CN102595331B - A kind of method and system for indicating MBMS business carrier wave - Google Patents
A kind of method and system for indicating MBMS business carrier wave Download PDFInfo
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- CN102595331B CN102595331B CN201110020986.5A CN201110020986A CN102595331B CN 102595331 B CN102595331 B CN 102595331B CN 201110020986 A CN201110020986 A CN 201110020986A CN 102595331 B CN102595331 B CN 102595331B
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Abstract
The present invention, which discloses, carrys out a kind of method and system for indicating MBMS business carrier wave, including：By the main plot (Pcell) of user terminal (UE) or the system information block (SIB) of principal component carrier wave (CC), the MBMS business distributed intelligence of the CC of bearing multimedia broadcast multicast in carrier aggregation system (MBMS) business or cell is sent to the UE.By the present invention, UE can know the CC of bearing MBMS service in system or the configuring condition of the MBMS business of cell in the main plot of itself or main CC.
Description
Technical field
The present invention relates to multi-carrier aggregation system, particularly relates to a kind of method and system for indicating MBMS business carrier wave.
Background technology
With the fast development of internet and the popularization of giant-screen multi-functional mobile phone, there are a large amount of mobile data multimedias
Business and various high bandwidth multimedia services, such as：Video conference, television broadcasting, video on demand, video ads, online education,
Interactive game etc., not only meets the business demand that mobile subscriber constantly rises, while also brings new industry for mobile operator
Business growth point.The multiple users of these mobile data multimedia service requirements can receive identical data at the same time, with general data
Business is compared, and has the characteristics that data volume is big, the duration is long, delay sensitive.
In order to effectively utilize mobile network resource, third generation partner program (3GPP, 3rd
GenerationPartnership Project) propose multimedia broadcast multi-broadcasting business (MBMS, Multimedia
BroadcastMulticast Service), which is a kind of technology that data are transmitted from a data source to multiple targets,
The shared of network (including core net and access net) resource is realized, improves Internet resources (especially air interface resource)
Utilization rate.The MBMS business that 3GPP is defined can not only realize message class multicast and the broadcast of plain text low rate, additionally it is possible to real
The broadcast of existing high-speed multimedia service and multicast, there is provided a variety of abundant video, audio and multimedia services, this is undoubtedly complied with
The trend of following mobile data development, provides preferably for the development of third generation digital communication (3G, 3rd Generation)
Business prospect.
In LTE-A, multi-carrier polymerizing technology is introduced, i.e. a position is covered by the carrier wave of multiple and different frequencies (section)
Cover, can be continuous or discrete between these carrier frequencies, network side is at the same time using two or more carrier waves
One UE sends data.UE receives data on two or more carrier wave at the same time.According to current standard formulation into
Degree, conclusion below is adopted by normal structure, and writes corresponding agreement.
Multi-carrier polymerizing technical stipulation is as follows：
- each UE at least supports the polymerization of 2 component carriers (CC, Component Carrier)；
- network side indicates that CC is the main plot (Pcell, Primary Cell) of the UE for UE distribution, those CC are
The secondary cell (Scell, Secondary Cell) of the UE；
The UE of-idle condition is resided in the Pcell of oneself；
- Pcell is active all the time；
- network side can be closed and (also referred to as deactivated, also represented with deactivate) and open and (also referred to as activate, also use
Activate is represented) Scell of UE；
- UE does not receive Physical Downlink Control Channel (PDCCH, Physical in the Scell of closing
DownlinkControl Channel)；
- UE does not receive Physical Downlink Shared Channel (PDSCH, Physical in the Scell of closing
DownlinkShared Channel)；
- UE is in the Scell of closing without channel quality measurement (CQI, the ChannelQuality of descending carrier
Indicator) measure；
- Scell initial defaults state is deactivation；
- UE receives broadcast control information (BCCH, Broadcast Control Channel) and paging only in Pcell
Message (Paging message)；
- UE retrieves the Catalog Search region of PDCCH not in Scell.
Based on above-mentioned conclusion our analyses find there are it is following the problem of：Assuming that in a carrier aggregation system, there are 3
CC, is denoted as CC1, CC2, CC3 respectively；It is further assumed that the MBMS business that multiple cell is wherein carried out using CC2 is sent.Such as
One multimedia broadcasting and multicast Single Frequency Network (MBSFN, Multimedia Broadcast using carrier aggregation technology
Multicast service Single Frequency Network) region be used CC2 send MBMS business, CC1 and
There is no bearing MBMS service in CC3.Within the system, the Pcell of some UE is configured as CC1, the Pcell of some UE is configured
For CC2 or CC3.
Above-mentioned scene is a common scene in carrier aggregation is the system of major technique, but above-mentioned scene is deposited
In some problems：According to existing carrier aggregation technology code requirement, UE can only be received and monitored in the Pcell of oneself
The Catalog Search region of PDCCH, can only receive BCCH, such as SystemInformationBlockType13 in Pcell
(SIB13, system information block 13).
If after the above-mentioned multicarrier system of UE access, its Pcell is CC2, then UE can receive the BCCH of CC2, obtain
SIB13, so that the content reception MBMS business in SIB13.But if after the UE access multicarrier system, its Pcell
For CC1, then UE can only then receive the BCCH of CC1.And due to bearing MBMS service in CC1, so not having in BCCH in CC1
Configuration send SIB13, in this way, UE can not be just known in the multicarrier system, there is MBMS business transmission in CC2, cause UE without
Method receives MBMS business in CC2, have impact on the user experience that the UE receives MBMS business.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of method and system for indicating MBMS business carrier wave, energy
UE is enough set to know the CC of bearing MBMS service in system or the MBMS business of cell in the main plot of itself or main CC
Configuring condition.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
The present invention provides a kind of method for indicating MBMS business carrier wave, this method includes：
By the main plot (Pcell) of user terminal (UE) or the system information block (SIB) of principal component carrier wave (CC), will carry
The CC of bearing multimedia broadcast multicast (MBMS) business or the MBMS business distributed intelligence of cell are sent to institute in ripple paradigmatic system
State UE.
Further, the system information block is SIB13.
Further, the SIB of the main plot or main CC include：This CC or MBMS of cell configurations and carrier aggregation
In system in addition to this CC or cell the CC of other bearing MBMS services or cell MBMS business distributed intelligence.
Further, the MBMS business distributed intelligence includes：The identification information, and/or corresponding MBMS of CC or cell
Configuration.
Further, the CC or the identification information of cell are：The instruction index of access frequency point information or CC or cell
Number or the CC or cell ID of cell.
Further, the MBMS configurations include：MBSFN regions ID (MBSFN-AreaId), non-MBSFN length of field
(non-MBSFNregionLength), notification message indicator (notificationIndicator) and MCCH configuration informations
In one or more.
Further, the MCCH configuration informations include：The MCCH repetition periods (MCCH-RepetitionPeriod),
MCCH offsets (MCCH-Offset), MCCH modifications cycle (MCCH-ModificationPeriod), MCCH subframes instruction (sf-
) and the one or more in the MCS that use of MCCH AllocInfo.
Present invention also offers a kind of system for indicating MBMS business carrier wave, including：
Analysis module, for determining the CC or cell of bearing MBMS service in carrier aggregation system；
Indicating module, for being indicated in the system information block of the main plot of UE or main CC (SIB) by carrier aggregation system
The CC of middle bearing MBMS service or the MBMS business distributed intelligence of cell；
Sending module, for the SIB to be sent to UE.
Further, the system information block is SIB13.
Further, the SIB of the main plot or main CC include：This CC or MBMS of cell configurations and carrier aggregation
In system in addition to this CC or cell the CC of other bearing MBMS services or cell MBMS business distributed intelligence.
The method and system of present invention instruction MBMS business carrier wave, in carrier aggregation system, by CC or cell
Which CC or cell bearing MBMS service in instruction system in system information, and configuration of the MBMS business in the CC or cell
Situation.In this way, UE can know in the main plot (Pcell) of itself CC or cell of bearing MBMS service in system
The configuring condition of MBMS business；In this way, even if not having MBMS business transmission in main plot current UE, UE can also be small according to master
The system information in area obtains the CC of bearing MBMS service or the information of cell, switches over, to complete the reception of MBMS business.
Brief description of the drawings
Fig. 1 is the method schematic diagram that the embodiment of the present invention one indicates MBMS business carrier wave；
Fig. 2 is the method schematic diagram that the embodiment of the present invention two indicates MBMS business carrier wave；
Fig. 3 is the method schematic diagram that the embodiment of the present invention three indicates MBMS business carrier wave；
Fig. 4 is the method schematic diagram that the embodiment of the present invention four indicates MBMS business carrier wave；
The system structure diagram of Fig. 5 present invention instruction MBMS business carrier waves.
Embodiment
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
The present invention indicates that the basic thought of MBMS business carrier wave is：In carrier aggregation system, in one or more CC
Or (SI, System Information, in LTE, system information (block) is transmitted in BCCH to the system information of cell
) in which CC or cell bearing MBMS service in instruction system, and configuring condition of the MBMS business in the CC or cell.
In this way, UE can know the CC of bearing MBMS service in system or the MBMS industry of cell in the main plot (Pcell) of itself
The configuring condition of business.Wherein, network side can be that UE configures a main plot or principal component carrier wave, so each in system
A component carrier may all be configured as main plot or the principal component carrier wave of a certain UE.
Specifically, by the main plot (Pcell) of UE or the system information block of main CC, will be carried in carrier aggregation system
The CC of MBMS business or the MBMS business distributed intelligence of cell are sent to UE.
Wherein, MBMS business distributed intelligence includes：CC or the configuration of the identification information of cell, and/or corresponding MBMS.Need
If there are multiple MBSFN regions in a CC or cell in, it is noted that, then organized in units of each MBSFN region
There are multigroup MBMS configurations in corresponding MBMS configurations, the CC or cell.
Wherein, CC or the identification information of cell are：The instruction call number or CC of access frequency point information or CC or cell
Or the cell ID of cell；
MBMS configurations include：MBSFN regions ID (MBSFN-AreaId), non-MBSFN length of field (non-
MBSFNregionLength), one in notification message indicator (notificationIndicator) and MCCH configuration informations
Kind is a variety of.
MCCH configuration informations include：MCCH repetition periods (MCCH-RepetitionPeriod), MCCH offsets (MCCH-
Offset), MCCH change the cycle (MCCH-ModificationPeriod), MCCH subframes instruction (sf-AllocInfo) and
One or more in the MCS (signallingMCS) that MCCH is used.
Wherein, the SIB of main plot or main CC include：Removed in this CC or MBMS of cell configurations and carrier aggregation system
This CC or the outer CC of other bearing MBMS services of cell or the MBMS business distributed intelligence of cell：CC or the identification information of cell,
And/or corresponding MBMS configurations.
For example, if the Pcell of UE is the CC or cell of no bearing MBMS service, in no bearing MBMS service
In CC or the system information block of cell, the MBMS business distributed intelligence of the CC of bearing MBMS service or cell in transmission system.
Specifically, it can be transmitted by system information block (such as SIB13).In this way, even if UE access is to without carrying MBMS industry
In the CC or cell of business, it can know in MBSFN regions have in which CC or cell rapidly by reception system block of information
MBMS business, and the situation of corresponding MBMS configurations.
If the Pcell of UE is the CC or cell of bearing MBMS service, it is in the CC or cell of bearing MBMS service
In block of information of uniting, send the MBMS business of the CC of other bearing MBMS services or cell in this CC or cell, and/or system and be distributed
Information.It can be specifically transmitted by system information block (such as SIB13).In this way, after UE access is into the CC, by connecing
The feelings for having the MBMS configurations in MBMS business and corresponding CC in system in which CC can be known rapidly by receiving system information block
Condition, the CC of itself access is adjusted easy to UE, selects the MBMS business of hobby to receive.
Preferably, said system block of information uses SIB13.
It follows that UE can know the CC of bearing MBMS service in system in the main plot (Pcell) of itself, and
The situation of corresponding MBMS configurations, required MBMS business is selected easy to UE in time.
Illustrate technical scheme below by specific embodiment, for convenience, subsequently by taking CC as an example,
It is identical for the processing mode of cell and the processing mode of CC.
Embodiment one
It is as shown in Figure 1 a system with 4 CC polymerizations, wherein 4 CC remember respectively assuming that there is a carrier aggregation system
For CC1, CC2, CC3 and CC4, wherein bearing MBMS service in CC1, CC2 and CC3, CC4 does not have bearing MBMS service.
According to the present invention, it is necessary to which system information block (such as SIB13) is divided into two parts, a portion is used for describing this CC
MBMS configurations, another part is used for describing the MBMS business distributed intelligence of the CC of other bearing MBMS services in addition to this CC.
By taking CC1 as an example, MBMS business is carried in CC1, then needs to indicate this CC, i.e. in the system information block of CC1
The MBMS configurations of CC1, while also need to indicate in system in addition to CC1, the CC of other bearing MBMS services (is in the present embodiment
CC2, CC3) MBMS business distributed intelligence.In the embodiment, MBMS business distributed intelligence includes：The mark and correspondence of CC
MBMS configuration.
If there are multiple MBSFN regions in CC1, CC2 or CC3, then organize to correspond in units of each MBSFN region
MBMS configurations, then there is multigroup MBMS to configure in CC1, CC2 or CC3.
In this way, can know during UE access CC1 has MBMS business send and these CC in which CC in system
The configuring condition of MBMS business.
The configuration of the system information block of CC2, CC3 is identical with the configuration mode of CC1, and details are not described herein again.
For CC4, it does not have bearing MBMS service, it is proposed, according to the invention, this CC's described in the system information block of CC4
MBMS is configured to sky；In addition, it is also necessary to indicate other bearing MBMS services in addition to CC4 CC (in the present embodiment for CC1,
CC2, CC3) MBMS business distributed intelligence.In this way, it can know in system there is MBMS business in which CC during UE access CC4
The configuring condition of the MBMS business of transmission and these CC, while can also know in CC4 and be sent without MBMS business.
Embodiment two
Being illustrated in figure 2 one has the system of 4 CC polymerizations, wherein 4 CC are denoted as CC1, CC2, CC3 and CC4 respectively, its
Bearing MBMS service in middle CC1, CC2 and CC3, CC4 do not have bearing MBMS service.
In the carrier aggregation system, the system information block middle finger of only CC1 shows that other are all in addition to this CC in system
The MBMS business of the CC (being CC2 and CC3 in the present embodiment) of bearing MBMS service divides information, includes the mark and correspondence of CC
MBMS configuration；And other all carrying MBMS in addition to this CC are indicated in system in the system information block of CC2, CC3 and CC4
The mark of the CC of business, but do not provide specific MBMS configurations.This mode can reduce the letter of the system information in CC
Make expense.
Embodiment three
Being illustrated in figure 3 one has the system of 4 CC polymerizations, wherein 4 CC are denoted as CC1, CC2, CC3 and CC4 respectively, its
Bearing MBMS service in middle CC1, CC2 and CC3, CC4 do not have bearing MBMS service.
In the carrier aggregation system, the system information block middle finger of only CC1 shows that other are all in addition to this CC in system
The MBMS business of the CC (being CC2 and CC3 in the present embodiment) of bearing MBMS service divides information, includes the mark and correspondence of CC
MBMS configuration；And also indicated out in the system information block of CC2, CC3 and CC4 in addition to the MBMS configurations for indicating book CC
The mark (because only that the system information block middle finger of CC1 shows the CC of all bearing MBMS services) of CC1, but do not provide
Specific MBMS configurations.UE reads system information block, and as needed and CC1 mark is switched to CC1, it is possible to knows system
In all bearing MBMS services CC MBMS business distributed intelligence.This mode can reduce the signaling of the system information in CC
Expense.
Example IV
Being illustrated in figure 4 one has the system of 4 CC polymerizations, wherein 4 CC are denoted as CC1, CC2, CC3 and CC4 respectively, its
Bearing MBMS service in middle CC1, CC2 and CC3, CC4 do not have bearing MBMS service.
In the carrier aggregation system, other institutes in addition to this CC are only indicated in system in the system information block of each CC
There is the mark of the CC of bearing MBMS service, do not provide corresponding MBMS configurations.UE read system information block, as needed and
The mark of CC is switched to target CC, so as to receive MBMS business.The signaling that this mode can reduce the system information in CC is opened
Pin.
In order to realize the above method, present invention also offers a kind of system for indicating MBMS business carrier wave, as shown in figure 5,
Including：
Analysis module, for determining the CC or cell of bearing MBMS service in carrier aggregation system；
Indicating module, for being indicated in the system information block of the main plot of UE or main CC (SIB) by carrier aggregation system
The CC of middle bearing MBMS service or the MBMS business distributed intelligence of cell；
Sending module, for the SIB to be sent to UE.
Wherein, system information block SIB13；The SIB of main plot or main CC include：This CC or the MBMS of cell configuration and
In carrier aggregation system in addition to this CC or cell the CC of other bearing MBMS services or cell MBMS business distributed intelligence.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
- A kind of 1. method for indicating MBMS business carrier wave, it is characterised in that this method includes：By the system information block SIB of the main plot Pcell or principal component carrier wave CC of user's terminal UE, by carrier aggregation system The CC of bearing multimedia broadcast multicast MBMS business or the MBMS business distributed intelligence of cell are sent to the UE；Wherein, the MBMS distributed intelligences include：The CC of bearing MBMS service or the identification information of cell in carrier aggregation system, And/or corresponding MBMS configurations, the MBMS configurations include：MBSFN regions ID (MBSFN-AreaId), non-MBSFN length of field (non-MBSFNregionLength), the MCS that MCCH subframes instruction (sf-AllocInfo) and MCCH are used；The SIB of the main plot or main CC include：This CC or MBMS of cell configurations, and in carrier aggregation system except this CC or The outer CC of other bearing MBMS services of cell or the MBMS business distributed intelligence of cell.
- 2. the method for MBMS business carrier wave is indicated according to claim 1, it is characterised in that the system information block is SIB13。
- 3. the method for MBMS business carrier wave is indicated according to claim 1, it is characterised in that the mark of the CC or cell is believed Cease and be：Access frequency point information or CC or the instruction call number or CC of cell or the ID of cell.
- 4. the method for MBMS business carrier wave is indicated according to claim 1, it is characterised in that the MBMS configurations further include： One or more in notification message indicator (notificationIndicator) and MCCH configuration informations.
- 5. the method for MBMS business carrier wave is indicated according to claim 4, it is characterised in that the MCCH configuration informations bag Include：MCCH repetition periods (MCCH-RepetitionPeriod), MCCH offsets (MCCH-Offset), MCCH modification cycles (MCCH-ModificationPeriod) one or more in.
- A kind of 6. system for indicating MBMS business carrier wave, it is characterised in that including：Analysis module, for determining the CC or cell of bearing MBMS service in carrier aggregation system；Indicating module, for indicating to carry in carrier aggregation system in the system information block SIB of the main plot of UE or main CC The CC of MBMS business or the MBMS business distributed intelligence of cell, wherein, the MBMS distributed intelligences include：In carrier aggregation system The CC of bearing MBMS service or the identification information of cell, and/or corresponding MBMS configurations, the MBMS configurations include：MBSFN areas Domain ID (MBSFN-AreaId), non-MBSFN length of field (non-MBSFNregionLength), MCCH subframes instruction (sf- AllocInfo) and the MCS that use of MCCH, the SIB of the main plot or main CC include：This CC or MBMS of cell configurations, and In carrier aggregation system in addition to this CC or cell the CC of other bearing MBMS services or cell MBMS business distributed intelligence；Sending module, for the SIB to be sent to UE.
- 7. the system of MBMS business carrier wave is indicated according to claim 6, it is characterised in that the system information block is SIB13。
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| CN102843648B (en) * | 2011-06-20 | 2017-12-15 | 中兴通讯股份有限公司 | The method and device of MBMS control information is transmitted in multi-carrier aggregation system |
| CN106470400B (en) * | 2015-08-14 | 2020-11-20 | 中兴通讯股份有限公司 | Resource allocation method, system and device for single-cell multicast control channel |
| WO2017088120A1 (en) * | 2015-11-25 | 2017-06-01 | Qualcomm Incorporated | Techniques of constructing and decoding mbsfn subframes |
| EP3445070B1 (en) * | 2016-05-06 | 2021-07-07 | Huawei Technologies Co., Ltd. | Multicast service receiving method, multicast service sending method, apparatus and system |
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| CN101296028B (en) * | 2007-04-25 | 2012-11-21 | 大唐移动通信设备有限公司 | Method and device for special carrier transmitting multimedia broadcast multicast service, and transmission system |
| CN102077615B (en) * | 2009-05-27 | 2013-06-05 | 华为技术有限公司 | A method and apparatus for transferring and acquiring the multimedia broadcast multicast service control information |
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