CN104349282A - Broadcast service realization method in LTE system - Google Patents
Broadcast service realization method in LTE system Download PDFInfo
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- CN104349282A CN104349282A CN201310336620.8A CN201310336620A CN104349282A CN 104349282 A CN104349282 A CN 104349282A CN 201310336620 A CN201310336620 A CN 201310336620A CN 104349282 A CN104349282 A CN 104349282A
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Abstract
The application discloses a broadcast service realization method in an LTE system. The method includes the following steps: a core-network gateway (GW) receives a to-be-established broadcast group identification, broadcast data and a broadcast effective area from a core-network node; the GW copies the received broadcast data to a base station corresponding to the broadcast effective area and notifies the base station to establish a broadcast group; the base station sends an air-interface group paging message to UE in the broadcast effective area so as to instruct to establish the broadcast group and broadcast the broadcast data in the established broadcast group; and the UE, which receives the air-interface group paging message, directly monitors the broadcast data of the broadcast group after determining that the group of the paging message is a broadcast group. Through application of the method, broadcast services can be realized conveniently in the LTE system and the sending flexibility of broadcast signals can be enhanced.
Description
Technical field
The application relates to broadcast technology, the broadcasting service implementation method particularly in a kind of LTE system.
Background technology
In group system, broadcast & call business is a very important business, the development of LTE technology in recent years, it is also proposed some imaginations realizing broadcasting service.3GPP agreement attempts to realize multi-media broadcasting service by MBMS (Multimedia Broadcast/Multicast Service).
3GPP Release 9 proposes E-MBMS technology, improves MBMS and is limited to the performance of edge customer, by SFN(Single Frequency Network) pattern realizes each base station and adopts identical frequency spectrum resource and synchronized transmission MBMS data.The signal of wireless user terminal to different base station regards the part of multipath as, does not need to distinguish, and automatically realizes soft merging.
MBMS adopts MCH channel, adopts a transmission mechanism.Most MBMS control information is carried on MCCH.
3GPP also proposes to improve efficiency of transmission, and IP multicast is applied to carrying out MBMS data transmission, and eNBs realizes the transfer of data of MBMS-GW to eNBs by adding IP multicast group.MBMS GW sends MBMS data by IP multicast mode (employing IP multicast address).
From above-mentioned, the broadcasting service that current 3GPP proposes realizes all carrying out based on MBMS technology, but this mode can not be directed to the broadcast that zones of different carries out different content, directly can not distinguish the broadcast singal of different group, simultaneously, need mounted base station to be that unit configuration MBMS is relevant to arrange, realize complicated dumb.
Summary of the invention
This application provides the broadcasting service implementation method in a kind of LTE system, in LTE system, broadcasting service can be realized easily, and strengthen the flexibility of broadcast singal transmission.
For achieving the above object, the application adopts following technical scheme:
A broadcasting service implementation method in LTE system, comprising:
Core network gateway GW from core net node receive to set up broadcast group identification, broadcast data and broadcast effective coverage;
The broadcast data of reception is copied to the base station corresponding with the effective coverage of described broadcast by described GW, and informing base station sets up broadcast group;
Described base station sends to the UE in the effective coverage of described broadcast group page message of eating dishes without rice or wine, and is used to indicate and sets up broadcast group, and broadcasts described broadcast data in the described broadcast group set up;
Eat dishes without rice or wine described in reception the UE of group page message, after determining that the group of described beep-page message is broadcast group, directly monitors the broadcast data of described broadcast group.
Preferably, the effective coverage of described broadcast is be that unit divides according to base station, tracking area and/or community, and/or the effective coverage of described broadcast is the whole network broadcast.
Preferably, beep-page message of eating dishes without rice or wine described in is PTT Paging message;
Broadcast group is set up in described instruction: in the group type field of described PTT Paging message, be designated broadcast group;
Eat dishes without rice or wine described in the reception UE of group page message determines that the group of described beep-page message is the mode of broadcast group and is: the value extracting group type field in the PTT Paging message received, and determines that the group of this beep-page message is broadcast group when value is broadcast group.
Preferably, the group page message of eating dishes without rice or wine that described base station sends comprises the precedence information setting up broadcast group further;
Eat dishes without rice or wine described in reception the UE of group page message, before the broadcast data monitoring described broadcast group, the precedence information of more current group of monitoring and described broadcast group, when priority higher than current group of monitoring of the priority of described broadcast group, perform the broadcast data operation of the described broadcast group of described monitoring.
Preferably, comprise group further at described group page message of eating dishes without rice or wine and add indication field, be used to indicate and add the need of carrying out group;
Eat dishes without rice or wine described in the reception UE of group page message extracts described group and adds indication field from this message, add fashionable when instruction needs to carry out group, the UE monitoring this group initiates group's adition process of display, is monitoring corresponding broadcast group for notifying that core net is current; Add fashionable when instruction does not need to carry out group, the UE monitoring this group does not initiate group's adition process.
Preferably, the method comprises further: the UE monitoring described broadcast group, carries the group ID of broadcast group in the measurement report sending to network side.
Preferably, the method comprises further: the UE monitoring described broadcast group, carries the group ID of broadcast group in the TAU Request message sending to network side.
Preferably, when the UE monitoring described broadcast group roams out the broadcast effective coverage of described broadcast group, described UE points out user to shift out broadcast area, cannot receive the signal of broadcast group.
As seen from the above technical solution, in the application, core network gateway GW from core net node receive to set up broadcast group identification, broadcast data and broadcast effective coverage; The broadcast data of reception is copied to the base station corresponding with the effective coverage of described broadcast by GW, and informing base station sets up broadcast group; Base station sends to the UE in the effective coverage of described broadcast group page message of eating dishes without rice or wine, and is used to indicate and sets up broadcast group, and broadcasts described broadcast data in the broadcast group set up; Receive the UE of group page message of eating dishes without rice or wine, after determining that the group of this beep-page message is broadcast group, the directly broadcast data of this broadcast group of monitoring.By the way, the group paging in broadband cluster system can be directly utilized to carry out the foundation of broadcast group, and utilize the broadcast group set up to carry out the transmission of broadcast, broadcasting service is realized easily in LTE system, and by broadcasting the personal settings of effective coverage, strengthen the flexibility that broadcast singal sends.
Accompanying drawing explanation
Fig. 1 is the particular flow sheet of broadcasting service implementation method in the application.
Embodiment
In order to make the object of the application, technological means and advantage clearly understand, below in conjunction with accompanying drawing, the application is described in further details.
Existing LTE broadband cluster system can, by the transfer of data of existing concentrated speech business realization from GW to eNBs, not need to adopt IP multicasting technology.Aspect of eating dishes without rice or wine utilizes clustered paging mechanism, supports that the called of paging directly obtains group's resource by beep-page message, can monitor group service fast; By deciding group paging instruction with group number, paging occasion, the paging mechanism of paging channel etc., support terminal accepts the paging of multiple group simultaneously; By the periodic ranging of built vertical group mechanism, supporting lags enters user and monitors group service fast.Based on above-mentioned broadband cluster system, the group paging technology of this group system in the application, is utilized to realize the broadcasting service of LTE.Particularly, setting up a group is broadcast group, utilizes group paging to notify the data of UE listening broadcast group, realizes broadcasting service.
Fig. 1 is the particular flow sheet of broadcasting service implementation method in the application.As shown in Figure 1, the method comprises:
Step 101, core net node to core network gateway (GW) issue to set up broadcast group identification, broadcast data and broadcast effective coverage.
Initiated the foundation of broadcast group by core net node, and issue broadcast data.The definition of broadcast group can be carried out according to the mode of setting up of common group.Wherein, broadcast group is distinguished by broadcast group identification.The broadcast group set up can be the whole network broadcast group or regional broadcast group, is limited by the effective coverage of broadcast.The effective coverage of broadcast can be that unit divides according to base station, tracking area and/or community, thus realizes the setting of diversified effective coverage.Certainly, also the effective coverage of broadcast group can be set to the whole network, i.e. broadcast group is the whole network broadcast group.
Step 102, the broadcast data of reception is copied to the base station corresponding with the effective coverage of broadcasting by GW, and informing base station sets up corresponding broadcast group.
After GW receives the effective coverage of broadcast, according to the mapping relations of this region and base station, determine each base station corresponding with this region, the broadcast data of reception is copied to each base station determined, and informing base station sets up broadcast group in respective regions.
Wherein, because the effective coverage of broadcast may divide in units of base station, tracking area or community, therefore, possibility territory, a certain base station range internal zone dividing belongs to the effective coverage of broadcast, subregion does not belong to the effective coverage of broadcast, then GW needs informing base station only in the coverage belonging to broadcast effective coverage, to set up broadcast group.
Step 103, base station sends to the UE in the effective coverage of broadcast group page message of eating dishes without rice or wine, and sets up broadcast group according to the notice of GW, and carries out broadcast data transmission in the broadcast group set up.
Base station receives the broadcast data that GW copies, and according to the effective coverage that GW notifies, sends group page message of eating dishes without rice or wine, and in this beep-page message, indicate the group of foundation to be broadcast group to the UE in this region.This beep-page message can be PTT Paging message, and the parameter groupType in PTT Paging message is defined as enumerated value, comprises broadcast group and common group: Enumerated { Broadcast, NormalGroup}.When broadcast group set up by needs, the groupType value of PTT Paging message is set to broadcast group Broadcast.
In addition, for identifying the monitoring priority of this broadcast group further, can eat dishes without rice or wine to carry in group page message the precedence information of broadcast group, this information can be issued by GW by core net node.Such as, in PTT Paging message, Group Priority field is utilized to carry the precedence information of group.
Step 104, receives the UE of group page message of eating dishes without rice or wine, after determining that the group of beep-page message is broadcast group, and the directly broadcast data of this broadcast group of monitoring.
After wireless user terminal (UE) receives group page message of eating dishes without rice or wine, if the groupType of group is Broadcast, UE determines that this group is broadcast group, it is not whether the restriction of signing group by this group, such as, whether this group is arranged in the signing group list of subset, and UE can directly monitor.If UE has been in the listening state of other group service, UE can carry out principle judgement according to the priority of the priority of original group service and broadcast group, determines whether monitor this broadcast group.
In addition, add indication field eating dishes without rice or wine to can further include group in group message, be used to indicate and add the need of carrying out group, thus the broadcast group at notice this UE of core net place can be added by group.Such as, be that True and False represents that needing to carry out group adds and do not need to carry out group and add by the value of Join indicator in PTT Paging message.Instruction in PTT Paging is needed to carry out the broadcast group that group adds (Join indicator=True), needs when UE monitors this group to initiate explicit Group Join process; To indicating the group adding (Join indicator=False) without the need to carrying out group in PT TPaging, without the need to initiating Group Join process when UE monitors this group.
Be set to not need to carry out group add fashionable when the group of eating dishes without rice or wine in group message being added indication field, can avoid in super broadcast group greatly, numerous UE initiates group's adition process simultaneously, can cause signaling storm, influential system performance.
In addition, during UE listening broadcast group, UE can also send to the Group ID informing network side of carrying broadcast group in the measurement report Measurement Report of core net or TAU Request message.
Meanwhile, when roaming out the broadcast effective coverage of broadcast group when UE listening broadcast group, UE points out user to shift out broadcast area, cannot receive the signal of broadcast group.
So far, the broadcasting service implementation method in the application terminates.From the specific implementation of above-mentioned the application, broadcasting service implementation method in the application, its wired side process is similar with common group service process, process fast and flexible, simultaneously very little for the change of idle message, user terminal processes principle is identical with common group service, only needs to do special processing to broadcast type; In addition, also support to be configured broadcast group, support the whole network and zonal broadcast, the broadcast realized compared to MBMS technology is more flexible.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (8)
1. the broadcasting service implementation method in LTE system, is characterized in that, comprising:
Core network gateway GW from core net node receive to set up broadcast group identification, broadcast data and broadcast effective coverage;
The broadcast data of reception is copied to the base station corresponding with the effective coverage of described broadcast by described GW, and informing base station sets up broadcast group;
Described base station sends to the UE in the effective coverage of described broadcast group page message of eating dishes without rice or wine, and is used to indicate and sets up broadcast group, and broadcasts described broadcast data in the described broadcast group set up;
Eat dishes without rice or wine described in reception the UE of group page message, after determining that the group of described beep-page message is broadcast group, directly monitors the broadcast data of described broadcast group.
2. method according to claim 1, is characterized in that, the effective coverage of described broadcast is be that unit divides according to base station, tracking area and/or community, and/or the effective coverage of described broadcast is the whole network broadcast.
3. method according to claim 1, is characterized in that, described in beep-page message of eating dishes without rice or wine be PTT Paging message;
Broadcast group is set up in described instruction: in the group type field of described PTT Paging message, be designated broadcast group;
Eat dishes without rice or wine described in the reception UE of group page message determines that the group of described beep-page message is the mode of broadcast group and is: the value extracting group type field in the PTT Paging message received, and determines that the group of this beep-page message is broadcast group when value is broadcast group.
4. method according to claim 1, is characterized in that, the group page message of eating dishes without rice or wine that described base station sends comprises the precedence information setting up broadcast group further;
Eat dishes without rice or wine described in reception the UE of group page message, before the broadcast data monitoring described broadcast group, the precedence information of more current group of monitoring and described broadcast group, when priority higher than current group of monitoring of the priority of described broadcast group, perform the broadcast data operation of the described broadcast group of described monitoring.
5. method according to claim 1, is characterized in that, comprises group further add indication field at described group page message of eating dishes without rice or wine, and is used to indicate and adds the need of carrying out group;
Eat dishes without rice or wine described in the reception UE of group page message extracts described group and adds indication field from this message, add fashionable when instruction needs to carry out group, the UE monitoring this group initiates group's adition process of display, is monitoring corresponding broadcast group for notifying that core net is current; Add fashionable when instruction does not need to carry out group, the UE monitoring this group does not initiate group's adition process.
6. method according to claim 1, is characterized in that, the method comprises further: the UE monitoring described broadcast group, carries the group ID of broadcast group in the measurement report sending to network side.
7. method according to claim 1, is characterized in that, the method comprises further: the UE monitoring described broadcast group, carries the group ID of broadcast group in the TAU Request message sending to network side.
8. method according to claim 1, is characterized in that, when the UE monitoring described broadcast group roams out the broadcast effective coverage of described broadcast group, described UE points out user to shift out broadcast area, cannot receive the signal of broadcast group.
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Cited By (7)
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| CN106856595A (en) * | 2015-12-09 | 2017-06-16 | 北京信威通信技术股份有限公司 | Based on the IP multicast broadcast service transmission methods that B-TrunC groups are exhaled |
| CN108989972A (en) * | 2017-06-02 | 2018-12-11 | 成都鼎桥通信技术有限公司 | Broadcast group based on regional location exhales processing method and processing device |
| CN109429185A (en) * | 2017-08-30 | 2019-03-05 | 成都鼎桥通信技术有限公司 | MBSFN group signaling method and device |
| CN110139223A (en) * | 2018-02-02 | 2019-08-16 | 海能达通信股份有限公司 | Phone group's method for building up, base station, terminal and communication system |
| WO2020210930A1 (en) * | 2019-04-15 | 2020-10-22 | 海能达通信股份有限公司 | Trunked communication-based multicast service execution method, and related apparatus |
| CN111836205A (en) * | 2019-04-15 | 2020-10-27 | 海能达通信股份有限公司 | Multicast service implementation method based on cluster communication and related equipment |
| CN114982316A (en) * | 2020-12-26 | 2022-08-30 | 北京小米移动软件有限公司 | Paging advance notice indication method and device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106856595A (en) * | 2015-12-09 | 2017-06-16 | 北京信威通信技术股份有限公司 | Based on the IP multicast broadcast service transmission methods that B-TrunC groups are exhaled |
| CN108989972A (en) * | 2017-06-02 | 2018-12-11 | 成都鼎桥通信技术有限公司 | Broadcast group based on regional location exhales processing method and processing device |
| CN108989972B (en) * | 2017-06-02 | 2021-01-26 | 成都鼎桥通信技术有限公司 | Method and device for processing broadcast group call based on area position |
| CN109429185A (en) * | 2017-08-30 | 2019-03-05 | 成都鼎桥通信技术有限公司 | MBSFN group signaling method and device |
| CN109429185B (en) * | 2017-08-30 | 2021-08-03 | 成都鼎桥通信技术有限公司 | MBSFN group signaling sending method and device |
| CN110139223A (en) * | 2018-02-02 | 2019-08-16 | 海能达通信股份有限公司 | Phone group's method for building up, base station, terminal and communication system |
| CN110139223B (en) * | 2018-02-02 | 2021-11-02 | 海能达通信股份有限公司 | Call group establishment method, base station, terminal and communication system |
| WO2020210930A1 (en) * | 2019-04-15 | 2020-10-22 | 海能达通信股份有限公司 | Trunked communication-based multicast service execution method, and related apparatus |
| CN111836205A (en) * | 2019-04-15 | 2020-10-27 | 海能达通信股份有限公司 | Multicast service implementation method based on cluster communication and related equipment |
| CN111836205B (en) * | 2019-04-15 | 2022-05-17 | 海能达通信股份有限公司 | Multicast service implementation method based on cluster communication and related equipment |
| CN114982316A (en) * | 2020-12-26 | 2022-08-30 | 北京小米移动软件有限公司 | Paging advance notice indication method and device |
| CN114982316B (en) * | 2020-12-26 | 2024-04-02 | 北京小米移动软件有限公司 | Paging forecast indication method and device |
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