comprising: Physical Cell Identifier PCI and/or Cell Global Identification CGI.
Optionally, the first message is radio resource control RRC message or media access control MAC message.
Optionally, the radio resource control RRC message is specially wireless resource control connection request
RRCConnectionRequest message.
Optionally, the media access control MAC message is specially the MSG3 message of random access procedure.
As shown from the above technical solution, the group call region management method under SC-PTM system of the invention, can accurately obtain
Know the terminal quantity that participation group calls under cell, exhales bearer types selection to provide foundation for cell group, guaranteeing business continuance
Under the premise of improve signal transmission quality.
Detailed description of the invention
Fig. 1 is the process signal of the group call region management method under a kind of SC-PTM system that one embodiment of the invention provides
Figure；
Fig. 2 is the letter that group mark and UE mark are sent to source cell using RRC information by UE provided in an embodiment of the present invention
Enable schematic diagram；
Fig. 3 is that UE provided in an embodiment of the present invention is identified group mark and UE using RRCConnectionRequest message
It is sent to the signalling diagram of source cell；
Fig. 4 is that group mark and UE mark are sent to by UE provided in an embodiment of the present invention using the MSG3 message of random access
The signalling diagram of source cell；
Fig. 5 is knot of the UE provided in an embodiment of the present invention using the increased group of mark MAC CE of MSG3 message of random access
Structure schematic diagram；
Fig. 6 is the knot that UE provided in an embodiment of the present invention identifies MAC CE using the increased UE of MSG3 message of random access
Structure schematic diagram；
Fig. 7 is that a group mark, source cell mark and UE mark are sent to by UE provided in an embodiment of the present invention using RRC information
The signalling diagram of Target cell；
Fig. 8 is that UE provided in an embodiment of the present invention utilizes RRCConnectionRequest message by group a mark, source cell
Mark and UE mark are sent to the signalling diagram of Target cell；
Fig. 9 be UE provided in an embodiment of the present invention using random access MSG3 message by group mark, source cell mark and
UE identifies the signalling diagram for being sent to Target cell；
Figure 10 is the increased cell ID MAC CE of MSG3 message that UE provided in an embodiment of the present invention utilizes random access
Structural schematic diagram.
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, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 shows the process of the group call region management method under a kind of SC-PTM system of one embodiment of the invention offer
Schematic diagram, as shown in Figure 1, the group call region management method under the SC-PTM system of the present embodiment is as described below.
101, participation group exhales the user equipment (UE) of (IDLE state) in cell reselection, sends first to Target cell and disappears
Breath, the first message carry group mark, source cell mark, the UE mark that the participated in group of the UE is exhaled.
In a particular application, source cell described in the present embodiment identifies, it may include but be not limited to: Physical Cell Identifier
(Physical Cell Identifier, abbreviation PCI) and/or Cell Global Identification (Cell Global
Identifier, abbreviation CGI) etc..
In a particular application, due to may relate to different cell base stations in UE moving process, the present embodiment is sent
Group mark should be that network is unique, as Temporary Mobile Group Identity (Temporary Mobile Group Identity, letter
Claim TMGI) etc..
In a particular application, for example, first message described in the present embodiment can be radio resource control RRC message,
As shown in fig. 7, described group of mark and source cell mark can be increased in RRC information；
Further, for example, the radio resource control RRC message can be selected specifically to wireless heterogeneous networks
Connection request RRCConnectionRequest message, as shown in figure 8, can by described group of mark and source cell mark as newly
Cell increases in RRCConnectionRequest message.
In a particular application, for example, first message described in the present embodiment can also be media access control (Media
Access Control, abbreviation MAC) message；
Further, for example, the MAC message can be selected specifically to the MSG3 message of random access procedure,
As shown in figure 9, the described group of mark MAC CE new as one can be increased in the MSG3 message of random access, by the source
The cell ID MAC CE (as shown in Figure 10) new as another increases in the MSG3 message, and the UE is identified conduct
Another new MAC CE increases in the MSG3 message.
102, after the Target cell receives the first message, to affiliated multiple cell/multicast coordination entity (Multi-
Cell/Multicast Coordination Entity, abbreviation MCE) second message is sent, the second message carries the UE
Group mark that institute's participation group is exhaled, source cell mark, Target Cell Identifier, UE mark.
103, after the MCE receives the second message, the UE is determined according to the group mark in the second message
The group participated in is exhaled, and safeguards that the group of the Target cell exhales list according to described group of mark and UE mark, and according to described
Target Cell Identifier sends third message to Target cell corresponding with the Target Cell Identifier, and the third message carrying is used for
Indicate whether the Target cell carries out the information for the bearer types conversion that the group is exhaled, wherein the letter that the third message carries
Breath is after exhaling list to determine and participate in the UE quantity exhaled of the group according to the group of the Target cell by the MCE, according to the ginseng
The UE quantity exhaled with the group judges whether the Target cell carries out the bearer types conversion that the group exhales and determines.
104, the MCE is also deleted after the group for determining the UE participation according to the group mark in the second message is exhaled
Except the group of the source cell exhale the group in list exhale described in UE mark information, and according to the source cell identify to this
Source cell identifies corresponding source cell and sends the 4th message, and the 4th message carrying is used to indicate the source cell and discharges the group
The information for the carrying exhaled, or carry and be used to indicate the information whether source cell carries out the bearer types conversion that the group is exhaled,
Wherein, the information that the 4th message carries is to exhale list to determine that participating in the group exhales according to the group of the source cell by the MCE
UE quantity after, according to the UE quantity exhaled of the participation group, judge whether the source cell carries out the carrying class that the group is exhaled
Type is converted or whether is carried out carrying release that the group exhales and determines；
It will be appreciated that it is small that the third message carrying is used to indicate the source if participating in the UE quantity that the group is exhaled is 0
Area discharges the information for the carrying that the group that the UE is participated in is exhaled
105, after the source cell receives the 4th message, discharge what the UE was participated according to the 4th message
The carrying that group is exhaled, or the bearer types for being carried out according to the 4th message or being exhaled without the UE group participated in are converted.
Wherein, the source cell and the Target cell belong to the same MCE.
Group call region management method under the SC-PTM system of the present embodiment can accurately know that participation group calls under cell
Terminal quantity, for cell group exhale bearer types selection foundation is provided, under the premise of guaranteeing business continuance improve signal transmit
Quality.
In a particular application, before the present embodiment above-mentioned steps 101, include the steps that P1-P3 is not shown in the figure:
P1, UE when receiving the notification message that group is exhaled for the first time, to affiliated source cell send the 5th message, the described 5th
Message carries the group mark and UE mark that the participated in group of the UE is exhaled.
In a particular application, for example, the 5th message can be radio resource control RRC message, such as Fig. 2 institute
Show, described group of mark can be increased in RRC information；
Further, for example, the radio resource control RRC message can be selected specifically to wireless heterogeneous networks
Connection request RRCConnectionRequest message, as shown in figure 3, can increase to using described group of mark as new cell
In RRCConnectionRequest message.
In a particular application, for example, the 5th message can also be media access control (Media Access
Control, abbreviation MAC) message；
Further, for example, the MAC message can be selected specifically to the MSG3 message of random access procedure,
As shown in figure 4, media access control layer control unit (MAC Control that can be new as one using described group of mark
Element, abbreviation MAC CE) (as shown in Figure 5) increase in the MSG3 message of random access, by UE mark as another
A new MAC CE (as shown in Figure 6) increases in the MSG3 message.
After P2, the source cell receive the 5th message, the 6th message, the 6th message are sent to affiliated MCE
Carry the group mark and UE mark that the participated in group of the UE is exhaled.
P3, the MCE according in the 6th message described group of mark and UE mark safeguard the source cell
Group exhales list (as shown in table 1).
Table 1
Group call region management method under the SC-PTM system of the present embodiment can accurately know that participation group calls under cell
Terminal quantity, for cell group exhale bearer types selection foundation is provided, under the premise of guaranteeing business continuance improve signal transmit
Quality.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
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.
Claims (9)
1. the group call region management method under a kind of SC-PTM system characterized by comprising
The user equipment (UE) that participation group is exhaled sends first message in cell reselection, to Target cell, and the first message carries
The group that the participated in group of the UE is exhaled identifies, source cell mark, UE are identified；
After the Target cell receives the first message, second is sent to affiliated multiple cell/multicast coordination entity MCE and is disappeared
Breath, the second message carry group mark, source cell mark, Target Cell Identifier, the UE mark that the participated in group of the UE is exhaled；
After the MCE receives the second message, determine what the UE was participated according to the group mark in the second message
Group is exhaled, and safeguards that the group of the Target cell exhales list according to described group of mark and UE mark, and according to the Target cell
It identifies to Target cell corresponding with the Target Cell Identifier and sends third message, the third message carrying is used to indicate described
Whether Target cell carries out the information for the bearer types conversion that the group is exhaled, wherein the information that the third message carries is by institute
It states after MCE exhales list to determine and participate in the UE quantity exhaled of the group according to the group of the Target cell, is exhaled according to described participation group
UE quantity, judge whether the Target cell carries out the bearer types conversion that the group exhales and determine；
The MCE also deletes the source after the group for determining the UE participation according to the group mark in the second message is exhaled
The group of cell exhale the group in list exhale described in UE mark information, and according to the source cell identify to the source cell mark
Know corresponding source cell and send the 4th message, the 4th message carrying is used to indicate the source cell and discharges the carrying that the group is exhaled
Information, or carry and be used to indicate the information whether source cell carries out the bearer types conversion that the group exhales, wherein is described
The information that 4th message carries be by the MCE according to the group of the source cell exhale list determines the UE quantity exhaled of the participation group it
Afterwards, according to the UE quantity exhaled of the participation group, judge the source cell whether carry out the bearer types conversion that the group is exhaled or
Whether carry out the carrying release that the group exhales and determines；
After the source cell receives the 4th message, held according to what the 4th message discharged that the group that the UE is participated in exhales
It carries, or the bearer types for being carried out according to the 4th message or being exhaled without the UE group participated in are converted；
Wherein, the source cell and the Target cell belong to the same MCE.
2. the method according to claim 1, wherein the user equipment (UE) exhaled in the participation group is in cell reselection
When, before sending first message to Target cell, further includes:
UE sends the 5th message when receiving the notification message that group is exhaled for the first time, to affiliated source cell, and the 5th message is taken
The group mark and UE mark exhaled with the participated in group of the UE；
After the source cell receives the 5th message, the 6th message is sent to affiliated MCE, the 6th message carries the UE
The group mark and UE mark that institute's participation group is exhaled；
The MCE exhales column according to the group of described group of mark and the UE mark maintenance source cell in the 6th message
Table.
3. according to the method described in claim 2, it is characterized in that, the 5th message be radio resource control RRC message, or
Media access control MAC message.
4. according to the method described in claim 3, it is characterized in that, the radio resource control RRC message is specially wireless money
Source controls connection request RRCConnectionRequest message.
5. according to the method described in claim 3, it is characterized in that, the media access control MAC message specially connects at random
Enter the MSG3 message of process.
6. the method according to claim 1, wherein the source cell identifies, comprising: Physical Cell Identifier PCI,
And/or Cell Global Identification CGI.
7. the method according to claim 1, wherein the first message be radio resource control RRC message, or
Media access control MAC message.
8. the method according to the description of claim 7 is characterized in that the radio resource control RRC message is specially wireless money
Source controls connection request RRCConnectionRequest message.
9. the method according to the description of claim 7 is characterized in that the media access control MAC message specially connects at random
Enter the MSG3 message of process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456015.3A CN106412851B (en) | 2015-07-29 | 2015-07-29 | A kind of group call region management method under SC-PTM system |
| PCT/CN2016/091954 WO2017016495A1 (en) | 2015-07-29 | 2016-07-27 | Group-calling region management method under sc-ptm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510456015.3A CN106412851B (en) | 2015-07-29 | 2015-07-29 | A kind of group call region management method under SC-PTM system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106412851A CN106412851A (en) | 2017-02-15 |
| CN106412851B true CN106412851B (en) | 2019-07-23 |
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| CN201510456015.3A Expired - Fee Related CN106412851B (en) | 2015-07-29 | 2015-07-29 | A kind of group call region management method under SC-PTM system |
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| WO (1) | WO2017016495A1 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242636A (en) * | 2007-02-06 | 2008-08-13 | 华为技术有限公司 | Method and system for configuring single-frequency network area |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101568113B (en) * | 2008-04-21 | 2010-12-08 | 大唐移动通信设备有限公司 | Method, device and system for realizing synchronization of loading state |
| US8644826B2 (en) * | 2008-12-26 | 2014-02-04 | Nec Corporation | Wireless communication system, communication control method, radio base station, radio terminal, and storage medium |
| CN102123460B (en) * | 2010-01-07 | 2014-11-05 | 普天信息技术研究院有限公司 | Method for realizing group calling service handover in trunked mobile communication system |
-
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- 2015-07-29 CN CN201510456015.3A patent/CN106412851B/en not_active Expired - Fee Related
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101242636A (en) * | 2007-02-06 | 2008-08-13 | 华为技术有限公司 | Method and system for configuring single-frequency network area |
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| Publication number | Publication date |
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| CN106412851A (en) | 2017-02-15 |
| WO2017016495A1 (en) | 2017-02-02 |
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Granted publication date: 20190723 |