CN106961686A - Method and apparatus for generating virtual subdistrict across multiple adjacent macro cells - Google Patents
Method and apparatus for generating virtual subdistrict across multiple adjacent macro cells Download PDFInfo
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- CN106961686A CN106961686A CN201610015699.8A CN201610015699A CN106961686A CN 106961686 A CN106961686 A CN 106961686A CN 201610015699 A CN201610015699 A CN 201610015699A CN 106961686 A CN106961686 A CN 106961686A
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000004044 response Effects 0.000 claims abstract description 40
- 238000012790 confirmation Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 11
- 239000011800 void material Substances 0.000 claims description 7
- 238000013468 resource allocation Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 230000004083 survival effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/18—Network planning tools
- H04W16/20—Network planning tools for indoor coverage or short range network deployment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/22—Traffic simulation tools or models
- H04W16/225—Traffic simulation tools or models for indoor or short range network
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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
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
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Abstract
Embodiment of the disclosure discloses a kind of method and apparatus that virtual subdistrict is generated across multiple adjacent macro cells, and this method includes：It is located in the first macrocell and closes on the boundary of first macrocell in response to user equipment, solicited message is sent to adjacent the second one or more macro base stations, asks generation across the virtual subdistrict of first macrocell He second macrocell；And the confirmation of the solicited message is directed in response to receiving, the virtual subdistrict is generated for the user equipment, to cause the virtual subdistrict independently of first macrocell and second macrocell, in joint fashion to user equipment transmission data.
Description
Technical field
Embodiment of the disclosure is related to wireless communication field, and relates more particularly to a kind of use
In the method and apparatus that virtual subdistrict is generated across multiple adjacent macro cells.
Background technology
Traffic demand in mobile network is expected to increase substantially in the coming years.In order to
The demand increased in this is met, a kind of feasible solution is to dispose very intensive network,
It is also referred to as super-intensive network.
However, the problem of having two in intensive network seriously.One problem is to use
Family equipment (UE) may have to face multiple serious interference, and another problem is to use
Family equipment may occur more frequently to switch between multiple cells.
In order to solve above-mentioned two problems, it may be considered that the mechanism of virtual subdistrict.In general,
Virtual subdistrict is that virtual subdistrict is used to do by one group of cell (or transmission point, TP) composition
Disturb coordination and joint transmission.In general, virtual subdistrict is centered on UE, also
It is to say, virtual subdistrict can correspondingly change with UE movement.If UE is moved to
The edge of one macrocell, then one can be formed by belonging to multiple cells of different macrocells
Individual virtual subdistrict, as shown in Figure 1.
In such a scenario, how to generate and contain the multiple cells for belonging to different macrocells
This problem of the virtual subdistrict of (or TP) was not well studied.In view of this
In the case that one scene frequently occurs in UE adapters (or switching), it is therefore necessary to design one
Plant the mechanism for supporting this scene.
The content of the invention
In order to solve the above problems, the various embodiments of the disclosure provide a kind of be used for across multiple
Adjacent macro cell generates the method and apparatus of virtual subdistrict.Pass through this method and equipment so that energy
Enough in the case where UE is moved to multiple macrocell borders adjacent to each other, across multiple adjacent
Macrocell and generate a virtual subdistrict, and in joint fashion to UE send data.With this
One mode, weaken cellular cell concept and by multiple cells formation one virtual subdistrict and
Jointly data, services are provided for UE.
An aspect of this disclosure is related to a kind of be used in the first macrocell across multiple adjacent grand
The method that cell generates virtual subdistrict, including：Be located in response to user equipment in the first macrocell,
And the boundary of first macrocell is closed on, to adjacent the second one or more macro base stations
Solicited message is sent, to ask generation across the virtual small of first macrocell and second macrocell
Area；And the confirmation of the solicited message is directed in response to receiving, given birth to for the user equipment
Into the virtual subdistrict.
In accordance with an embodiment of the present disclosure, the confirmation letter of the solicited message is directed in response to receiving
Breath, generating the virtual subdistrict for the user equipment includes：Request letter is directed in response to receiving
The confirmation of breath, for the user equipment is across first macrocell and this is one or more second grand
Cell generates virtual subdistrict, sends data to the user equipment in joint fashion.
In accordance with an embodiment of the present disclosure, the solicited message includes the mark of the multiple first alternative cells
Know, the plurality of first alternative cell include it is requested it is included in the virtual subdistrict, come from
Multiple cells of first macrocell and second macrocell；And the confirmation is included extremely
The mark of few second cell, at least one second alternative cell is included selected from multiple
The cell for allowing to be comprised in the virtual subdistrict of the first alternative cell.Need to refer to
Go out, the confirmation may also not include any cell of the second macrocell.
In accordance with an embodiment of the present disclosure, the confirmation letter of the solicited message is directed in response to receiving
Breath, generating the virtual subdistrict for the user equipment includes：In the absence of for the user equipment
In the case of virtual subdistrict, for the user equipment across first macrocell and this one or more the
Two macrocells create new virtual subdistrict；Or exist for the virtual of the user equipment
In the case of cell, for the user equipment is across first macrocell and this is one or more second grand
The cell update virtual subdistrict is with the virtual subdistrict after being updated.
In accordance with an embodiment of the present disclosure, wherein for the user equipment across first macrocell and this one
Individual or multiple second macrocells, which create new virtual subdistrict, to be included：Make from first macrocell
At least one cell and at least one cell from one or more second macrocells
The new virtual subdistrict of composition；And for the user equipment across first macrocell and this or many
Individual second macrocell updates the virtual subdistrict to be included with the virtual subdistrict after being updated：It will come from
At least one cell of one or more second macrocells is added to existing virtual subdistrict
In, and/or update the cell from first macrocell in the existing virtual subdistrict.
In accordance with an embodiment of the present disclosure, the confirmation letter of the solicited message is directed in response to receiving
Breath, generating the virtual subdistrict for the user equipment includes：It is grand small from one or more of second
Multiple cells in area, which are received, includes the report information of channel condition information；And based on receiving
This report information, first macro base station makes the decision-making for generating the virtual subdistrict, to be this
User equipment generates the virtual subdistrict.
In accordance with an embodiment of the present disclosure, for the user equipment across first macrocell and this or
Multiple second macrocell generation virtual subdistricts include：This is first alternative to multiple for first macro base station
Cell sends the configuration information of UE uplink detection reference signal, so as to each first alternative
Configuration information of the cell based on the uplink detection reference signal estimate itself and the user equipment it
Between channel condition information, and the channel condition information is fed back to first macro base station, so as to be
The user equipment generates the virtual subdistrict.
In accordance with an embodiment of the present disclosure, this method includes：Based on the channel condition information fed back,
First macro base station is made whether the virtual subdistrict of the generation comprising the second alternative cell
Decision-making；And in response to making determining for the virtual subdistrict of the generation comprising the second alternative cell
Plan, first macro base station sends the generation decision information to second macro base station, to be the use
Family equipment generates the virtual subdistrict.
In accordance with an embodiment of the present disclosure, this method includes：Determined in response to receiving for the generation
The confirmation of plan information, first macro base station generates the virtual subdistrict；And do not deposited before
It is all slight into the virtual subdistrict in the case of the virtual subdistrict for the user equipment
Area sends the configuration information for the virtual subdistrict, including virtual subdistrict ID, Yi Jizhu
The configuration of cell；Main cell should obtain the other cells in virtual subdistrict from the first macrocell
Configuration, including reference signal configuration and their physical district ID；And before
In the case of in the presence of the virtual subdistrict for the user equipment, the master into the virtual subdistrict is slight
Area sends the configuration information for the virtual subdistrict.
In accordance with an embodiment of the present disclosure, this method also includes：Master's cell of the virtual subdistrict connects
Receive the status information of the resource allocation from the second alternative cell.
In accordance with an embodiment of the present disclosure, this method includes：First macro base station is to the user equipment
The configuration information of the virtual subdistrict is sent, so that the master of the user equipment into the virtual subdistrict
Cell sends the channel condition information between the user equipment and the virtual subdistrict, with the use
Data are sent between family equipment and the virtual subdistrict.
Another aspect of the present disclosure is related to a kind of be used in the first macrocell across multiple adjacent grand
The equipment that cell generates virtual subdistrict, including：Virtual subdistrict request unit, in response to
Family equipment is located in the first macrocell and closes on the boundary of first macrocell, to adjacent
One or more the second macro base stations send solicited messages, to ask generation first grand small across this
Area and the virtual subdistrict of second macrocell；And virtual subdistrict generating means, in response to
The confirmation for the solicited message is received, the virtual subdistrict is generated for the user equipment.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means are configured as：In response to connecing
The confirmation for the solicited message is received, for the user equipment is across first macrocell and is somebody's turn to do
One or more second macrocells generate virtual subdistricts, with cause the virtual subdistrict independently of this
One macrocell sends data with second macrocell, in an integrated manner to the user equipment.
In accordance with an embodiment of the present disclosure, the solicited message includes the mark of the multiple first alternative cells
Know, the plurality of first alternative cell include it is requested it is included in the virtual subdistrict, come from
Multiple cells of first macrocell and second macrocell；And the confirmation is included extremely
The mark of few second cell, at least one second alternative cell is included selected from multiple
The cell for allowing to be comprised in the virtual subdistrict of the first alternative cell.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means include：Virtual subdistrict is created
Unit, in the case of in the absence of the virtual subdistrict for the user equipment, for the user
Equipment creates new virtual subdistrict across first macrocell and one or more second macrocells；
And virtual subdistrict updating block, for there is the virtual subdistrict for the user equipment
In the case of, it is the user equipment across first macrocell and one or more second macrocells
The virtual subdistrict is updated with the virtual subdistrict after being updated.
In accordance with an embodiment of the present disclosure, the virtual subdistrict creating unit is configured as：Make to come from and be somebody's turn to do
At least one cell of first macrocell and from one or more second macrocells extremely
Few district's groups Cheng Xin one slight virtual subdistrict；And the virtual subdistrict updating block is configured
For：At least one cell from one or more second macrocells is added to existing
In virtual subdistrict, and/or update in the existing virtual subdistrict from the small of first macrocell
Cell.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means include：Report information is received
Unit, includes channel for being received from multiple cells of one or more of second macrocells
The report information of status information；And decision-making determining unit, for based on this report received
Information, makes first macro base station make the decision-making for generating the virtual subdistrict, to be set for the user
It is standby to generate the virtual subdistrict.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means include：Configuration information is sent
Unit, uplink detection ginseng is sent for making first macro base station to multiple first alternative cells
The configuration information of signal is examined, so that each first alternative cell is based on the uplink detection with reference to letter
Number configuration information estimate its channel condition information between the user equipment, and to this first
Macro base station feeds back the channel condition information, so as to generate the virtual subdistrict for the user equipment.
In accordance with an embodiment of the present disclosure, the equipment includes：Decision-making identifying unit, for based on institute
The channel condition information of feedback, makes first macro base station be made whether that generation is second alternative comprising this
The decision-making of the virtual subdistrict of cell；And decision information transmitting element, in response to doing
The decision-making of the virtual subdistrict comprising the second alternative cell is born into, makes first macro base station
The generation decision information is sent to second macro base station, it is virtual to generate this for the user equipment
Cell.
In accordance with an embodiment of the present disclosure, the equipment includes：Virtual subdistrict generation unit, in response to
The confirmation for the generation decision information is received, it is virtual small that first macro base station generates this
Area；And the first configuration information transmitting element, for being directed to the user equipment being not present before
Virtual subdistrict in the case of, all cells into the virtual subdistrict send virtual for this
The configuration information of cell；And the second configuration information transmitting element, for having existed before
For the user equipment virtual subdistrict in the case of, master's cell into virtual subdistrict hair
Send the configuration information for the virtual subdistrict.
In accordance with an embodiment of the present disclosure, the equipment also includes：Status information receiving unit, is used for
Master's cell of the virtual subdistrict is set to receive the resource allocation from the second alternative cell
Status information.
In accordance with an embodiment of the present disclosure, the equipment includes：Data transfer sets up unit, for making
First macro base station sends the configuration information of the virtual subdistrict to the user equipment, so that the user
The master's cell of equipment into the virtual subdistrict send the user equipment and the virtual subdistrict it
Between channel condition information, to send data between the user equipment and the virtual subdistrict.
Brief description of the drawings
Fig. 1 shows to include the virtual subdistrict of the multiple cells for the different macrocells for belonging to adjacent
Schematic diagram.
Fig. 2 is shown according to the embodiment of the present disclosure for virtual small across the generation of multiple adjacent macro cells
The flow chart of the method in area.
Fig. 3 shows be not present before for the virtual of user equipment according to the embodiment of the present disclosure
It is used to create the flow chart of the process of virtual subdistrict across multiple adjacent macro cells in the case of cell.
Fig. 4 is shown according to the embodiment of the present disclosure existing before for the virtual of user equipment
It is used to update the flow chart of the process of virtual subdistrict across multiple adjacent macro cells in the case of cell.
Fig. 5 is shown according to the embodiment of the present disclosure for virtual small across the generation of multiple adjacent macro cells
The block diagram of the equipment in area.
Embodiment
Some example embodiments for being shown in below with reference to the accompanying drawings describe the principle of the disclosure.
Although showing preferred embodiment of the present disclosure in accompanying drawing, it is to be understood that, these implementations are described
Example is merely to better understood when those skilled in the art and then realize the disclosure, and simultaneously
It is non-to limit the scope of the present disclosure in any way.
Fig. 1 includes showing for the virtual subdistrict of the multiple cells for the different macrocells for belonging to adjacent
It is intended to.
Fig. 1 shows a kind of heterogeneous network (heterogeneous network) structure, wherein
Intensive cell 140 or WAP are deployed in macro base station (MeNB) 101,102
Coverage under.Each cell 140 includes base station SeNB 105 one small.In Fig. 1
In shown virtual subdistrict 130, one of those cell may be selected main cell
(MTP) 103 (for example, with dotted line frame side show), it will be responsible in virtual subdistrict 130
Data transfer dynamic dispatching.In the network structure, dual link mechanism is employed, i.e.,
UE 104 is connected with MeNB 101 and virtual subdistrict 130 simultaneously, the four-headed arrow in such as Fig. 1
Shown in a1 and a2.Double-lined arrow between service MeNB 101 and cooperation MeNB 102
The information that b1 is schematically illustrated between the macro base station of two macrocells is exchanged.Herein, it is small
Cell or WAP are also referred to as transmission point (TP).Make as shown in figure 1, UE is located at
Edge for the first macrocell 110 of serving macro-cell is simultaneously closed on as the second grand of cooperation cell
Cell 120.
It may be noted that the disclosure aims to provide a kind of boundary base in multiple adjacent macrocells
In generating the solution of virtual subdistrict from multiple cells of different macrocells.Although figure
Two adjacent macrocells are illustrate only in 1, it is to be understood that, embodiment of the disclosure is not
Be only limitted to two macrocells, the situation of the adjacent macrocell of more than two (such as 3,4,
The situation of 5 or more adjacent macrocells) it should also fall into the protection domain of the disclosure.
Fig. 2 is shown according to the embodiment of the present disclosure for virtual small across the generation of multiple adjacent macro cells
The flow chart of the method 200 in area.Method 200 mainly includes below step S210 and S220.
Step S210：Be located in response to user equipment in the first macrocell and close on this
The boundary of one macrocell, request letter is sent to adjacent the second one or more macro base stations
Breath, to ask generation across the virtual subdistrict of first macrocell He second macrocell；And
Step S220：The confirmation of the solicited message is directed in response to receiving, for the use
Family equipment generates the virtual subdistrict.
Fig. 3 and Fig. 4 are shown respectively to be not present for user before according to the embodiment of the present disclosure
It is (that is, situation 1) and existing before for user equipment in the case of the virtual subdistrict of equipment
Virtual subdistrict in the case of (that is, situation 2) be used for across multiple adjacent macro cells create or more
The flow chart of the process of new virtual subdistrict.
With reference to Fig. 3 or Fig. 4 and reference picture 1, the method 200 shown in Fig. 2 is carried out in detail
Thin description：
In step S210, be located in response to user equipment in the first macrocell and close on this
The boundary of one macrocell, the first macro base station of first macrocell to the first macrocell phase
Corresponding second macro base station of adjacent one or more second macrocells sends solicited message, to ask
Ask for the user equipment to generate across first macrocell and this is one or more second grand small
The virtual subdistrict for including multiple cells in area.
Specific example according to Fig. 3 or Fig. 4, in step 1：It is used as the first macro base station
Service MeNB and exchange information (in such as Fig. 1 as the cooperation MeNB of the second macro base station
Four-headed arrow b1 shown in), the virtual subdistrict unit new for generating.In this step, take
Business MeNB can send solicited message to cooperation MeNB and belong to cooperation MeNB's to dispatch
Cell.
Next, in step S220, being received in response to first macro base station for the request
The confirmation of information, for the user equipment across first macrocell and this one or more second
Macrocell generates virtual subdistrict, with cause the virtual subdistrict independently of first macrocell and this
Two macrocells, in an integrated manner to the user equipment send data.
Specific example according to Fig. 3 or Fig. 4, equally in step 1：It is grand as second
The cooperation MeNB of base station can send confirmation letter to as the service MeNB of the first macro base station
Breath.
In accordance with an embodiment of the present disclosure, the solicited message includes the mark of the multiple first alternative cells
Know, the plurality of first alternative cell includes requested coming from included in the virtual subdistrict should
Multiple cells of first macrocell and second macrocell；And the confirmation is included at least
The mark of one the second cell, at least one second alternative cell includes being somebody's turn to do selected from multiple
The cell for allowing to be comprised in the virtual subdistrict of first alternative cell.
Specific example according to Fig. 3 or Fig. 4, above-mentioned solicited message mainly includes alternative small
The mark (ID) of cell, and above-mentioned confirmation can be with bedding and clothing including which cell
The information of business MeNB scheduling.
In accordance with an embodiment of the present disclosure, following two situation is considered for generation dummy unit：
- situation 1：The situation of the virtual subdistrict for user equipment is not present before；And
- situation 2：There is a situation where the virtual subdistrict for user equipment before.
In accordance with an embodiment of the present disclosure, step S220 includes：Set in the absence of for the user
It is the user equipment across first macrocell in the case of standby virtual subdistrict (that is, situation 1)
New virtual subdistrict is created with one or more second macrocells；And be directed to existing
In the case of the virtual subdistrict of the user equipment (that is, situation 2), for the user equipment across this
One macrocell and one or more second macrocells update the virtual subdistrict to obtain after renewal
Virtual subdistrict.
In accordance with an embodiment of the present disclosure, it is the user equipment across first macrocell and described
One or more second macrocells, which create new virtual subdistrict, to be included：Make to come from first macrocell
At least one cell and from one or more second macrocells at least one is slight
District's groups Cheng Xin virtual subdistrict；And for the user equipment across first macrocell and this or
Multiple second macrocells update the virtual subdistrict to be included with the virtual subdistrict after being updated：In the future
It is added to from least one cell of one or more second macrocells existing virtual small
Qu Zhong, and/or update the cell from first macrocell in the existing virtual subdistrict.
According to the disclosure specific embodiment, in above-mentioned two situations, step S220
It may each comprise：Being received from multiple cells of one or more of second macrocells includes letter
The report information of channel state information；And based on this report information received, the first grand base
Station is made whether the decision-making of the generation virtual subdistrict, and wherein this report information includes but is not limited to letter
Channel state information (CSI), its cell ID (ID) and signal condition information reference signal
(CSI-RS) configuration information.
According to the disclosure more specifically embodiment, in above-mentioned two situations, step
S220 may each comprise：The cell for being not belonging to UE serving cell can be with reporting channel state
Information (CSI), its cell ID (ID) and signal condition information reference signal (CSI-RS)
Configuration information；And based on the above- mentioned information received, service MeNB can be made whether
Generate the decision-making of virtual subdistrict, it is possible to believe to the cell send configuration for belonging to virtual subdistrict
Breath, and service MeNB can also be to UE send configuration information, for channel estimation.
In accordance with an embodiment of the present disclosure, step S220 includes：First macro base station is somebody's turn to do to multiple
First alternative cell sends the configuration information of uplink detection reference signal；And it is up based on this
The configuration information of detection reference signal, each first alternative cell estimates itself and the user equipment
Between channel condition information and feed back the channel condition information to first macro base station.
Specific example according to Fig. 3 or Fig. 4, in step 2：Servicing MeNB can be with
Send the configuration information of for example up (UL) detection reference signal (SRS), and to alternative small
Cell (transmission point) reporting conditions for SRS reception.
It may be noted that can cause which slight position service MeNB knows in the following way
Near UE：
- assume that UE establishes connection with service MeNB, and service MeNB can be with
Measurement configuration is sent to UE；
- UE can detect the cell around it, and then UE can be to service MeNB reports
Accuse measurement result.
Specific example according to Fig. 3 or Fig. 4, in step 3：Alternative cell can be with
Measure and estimate CSI (channel quality information CQI is also contained in interior).In step 4：
If reporting conditions are met, alternative cell can be to service MeNB report CSI (CQI
It is included) and physical district ID.Those cells for being not belonging to service MeNB are needed
Report CSI and CSI-RS configurations, and physical district ID.
In accordance with an embodiment of the present disclosure, this method 200 includes：Based on the channel status fed back
Information, first macro base station be made whether generation comprising the second alternative cell this virtually it is small
The decision-making in area；And in response to making the virtual subdistrict that generation includes the second alternative cell
Decision-making, first macro base station sends the generation decision information to second macro base station.
Specific example according to Fig. 3 or Fig. 4, in steps of 5：Service MeNB makes
Whether the decision-making of virtual subdistrict is generated.
Specific example according to Fig. 3 or Fig. 4, in step 6：Service MeNB and
The MeNB that cooperates exchanges virtual subdistrict generation decision information.In this step, MeNB is serviced
It can notify that cooperation which cell of MeNB will be comprised in new virtual subdistrict, and assist
The generation of the virtual subdistrict is can confirm that as MeNB.
In accordance with an embodiment of the present disclosure, this method 200 includes：The life is directed in response to receiving
Into the confirmation of decision information, first macro base station generates the virtual subdistrict；And before
It is all into the virtual subdistrict in the case of in the absence of the virtual subdistrict for the user equipment
Cell sends the configuration information for the virtual subdistrict；And exist for being somebody's turn to do before
In the case of the virtual subdistrict of user equipment, master's cell into the virtual subdistrict, which is sent, to be directed to
The configuration information of the virtual subdistrict.
Specific example according to Fig. 3, is being not present for the virtual of the user equipment before
In the case of cell (that is, in situation 1), in step 7：If service MeNB makes
The decision-making of virtual subdistrict is generated, then servicing MeNB can be to the cell for belonging to the virtual subdistrict
(transmission point) sends the configuration of virtual subdistrict.The configuration can include but is not limited to following information：
Which cell is main cell (or MTP), CSI-RS configurations and virtual subdistrict ID.
, there is the void for the user equipment before in the specific example according to Fig. 4
In the case of plan cell (that is, in situation 2), in step 7：If service MeNB is done
The decision-making of virtual subdistrict is born into, then service MeNB only can send out to main cell (MTP)
Give the decision-making and corresponding configuration.It may be noted that for the virtual subdistrict after renewal, its MTP
It may also change.
It may be noted that proposing the virtual subdistrict generation scheme of two kinds of scenes in the disclosure.It
Difference essentially consist in above-mentioned step 7.In step 7 in case 1, macro base station will
To each cell transmission signaling of virtual subdistrict.That is, to allow each cell to be known
Which cell is main cell (MTP).In step 7 in case 2, macro base station master
If notifying update status of the MTP on cell.
In accordance with an embodiment of the present disclosure, this method 200 includes：The second alternative cell to this
Master's cell of virtual subdistrict sends the status information of resource allocation.
Specific example according to Fig. 3 or Fig. 4, in step 8：It is not belonging to service MeNB
Cell (transmission point) need to virtual subdistrict master's cell send resource allocation state.
In accordance with an embodiment of the present disclosure, this method includes：First macro base station is to the user equipment
Send the configuration information of the virtual subdistrict；
Specific example according to Fig. 3 or Fig. 4, in step 9：Service MeNB to
UE sends the configuration information of virtual subdistrict, for example, TP physical district ID, CSI-RS match somebody with somebody
Put, virtual subdistrict ID and MTP configuration.
And send the use in response to the master's cell of the user equipment into the virtual subdistrict
Channel condition information between family equipment and the virtual subdistrict, with empty in the user equipment and information
Intend sending data between cell.
Specific example according to Fig. 3 or Fig. 4, in step 10：UE is by CSI feedback
MTP to virtual subdistrict.
Specific example according to Fig. 3 or Fig. 4, in a step 11：Start UE and virtual
Data transfer between cell.
Fig. 5 is shown according to the embodiment of the present disclosure for virtual small across the generation of multiple adjacent macro cells
The block diagram of the equipment 500 in area.
The equipment 500 includes：Virtual subdistrict request unit 510, in response to user equipment
In the first macrocell and the boundary of first macrocell is closed on, to adjacent one
Or the second multiple macro base stations sends solicited message, to ask generation across first macrocell and be somebody's turn to do
The virtual subdistrict of second macrocell；And virtual subdistrict generating means 520, in response to connecing
The confirmation for the solicited message is received, the virtual subdistrict is generated for the user equipment.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means 520 are configured as：Response
It is the user equipment across first macrocell in receiving the confirmation for the solicited message
With one or more second macrocells generation virtual subdistricts, with cause the virtual subdistrict independently of
First macrocell sends number with second macrocell, in an integrated manner to the user equipment
According to.
In accordance with an embodiment of the present disclosure, the solicited message includes the mark of the multiple first alternative cells
Know, the plurality of first alternative cell include it is requested it is included in the virtual subdistrict, come from
Multiple cells of first macrocell and second macrocell；And the confirmation is included extremely
The mark of few second cell, at least one second alternative cell is included selected from multiple
The cell for allowing to be comprised in the virtual subdistrict of the first alternative cell.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means 520 include：Virtual subdistrict
Creating unit, in the case of in the absence of the virtual subdistrict for the user equipment, for this
User equipment creates newly virtual across first macrocell and one or more second macrocells
Cell；And virtual subdistrict updating block, for there is the void for the user equipment
Intend cell in the case of, for the user equipment across first macrocell and this one or more second
Macrocell updates the virtual subdistrict with the virtual subdistrict after being updated.
In accordance with an embodiment of the present disclosure, the virtual subdistrict creating unit is configured as：Make to come from and be somebody's turn to do
At least one cell of first macrocell and from one or more second macrocells extremely
Few district's groups Cheng Xin one slight virtual subdistrict；And the virtual subdistrict updating block is configured
For：At least one cell from one or more second macrocells is added to existing
In virtual subdistrict, and/or update in the existing virtual subdistrict from the small of first macrocell
Cell.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means 520 include：Report information
Receiving unit, being received from multiple cells of one or more of second macrocells includes channel
The report information of status information；And decision-making determining unit, for based on this report received
Information, makes first macro base station make the decision-making for generating the virtual subdistrict, to be set for the user
It is standby to generate the virtual subdistrict.
In accordance with an embodiment of the present disclosure, the virtual subdistrict generating means 520 include：Configuration information
Transmitting element, up visit is sent for making first macro base station to multiple first alternative cells
The configuration information of reference signal is surveyed, so that each first alternative cell is joined based on the uplink detection
The configuration information for examining signal estimates its channel condition information between the user equipment, and to this
First macro base station feeds back the channel condition information, virtual small to generate this for the user equipment
Area.
In accordance with an embodiment of the present disclosure, the equipment 500 includes：Decision-making identifying unit, for base
In the channel condition information fed back, make first macro base station be made whether generation comprising this second
The decision-making of the virtual subdistrict of alternative cell；And decision information transmitting element, for responding
In the decision-making for making the virtual subdistrict of the generation comprising the second alternative cell, make this first grand
Base station sends the generation decision information to second macro base station, to be somebody's turn to do for user equipment generation
Virtual subdistrict.
In accordance with an embodiment of the present disclosure, the equipment 500 includes：Virtual subdistrict generation unit, rings
Ying Yu receives the confirmation for the generation decision information, and first macro base station generates the void
Intend cell；And the first configuration information transmitting element, for being directed to the user being not present before
In the case of the virtual subdistrict of equipment, all cells into the virtual subdistrict are sent for being somebody's turn to do
The configuration information of virtual subdistrict；And the second configuration information transmitting element, for before
In the case of in the presence of the virtual subdistrict for the user equipment, the master into the virtual subdistrict is slight
Area sends the configuration information for the virtual subdistrict.
In accordance with an embodiment of the present disclosure, the equipment 500 also includes：Status information receiving unit,
Master's cell for making the virtual subdistrict receives the resource from the second alternative cell point
The status information matched somebody with somebody.
In accordance with an embodiment of the present disclosure, the equipment 500 includes：Data transfer sets up unit, uses
In the configuration information for making first macro base station send the virtual subdistrict to the user equipment, so that should
It is virtual small with this that the master's cell of user equipment into the virtual subdistrict sends the user equipment
Channel condition information between area, to send number between the user equipment and the virtual subdistrict
According to.
In summary, the various embodiments of the disclosure provide a kind of be used for across multiple adjacent macro cells
Generate the method and apparatus of virtual subdistrict.This method includes：It is located at first in response to user equipment
In macrocell and the boundary of first macrocell is closed on, to adjacent one or more
Second macro base station sends solicited message, to ask generation across first macrocell and this is second grand small
The virtual subdistrict in area；And the confirmation of the solicited message is directed in response to receiving, for this
User equipment generates the virtual subdistrict.By this way so that the virtual subdistrict can be realized
The leap of multiple macrocells, in an integrated manner to the user equipment send data.
The alternative embodiment of the disclosure is the foregoing is only, the disclosure is not limited to, for
For those skilled in the art, the disclosure can have various modifications and variations.It is all in the disclosure
Spirit and principle within, any modification, equivalence replacement, improvement for being made etc. all should be included
Within the protection domain of the disclosure.
Claims (22)
1. a kind of method for being used to generate virtual subdistrict across multiple adjacent macro cells, including：
It is located in response to user equipment in the first macrocell and closes on first macrocell
Boundary, sends solicited message, that please seek survival to adjacent the second one or more macro base stations
Into the virtual subdistrict across first macrocell and second macrocell；And
The confirmation of the solicited message is directed in response to receiving, is the user equipment life
Into the virtual subdistrict.
2. according to the method described in claim 1, wherein being directed to the request in response to receiving
The confirmation of information, is that the user equipment generation virtual subdistrict includes：
The confirmation of the solicited message is directed in response to receiving, be the user equipment across
First macrocell and one or more of second macrocells generation virtual subdistrict, to cause
The virtual subdistrict is independently of first macrocell and second macrocell, with united side
Formula sends data to the user equipment.
3. according to the method described in claim 1, wherein
The solicited message includes the mark of the multiple first alternative cells, and the multiple first is standby
Select cell include it is requested it is being included in the virtual subdistrict, from first macrocell
With multiple cells of second macrocell；And
The confirmation includes the mark of at least one the second cell, it is described at least one
Two alternative cells are comprised in institute including allowing selected from the multiple described first alternative cells
State the cell in virtual subdistrict.
4. according to the method described in claim 1, wherein being directed to the request in response to receiving
The confirmation of information, is that the user equipment generation virtual subdistrict includes：
It is that the user sets in the case of in the absence of the virtual subdistrict for the user equipment
It is standby to create newly virtual small across first macrocell and one or more of second macrocells
Area；Or
It is the user in the case where there is the virtual subdistrict for the user equipment
Equipment updates described virtual across first macrocell and one or more of second macrocells
Cell is with the virtual subdistrict after being updated.
5. method according to claim 4, wherein
It is the user equipment across first macrocell and one or more of second grand small
Area, which creates new virtual subdistrict, to be included：
Make at least one cell from first macrocell and from one
Or at least one slight district's groups Cheng Xin of multiple second macrocells virtual subdistrict；And
It is the user equipment across first macrocell and one or more of second grand small
Area updates the virtual subdistrict to be included with the virtual subdistrict after being updated：
By at least one cell addition from one or more of second macrocells
Into existing virtual subdistrict, and/or update in the existing virtual subdistrict from described the
The cell of one macrocell.
6. according to the method described in claim 1, wherein being directed to the request in response to receiving
The confirmation of information, is that the user equipment generation virtual subdistrict includes：
Being received from multiple cells of one or more of second macrocells includes channel status
The report information of information；And
Based on the report information received, the decision-making for generating the virtual subdistrict is made, with
Just the virtual subdistrict is generated for the user equipment.
7. method according to claim 3, wherein being the user equipment across described first
Macrocell and one or more of second macrocells generation virtual subdistrict include：
The uplink detection on the user equipment is sent to the multiple described first alternative cells
The configuration information of reference signal, so that each first alternative cell is joined based on the uplink detection
The configuration information of signal is examined, its channel condition information between the user equipment is estimated, and
The channel condition information is fed back to first macro base station, so as to be user equipment generation
The virtual subdistrict.
8. method according to claim 7, including：
Based on the channel condition information fed back, it is made whether that generation is alternative small comprising described second
The decision-making of the virtual subdistrict of cell；And
In response to making determining for the virtual subdistrict of the generation comprising the described second alternative cell
Plan, the generation decision information is sent to second macro base station, to be the user equipment
Generate the virtual subdistrict.
9. method according to claim 8, including：
The confirmation of the generation decision information is directed in response to receiving, is generated described virtual
Cell；And
In the case where the virtual subdistrict for the user equipment is not present before, to the void
All cells intended in cell send the configuration information for being directed to the virtual subdistrict；And
In the case where there is the virtual subdistrict for the user equipment before, to described
Master's cell in virtual subdistrict sends the configuration information for the virtual subdistrict.
10. method according to claim 9, also includes：
Master's cell of the virtual subdistrict receives the resource from the described second alternative cell
The status information of distribution.
11. method according to claim 10, also includes：
The configuration information of the virtual subdistrict is sent to the user equipment, so that the user sets
Standby master's cell into the virtual subdistrict sends the user equipment and described virtual
Channel condition information between cell, to be sent out between the user equipment and the virtual subdistrict
Send data.
12. a kind of equipment for being used to generate virtual subdistrict across multiple adjacent macro cells, including：
Virtual subdistrict request unit, for being located in response to user equipment in the first macrocell, simultaneously
And the boundary of first macrocell is closed on, to adjacent the second one or more macro base stations
Solicited message is sent, to ask generation across the void of first macrocell and second macrocell
Intend cell；And
Virtual subdistrict generating means, the confirmation for being directed to the solicited message in response to receiving
Information, is that the user equipment generates the virtual subdistrict.
13. equipment according to claim 12, wherein the virtual subdistrict generating means quilt
It is configured to：
The confirmation of the solicited message is directed in response to receiving, be the user equipment across
First macrocell and one or more of second macrocells generation virtual subdistrict, to cause
The virtual subdistrict is independently of first macrocell and second macrocell, with united side
Formula sends data to the user equipment.
14. equipment according to claim 12, wherein
The solicited message includes the mark of the multiple first alternative cells, and the multiple first is standby
Select cell include it is requested it is being included in the virtual subdistrict, from first macrocell
With multiple cells of second macrocell；And
The confirmation includes the mark of at least one the second cell, it is described at least one
Two alternative cells are comprised in institute including allowing selected from the multiple described first alternative cells
State the cell in virtual subdistrict.
15. equipment according to claim 12, wherein the virtual subdistrict generating means bag
Include：
Virtual subdistrict creating unit, in the absence of the virtual subdistrict for the user equipment
In the case of, it is the user equipment across first macrocell and one or more of second
Macrocell creates new virtual subdistrict；And
Virtual subdistrict updating block, for existing for the virtual small of the user equipment
It is the user equipment across first macrocell and one or more of in the case of area
Two macrocells update the virtual subdistrict with the virtual subdistrict after being updated.
16. equipment according to claim 15, wherein
The virtual subdistrict creating unit is configured as：Make from first macrocell at least
One cell and at least one slight district's groups from one or more of second macrocells
Cheng Xin virtual subdistrict；And
The virtual subdistrict updating block is configured as：Will be grand from one or more of second
At least one of cell cell is added in existing virtual subdistrict, and/or updates described existing
Virtual subdistrict in the cell from first macrocell.
17. equipment according to claim 12, wherein the virtual subdistrict generating means bag
Include：
Report information receiving unit, for from the multiple small of one or more of second macrocells
Cell, which is received, includes the report information of channel condition information；And
Decision-making determining unit, it is described for based on the report information received, making generation
The decision-making of virtual subdistrict, to generate the virtual subdistrict for the user equipment.
18. equipment according to claim 14, wherein the virtual subdistrict generating means bag
Include：
Configuration information transmitting element, for sending up visit to the multiple described first alternative cells
The configuration information of reference signal is surveyed, so that each first alternative cell is based on the uplink detection
The configuration information of reference signal, estimates its channel condition information between the user equipment,
And the channel condition information is fed back to first macro base station, so as to be user equipment life
Into the virtual subdistrict.
19. equipment according to claim 18, including：
Decision-making identifying unit, for based on the channel condition information fed back, being made whether generation
The decision-making of the virtual subdistrict comprising the described second alternative cell；And
Decision information transmitting element, for alternative slight comprising described second in response to making generation
The decision-making of the virtual subdistrict in area, the generation decision-making letter is sent to second macro base station
Breath, to generate the virtual subdistrict for the user equipment.
20. equipment according to claim 19, including：
Virtual subdistrict generation unit, the confirmation of the generation decision information is directed in response to receiving
Information, generates the virtual subdistrict；And
First configuration information transmitting element, for being not present before for the user equipment
In the case of virtual subdistrict, all cells into the virtual subdistrict, which are sent, is directed to the void
Intend the configuration information of cell；And
Second configuration information transmitting element, for existing for the user equipment before
Virtual subdistrict in the case of, master's cell into the virtual subdistrict, which is sent, is directed to the void
Intend the configuration information of cell.
21. equipment according to claim 20, also includes：
Status information receiving unit, master's cell for making the virtual subdistrict, which is received, comes from institute
State the status information of the resource allocation of the second alternative cell.
22. equipment according to claim 21, also includes：
Data transfer sets up unit, for sending matching somebody with somebody for the virtual subdistrict to the user equipment
Confidence ceases, so that the master cell of the user equipment into the virtual subdistrict sends institute
The channel condition information between user equipment and the virtual subdistrict is stated, with the user equipment
Data are sent between the virtual subdistrict.
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| CN201610015699.8A CN106961686B (en) | 2016-01-11 | 2016-01-11 | Method and apparatus for generating virtual cells across multiple neighboring macro cells |
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| CN201610015699.8A CN106961686B (en) | 2016-01-11 | 2016-01-11 | Method and apparatus for generating virtual cells across multiple neighboring macro cells |
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| CN106961686B (en) | 2019-12-24 |
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