CN104936154A - Method of determining and adjusting group service area information - Google Patents
Method of determining and adjusting group service area information Download PDFInfo
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- CN104936154A CN104936154A CN201410108163.1A CN201410108163A CN104936154A CN 104936154 A CN104936154 A CN 104936154A CN 201410108163 A CN201410108163 A CN 201410108163A CN 104936154 A CN104936154 A CN 104936154A
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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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Abstract
The invention discloses a method of determining and adjusting group service area information. The method comprises the following steps that a network side sends a sending indication of a group paging message to base stations corresponding to all the cells included in initial group service area information; the base station which receives the sending indication issues a cluster paging message to the cell and the cluster paging message carries a physical random access channel PRACH resource and indication information of a Preamble code; if a group user which receives the cluster paging message determines to receive an own group service, the Preamble code indicated by the indication information is sent to a PRACH channel indicated by the indication information; after the base station receives the Preamble code, a corresponding group service is determined according to the PRACH channel resource used by the Preamble code and a code word of the Preamble code; the network side updates the group service area information according to a feedback condition of each cell.
Description
Technical field
The application relates to mobile communication technology field, particularly based on the wideband digital trunked communication system of TD-LTE technology, particularly relates to a kind of method determined and adjust group service area information.
Background technology
Wideband digital trunked communication system based on TD-LTE technology not only can support the various multimedia services of TD-LTE mobile communication system self, and can provide basic trunked call service and Cluster Multimedia business.Group service (as group calling etc.) is the typical services in group system, is jointly participated in by multiple user.In order to realize the fast call establishment of group service, for the characteristic of point multipoint message traffic, descending general employing broadcast mode sends chain of command signaling and user face data, the group user being in idle condition need not be transformed into connection status, just can directly receive chain of command signaling and user face data, thus speed call is set up and business datum receives.
Because group user position has randomness, may be dispersed in the different districts of same base station or the different districts of different base station, and the mobility management apparatus difference accompanying by terminal, the state (comprising connected state and Idle state) residing for terminal is also not quite similar.Group system need determine group service area information, and described group service area information determines group service and sets up region.When initiating group service, group system, according to group service area information, notifies that in all communities comprised in this information, allocation of downlink shares Radio Resource, and broadcasts the beep-page message of group service foundation, makes each group user add group service.
The group service of conventional cluster system sets up the mode that region generally adopts fixed area, namely by carrying out statistical analysis to the conventional activity scope of each group user in a certain group, for group determines a fixing group service region, and the determined group service area information of human configuration in systems in which.But this mode is only applicable to group user distribution Relatively centralized and the scope of activities scene of relatively fixing in actual applications, has certain limitation.If the scope of activities of group user is larger, such as movable in the whole city scope in certain city, adopt the mode of fixed area, just need that whole city scope is all defined as group service and set up region.When group service is set up, group user may just be distributed in certain the several community in whole city scope, user in most of community not in this group, if also set up allocation of downlink in all communities that region comprises according to the group service determined before share Radio Resource and broadcast the beep-page message that group service sets up, the serious waste of system wireless resource can be caused so undoubtedly, and other group service Resourse Distribute in region is impacted.Therefore, or the cluster application scene that have mobility require larger for scope of activities, needs the mode adopting dynamic area.
In LTE technology, network side distributes a tracking area list for each registration terminal, when the terminal under wireless heterogeneous networks (RRC) idle condition moves in the community that tracking area list comprises, except periodically tracing section updating, terminal need not initiating updating of tracking area process, can alleviate the signaling traffic load of network like this.When there being business to arrive, call terminal in the community that network side can comprise in tracking area list.Concrete implementation is: in starting up of terminal attaching process, and the mobility management apparatus of terminal attachment distributes a tracking area identification list for it; After terminal enters idle condition, except periodicity tracing section updating, terminal, can not initiating updating of tracking area process when the tracking area indicated by tracking area identification list moves; During other tracking area beyond the tracking area indicated by fast mobile terminal to tracking area identification list, tracing section updating process will occur, in this process, mobility management apparatus can according to terminal position, for it redistributes a tracking area identification list.As can be seen here, due to the introducing of tracking area concept, the accurate location that network side not knowing is in residing for the terminal of RRC idle condition.
Be refer to a kind of method dynamically determined and adjust group call region in China's application " a kind of determination of group calling region information and method of adjustment " of 201010100197.8 at application number, specifically comprise: network side record group user institute's reporting position information in the process of attachment, and forming group calling region information according to the positional information of group user, described positional information is the mark of community, group user place.When group user is transformed into idle condition from connection status, the positional information of this group user in group calling region information is replaced to the community that network side comprises for tracking area list that it distributes.If after this there is the positional information of group user to change, the group calling region information of network side real-time update group.In this application technical scheme, the community that dynamic group calling region is comprised by the community at group user place and the group user place tracking area list that is in RRC idle condition that are in RRC connection status forms.The group user being in RRC idle condition can reside in a community in the community that this user place tracking area list comprises.Like this, for utilizing for the determined group call region of tracking area list, the user in some cells not in this group can be deposited, if also in these communities, allocation of downlink shares the serious waste that Radio Resource certainly will cause system wireless resource, cause Radio Resource limited in group system reasonably to distribute and effectively manage, systematic function is impacted.
Summary of the invention
This application provides a kind of method determined and adjust group service area information, determined group service area information is more accurate relative to prior art, more reasonably can distribute and effectively limited in management cluster system Radio Resource, improve systematic function.
The embodiment of the present application provides a kind of method determined and adjust group service area information, comprising:
A, generate original group service area information according to the positional information of all group user in the same group of network side current record;
The transmission instruction of the base station transmission group page message that all communities that B, network side comprise in original group service area information are corresponding;
C, receive described send instruction base station issue clustered paging message in this community, carry the indication information of Physical Random Access Channel PRACH resource and Preamble code in described clustered paging message; And record described PRACH resource and the incidence relation between Preamble code and this group service;
If D, the group user receiving clustered paging message determine the group service received belonging to oneself, then on the PRACH channel indicated by described indication information, send the Preamble code indicated by described indication information;
E, after base station receives Preamble code, the PRACH channel resource used according to this Preamble code and the code word of Preamble code determine corresponding group service;
F, network side, according to the feedback of each community, upgrade group service area information.
Preferably, positional information described in steps A is the cell ID in the tracking area list of group user.
Preferably, if group user is in RRC connection status, positional information described in steps A is the cell ID of this community, group user place; If group user is in RRC idle condition, positional information described in steps A is the cell ID in the tracking area list of this group user.
Preferably, step C comprises further: described base station is that group service allocation of downlink shares Radio Resource in this community;
Step F comprises further: network side is determined, for group service allocation of downlink shares Radio Resource and do not feed back the community of Preamble code, to delete the descending shared Radio Resource of group service in these communities.
Preferably, step F comprises further: network side shares Radio Resource in the community that the group service area information upgraded is corresponding for this group service allocation of downlink.
As can be seen from the above technical solutions, network side receives the group service feedback information that group user sends, and the PRACH resource bearing that this feedback information is specified by base station also uses the Preamble code of specifying; Network side, according to the feedback of each community, is determined and adjusts group service area information, and according to the group service area information upgraded for this group service allocation of downlink shares Radio Resource.Technical scheme enters RRC connection status without the need to group user and just can feed back and answer group calling information, determines more accurately and adjusts group service area information.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present application determination provided and the method flow schematic diagram adjusting group service area information.
Embodiment
A kind of method determined and adjust group service area information that the application provides, its fundamental design idea is: network side receives group service feedback information, and Physical Random Access Channel (PRACH) resource bearing that this feedback information is specified by eNode B also uses the lead code (Preamble) of specifying; Network side, according to the feedback of each community, is determined and adjusts group service area information, and according to the group service area information upgraded for this group service allocation of downlink shares Radio Resource.Technical scheme enters RRC connection status without the need to group user and just can feed back and answer group calling information, determines more accurately and adjusts group service area information.
For making the know-why of technical scheme, feature and technique effect clearly, below in conjunction with specific embodiment, technical scheme is described in detail.
The method flow of the determination that the embodiment of the present application provides and adjustment group service area information as shown in Figure 1, comprises the steps:
Step 101: generate original group service area information according to the positional information of all group user in the same group of network side current record.
Step 102: the transmission instruction of the base station transmission group page message that all communities that network side comprises in original group service area information are corresponding.
Step 103: receive the described base station sending instruction and issue clustered paging message in this community, and record described PRACH resource and the incidence relation between Preamble code and this group service.The indication information of PRACH resource and Preamble code is carried in described clustered paging message.
Step 104: if the group user receiving clustered paging message determines the group service received belonging to oneself, then the Preamble code sent on the PRACH channel indicated by described indication information indicated by described indication information has user to receive group service to feed back in community.
Step 105: after base station receives Preamble code, the PRACH channel resource used according to this Preamble code and the code word of Preamble code determine corresponding group service.
Step 106: network side upgrades group service area information according to the feedback of each community.Namely receive the community of Preamble code, continue to be retained in group service area information, do not receive the community of Preamble code, delete from group service area information.
Particularly, network side utilizes the positional information of all group user in same group to generate original group service area information, and described customer position information specifies two kinds of modes:
Mode one does not distinguish each user state information in group, and the cell ID in the tracking area list of group user is as the positional information of user;
Mode two distinguishes each user state information in group, and the cell ID of community, RRC connection status user place is the positional information of user, and the cell ID in the tracking area of RRC idle condition user is the positional information of user.
Mode one realizes simply, but determines that group service region is accurate not, and mode two determines that group service region is relatively accurate, but realizes more complicated than mode one.Employing mode one or mode two can be selected to determine group service region according to actual conditions.
When a certain group user initiates group service, network side is according to original group service area information, and all communities comprised in instruction original group service area information send group page message and allocation of downlink shares Radio Resource.The PRACH resource that eNode B can use for this group service distribution group user feedback and Preamble code, the PRACH resource of specifying and the Preamble code of specifying are associated with this group service.ENode B carries the PRACH resource of specifying corresponding to this group service and specifies Preamble code when sending the group page message of eating dishes without rice or wine.
After group user receives clustered paging message, the group service belonging to oneself is received if determine, the PRACH channel resource of specifying that then this group service of indicating according to eNode B of this group user is corresponding and the Preamble code information of specifying, the PRACH channel resource of specifying uses the Preamble code of specifying send Preamble code, feed back and have user to receive this group service in this community.
Network side is determined according to the Preamble code of user feedback and is adjusted the practical business region of group service.After eNode B receives Preamble code, when the PRACH channel resource used according to this Preamble code and Preamble code determine corresponding group service, show that this community has cluster user to receive this group service, then Radio Resource is shared for this group service allocation of downlink in eNode B Hui Zhe community.
In another embodiment of the application, sharing Radio Resource for group service allocation of downlink can in the following way: network side can according to the positional information composition original group service area information of group user all in same group, at the community signalling of bouquet beep-page message at original group service area place, simultaneously in these regions first for group service allocation of downlink shares Radio Resource, again according to feedback determination practical business region, for the community not having this group service of feedback reception, delete the descending shared Radio Resource of this group service in these communities.
In another embodiment of the application, network side also can according to the positional information composition original group service area information of group user all in same group, at the community signalling of bouquet beep-page message at original group service area place, receive user feedback Preamble code situation according to each community determine and adjust group service region, then share Radio Resource in the community that the group service area information upgraded is corresponding for this group service allocation of downlink.
Provide specific embodiment below.The indication information of PRACH channel resource and Preamble code can be increased in clustered paging message.As follows is clustered paging message TrunkingPaging message in the embodiment of the present application:
TrunkingPaging message
Wherein, relevant to technical scheme cell implication is as shown in table 1:
Table 1
The foregoing is only the preferred embodiment of the application; not in order to limit the protection range of the application; within all spirit in technical scheme and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the application protects.
Claims (5)
1. determine and adjust a method for group service area information, it is characterized in that, comprising:
A, generate original group service area information according to the positional information of all group user in the same group of network side current record;
The transmission instruction of the base station transmission group page message that all communities that B, network side comprise in original group service area information are corresponding;
C, receive described send instruction base station issue clustered paging message in this community, carry the indication information of Physical Random Access Channel PRACH resource and Preamble code in described clustered paging message; And record described PRACH resource and the incidence relation between Preamble code and this group service;
If D, the group user receiving clustered paging message determine the group service received belonging to oneself, then on the PRACH channel indicated by described indication information, send the Preamble code indicated by described indication information;
E, after base station receives Preamble code, the PRACH channel resource used according to this Preamble code and the code word of Preamble code determine corresponding group service;
F, network side, according to the feedback of each community, upgrade group service area information.
2. method according to claim 1, is characterized in that, positional information described in steps A is the cell ID in the tracking area list of group user.
3. method according to claim 1, is characterized in that, if group user is in RRC connection status, positional information described in steps A is the cell ID of this community, group user place; If group user is in RRC idle condition, positional information described in steps A is the cell ID in the tracking area list of this group user.
4. method according to claim 1, is characterized in that, step C comprises further: described base station is that group service allocation of downlink shares Radio Resource in this community;
Step F comprises further: network side is determined, for group service allocation of downlink shares Radio Resource and do not feed back the community of Preamble code, to delete the descending shared Radio Resource of group service in these communities.
5. method according to claim 1, is characterized in that, step F comprises further: network side shares Radio Resource in the community that the group service area information upgraded is corresponding for this group service allocation of downlink.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410108163.1A CN104936154B (en) | 2014-03-21 | 2014-03-21 | A kind of method of determination and adjustment group service area information |
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| CN201410108163.1A CN104936154B (en) | 2014-03-21 | 2014-03-21 | A kind of method of determination and adjustment group service area information |
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| CN104936154B CN104936154B (en) | 2018-08-03 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744480A (en) * | 2016-03-30 | 2016-07-06 | 山东闻远通信技术有限公司 | Dynamic adjusting method for group call area in broadband trunking communication (B-TrunC) system |
| CN105848106A (en) * | 2016-05-12 | 2016-08-10 | 山东闻远通信技术有限公司 | Broadband cluster system group calling area generating and adjusting method and system |
| WO2017020764A1 (en) * | 2015-07-31 | 2017-02-09 | 普天信息技术有限公司 | Method and device for resource allocation in group communication system |
| CN107135489A (en) * | 2016-02-29 | 2017-09-05 | 展讯通信（上海）有限公司 | Monitor the method and device that mobile station in cell receives cluster multi call business |
| CN107241703A (en) * | 2016-03-28 | 2017-10-10 | 展讯通信（上海）有限公司 | Instruction terminal adjusts the method and device of transmission power in group exhales paging |
| CN110166950A (en) * | 2018-02-13 | 2019-08-23 | 海能达通信股份有限公司 | A kind of method that answering feedback, relevant device and system |
| CN114020363A (en) * | 2021-11-15 | 2022-02-08 | 海能达通信股份有限公司 | Group attachment method and corresponding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8019329B2 (en) * | 2005-12-07 | 2011-09-13 | TOR Anumana | Wireless controller device |
-
2014
- 2014-03-21 CN CN201410108163.1A patent/CN104936154B/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020764A1 (en) * | 2015-07-31 | 2017-02-09 | 普天信息技术有限公司 | Method and device for resource allocation in group communication system |
| CN107135489A (en) * | 2016-02-29 | 2017-09-05 | 展讯通信（上海）有限公司 | Monitor the method and device that mobile station in cell receives cluster multi call business |
| CN107135489B (en) * | 2016-02-29 | 2021-03-23 | 展讯通信（上海）有限公司 | Method and device for monitoring cluster group calling service received by mobile station in cell |
| CN107241703A (en) * | 2016-03-28 | 2017-10-10 | 展讯通信（上海）有限公司 | Instruction terminal adjusts the method and device of transmission power in group exhales paging |
| CN105744480A (en) * | 2016-03-30 | 2016-07-06 | 山东闻远通信技术有限公司 | Dynamic adjusting method for group call area in broadband trunking communication (B-TrunC) system |
| CN105848106A (en) * | 2016-05-12 | 2016-08-10 | 山东闻远通信技术有限公司 | Broadband cluster system group calling area generating and adjusting method and system |
| CN105848106B (en) * | 2016-05-12 | 2019-04-19 | 山东闻远通信技术有限公司 | A kind of broadband cluster system group call region generates and method of adjustment and system |
| CN110166950A (en) * | 2018-02-13 | 2019-08-23 | 海能达通信股份有限公司 | A kind of method that answering feedback, relevant device and system |
| CN114020363A (en) * | 2021-11-15 | 2022-02-08 | 海能达通信股份有限公司 | Group attachment method and corresponding device |
| CN114020363B (en) * | 2021-11-15 | 2023-12-15 | 海能达通信股份有限公司 | Group attachment method and corresponding equipment |
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| CN104936154B (en) | 2018-08-03 |
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