CN106162567A - A kind of eMBMS function MBSFN sub-frame distribution method and device - Google Patents
A kind of eMBMS function MBSFN sub-frame distribution method and device Download PDFInfo
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- CN106162567A CN106162567A CN201510178023.6A CN201510178023A CN106162567A CN 106162567 A CN106162567 A CN 106162567A CN 201510178023 A CN201510178023 A CN 201510178023A CN 106162567 A CN106162567 A CN 106162567A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Abstract
The invention discloses a kind of eMBMS function MBSFN sub-frame distribution method and device, relate to wireless communication technology field, its method comprises the following steps: configure according to MCE side, obtains ABS sub-frame set and MBSFN sub-frame set；According to acquired ABS sub-frame set and MBSFN sub-frame set, obtain the MBSFN sub-frame distribution set of eMBMS function；Configure according to MCE side, distribute set from the MBSFN sub-frame of obtained eMBMS function, distribute MBSFN sub-frame for eMBMS function.The present invention has considered the configuring condition of ABS subframe in eICIC function, effectively dodges eMBMS function MBSFN sub-frame and the conflicting of ABS subframe in eICIC function, increases the probability that two functions effectively coexist.
Description
Technical field
The present invention relates to wireless communication technology field, particularly to a kind of enhanced multimedia broadcast/multicast service
(ehanced Multimedia Broadcast/Multicast Service, eMBMS) function multicast/multicast
Single Frequency Network (Multicast/Broadcast Single Frequency Network, MBSFN) subframe is divided
Method of completing the square and device.
Background technology
Third generation partner program (3rd Generation Partnership Project, 3GPP) is at R6
Version introduce multimedia broadcast/group broadcast service (Multimedia Broadcast Multicast Service,
MBMS) characteristic, it is achieved the one simultaneously transmitting data to users multiple in particular range from data source is point-to-multipoint
Business so that Internet resources are shared, thus are embodied as having in a large number same requirements with less resource
User provides multimedia service simultaneously.Under LTE network framework, MBMS realizes frame carrying aspect
Frame and mode all there occurs that some change, and are called eMBMS for the MBMS carrying realization before difference.
In eMBMS, an important change is to introduce the transmission concept of MBSFN, i.e. with for the moment
Between carry out synchronous transfer with same frequency in multiple communities, use this load mode can save frequency resource,
The diversity simultaneously brought can strengthen the reliability of reception and improve the effect covered.Wherein, MBSFN region
(MBSFN Area) refers to achieve one group of set of cells that MBSFN transmits, it is understood that be eMBMS industry
The least unit that business transmits.
3GPP introduces Inter-Cell Interference Coordination (enhanced Inter-Cell Interference at Rel-10
Coordination, eICIC), for solving the macro station-micro-station interference problem under heterogeneous network.EICIC is base
Inter-Cell Interference Coordination in time domain: be " almost blank son one or more sub-frame configuration by macrocell
Frame (Almost Blank Subframe, ABS) ", Microcell/Pico community/Femto community is in ABS subframe
Upper offer for Cell Edge User equipment (User Equipmen, UE) services, thus avoids main doing
Disturb (from macrocell), thus improve the service speed of cell edge UE.Here, as " eICIC "
A kind of " time-domain resource subregion (the Time domain resource partitioning) " of control methods
In, in order to reduce the interference of minizone, ABS can not only be utilized, moreover it is possible to utilize MBSFN sub-frame.
36.331 agreements define MBSFN sub-frame position in radio frames, FDD (Frequency
Division Duplexing, FDD) it is subframe 1#, 2#, 3#, 6#, 7#, 8#, time division duplex (Time
Division Duplexing, TDD) it is the descending sub frame in 3#, 4#, 7#, 8#, 9#.And MBSFN is sub
When frame is used as other purposes (such as MBMS), base station (evolved Node B, eNB) can not be by MBSFN
Sub-frame configuration becomes ABS.Therefore, at the community having eMBMS function and eICIC function to enable, ABS simultaneously
The distribution of frame will be by strong influence.
Summary of the invention
It is an object of the invention to provide a kind of eMBMS function MBSFN sub-frame distribution method and device, solve
EMBMS function MBSFN sub-frame and the collision problem of eICIC function ABS subframe in prior art.
According to an aspect of the invention, it is provided a kind of eMBMS function MBSFN sub-frame distribution method, including
Following steps:
According to multiple cell/multicast coordination entity (Multi-cell/multicastCoordinationEntity,
MCE) side configuration, obtains ABS sub-frame set and MBSFN sub-frame set；
According to acquired ABS sub-frame set and MBSFN sub-frame set, obtain the MBSFN of eMBMS function
Subframe distribution set；
Configure according to MCE side, distribute set from the MBSFN sub-frame of obtained eMBMS function, for eMBMS
Function distribution MBSFN sub-frame；
Described MCE is multiple cell/multicast coordination entity abbreviation；Described ABS is almost blank subframe abbreviation；Institute
Stating MBSFN is the abbreviation of multicast/multicast single-frequency network network；Described eMBMS is enhanced multimedia broadcast/multicast service
Abbreviation.
Preferably, described configures according to MCE side, obtains ABS sub-frame set and MBSFN sub-frame set includes:
Configure according to MCE side, obtain the ABS sub-frame set of base station side eICIC function；
Configure according to MCE side, obtain MBSFN sub-frame set.
Preferably, described ABS sub-frame set has one or more subset, and the plurality of subset has different
The preferential allocation level of ABS.
Preferably, the MBSFN sub-frame distribution set of described eMBMS function includes:
Described MBSFN sub-frame set does not comprise the first set of described ABS sub-frame set；
Described MBSFN sub-frame set comprises the second set of described ABS sub-frame set.
Preferably, described distributing from the MBSFN sub-frame of obtained eMBMS function is gathered, for eMBMS
Function distribution MBSFN sub-frame includes:
When described first set in number of subframes meet the number of subframes needed for described eMBMS function time, then from
Described first set distributes MBSFN sub-frame for eMBMS function；
When the number of subframes in described first set is unsatisfactory for the number of subframes needed for described eMBMS function, then
MBSFN sub-frame is distributed for eMBMS function from described first set and described second set.
Preferably, when described ABS sub-frame set has multiple subset, if the preferential allocation level of the ABS of subset
The highest, then the preferential allocation level of MBSFN sub-frame of the second set is the lowest.
According to a further aspect in the invention, it is provided that a kind of eMBMS function MBSFN sub-frame distributor, including:
Acquisition module, for configuring according to MCE side, obtains ABS sub-frame set and MBSFN sub-frame set, and
According to acquired ABS sub-frame set and MBSFN sub-frame set, the MBSFN sub-frame obtaining eMBMS function is divided
Join set；
Distribution module, for configuring according to MCE side, distributes from the MBSFN sub-frame of obtained eMBMS function
In set, distribute MBSFN sub-frame for eMBMS function；
Described MCE is multiple cell/multicast coordination entity abbreviation；Described ABS is almost blank subframe abbreviation；Institute
Stating MBSFN is the abbreviation of multicast/multicast single-frequency network network；Described eMBMS is enhanced multimedia broadcast/multicast service
Abbreviation.
Preferably, described acquisition module includes:
First acquiring unit, for configuring according to MCE side, obtains the ABS subframe collection of base station side eICIC function
Close；
Second acquisition unit, for configuring according to MCE side, obtains MBSFN sub-frame set；
3rd acquiring unit, for according to acquired ABS sub-frame set and MBSFN sub-frame set, obtains
The MBSFN sub-frame distribution set of eMBMS function.
Preferably, described ABS sub-frame set has one or more subset, and the plurality of subset has different
The preferential allocation level of ABS.
Preferably, the MBSFN sub-frame distribution set of described eMBMS function includes:
Described MBSFN sub-frame set does not comprise the first set of described ABS sub-frame set；
Described MBSFN sub-frame set comprises the second set of described ABS sub-frame set.
Compared with prior art, the beneficial effects of the present invention is:
The present invention has considered the configuring condition of ABS subframe in eICIC function, effectively dodges eMBMS function
MBSFN sub-frame and the conflicting of ABS subframe in eICIC function, increase the probability that two functions effectively coexist.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of eMBMS function MBSFN sub-frame distribution method that the embodiment of the present invention provides；
Fig. 2 is the schematic diagram of a kind of eMBMS function MBSFN sub-frame distributor that the embodiment of the present invention provides；
Fig. 3 is the MCE side MBSFN sub-frame allocation flow figure that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that described below
Preferred embodiment be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Fig. 1 shows the flow process of a kind of eMBMS function MBSFN sub-frame distribution method that the embodiment of the present invention provides
Figure, as it is shown in figure 1, comprise the following steps:
Step S101: configure according to MCE side, obtains ABS sub-frame set and MBSFN sub-frame set；
Step S102: according to acquired ABS sub-frame set and MBSFN sub-frame set, obtain eMBMS merit
The MBSFN sub-frame distribution set of energy；
Step S103: configure according to MCE side, from the MBSFN sub-frame allocation set of obtained eMBMS function
In conjunction, distribute MBSFN sub-frame for eMBMS function；
Described MCE is multiple cell/multicast coordination entity abbreviation；Described ABS is almost blank subframe abbreviation；Institute
Stating MBSFN is the abbreviation of multicast/multicast single-frequency network network；Described eMBMS is enhanced multimedia broadcast/multicast service
Abbreviation.
Specifically, described configures according to MCE side, obtains ABS sub-frame set and MBSFN sub-frame set bag
Include: configure according to MCE side, obtain the ABS sub-frame set of base station side eICIC function；Configure according to MCE side,
Obtain MBSFN sub-frame set.Wherein, described ABS sub-frame set has one or more subset, the plurality of
Subset has the preferential allocation level of different ABS.
Specifically, the MBSFN sub-frame distribution set of described eMBMS function includes: described MBSFN sub-frame
Set does not comprise the first set of described ABS sub-frame set；Described MBSFN sub-frame set comprise described
Second set of ABS sub-frame set.
Specifically, described distributing from the MBSFN sub-frame of obtained eMBMS function is gathered, for eMBMS
Function distribution MBSFN sub-frame includes: when the number of subframes in described first set meets described eMBMS function institute
During the number of subframes needed, then from described first set, distribute MBSFN sub-frame for eMBMS function；When described
When number of subframes in one set is unsatisfactory for the number of subframes needed for described eMBMS function, then from described first collection
Close and described second set distributes MBSFN sub-frame for eMBMS function.Wherein, when described ABS sub-frame set
When having multiple subset, if the preferential allocation level of the ABS of subset is the highest, then the MBSFN sub-frame of the second set is excellent
First allocation level is the lowest.
Fig. 2 shows the signal of a kind of eMBMS function MBSFN sub-frame distributor that the embodiment of the present invention provides
Figure, as in figure 2 it is shown, include: acquisition module 201 and distribution module 202.Described acquisition module 201, uses
In configuring according to MCE side, obtain ABS sub-frame set and MBSFN sub-frame set, and according to acquired ABS
Sub-frame set and MBSFN sub-frame set, obtain the MBSFN sub-frame distribution set of eMBMS function；Described distribution
Module 202, for configuring according to MCE side, distributes set from the MBSFN sub-frame of obtained eMBMS function
In, distribute MBSFN sub-frame for eMBMS function；Described MCE is multiple cell/multicast coordination entity abbreviation；Institute
Stating ABS is almost blank subframe abbreviation；Described MBSFN is the abbreviation of multicast/multicast single-frequency network network；Described eMBMS
It it is enhanced multimedia broadcast/multicast service abbreviation.
Wherein, described acquisition module 201 includes: the first acquiring unit, for configuring according to MCE side, obtains
Take the ABS sub-frame set of base station side eICIC function；Second acquisition unit, for configuring according to MCE side, obtains
Take MBSFN sub-frame set；3rd acquiring unit, for according to acquired ABS sub-frame set and MBSFN
Sub-frame set, obtains the MBSFN sub-frame distribution set of eMBMS function.Specifically, described ABS subframe collection
Conjunction has one or more subset, and the plurality of subset has the preferential allocation level of different ABS.Described
The MBSFN sub-frame distribution set of eMBMS function includes: do not comprise described ABS in described MBSFN sub-frame set
First set of sub-frame set；Described MBSFN sub-frame set comprises the second set of described ABS sub-frame set.
Fig. 3 shows the MCE side MBSFN sub-frame allocation flow figure that the embodiment of the present invention provides, as it is shown on figure 3,
Comprise the following steps:
Step S301: obtain base station side ABS subframe distribution set A；
Set A be base station side be eICIC function ABS sub-frame set, MCE side configure.Wherein, described collection
Close A and can be divided into different subset { A1, A2 ... An}, Ai have the preferential allocation level of different ABS.
Step S302: obtain MBSFN sub-frame distribution set M；
MBSFN sub-frame distribution set M is obtained according to the configuration of MCE side.
Step S303: take sub-frame set M_B of non-A in set M；
According to set A and set M, take sub-frame set M_B of non-A in set M, be eMBMS function
The distribution set of MBSFN sub-frame override.
Step S304: take sub-frame set M_A of A in set M；
According to set A and set M, take sub-frame set M_A of A in set M, be the MBSFN of eMBMS function
The distribution of subframe second priority or the disabling set of eMBMS function.Wherein, described sub-frame set M_A, can be according to collection
Close A different subsets A1, A2 ... and An} and sub-frame set M gathered M_A1, M_A2 ...
M_An}, M_Ai have the preferential allocation level of different MBSFN sub-frame.
Step S305: preferably distribute MBSFN sub-frame for eMBMS function in set M_B；
Configure according to MCE side, in set M_B, distribute MBSFN sub-frame for eMBMS function.
Step S306: time in gathering M_B for eMBMS function distribution MBSFN sub-frame deficiency, take second priority
Subframe in level set M_A.
If set M_B number of subframes is insufficient for the number of subframes that eMBMS function needs, reallocation set
Subframe in M_A, if the attribute of M_A sub-frame set is eMBMS function disabling, distribution eMBMS function
MBSFN sub-frame is distributed unsuccessfully.
It is to say, the subframe of all eMBMS of distributing to functions is in described set M_B and set M_A
The MBSFN sub-frame of eMBMS function.If set M_B number of subframes is insufficient for the son that eMBMS function needs
Frame number, can distribute the subframe in M_Ai according to the different brackets attribute of M_Ai；Wherein, if subset Ai
The preferential allocation level of ABS higher than the preferential allocation level of ABS of subset Aj, then gather the MBSFN of M_Ai
The subframe preferential allocation level preferential allocation level of MBSFN sub-frame less than M_Aj.
The particular content of the present invention is described with three specific embodiments below:
Embodiment one:
Under FDD standard, it is assumed that ABS sub-frame set A is:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 1#、2# | 7# | 3# |
MCE side configuration radio frames assignment period is under 4rf, FDD standard, and MBSFN sub-frame set M is:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 1#、2#、3#、6#、7#、8# | 1#、2#、3#、6#、7#、8# | 1#、2#、3#、6#、7#、8# | 1#、2#、3#、6#、7#、8# |
Take sub-frame set M_B of non-A in set M
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 3#、6#、7#、8# | 1#、2#、3#、6#、8# | 1#、2#、3#、6#、7#、8# | 1#、2#、6#、7#、8# |
Assume four radio frames of eMBMS function need 11 MBSFN sub-frame, then distribute to eMBMS function
Sub-frame set be:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 3#、6#、7#、8# | 1#、2#、3#、6#、8# | 1#、2# |
Embodiment two:
Under TDD1 standard, it is assumed that ABS sub-frame set A is:
| First radio frames | Second radio frames |
| 0#、5#、4# | 0#、5# |
MCE side configuration radio frames assignment period is under 4rf, TDD1 standard, and MBSFN sub-frame set M is:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 4#、9# | 4#、9# | 4#、9# | 4#、9# |
Take sub-frame set M_B of non-A in set M
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 9# | 4#、9# | 9# | 4#、9# |
Take sub-frame set M_A of A in set M
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 4# | 4# |
Assume four radio frames of eMBMS function need 7 MBSFN sub-frame, then distribute to eMBMS function
Sub-frame set is:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 4#、9# | 4#、9# | 9# | 4#、9# |
Embodiment three:
Under TDD2 standard, it is assumed that ABS sub-frame set A is:
| First radio frames | Second radio frames |
| 0#、3#、4#、5#、9# | 0#、3#、4#、5#、9# |
Wherein, ABS subframe the first priority distribution set A1 is
| First radio frames | Second radio frames |
| 0#、4#、5#、9# | 0#、4#、5#、9# |
ABS subframe the second priority distribution set A2 is
| First radio frames | Second radio frames |
| 3# | 3# |
MCE side configuration radio frames assignment period is under 4rf, TDD2 standard, and MBSFN sub-frame set M is:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 3#、4#、8#、9# | 3#、4#、8#、9# | 3#、4#、8#、9# | 3#、4#、8#、9# |
Take sub-frame set M_B of non-A in set M
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 8# | 8# | 8# | 8# |
Take sub-frame set M_A1 of A1 in set M
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 4#、9# | 4#、9# | 4#、9# | 4#、9# |
Take sub-frame set M_A2 of A2 in set M
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 3# | 3# | 3# | 3# |
Assume four radio frames of eMBMS function need 5 MBSFN sub-frame, then distribute to eMBMS function
Sub-frame set is:
| First radio frames | Second radio frames | 3rd radio frames | 4th radio frames |
| 3#、8# | 8# | 8# | 8# |
In sum, the present invention has following technical effect that
The present invention effectively reduces and the collision of ABS subframe so that eMBMS function and eICIC function are the most common
Deposit.
Although above the present invention being described in detail, but the invention is not restricted to this, the art technology
Personnel can carry out various amendment according to the principle of the present invention.Therefore, all amendments made according to the principle of the invention,
All should be understood to fall into protection scope of the present invention.
Claims (10)
1. an eMBMS function MBSFN sub-frame distribution method, it is characterised in that comprise the following steps:
Configure according to MCE side, obtain ABS sub-frame set and MBSFN sub-frame set；
According to acquired ABS sub-frame set and MBSFN sub-frame set, obtain the MBSFN of eMBMS function
Subframe distribution set；
Configure according to MCE side, distribute set from the MBSFN sub-frame of obtained eMBMS function, for eMBMS
Function distribution MBSFN sub-frame；
Described MCE is multiple cell/multicast coordination entity abbreviation；Described ABS is almost blank subframe abbreviation；Institute
Stating MBSFN is the abbreviation of multicast/multicast single-frequency network network；Described eMBMS is enhanced multimedia broadcast/multicast service
Abbreviation.
Method the most according to claim 1, it is characterised in that described configures according to MCE side, obtains
Take ABS sub-frame set and MBSFN sub-frame set include:
Configure according to MCE side, obtain the ABS sub-frame set of base station side eICIC function；
Configure according to MCE side, obtain MBSFN sub-frame set.
Method the most according to claim 2, it is characterised in that described ABS sub-frame set has one
Or multiple subset, the plurality of subset has the preferential allocation level of different ABS.
Method the most according to claim 3, it is characterised in that the MBSFN of described eMBMS function
Subframe distribution set includes:
Described MBSFN sub-frame set does not comprise the first set of described ABS sub-frame set；
Described MBSFN sub-frame set comprises the second set of described ABS sub-frame set.
Method the most according to claim 4, it is characterised in that described from obtained eMBMS merit
In the MBSFN sub-frame distribution set of energy, include for eMBMS function distribution MBSFN sub-frame:
When described first set in number of subframes meet the number of subframes needed for described eMBMS function time, then from
Described first set distributes MBSFN sub-frame for eMBMS function；
When the number of subframes in described first set is unsatisfactory for the number of subframes needed for described eMBMS function, then
MBSFN sub-frame is distributed for eMBMS function from described first set and described second set.
Method the most according to claim 5, it is characterised in that when described ABS sub-frame set has many
During individual subset, if the preferential allocation level of the ABS of subset is the highest, then the MBSFN sub-frame of the second set is preferentially distributed
The lowest grade.
7. an eMBMS function MBSFN sub-frame distributor, it is characterised in that including:
Acquisition module, for configuring according to MCE side, obtains ABS sub-frame set and MBSFN sub-frame set, and
According to acquired ABS sub-frame set and MBSFN sub-frame set, the MBSFN sub-frame obtaining eMBMS function is divided
Join set；
Distribution module, for configuring according to MCE side, distributes from the MBSFN sub-frame of obtained eMBMS function
In set, distribute MBSFN sub-frame for eMBMS function；
Described MCE is multiple cell/multicast coordination entity abbreviation；Described ABS is almost blank subframe abbreviation；Institute
Stating MBSFN is the abbreviation of multicast/multicast single-frequency network network；Described eMBMS is enhanced multimedia broadcast/multicast service
Abbreviation.
Device the most according to claim 7, it is characterised in that described acquisition module includes:
First acquiring unit, for configuring according to MCE side, obtains the ABS subframe collection of base station side eICIC function
Close；
Second acquisition unit, for configuring according to MCE side, obtains MBSFN sub-frame set；
3rd acquiring unit, for according to acquired ABS sub-frame set and MBSFN sub-frame set, obtains
The MBSFN sub-frame distribution set of eMBMS function.
Device the most according to claim 8, it is characterised in that described ABS sub-frame set has one
Or multiple subset, the plurality of subset has the preferential allocation level of different ABS.
Device the most according to claim 9, it is characterised in that the MBSFN of described eMBMS function
Subframe distribution set includes:
Described MBSFN sub-frame set does not comprise the first set of described ABS sub-frame set；
Described MBSFN sub-frame set comprises the second set of described ABS sub-frame set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178023.6A CN106162567A (en) | 2015-04-15 | 2015-04-15 | A kind of eMBMS function MBSFN sub-frame distribution method and device |
| PCT/CN2016/073697 WO2016165460A1 (en) | 2015-04-15 | 2016-02-05 | Mbsfn subframe allocation method and device for embms function |
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|---|---|---|---|
| CN201510178023.6A CN106162567A (en) | 2015-04-15 | 2015-04-15 | A kind of eMBMS function MBSFN sub-frame distribution method and device |
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| CN102448088B (en) * | 2010-09-30 | 2014-12-03 | 华为技术有限公司 | Method for indicating measurement resource, measurement method and device thereof |
| JP4927982B1 (en) * | 2010-10-20 | 2012-05-09 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication method and radio base station |
| US9219994B2 (en) * | 2011-11-09 | 2015-12-22 | Lg Electronics Inc. | Methods for transmitting and receiving downlink data in MBSFN subframe and apparatuses thereof |
| CN103516420A (en) * | 2012-06-26 | 2014-01-15 | 中兴通讯股份有限公司 | Method for improving bandwidth utilization rate in heterogeneous network and base station |
| CN103888956B (en) * | 2012-12-19 | 2019-01-25 | 中兴通讯股份有限公司 | The processing method and system of configuration information |
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Application publication date: 20161123 |