CN103260133B - Mark transmission, acquisition methods and evolution base station, terminal and communication system - Google Patents
Mark transmission, acquisition methods and evolution base station, terminal and communication system Download PDFInfo
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- CN103260133B CN103260133B CN201310134348.5A CN201310134348A CN103260133B CN 103260133 B CN103260133 B CN 103260133B CN 201310134348 A CN201310134348 A CN 201310134348A CN 103260133 B CN103260133 B CN 103260133B
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
Abstract
The present embodiments relate to a kind of mark transmission, acquisition methods and evolution base station, terminal and communication system, wherein mark sending method includes: obtain the area identification of multimedia broadcast-multicast service SFN MBSFN；The relevant information of described area identification is sent to terminal；Sign acquiring method includes: obtain the area identification relevant information of MBSFN；According to described area identification relevant information, obtain the area identification of MBSFN.The embodiment of the present invention identifies relevant information by sending zone so that UE can obtain area identification, it is possible to is decoded pilot tone, and then carries out channel estimation.
Description
Technical field
The present invention relates to field of wireless communication, particularly relate to a kind of mark send, acquisition methods and evolution base station, terminal and
Communication system.
Background technology
Long evolving system (Long Term Evolution, LTE) is that third generation partner program (3GPP) is made
Fixed wireless communication standard of future generation, its advantage is to have the higher availability of frequency spectrum and transmission speed, relatively low propagation delay time
Deng.Downlink communication business is divided into two big classes by 3GPP: unicast service and multimedia broadcast-multicast service (Multimedia
Broadcast Multicast Service, MBMS), wherein unicast service refers to that a data source is sent out to a terminal (UE)
The data point to point service, PTP sent, MBMS refers to the data point-to-multipoint service that a data source sends to multiple UE.Introduce MBMS
Purpose be to realize network resources locating, this network includes core net and wireless access network, real with the fewest resource
Now multimedia UE having same requirements as much as possible is serviced.In wireless access network, MBMS believes by using common transmission
Road and public wireless carrying, can realize multicast and the broadcast of the message class of plain text low rate, also can realize higher rate
The multicast of multimedia service and broadcast.
Currently for MBMS, the specification 36.300 of 3GPP is supported two kinds of cell transmission modes: one is multiple cell
Transmission means, the most multiple communities same frequency sending MBMS simultaneously；Another kind is that single cell transmission mode, i.e. single subdistrict send
MBMS, and do not consider the transmission situation of other communities.The data-transmission mode of MBMS includes two kinds: a kind of for mixed carrier
(Mixed Carrier, MC) pattern, i.e. MBMS and unicast service is used in conjunction with identical carrier-wave transmission data, and another kind is special
Carrier-wave transmission data are independently used by carrier wave (Dedicated Carrier, DC) pattern, i.e. MBMS.
Above-mentioned multiple cell transmission means introduces multimedia broadcast-multicast service SFN (Multimedia
Broadcast Multicast Service Single Frequency Network, MBSFN) transmission mode, MBSFN is
A kind of transmission technology simultaneously broadcasted, is next real by transmitting the identical signal waveform coming from multiple community within the identical time
Existing, the MBSFN transmission coming from the multiple communities in a MBSFN region can regard the single transmission to UE as.MBSFN district
Territory is defined as: a MBSFN region comprises one group of community, and this group community be all located in network same can coordinate into
The MBSFN synchronization zone of row MBSFN transmission.Community in MBSFN synchronization zone can be the part in multiple MBSFN region, often
Individual MBSFN region is distinguish between by transferring content and the community participated in.
For MBMS, when being transmitted on the physical channel, need physical layer pilot to carry out channel estimation.For
The transmission of MBSFN pattern, in prior art, pilot tone cannot be decoded by UE, and then cannot be carried out channel estimation..
Summary of the invention
The embodiment of the present invention provides one mark transmission, acquisition methods and evolution base station, terminal and communication system so that use
Family terminal can obtain the area identification of MBSFN.
Embodiments provide a kind of mark sending method, including:
Obtain the area identification of multimedia broadcast-multicast service SFN MBSFN；
The relevant information of described area identification is sent to terminal.
Embodiments provide a kind of method identifying acquisition, including:
Obtain the area identification relevant information of multimedia broadcast-multicast service SFN MBSFN；
According to described area identification relevant information, obtain the area identification of MBSFN.
Embodiments provide a kind of evolution base station, including:
Acquisition module, for obtaining the area identification of multimedia broadcast-multicast service SFN MBSFN；
Sending module, for sending described area identification relevant information to terminal.
Embodiments provide a kind of terminal, including:
Acquisition module, for obtaining the area identification relevant information of multimedia broadcast-multicast service SFN MBSFN；
Area identification acquisition module, for according to described area identification relevant information, obtaining the area identification of MBSFN.
Embodiments provide a kind of communication system, including: evolution base station, this evolution base station includes: acquisition module,
For obtaining the area identification of multimedia broadcast-multicast service SFN MBSFN；Sending module, for sending described district to terminal
Domain identifier relevant information；And terminal, this terminal includes acquisition module, is used for obtaining multimedia broadcast-multicast service SFN
The area identification relevant information of MBSFN；Area identification acquisition module, for according to described area identification relevant information, obtains
The area identification of MBSFN.
The embodiment of the present invention identifies relevant information by sending zone so that UE gets the area identification of MBSFN, and then
Make UE can carry out pilot tone decoding and channel is estimated.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention identifies sending method one embodiment；
Fig. 2 is the flow chart of sign acquiring method one embodiment of the present invention；
Fig. 3 is that the present invention identifies sending method and the flow chart of another embodiment of sign acquiring method；
Fig. 4 is that the present invention identifies sending method and the flow chart of another embodiment of sign acquiring method；
Fig. 5 is that the present invention identifies sending method and the flow chart of another embodiment of sign acquiring method；
Fig. 6 is that the present invention identifies sending method and the flow chart of another embodiment of sign acquiring method；
Fig. 7 is that the present invention identifies sending method and the flow chart of another embodiment of sign acquiring method；
Fig. 8 is that the present invention identifies sending method and the flow chart of another embodiment of sign acquiring method；
Fig. 9 is the structural representation of evolution base station one embodiment of the present invention；
Figure 10 is the structural representation of terminal one embodiment of the present invention；
Figure 11 is the structural representation that communication system of the present invention unifies embodiment.
Detailed description of the invention
Below by drawings and Examples, the technical scheme of the embodiment of the present invention is described in further detail.
For MBMS, when being transmitted on the physical channel, need physical layer pilot to carry out channel estimation.Its
In, physical layer, when generating pilot tone, is adopted with the following method (36.211 agreement 8.3.0 version):
In formula (1),Represent pilot tone, nsFor the timeslot number (0 or 1) in radio frames, l is correspondence in this time slot
OFDM (Orthogonal Frequency Division Multiplexing, OFDM) symbolic number (0 to 6 or 0 to
3)；For maximum downstream band width configuration, it is expressed as the multiple of frequency domain resource block (RB) size；C (i) is pseudo-random sequence,
This sequence is initialized by following formula:
Visible, the area identification of MBSFNIt is the key generating pilot tone, it is therefore desirable toParticipating in could be correct
Solution pilot tone.
As it is shown in figure 1, identify the flow chart of sending method one embodiment for the present invention, specifically include following steps:
Step 101, the area identification of acquisition multimedia broadcast-multicast service SFN MBSFN；
Step 102, the relevant information identified to UE sending zone.
Wherein, the relevant information of area identification can be the information of carrier area mark, it is also possible to for having with area identification
The information of corresponding relation.
This embodiment is applied in MBMS, and Ke Yiwei: O&M or multicast coordination entity (Multi-cell/
Multicast Coordination Entity, is called for short: MCE) eNB in administrative MBSFN region sends MBSFN region mark
Know；ENB obtains the area identification of MBSFN；ENB sends the relevant information of this area identification to UE.
The embodiment of the present invention is by being sent to eNB by the area identification of MBSFN, by eNB by the relevant information of area identification
It is sent to UE so that UE can obtain area identification.
As in figure 2 it is shown, be the flow chart of sign acquiring method one embodiment of the present invention, specifically include following steps:
The area identification relevant information of the MBSFN that step 201, acquisition eNB send；
Step 202, according to area identification relevant information, obtain the area identification of MBSFN.
Further, this embodiment is applied in MBMS, and UE receives the area identification phase that the eNB of MBMS community sends
Pass information, according to this area identification relevant information, obtains the area identification of MBSFN.
As it is shown on figure 3, identify sending method and the flow chart of another embodiment of sign acquiring method, the present invention for the present invention
Embodiment can be used for the transmission mode of MC and DC, specifically includes following steps:
Step 301, O&M are semi-statically configured the region of MBSFN, and the area identification of MBSFN is sent to institute in MBSFN region
There is the eNB of MBMS community；
In this step, it is also possible to sent MBSFN area identification by MCE eNB in administrative MBSFN region.
Step 302, the eNB of current MBMS community receive the MBSFN area identification belonging to current MBMS community；
MBSFN area identification is carried in the cell of BCCH, and is sent to by step 303, the eNB of current MBMS community
UE。
Step 304, UE receive the letter of the BCCH carrying area identification of the eNB transmission of the most resident MBMS community
Unit；
The pilot tone of the BCCH of this community, according to the mark of the most resident MBMS community, is decoded by step 305, UE,
Obtain the content of BCCH；
Step 306, from the cell of BCCH obtain area identification.
Above-mentioned steps 301～303 describes mark and sends, and step 304～306 describes the process that mark obtains.
Wherein, system message belongs to BCCH cell, and the eNB in MBSFN region can be transmitted by system message broadcast MBSFN
Wireless parameter configuration, i.e. broadcast MBSFN subframe configuration information (MBSFN-Subframe), this MBSFN sub-frame configuration information is
Distribution, for the Radio Resource of MBSFN, configures cell list (MBSFN-including MBSFN sub-frame
SubframeConfigList), this MBSFN sub-frame configuration cell list comprises more than one MBSFN sub-frame configuration cell
(MBSFN-SubframeConfig), the configuration information in each MBSFN sub-frame configuration cell is different.In the embodiment of the present invention one
Individual community may belong to multiple MBSFN region, and in MBSFN sub-frame configuration cell list, each MBSFN sub-frame configuration cell can
With for a single MBSFN region, i.e. each MBSFN sub-frame configuration cell is corresponding to a MBSFN area identification.
In embodiments of the present invention, it is possible not only to the area identification making UE get MBSFN, if current area belongs to many
Individual MBSFN region, it is also possible to make UE know the different MBSFN sub-frame configuration cells area identification corresponding to which MBSFN,
Or, make UE know whether different MBSFN sub-frame configuration cells corresponds to the area identification of same MBSFN.
As shown in Figure 4, identify sending method and the flow chart of another embodiment of sign acquiring method for the present invention, specifically wrap
Include following steps:
Step 401, the MCE eNB in administrative MBSFN region sends MBSFN area identification；
Step 402, the eNB of current MBMS community receive the MBSFN area identification belonging to current MBMS community；
MBSFN area identification belonging to current MBMS community is carried in system by step 403, the eNB of current MBMS community
In message, and it is sent to UE.
What the eNB of the MBMS community that step 404, UE reception is the most resident sent carries belonging to current MBMS community
The system message of MBSFN area identification；
Step 405, UE parse the area identification of the MBSFN belonging to current MBMS community from system message.
Above-mentioned steps 401～403 describes the process that mark sends, and step 404～405 describes the mistake that mark obtains
Journey.
Specifically, in above-mentioned steps 403, if current MBMS community belongs to multiple MBSFN region, eNB can be
Each MBSFN sub-frame configuration cell of system message carries its affiliated MBSFN area identification, owing to MBSFN sub-frame is joined
Second Type system information block (System Information Block Type2, the letter that confidence unit is included in system message
Claim: in SIB2), i.e. MBSFN area identification is carried in the MBSFN sub-frame configuration cell in SIB2 and sends by eNB.
There is following two corresponding relation in MBSFN sub-frame configuration cell and MBSFN area identification:
(1) under the scene of the corresponding MBSFN area identification of a Subframe Allocation Pattern, a MBSFN sub-frame configuration
The corresponding single MBSFN area identification of cell；
(2) under the scene of the corresponding MBSFN area identification of multiple Subframe Allocation Pattern, multiple MBSFN sub-frame configure
The corresponding MBSFN area identification of cell.
The present embodiment specifically provide one section of abstract syntax notation one (Abstract Syntax Notation One, be called for short:
ASN.1) language, for representing the SIB2 information carrying MBSFN area identification, wherein, bolded section " MBSFN-AreaId
INTEGER(0..N) " MBSFN area identification is represented, as follows:
In above-mentioned steps 403, if current MBMS community belongs to a MBSFN region, eNB can be in system message
(System Information Block Type1 is called for short: carry this MBSFN region in SIB1) first kind system information block
Mark, is so easy to UE and can the most quickly know MBSFN area identification.
The present embodiment additionally provides one section of ASN.1 language, for representing the SIB1 information carrying MBSFN area identification, its
In, bolded section " MBSFN-AreaId INTEGER(0..N) " represent MBSFN area identification, as follows:
In above-mentioned steps 403, if current MBMS community belongs to a MBSFN region, eNB can also be in system message
SIB2 in carry this MBSFN area identification.
The present embodiment additionally provides one section of ASN.1 language, for representing the SIB2 information carrying MBSFN area identification, its
In, bolded section " MBSFN-AreaId INTEGER(0..N) " represent MBSFN area identification, as follows:
In the present embodiment, in system message, it is sent to UE by being carried by the area identification of MBSFN so that carrying out
Pilot tone can be decoded by the UE of MBMS according to the area identification of the MBSFN obtained, and carries out channel estimation.Further
, the present embodiment can carry the MBSFN region mark that it is affiliated in each MBSFN sub-frame of system message configures cell
Know so that UE can know MBSFN sub-frame configuration cell and the corresponding relation of MBSFN area identification.
As it is shown in figure 5, identify sending method and the flow chart of another embodiment of sign acquiring method for the present invention, specifically wrap
Include following steps:
Step 501, the MCE eNB in administrative MBSFN Area sends MBSFN area identification；
Step 502, the eNB of current MBMS community receive the MBSFN area identification belonging to current MBMS community；
MBSFN area identification belonging to current MBMS community is passed through X2 interface by step 503, the eNB of current MBMS community
Interact with adjacent cell, obtain the MBSFN area identification of the adjacent cell as information of adjacent cells；
MBSFN area identification relevant information is sent to UE by step 504, the eNB of current MBMS community, and area identification is correlated with
Information is area identification and the system message of adjacent cell MBSFN area identification carrying the MBSFN belonging to current area；
What the eNB of the MBMS community that step 505, UE reception is the most resident sent carries current area and adjacent cell
The system message of MBSFN area identification；
Step 506, UE parse area identification and the adjacent cell of the MBSFN belonging to current MBMS community from system message
MBSFN area identification.
Above-mentioned steps 501～504 describes the process that mark sends, and step 505～506 describes the mistake that mark obtains
Journey.
In subsequent process, UE obtains adjacent cell MBSFN area identification, it is possible to implement community selects or gravity treatment, especially
It is the UE for receiving MBMS, if selection and current MBMS community belong to the adjacent cell in a MBSFN region, can
To reduce the probability of service disconnection greatly.
Specifically, in above-mentioned steps 504, the eNB of current MBMS community is by the MBSFN district belonging to current MBMS community
Domain identifier carries and is sent to UE in system message and is referred to above-described embodiment, does not repeats them here.
Owing to adjacent cell can comprise more than one different MBSFN sub-frame configuration cell, these different MBSFN sub-frame
Configuration cell can correspond to same MBSFN area identification, it is also possible to corresponds respectively to different MBSFN area identifications, institute
Can area identification list as adjacent cell with the zone identification information of above-mentioned adjacent cell.Specifically, in above-mentioned steps 504
In, the area identification of the MBSFN belonging to the area identification list of adjacent cell and current area can be carried in the 4th type by eNB
(System Information Block Type4 is called for short: in SIB4), be sent to UE system information block.
The present embodiment specifically provides one section of ASN.1 language, for representing the region carrying the MBSFN belonging to current area
The SIB4 information of the area identification list of mark and adjacent cell, wherein, bolded section " MBSFN-AreaIdList SEQUENCE
(SIZE(1..maxAreaId)) OF MBSFN-AreaId " represent adjacent cell area identification list, " MBSFN-AreaId
INTEGER(0..N) " the area identification of expression MBSFN belonging to current area, as follows, this section of ASN.1 language is applicable to
Current MBMS community belongs to the situation in multiple MBSFN region.
The present embodiment additionally provides one section of ASN.1 language, and this section of ASN.1 language is applicable to current MBMS community and belongs to one
The situation in MBSFN region, say, that do not have adjacent cell, illustrates the area identification carrying MBSFN belonging to current area
SIB4 information, wherein, bolded section " MBSFN-AreaId INTEGER(0..N) " represents the district of the MBSFN belonging to current area
Domain identifier, as follows, the content of SIB4 information is simplified.
System message the 3rd type system chunk (System Information Block Type3, be called for short:
SIB3) and the 5th type system chunk (System Information Block Type5, be called for short: all comprise neighbour in SIB5)
Cell configuration cell (NeighCellConfig), this cell indicates MBSFN configuration information and the time division duplex of adjacent cell
(Time Division Duplexing, is called for short: TDD) (Up Link is called for short: UL)/downlink (Down up-link
Link, is called for short: DL) configuration information and the difference of current area.Wherein, the configuration of the adjacent cell in SIB3 cell is used for indicating with frequency
The situation of adjacent cell, the adjacent cell configuration cell in SIB5 is for indicating the situation of iso-frequency adjacent community.
This section of ASN.1 language provided below represents the information in adjacent cell configuration cell.
--ASN1START
NeighCellConfig::=BIT STRING(SIZE(2))
--ASN1STOP
According in agreement about adjacent cell configuration cell description, adjacent cell configuration cell be identified with 4 kinds, be specially
" 00 ", " 10 ", " 01 " and " 11 ", has indicated respectively 4 kinds of situations, in the case of " 01 " and " 11 ", and the MBSFN configuration letter of adjacent cell
Breath is different from current area, so the MBSFN area identification of its correspondence is the most different.In this case, though neighbour is little
The MBSFN area identification in district notifies, to UE, to maintain existing MBMS not interrupt the most not helping UE, it is possible to not carry out
Notice.
In the case of " 00 ", the MBSFN configuration information having in adjacent cell is identical with current area, and have is then different.?
In the case of " 10 ", the MBSFN configuration information of adjacent cell is identical with current area, or the MBSFN configuration information of adjacent cell
It it is the subset of current area.And the situation of " 00 " and " 10 " needs to broadcast adjacent cell MBSFN Area ID.
If the situation of subset being classified as differently configured (i.e. the belonging to " 00 ") with current area, then the situation of " 10 "
Reform into MBSFN and configured exactly the same.
Owing to MBSFN configuration is identical with current area, so MBSFN area identification is also identical, so also do not have must
Again to notify the MBSFN area identification of UE adjacent cell.The situation thus only having " 00 " needs to notify the MBSFN of UE adjacent cell
Area identification, and save eliminate all adjacent cells all identical with current area configuration in the case of notice.
Further, since the MBSFN Area ID of alien-frequency district is different from current area, so here just for little with frequency
District.
In sum, in the case of the MBSFN configuration information of adjacent cell is identical with current area part, it is necessary to by neighbour
The MBSFN area identification of community notifies to UE, specifically, the area identification list of adjacent cell is carried and is sent in SIB4
UE。
The present embodiment is in the case of the MBSFN configuration information of adjacent cell is identical with current area part, by adjacent cell
MBSFN area identification notifies, to UE, to which reduce the quantity of information of informing MBSFN area identification, save interface-free resources.
As shown in Figure 6, sending method and the flow chart of another embodiment of sign acquiring method, the present invention are identified for the present invention
Embodiment can be used for the transmission mode of MC and DC, specifically includes following steps:
Step 601, O&M are semi-statically configured the region of MBSFN, and the area identification of MBSFN is sent to institute in MBSFN region
There is the eNB of MBMS community；
Step 602, the eNB of current MBMS community receive this area identification；
This area identification is carried in the cell of MCCH, and is sent to UE by step 603, the eNB of current MBMS community, district
Domain identifier relevant information is the cell of the MCCH of inclusion region mark.
Step 604, UE receive the letter of the MCCH carrying area identification of the eNB transmission of the most resident MBMS community
Unit；
The pilot tone of this community BCCH, according to the mark of the most resident MBMS community, is decoded, obtains by step 605, UE
Take the content of BCCH；
Step 606, UE, according to the instruction of the content of BCCH, obtain the position of MCCH resource under MBSFN pattern；BCCH's is interior
Including instruction information in appearance, this instruction information specifies the position of MCCH resource；
Step 607, position according to MCCH resource, obtain the area identification of MBSFN from the cell of MCCH.
Above-mentioned steps 601～603 describes the process that mark sends, and step 604～607 describes the mistake that mark obtains
Journey.
Further, if current MBMS community belongs to a MBSFN region, the most in step 603, area identification is carried
At main MCCH(P-MCCH) cell in；In step 606, the position of P-MCCH resource under UE obtains MBSFN pattern；In step
In 607, UE, in the position of P-MCCH resource, obtains the area identification of MBSFN from the cell of P-MCCH.
If current MBMS community belongs to two or more MBSFN region, the most in step 603 area identification is carried at P-
MCCH and/or auxiliary MCCH(S-MCCH) cell in；In step 606, the position of P-MCCH resource under UE obtains MBSFN pattern
Put；If area identification carries in P-MCCH, the most in step 607, UE obtains the region of MBSFN from the cell of P-MCCH
Mark；If the area identification of MBSFN carries in S-MCCH or S-MCCH and P-MCCH, the most in step 607, UE according to
The instruction of P-MCCH, obtains the position of S-MCCH resource further, obtains from S-MCCH, or the cell of P-MCCH and S-MCCH
Take the area identification of MBSFN.
The embodiment of the present invention sends in the cell of P-MCCH and/or S-MCCH by being carried by the area identification of MBSFN
To UE so that according to the area identification of the MBSFN obtained, pilot tone can be decoded at the UE carrying out MBMS, and carry out
Channel is estimated.
As it is shown in fig. 7, identify sending method and the flow chart of another embodiment of sign acquiring method, the present invention for the present invention
Embodiment can be used for the transmission mode of DC, specifically includes following steps:
Step 701, O&M are semi-statically configured the region of MBSFN, and the area identification of MBSFN is sent to institute in MBSFN region
There is the eNB of MBMS community；
Step 702, the eNB of current MBMS community receive this area identification；
This area identification is carried in synchronizing signal, and is sent to UE by step 703, the eNB of current MBMS community, region
Mark relevant information is the synchronizing signal of inclusion region mark.
Step 704, UE receive the synchronizing signal carrying area identification that eNB sends；
Step 705, UE, when carrying out down-going synchronous, directly parse the area identification of MBSFN from synchronizing signal.
Above-mentioned steps 701～703 describes the process that mark sends, and step 704～705 describes the mistake that mark obtains
Journey.
The embodiment of the present invention is sent to UE by being carried by the area identification of MBSFN in synchronizing signal so that carrying out
Pilot tone can be decoded by the UE of MBMS according to the area identification of the MBSFN obtained, and carries out channel estimation.
As shown in Figure 8, sending method and the flow chart of another embodiment of sign acquiring method, the present invention are identified for the present invention
Embodiment can be used for the transmission mode of MC, specifically includes following steps:
Step 801, O&M are semi-statically configured the region of MBSFN, and the area identification of MBSFN is sent to institute in MBSFN region
There is the eNB of MBMS community；
Step 802, the eNB of current MBMS community receive this area identification；
Step 803, current MBMS community eNB according to the strategy pre-set, obtain corresponding with MBSFN area identification
MCH identifies, and MCH mark is sent to UE, and area identification relevant information is MCH mark；
ENB and UE knows the strategy pre-set, and this strategy pre-set can be MBSFN area identification and MCH
Identity equality, or MBSFN area identification and MCH mark has other corresponding relations；MCH uniquely corresponding MCH mark, because of
MCH mark and MBMS data are sent jointly to UE by this.
Step 804, UE receive the MCH mark that eNB sends；
Step 805, UE, according to the strategy pre-set, obtain the MBSFN area identification corresponding with MCH mark.
Above-mentioned steps 801～803 describes the process that mark sends, and step 804～805 describes the mistake that mark obtains
Journey.
The embodiment of the present invention is by pre-setting the strategy of mapping relations between MBSFN area identification and MCH mark so that
UE, according to the MCH mark obtained, can obtain MBSFN area identification so that can be according to acquisition at the UE carrying out MBMS
The area identification of MBSFN pilot tone is decoded, and carry out channel estimation.
As it is shown in figure 9, be the structural representation of evolution base station one embodiment of the present invention, the embodiment of the present invention specifically includes:
Acquisition module 11, for obtaining the area identification of MBSFN；Sending module 12, for the relevant letter to terminal sending zone mark
Breath.
The embodiment of the present invention can also include carrying module 13, for the area identification of MBSFN being carried at BCCH or
In the cell of MCCH, now area identification relevant information is the cell of BCCH or MCCH；Area identification can also be included in same
In step signal, now area identification relevant information is synchronizing signal.
Above-mentioned BCCH cell can be specially system message, i.e. carries module 13 and may be used for the area identification of MBSFN
Carry in system message.Further, carry module 13 to can be also used for being included in system message information of adjacent cells.
The embodiment of the present invention can also include mapping block 14, for according to the strategy pre-set, obtains and marks with region
Knowing corresponding transmission channel mark, now area identification relevant information is transmission channel mark.Sending module 12 is by area identification
Relevant information be sent to UE.
The evolution base station that the embodiment of the present invention provides by sending the area identification relevant information of MBSFN to UE so that UE
Obtain the area identification of MBSFN, it is possible to pilot tone is decoded, and then carries out channel estimation.
As shown in Figure 10, for the structural representation of terminal one embodiment of the present invention, the embodiment of the present invention specifically includes: obtain
Module 21, for obtaining the area identification relevant information of MBSFN；Area identification acquisition module 22, for according to area identification phase
Close the area identification of acquisition of information MBSFN.
Wherein, when area identification is included in the cell of BCCH, area identification acquisition module 22 may include that first leads
Frequently decoding unit 221, for the mark according to the most resident community, are decoded the pilot tone of the BCCH of this community, obtain
Area identification.
When area identification is included in synchronizing signal or system message, area identification acquisition module 22 may include that solution
Analysis unit 222, for parsing area identification from synchronizing signal or system message.Further, resolution unit 222 is all right
For parsing information of adjacent cells from system message.
When area identification is included in the cell of MCCH, area identification acquisition module 22 may include that area identification obtains
Take unit 225, from the cell of MCCH, obtain area identification；Further, area identification acquisition module 22 can also include
Two pilot tone decoding units 223, for the mark according to the most resident community, are decoded the pilot tone of the BCCH of this community,
Obtain the content of BCCH；Position acquisition unit 224, for the instruction of the content according to BCCH, obtains the position of MCCH resource；District
Domain identifier acquiring unit 225 can also obtain area identification according to the position of MCCH resource further from the cell of MCCH.
When area identification is transmission channel mark, area identification acquisition module 22 may include that map unit 226, uses
According to the strategy pre-set, obtain the area identification corresponding with transmission channel mark.
Further, the embodiment of the present invention can be the UE in MBMS, and wherein acquisition module 21 receives what eNB sent
Area identification relevant information, area identification acquisition module 22 obtains area identification according to area identification relevant information.
If area identification relevant information is the cell of BCCH, then the first pilot tone decoding unit 221 is according to the most resident little
The mark in district, is decoded the pilot tone of the BCCH of this community, obtains the content of the BCCH including area identification, thus obtains district
Domain identifier.
If area identification relevant information is the cell of MCCH, then the second pilot tone decoding unit 223 is according to the most resident little
The mark in district, is decoded the pilot tone of the BCCH of this community, obtains the content of BCCH；Position acquisition unit 224 is according to BCCH
The instruction of content, obtain the position of MCCH resource；Area identification acquiring unit 225 is according to the position of MCCH resource, from P-
The cell of MCCH and/or S-MCCH obtains area identification.
If area identification relevant information is synchronizing signal or system message, then resolution unit 222 is from synchronizing signal or system
Message parses area identification, it is also possible to from system message, parse information of adjacent cells.
If area identification relevant information is MCH mark, then map unit 226 is according to the strategy pre-set, and obtains and MCH
The area identification that mark is corresponding.
The UE that the embodiment of the present invention provides can obtain the area identification of MBSFN such that it is able to is decoded pilot tone, enters
And carry out channel estimation.
As shown in figure 11, unifying the structural representation of embodiment for communication system of the present invention, the embodiment of the present invention specifically includes:
Evolution base station 31, for obtaining the area identification of MBSFN, is additionally operable to send the relevant information of MBSFN area identification to terminal 32；
Terminal 32, for obtaining the relevant information of the MBSFN area identification that evolution base station 31 sends, according to the relevant information of area identification
Obtain the area identification of MBSFN.
Further, as shown in figure 11, embodiment of the present invention evolution base station 31 can be the eNB in MBMS, specifically
Can be any embodiment described in the invention described above embodiment evolution base station；Embodiment of the present invention terminal 32 can be
UE in MBMS, concrete can be any embodiment described in the invention described above embodiment terminal.Wherein obtain mould
Block 11 is the acquisition module in evolution base station 31, and acquisition module 21 is the acquisition module in terminal 32, and both are different.
The embodiment of the present invention identifies relevant information by eNB sending zone, and UE, according to area identification relevant information, obtains district
Domain identifier, solves physical layer and carries out MBMS decoding pilot tone, and when carrying out channel estimation, need MBSFN area identification
Problem.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be passed through
The hardware that programmed instruction is relevant completes, and aforesaid program can be carried on an embodied on computer readable and carry in medium, this program
Upon execution, perform to include the step of said method embodiment, and the aforesaid medium that carries includes: ROM, RAM, magnetic disc or light
The various medium that can carry program code such as dish.
Last it is noted that above example is only in order to illustrate the technical scheme of the embodiment of the present invention, rather than it is limited
System；Although being described in detail the embodiment of the present invention with reference to previous embodiment, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to wherein portion of techniques feature
Carry out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention skill
The spirit and scope of art scheme.
Claims (11)
1. a mark sending method, it is characterised in that described method includes:
Evolution base station obtains the multimedia broadcast-multicast service SFN belonging to present multimedia multicast broadcast service MBMS community
The area identification of MBSFN；
The area identification of the MBSFN belonging to current MBMS community is carried and sets to user in the cell of BCCH by described evolution base station
Standby UE sends；
The cell of described BCCH is system message, also comprises MBSFN sub-frame configuration information, described MBSFN in described system message
The area identification of the MBSFN of the corresponding current MBMS community of subframe configuration information.
2. the method for claim 1, it is characterised in that described evolution base station obtains belonging to current MBMS community
The area identification of MBSFN, including:
Described evolution base station receives the area identification of the MBSFN belonging to current MBMS community from O&M or multicast cooperation entity MCE.
3. method as claimed in claim 2, it is characterised in that receive current MBMS at described evolution base station from described O&M little
During the area identification of the MBSFN belonging to district, the region of described MBSFN is semi-statically configured by described O&M.
4. the method for claim 1, it is characterised in that if current MBMS community belongs to multiple MBSFN region, described
Each MBSFN sub-frame configuration information of system message carries the area identification of the MBSFN of current MBMS community.
5. the method for claim 1, it is characterised in that described method also includes:
The area identification of the MBSFN of adjacent cell is sent to described UE by described evolution base station.
6. method as claimed in claim 5, it is characterised in that at described evolution base station by the district of the MBSFN of described adjacent cell
Before domain identifier is sent to described UE, described method also includes:
The area identification of the MBSFN belonging to current MBMS community is carried out with described adjacent cell by described evolution base station by X2 interface
Alternately, the area identification of the MBSFN of described adjacent cell is obtained.
7. a base station, it is characterised in that including:
Acquisition module, for obtaining the multimedia broadcast-multicast service list belonging to present multimedia multicast broadcast service MBMS community
Frequency nets the area identification of MBSFN；
Carry module, for being carried in the cell of BCCH by the area identification of the MBSFN belonging to current MBMS community；
Sending module, for being sent to user equipment (UE) by the cell of BCCH；
The cell of described BCCH is system message, also comprises MBSFN sub-frame configuration information, described MBSFN in described system message
The area identification of the MBSFN of the corresponding current MBMS community of subframe configuration information.
8. base station as claimed in claim 7, it is characterised in that described acquisition module is specifically for real from O&M or multicast cooperation
Body MCE receives the area identification of the MBSFN belonging to current MBMS community.
9. base station as claimed in claim 8, it is characterised in that receive current MBMS community institute from described O&M in described base station
During the area identification of MBSFN belonged to, the region of described MBSFN is semi-statically configured by described O&M.
10. base station as claimed in claim 7, it is characterised in that if current MBMS community belongs to multiple MBSFN region, institute
State the area identification of the MBSFN carrying current MBMS community in each MBSFN sub-frame configuration information of system message.
11. base stations as claimed in claim 7, it is characterised in that described in carry module and be additionally operable to the district of the MBSFN of adjacent cell
Domain identifier carries in system message.
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| CN2008102102413 | 2008-08-11 | ||
| CN200810210241 | 2008-08-11 | ||
| CN200810210241.3 | 2008-08-11 | ||
| CN2009101423996A CN101707737B (en) | 2008-08-11 | 2009-06-08 | Identification sending method, identification acquiring method, evolution base station, terminal and communication system |
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| CN2009101423996A Division CN101707737B (en) | 2008-08-11 | 2009-06-08 | Identification sending method, identification acquiring method, evolution base station, terminal and communication system |
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| CN201310134348.5A Active CN103260133B (en) | 2008-08-11 | 2009-06-08 | Mark transmission, acquisition methods and evolution base station, terminal and communication system |
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| CN101998250B (en) * | 2009-08-25 | 2016-09-21 | 电信科学技术研究院 | A kind of multicast control channel message synchronization sending method, device and system |
| CN102056090A (en) * | 2011-01-27 | 2011-05-11 | 电信科学技术研究院 | Method, system and device for processing MBMS (Multimedia Broadcast Multicast Service) |
| US9173192B2 (en) * | 2011-03-17 | 2015-10-27 | Qualcomm Incorporated | Target cell selection for multimedia broadcast multicast service continuity |
| CN102740383B (en) * | 2011-04-02 | 2016-03-16 | 上海贝尔股份有限公司 | Carry out the method and apparatus of cell reselection |
| EP2996362B1 (en) * | 2013-05-28 | 2017-10-11 | Huawei Technologies Co., Ltd. | Method, device, equipment, and system for service transmission |
| US10182390B2 (en) | 2013-07-29 | 2019-01-15 | Blackberry Limited | Communicating an indicator extending an area scope of system information |
| CN107113575B (en) * | 2014-12-31 | 2019-11-26 | 华为技术有限公司 | The method for supporting multimedia broadcast multi-broadcasting business transmission, equipment and system |
| WO2017197200A1 (en) | 2016-05-12 | 2017-11-16 | Intel IP Corporation | Increase of spectral capacity of embms-cell when deployed as a supplementary downlink carrier |
| CN109041105B (en) * | 2017-06-09 | 2020-10-16 | 维沃移动通信有限公司 | Sending method of adjacent cell information, and processing method and device of adjacent cell information |
| CN113596735A (en) * | 2020-04-30 | 2021-11-02 | 大唐移动通信设备有限公司 | Method, base station and storage medium for managing and controlling MBMS service broadcast area |
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| WO2010017738A1 (en) | 2010-02-18 |
| CN101707737B (en) | 2013-04-17 |
| CN103260133A (en) | 2013-08-21 |
| CN101707737A (en) | 2010-05-12 |
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