CN107454641A - The communication means and corresponding device implemented in ultra dense net - Google Patents
The communication means and corresponding device implemented in ultra dense net Download PDFInfo
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- CN107454641A CN107454641A CN201610379001.0A CN201610379001A CN107454641A CN 107454641 A CN107454641 A CN 107454641A CN 201610379001 A CN201610379001 A CN 201610379001A CN 107454641 A CN107454641 A CN 107454641A
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- 230000000977 initiatory effect Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 50
- 230000004044 response Effects 0.000 claims description 40
- 230000011664 signaling Effects 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
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- 230000008859 change Effects 0.000 description 2
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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Abstract
Present disclose provides the communication means implemented in ultra dense net, base station and terminal device.The communication means implemented wherein at the source macro base station of ultra dense net, including：The virtual subdistrict of the source macro base station and the connection of target macro base station are established in initiation, so that the virtual subdistrict switches to the target macro base station；Discharge the connection of the source macro base station and the virtual subdistrict；Initiate the connection for the terminal device and target macro base station established in the virtual subdistrict；And the connection of the release source macro base station and the terminal device.The program realizes seamless and quick virtual subdistrict switching, improves Consumer's Experience.
Description
Technical field
Embodiment of the disclosure relates generally to the communications field, in particular it relates in ultra dense net
Communication means, base station and the terminal device of implementation.
Background technology
With the rapid growth of mobile network's business demand, deployment is referred to as the height of " ultra dense net "
Dense network turns into a kind of technological trend.However, exist in dense network some urgently to be resolved hurrily
The problem of.For example, terminal device may have to face more serious interference.In addition, cell
Between handing-over can occur it is frequent.Virtual subdistrict, which has been suggested, to solve the above problems.
As a rule, virtual subdistrict is by one group of slight district's groups for being used for interference coordination and joint transmission
Into.Virtual subdistrict is normally based on terminal device and determined.With the movement of terminal device,
Therefore virtual subdistrict can change.In other words, virtual subdistrict becomes with the movement of terminal device
It is dynamic, therefore virtual subdistrict may also need to be joined or be connected to new macro base station.At present not
The technical solution joined when having the switching of processing virtual subdistrict between base station.
The content of the invention
Generally, embodiment of the disclosure propose at base station and terminal device implement method,
Base station and terminal device.
The first aspect of the disclosure provides a kind of the logical of implementation at the source macro base station of ultra dense net
Letter method.This method includes：Virtual subdistrict and the target macro base of the source macro base station are established in initiation
The connection stood, so that the virtual subdistrict switches to the target macro base station；It is grand to discharge the source
The connection of base station and the virtual subdistrict；Initiate the terminal device established in the virtual subdistrict with
The connection of the target macro base station；And the company of the release source macro base station and the terminal device
Connect.
In certain embodiments, virtual subdistrict and the target macro base of the source macro base station are established in initiation
The connection stood includes：From the source macro base station to the target macro base station, send described virtual small
Area switches to the first request of the target macro base station；Receiving first from the target macro base station should
Answer, it is described that first response indicates that the target macro base station agrees to that the virtual subdistrict switches to
Target macro base station；And receive the virtual subdistrict and the target macro base from the virtual subdistrict
The instruction that the connection between standing has been established.
In certain embodiments, sending first request includes：Send the virtual subdistrict
Configuration information and the mark of the virtual subdistrict.
In certain embodiments, receiving first response includes：Connect from the target macro base station
Receive at least one of following：The target macro base station is the cell wireless network of terminal device distribution
Network temporary mark (C-RNTI), and target macro base station described in the terminal device Stochastic accessing
Required information.
In certain embodiments, the terminal device and the mesh that initiation is established in the virtual subdistrict
The connection of mark macro base station includes：Order is sent to the terminal device to indicate the terminal device
Switch to the target macro base station.
In certain embodiments, the order includes wireless heterogeneous networks (RRC) signaling.
In certain embodiments, the terminal device and the mesh that initiation is established in the virtual subdistrict
The connection of mark macro base station includes：Sent to the terminal device at least one of following：The target
Macro base station is the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI) of terminal device distribution, with
And the information described in the terminal device Stochastic accessing needed for target macro base station.
The second aspect of the disclosure provides what a kind of target macro base station in ultra dense net was implemented
Communication means.This method includes：The target is switched in response to the virtual subdistrict of source macro base station
First request of macro base station, establish the connection of the virtual subdistrict and the target macro base station；Ring
The random access request of terminal device in virtual subdistrict described in Ying Yu, establish the terminal device
With the connection of the target macro base station.
In certain embodiments, in response to the described first request, the virtual subdistrict and institute are established
Stating the connection of target macro base station includes：The virtual subdistrict is received from the source macro base station to switch to
First request of the target macro base station；From the target macro base station to the source macro base station, hair
The instruction target macro base station is sent to agree to that the virtual subdistrict switches to the target macro base station
First response；From the target macro base station to the virtual subdistrict, send by the virtual subdistrict
Distribute the second request of the Radio Resource of the RAB (E-RAB) for specific evolution；
The RAB (E-RAB) point indicated as specific evolution is received from the virtual subdistrict
Second response of the Radio Resource matched somebody with somebody；Based on the Radio Resource, establish the virtual subdistrict with
The connection of the target macro base station.
In certain embodiments, receiving first request includes：Receive the virtual subdistrict
Configuration information and the mark of the virtual subdistrict.
In certain embodiments, sending first response includes：Sent to the source macro base station
At least one of below：The target macro base station is the cell-radio network of terminal device distribution
Temporary mark (C-RNTI), and target macro base station institute described in the terminal device Stochastic accessing
The information needed.
In certain embodiments, in addition to：From the target macro base station to the virtual subdistrict,
Send the finger that the connection between the terminal device and the target macro base station has been established
Show.
The third aspect of the disclosure provides a kind of small base station of the master in the virtual subdistrict of ultra dense net
Locate the communication means implemented.This method includes：In response to being distributed by the virtual subdistrict for spy
Determine the Radio Resource of the RAB (E-RAB) of evolution second is asked, described in distribution
Radio Resource；Based on the Radio Resource, the virtual subdistrict and the target macro base station are established
Connection；Discharge the connection of the source macro base station and the virtual subdistrict.
In certain embodiments, in response to the described second request, distributing the Radio Resource includes：
Receive to be distributed by the virtual subdistrict from the target macro base station and connect for the wireless of specific evolution
Enter the second request of the Radio Resource of carrying (E-RAB)；Distribute for the wireless of specific evolution
The Radio Resource of access bearer (E-RAB)；From the virtual subdistrict to the target macro base station,
The second response is sent, second response indicates the RAB for specific evolution
(E-RAB) Radio Resource of distribution.
In certain embodiments, in addition to：To the source macro base station send the virtual subdistrict with
The instruction that the connection between the target macro base station has been established；From the target macro base station
Receive the finger that the connection between the terminal device and the target macro base station has been established
Show.
The fourth aspect of the disclosure provides a kind of the logical of implementation at the terminal device of ultra dense net
Letter method.This method includes：Received from source macro base station and indicate that the terminal device switches to target
The order of macro base station；By way of Stochastic accessing, the target macro base station is connected to；Release
The connection of the source macro base station and the terminal device.
In certain embodiments, the life for indicating that the terminal device switches to target macro base station is received
Order includes：Received from the source macro base station at least one of following：The target macro base station is described
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI) of terminal device distribution, and the terminal are set
Information described in standby Stochastic accessing needed for target macro base station.
It should be appreciated that the content described in Summary is not intended to limit disclosure reality
The key or key character of example are applied, it is also non-to be used to limit the scope of the present disclosure.The disclosure it is other
Feature will be easy to understand by following description.
Brief description of the drawings
Retouched by reading with reference to the detailed of being made to non-limiting example of being made of the following drawings
State, the other features, objects and advantages of the disclosure will become more apparent：
Fig. 1 shows the example system that embodiment of the disclosure can be implemented within；
Fig. 2 shows the example implemented at the macro base station of source of some embodiments according to the disclosure
The flow chart of method；
Fig. 3 shows the showing in the implementation of target macro base station of some embodiments according to the disclosure
The flow chart of example method；
Fig. 4 shows the example implemented at virtual subdistrict of some embodiments according to the disclosure
The flow chart of method；
Fig. 5 shows the example implemented at terminal device of some embodiments according to the disclosure
The flow chart of method；
Fig. 6 shows each communication between devices in system of some embodiments according to the disclosure
And/or the flow chart of processing；
Fig. 7 shows the device operated at the macro base station of source of some embodiments according to the disclosure
Block diagram；
Fig. 8 shows the dress operated in target macro base station of some embodiments according to the disclosure
The block diagram put；
Fig. 9 shows the small base station of the master in virtual subdistrict according to some embodiments of the disclosure
Locate the block diagram of the device of operation；
Figure 10 shows the dress operated at terminal device of some embodiments according to the disclosure
The block diagram put；And
Figure 11 shows the block diagram for the equipment for being adapted for carrying out the embodiment of the present disclosure.
In all of the figs, same or similar reference numeral represents same or similar element.
Embodiment
In the specific descriptions of following preferred embodiment, by with reference to a composition disclosure part
Appended accompanying drawing.The spy that can realize the disclosure has been illustrated by way of example in appended accompanying drawing
Fixed embodiment.The embodiment of example is not intended as all embodiments of the limit according to the disclosure.
It is appreciated that on the premise of without departing from the scope of the present disclosure, other embodiment can be utilized,
Structural or logicality modification can also be carried out.Therefore, following specific descriptions not limit
Property processed, and the scope of the present disclosure is defined by the claims appended hereto.In addition, although explanation
The step of method is described in book in a particular order, but this do not require that or imply it is necessary
These operations are performed according to the particular order, or have to carry out the operation ability shown in whole
Desired result is realized, on the contrary, the step of describing can change execution sequence.It is additionally or standby
Selection of land, it is convenient to omit some steps, multiple steps are merged into a step and performed, and/or will
One step is decomposed into execution of multiple steps.
Term " base station " as used herein can represent node B (NodeB or NB), drill
Enter node B (eNodeB or eNB), remote radio unit (RRU), radio-frequency maser (RH),
Remote radio heads (RRH), repeater or such as femto base station, femto base station
Deng low power nodes etc..
Term " terminal device " as used herein is to refer between base station or each other
Carry out any terminal device of radio communication.As an example, terminal device can include movement eventually
Hold (MT), subscriber stations (SS), portable subscriber platform (PSS), mobile station (MS) or
Access terminal (AT), and vehicle-mounted the said equipment.
Term " comprising " as used herein and its deformation are that opening includes, i.e., " including but not
It is limited to ".Term "based" is " being based at least partially on ".Term " one embodiment " table
Show " at least one embodiment "；Term " another embodiment " expression is " at least one other
Embodiment ".The related definition of other terms provides in will be described below.
The example system 100 that embodiment of the disclosure can be implemented within is shown in Fig. 1
Schematic diagram.The system is hexagon and the network structure with dual link, wherein virtual subdistrict
108 at the edge of two macrocells.In the case of dual link, terminal device is connected to void simultaneously
Intend cell and macrocell, and virtual subdistrict is also connected in macrocell.When terminal device 102
Another grand base is moved to from the coverage of a macro base station 104 (being referred to as " source macro base station ")
Stand 106 (being referred to as " target macro base station ") coverage when, terminal device is needed from the grand base in source
Stand and 104 be handover to target macro base station 106, and virtual subdistrict will be also needed from source macro base station 104
It is in trust to target macro base station 106.If the handing-over is not implemented correctly, it will at end
End equipment produces bad quality of experience and system performance, thus be badly in need of one kind can realize it is seamless
And the scheme of Rapid Implementation virtual subdistrict switching.
In order to solve these and other potential problems, embodiment of the disclosure provides one kind and existed
The communication plan implemented in ultra dense net.According to the program, when terminal device 102 is from source macro base station
104 coverage moves to the coverage of target macro base station 106, and needs virtual
Cell 108 and terminal device 102 are handover to target macro base station 106 from source macro base station 104 and managed
When, source macro base station 104 initiates to establish virtual subdistrict 108 and the connection of target macro base station 106,
Target macro base station 106 is established with virtual subdistrict 108 in response to the request of source macro base station 104 and connected,
Then source macro base station 104 connects with the release of virtual subdistrict 108；Source macro base station 104 initiates to establish
The connection of terminal device 102 and target macro base station 106 in virtual subdistrict, terminal device 102
Connection is established in order and target macro base station 106 in response to source macro base station 104, then the grand base in source
Stand 104 with terminal device 102 release connect.The program is realized seamless and quickly virtual small
Area switches, and improves Consumer's Experience.This programme is described in detail for we below.
Fig. 2 show according to some embodiments of the disclosure implement at source macro base station 104 show
The flow chart of example method 200.As illustrated, in step 205, source macro base station 104 initiates to build
The virtual subdistrict 108 of vertical source macro base station and the connection of target macro base station 106, so as to virtual subdistrict
108 switch to target macro base station 106.Then, in step 210, when target macro base station 106
After connection being established with virtual subdistrict 108, the release of source macro base station 104 and virtual subdistrict 108
Connection.In step 215, source macro base station 104 initiates the terminal device 102 established in virtual subdistrict
With the connection of target macro base station 106.Then, in a step 220, when target macro base station 106
After connection being established with terminal device 102, the release of source macro base station 104 and the connection of terminal device.
Fig. 3 shows the implementation at target macro base station 106 of some embodiments according to the disclosure
Exemplary method 300 flow chart.As illustrated, in step 305, when source macro base station 104
Initiation is established after the virtual subdistrict 108 of source macro base station and the connection of target macro base station 106, mesh
Mark macro base station 106 switches to target macro base station 106 in response to the virtual subdistrict 108 of source macro base station
Request, establish the connection of virtual subdistrict 108 and target macro base station 106.Then, in step
310, after the terminal device 102 in virtual subdistrict sends random access request, target macro
The connection of terminal device 102 and target macro base station 106 is established in base station 106.
Fig. 4 shows the example implemented at virtual subdistrict of some embodiments according to the disclosure
The flow chart of method 400.It is appreciated that in certain embodiments, virtual subdistrict is by cell
In master small base station 108-1 manage.Therefore, the method implemented at virtual subdistrict can be with
It is considered to be what is implemented at the small base station 108-1 of the master.
As illustrated, in step 405, virtual subdistrict 108 is in response to from target macro base station 106
The second request that place receives, the connection point between virtual subdistrict 108 and target macro base station 106
The Radio Resource of the RAB (E-RAB) of specific evolution is used in, wherein second please
Ask for asking to distribute the RAB for specific evolution by virtual subdistrict 108
(E-RAB) Radio Resource.Then, in step 410, virtual subdistrict 108 is based on dividing
The Radio Resource matched somebody with somebody, establish the connection of virtual subdistrict 108 and target macro base station 106.Then,
In step 415, virtual subdistrict 108 discharges the connection between source macro base station 104.
Fig. 5 shows the example implemented at terminal device of some embodiments according to the disclosure
The flow chart of method 500.As illustrated, in step 505, terminal device 102 is from the grand base in source
104 reception instruction terminal equipment 102 of standing switch to the order of target macro base station 106.Then,
In step 510, terminal device 102 accesses to target macro base station by way of Stochastic accessing
106.In step 515, after target macro base station is accessed to, terminal device 102 discharges and source
The connection of macro base station 104.In one embodiment, order includes wireless heterogeneous networks (RRC)
Signaling, wireless heterogeneous networks (RRC) signaling are terminal device including target macro base station 106
102 distribution Cell Radio Network Temporary Identifier/Identity, Cell-RNTIs (C-RNTI) and/or terminal device 102 with
Information needed for machine access target macro base station 106.
Above by reference to Fig. 2-Fig. 5, respectively describe source macro base station, target macro base station,
The method 200-500 implemented at user equipment and virtual subdistrict.By each side according to the disclosure
The method compounding practice of embodiment, seamless, quick virtual subdistrict switching can be effectively realized.
Below with reference to Fig. 6 descriptions according to some embodiments of the disclosure between each equipment of system
Communication and/or the flow chart of processing.It is appreciated that the process shown in Fig. 6 can be considered as method
A kind of 200-500 example implementation.Below in conjunction with the example system in Fig. 1, pass through a reality
Example is applied, the method for being further described at each equipment implementing in systems this programme.
As shown in figure 1, in one embodiment, example system is a kind of hexagon and had
There is multiple intensive cells or nothing in the network structure of dual link, wherein macro base station coverage
Line access point.Multiple cells can form virtual subdistrict 108, and one of them cell can be with
As master's cell, the small base station 108-1 of master of master's cell undertakes data in virtual subdistrict and passed
The task of defeated dynamic dispatching, terminal device is connected to virtual subdistrict simultaneously in the network structure
And macrocell, and virtual subdistrict is also connected in macrocell.
As illustrated, when terminal device 102 is moved to from the region that source macro base station 104 is covered
When in the region that target macro base station 106 is covered, positioned at source macro base station 104 and target macro base station
The virtual subdistrict 108 at 106 edges needs to be switched to target macro base station from source macro base station 104
106.In order to implement the switching, according to the embodiment of the disclosure, source macro base station 104 is to mesh
Mark macro base station 106 sends (602) first requests, to ask virtual subdistrict 108 to switch to mesh
Mark macro base station 106.In one embodiment, first request includes the configuration of virtual subdistrict
Information and the mark of virtual subdistrict, so which target macro base station 106 is it is known that takes over
One virtual subdistrict.
Target macro base station 106 is after the first request is received, if target BS 106 agrees to void
Intend cell 108 and switch to target macro base station 106, then sending (604) to source macro base station 104 returns
Should the first the first response asked.First response instruction target macro base station 106 is agreed to virtual
Cell 108 switches to target macro base station 106.In one embodiment, the first response includes
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI distributed for the terminal device 102 in virtual subdistrict
(C-RNTI) and/or for the Stochastic accessing of terminal device 102 to target macro base station 106
Information, so that terminal device 102 can access to target macro by way of Stochastic accessing
In base station 106.
Target macro base station 106 is sent (606) in response to the first request to virtual subdistrict 108
Second request, using the main small base station of request between virtual subdistrict 108 and target macro base station 106
Radio Resource of the connection distribution for the RAB (E-RAB) of specific evolution.
Virtual subdistrict 108 is in response to the second request, for the RAB of specific evolution
(E-RAB) (608) Radio Resource is distributed, Radio Resource is used in target macro base station 106
Connection is established between virtual subdistrict 108.
Virtual subdistrict 108 sends (610) to target macro base station 106 and responds second request
Second response, wherein the second response indicates the RAB (E-RAB) for specific evolution
The Radio Resource of distribution, so that target macro base station 106 can be based on the Radio Resource and void
Intend cell and establish connection.
Target macro base station 106 is utilized as the RAB of specific evolution with virtual subdistrict 108
(E-RAB) Radio Resource of distribution establishes (612) target macro base station 106 and virtual subdistrict
Connection between 108.
After target macro base station 106 and virtual subdistrict 108, which are established, to be connected, virtual subdistrict 108
Sent to source macro base station 104 between (614) virtual subdistrict 108 and target macro base station 106
Connect the instruction being established.
The company between virtual subdistrict 108 and target macro base station 106 is received in source macro base station 104
After connecing the instruction being established, the connection between (616) and virtual subdistrict 108 is discharged.
Source macro base station 104 sends (618) order with instruction terminal equipment to terminal device 102
Switch to target macro base station 106.In one embodiment, the order is wireless heterogeneous networks
(RRC) signaling, wireless heterogeneous networks (RRC) signaling include source macro base station 104 in step
The target macro base station 106 obtained in rapid 604 is the cell-radio network that terminal device 102 distributes
Temporary mark (C-RNTI) and/or the institute of 102 Stochastic accessing target macro base station of terminal device 106
The information needed.
Terminal device 102 is utilized as the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI of terminal device distribution
(C-RNTI) and/or the information for terminal device Stochastic accessing (620) to target macro base station,
Target macro base station 106 is accessed to by way of Stochastic accessing.
It is successfully accessed in terminal device 102 to target macro base station 106, target macro base station 106
Sent to virtual subdistrict 108 between (622) terminal device 102 and target macro base station 106
Connect the instruction being established.
Established between terminal device 102 and target macro base station 106 after connection, source macro base station
Connection between 104 releases (624) and terminal device 102.
By said process, the terminal device in virtual subdistrict and virtual subdistrict is by successfully from source
Macro base station switches to target macro base station, terminal device 102 and virtual subdistrict 108 and target macro base
Stand and establish dual link communication between 106 again, it is possible to implement normal data transfer.
Fig. 7 shows the device operated at the macro base station of source of some embodiments according to the disclosure
700 block diagram.In certain embodiments, device 700 can be source macro base station in itself.For example,
Device 700 may be embodied as the source macro base station 104 shown in Fig. 1 and Fig. 6.As illustrated, dress
Putting 700 includes：First transmitting element 702, it is configured as from source macro base station to target macro base station,
Send the first request that virtual subdistrict 108 switches to target macro base station 106；First receiving unit
704, it is configured as receiving the first response, the first response instruction target macro base from target macro base station
Stand and agree to that virtual subdistrict 108 switches to target macro base station 106；And first releasing unit 706,
It is configured as the connection of source of release macro base station and virtual subdistrict；Wherein the first receiving unit 704,
Be additionally configured to from virtual subdistrict receive connection between virtual subdistrict and target macro base station by
The instruction of foundation；First transmitting element 702, be additionally configured to terminal device send order with
Instruction terminal equipment switches to target macro base station；First releasing unit 706, is additionally configured to release
Put the connection of source macro base station and terminal device.
Fig. 8 shows the dress operated in target macro base station of some embodiments according to the disclosure
Put 800 block diagram.In certain embodiments, device 800 can be target macro base station in itself.
For example, device 800 may be embodied as the target macro base station 106 shown in Fig. 1 and Fig. 6.Such as figure
Shown, device 800 includes：Second receiving unit 802, it is configured as receiving from source macro base station
Virtual subdistrict 108 switches to the first request of target macro base station 106；Second transmitting element 804,
It is configured as from target macro base station to source macro base station, it is virtual small sends the macro base station agreement of instruction target
Area 108 switches to the first response of target macro base station 106；And second connection unit 806,
It is configured as being based on Radio Resource, establishes the connection of virtual subdistrict and target macro base station；Wherein
Two transmitting elements 804, it is additionally configured to, from target macro base station to virtual subdistrict, send by virtual
Cell distributes the second of the Radio Resource of the RAB (E-RAB) for specific evolution
Request；Second receiving unit 802, it is additionally configured to the reception from virtual subdistrict and indicates to be specific
Second response of the Radio Resource of RAB (E-RAB) distribution of evolution；Second connects
Order member 806, it is additionally configured to establish the connection of terminal device and target macro base station；Second hair
Send unit 804, be additionally configured to from target macro base station to virtual subdistrict, send terminal device with
The instruction that connection between target macro base station has been established.
Fig. 9 shows the device operated in the small base station of master of some embodiments according to the disclosure
900 block diagram.In certain embodiments, device 900 can be main small base station in itself.For example,
Device 900 may be embodied as the small base station 108-1 of master shown in Fig. 1 and Fig. 6.As illustrated,
Device 900 includes：3rd receiving unit 902, it is configured as receiving by void from target macro base station
Intend cell distributes the Radio Resource of RAB (E-RAB) for specific evolution the
Two requests；3rd allocation unit 904, it is configured as wireless access of the distribution for specific evolution
Carry the Radio Resource of (E-RAB)；3rd transmitting element 906, it is configured as from virtual small
Area sends the second response, the second response is indicated as the wireless of specific evolution to target macro base station
The Radio Resource of access bearer (E-RAB) distribution；3rd connection unit 908, is configured as
Based on Radio Resource, the connection of virtual subdistrict and target macro base station is established；And the 3rd release it is single
Member 910, is configured as the connection of source of release macro base station and virtual subdistrict；Wherein the 3rd sends list
Member 906, it is additionally configured to send the company between virtual subdistrict and target macro base station to source macro base station
Connect the instruction being established；3rd receiving unit 902, it is additionally configured to connect from target macro base station
Receive the instruction that the connection between terminal device and target macro base station has been established.
Figure 10 shows the dress operated at terminal device of some embodiments according to the disclosure
Put 1000 block diagram.In certain embodiments, device 1000 can be terminal device in itself.
For example, device 1000 may be embodied as the terminal device 102 shown in Fig. 1 and Fig. 6.As schemed
Show, device 1000 includes：4th receiving unit 1002, it is configured as receiving from source macro base station
Instruction terminal equipment switches to the order of target macro base station；4th connection unit 1004, is configured
For by way of Stochastic accessing, terminal device is connected to target macro base station；And the 4th release
Unit 1006 is put, is configured as the connection of source of release macro base station and terminal device.
It should be appreciated that function/operation of unit is by reference to upper in device 700 to 1000
Literary accompanying drawing is described.Therefore, operations described above and feature are equally applicable to device 700
The unit included in 1000, and there is same effect, detail repeats no more.
Included unit sharp can be realized in various manners in device 700 to 1000, be wrapped
Include software, hardware, firmware or its any combination.In one embodiment, it is one or more single
Member can be realized using software and/or firmware, such as the machine stored on a storage medium can be held
Row instruction.In addition to machine-executable instruction or alternatively, device 700 to 1000
In some or all of unit can be at least in part by one or more hardware logic components
To realize.It is unrestricted as example, the hardware logic component bag for the exemplary type that can be used
Include field programmable gate array (FPGA), application specific integrated circuit (ASIC), application specific standard product
(ASSP), on-chip system (SOC), CPLD (CPLD), etc..
These units shown in Fig. 7 to 10 can partially or entirely be embodied as hardware mould
Block, software module, firmware module or its any combination.Especially, in certain embodiments,
Above-described flow, method or process can be by the hardware in base station or terminal device Lai real
It is existing.For example, base station or terminal device can utilize its transmitter, receiver, transceiver and
/ or processor or controller carry out implementation method 602 to 624.
Figure 11 shows the block diagram for the equipment 1100 for being adapted for carrying out embodiment of the disclosure.If
Standby 1100 can be used for realizing base station (such as source macro base station 104 shown in Fig. 1, target macro
Base station 106, main small base station 108-1) and/or terminal device (such as the terminal shown in Fig. 1
Equipment 102).
As illustrated, equipment 1100 includes processor 1102 and is couple to processor 1102
Memory 1104.Memory 1104 is stored with the instruction 1106 that can be run by processor 1102.
Memory 1104 can apply to any suitable type of local technical environment, and can
To be realized using any suitable data storage technology, including but not limited to based on semiconductor
Memory device, magnetic memory device and system, light storage device and system.Although in Figure 11 only
A memory cell is illustrate only, but there can be multiple physics different in equipment 1100
Memory cell.
Processor 1102 can apply to any suitable type of local technical environment, and
And all-purpose computer, special-purpose computer, microprocessor, data signal can be included but is not limited to
One or more of processor (DSP) and polycaryon processor framework based on processor are more
It is individual.Equipment 1100 can also include multiple processors 1102.Processor 1102 is configured as holding
The implementation method 200 to 500 of row as shown in Figures 2 to 5.Moreover, with reference to described by figure 6
During each step, function, feature can equally perform and real by processor 1102
It is existing.
In addition, equipment 1100 can also include device/element of any other needs, such as send out
Send device, receiver, transceiver, antenna, etc..These parts can be in processor 1102
Control under, perform corresponding action to realize method as described above/process.Just to clear
These device/elements are not shown for the sake of clear, in Figure 11.
In general, the various example embodiments of the disclosure can be in hardware or special circuit, soft
Implement in part, logic, or its any combinations.Some aspects can be implemented within hardware, and its
He aspect can by controller, microprocessor or other computing devices firmware or
Implement in software.When each side of embodiment of the disclosure is illustrated or described as block diagram, flow
Figure or using other some figures represent when, it will be understood that square frame described herein, device, system,
Techniques or methods can be used as nonrestrictive example in hardware, software, firmware, special circuit
Or implement in logic, common hardware or controller or other computing devices, or its some combination.
As an example, the implementation woods of the disclosure can in the context of machine-executable instruction quilt
Description, machine-executable instruction are such as included in the device on the true or virtual processor of target
In the program module performed in part.In general, program module include routine, program, storehouse,
Object, class, component, data structure etc., it performs specific task or realized and specifically takes out
Image data structure.In embodiments, the function of program module can be in described program mould
Merge between block or split.For program module machine-executable instruction can local or
Performed in person's distributed apparatus.In distributed apparatus, program module can be located locally and far
In both journey storage mediums.
For realizing that the computer program code of disclosed method can use one or more compile
Cheng Yuyan writes.These computer program codes can be supplied to all-purpose computer, dedicated computing
The processor of machine or other programmable data processing units so that program code is by computer
Or when the execution of other programmable data processing units, cause in flow chart and/or block diagram
Defined function/operation is carried out.Program code completely on computers, can calculated partly
On machine, as independent software kit, part on computers and part on the remote computer or
Performed completely on remote computer or server.
In the context of the disclosure, machine readable media can include or store to be used for or have
Any tangible medium on the program of instruction execution system, device or equipment.Machine readable Jie
Matter can be machine-readable signal medium or machinable medium.Machine readable media can be with
Including but not limited to electronics, magnetic, optical, electromagnetism, infrared or semiconductor system,
Device or equipment, or its any appropriate combination.The more detailed example of machinable medium
Including the electrical connection with one or more wire, portable computer diskette, hard disk, with
Machine memory access device (RAM), read-only storage (ROM), erasable programmable is read-only deposits
Reservoir (EPROM or flash memory), light storage device, magnetic storage apparatus, or its is any appropriate
Combination.
In addition, although operation is depicted with particular order, but this and should not be construed and require this
Generic operation is completed with the particular order that shows or with sequential order, or performs the behaviour of all diagrams
Make to obtain expected result.In some cases, multitask or parallel processing can be beneficial.
Similarly, although discussed above contain some specific implementation details, this should not be explained
To limit the scope of any invention or claim, and should be interpreted that to specific invention can be directed to
Specific embodiment description.In this specification described in the context of separated embodiment
Some features can also combined implementation in single embodiment.Conversely, in the upper of single embodiment
Various features described in hereafter can also be discretely in multiple embodiments or any suitable
Implement in sub-portfolio.
Although describing theme with the language specific to architectural feature and/or method action,
It is it should be appreciated that theme defined in the appended claims is not limited to above-described specific spy
Sign or action.On the contrary, above-described special characteristic and action are as realizing claim
Exemplary forms and be disclosed.
Claims (21)
1. a kind of communication means implemented at the source macro base station of ultra dense net, including：
The virtual subdistrict of the source macro base station and the connection of target macro base station are established in initiation, with toilet
State virtual subdistrict and switch to the target macro base station；
Discharge the connection of the source macro base station and the virtual subdistrict；
Initiate the connection for the terminal device and target macro base station established in the virtual subdistrict；
And
Discharge the connection of the source macro base station and the terminal device.
2. according to the method for claim 1, wherein initiating to establish the void of the source macro base station
Intending cell and the connection of target macro base station includes：
From the source macro base station to the target macro base station, send the virtual subdistrict and switch to institute
State the first request of target macro base station；
The first response is received from the target macro base station, first response indicates the target macro
Agree to that the virtual subdistrict switches to the target macro base station in base station；And
The institute between the virtual subdistrict and the target macro base station is received from the virtual subdistrict
State the instruction that connection has been established.
3. according to the method for claim 2, wherein sending first request includes：
Send the configuration information of the virtual subdistrict and the mark of the virtual subdistrict.
4. according to the method for claim 2, wherein receiving first response includes：
Received from the target macro base station at least one of following：The target macro base station is the end
The Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI) of end equipment distribution, and the terminal device
Information described in Stochastic accessing needed for target macro base station.
5. according to the method for claim 1, wherein initiating to establish in the virtual subdistrict
The connection of terminal device and the target macro base station includes：
Order is sent to the terminal device to indicate that the terminal device switches to the target
Macro base station.
6. according to the method for claim 5, wherein the order includes wireless heterogeneous networks
(RRC) signaling.
7. according to the method for claim 1, wherein initiating to establish in the virtual subdistrict
The connection of terminal device and the target macro base station includes：
Sent to the terminal device at least one of following：The target macro base station is the terminal
Equipment distribution Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI), and the terminal device with
Machine accesses the information needed for the target macro base station.
8. the communication means that a kind of target macro base station in ultra dense net is implemented, including：
The first request of the target macro base station is switched in response to the virtual subdistrict of source macro base station,
Establish the connection of the virtual subdistrict and the target macro base station；
In response to the random access request of the terminal device in the virtual subdistrict, the end is established
End equipment and the connection of the target macro base station.
9. according to the method for claim 8, established wherein in response to the described first request
The virtual subdistrict and the connection of the target macro base station include：
Receive that the virtual subdistrict switches to the target macro base station from the source macro base station the
One request；
From the target macro base station to the source macro base station, send and indicate that the target macro base station is same
The virtual subdistrict of anticipating switches to the first response of the target macro base station；
From the target macro base station to the virtual subdistrict, send to be distributed by the virtual subdistrict and use
In the second request of the Radio Resource of the RAB (E-RAB) of specific evolution；
The RAB indicated as specific evolution is received from the virtual subdistrict
(E-RAB) the second response of the Radio Resource of distribution；
Based on the Radio Resource, the company of the virtual subdistrict and the target macro base station is established
Connect.
10. according to the method for claim 9, wherein receiving first request includes：
Receive the configuration information of the virtual subdistrict and the mark of the virtual subdistrict.
11. according to the method for claim 9, wherein sending first response includes：
Sent to the source macro base station at least one of following：The target macro base station is the terminal
Equipment distribution Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI), and the terminal device with
Machine accesses the information needed for the target macro base station.
12. according to the method for claim 8, wherein also including：
From the target macro base station to the virtual subdistrict, the terminal device and the mesh are sent
The instruction that the connection between mark macro base station has been established.
13. the communication means that a kind of small base station of master in the virtual subdistrict of ultra dense net is implemented, bag
Include：
In response to distributing the RAB for specific evolution by the virtual subdistrict
(E-RAB) the second request of Radio Resource, distributes the Radio Resource；
Based on the Radio Resource, the company of the virtual subdistrict and the target macro base station is established
Connect；
Discharge the connection of the source macro base station and the virtual subdistrict.
14. according to the method for claim 13, divide wherein in response to the described second request
Include with the Radio Resource：
The nothing distributed by the virtual subdistrict for specific evolution is received from the target macro base station
Second request of the Radio Resource of line access bearer (E-RAB)；
Distribute the Radio Resource of the RAB (E-RAB) for specific evolution；
From the virtual subdistrict to the target macro base station, the second response is sent, described second should
Answer the Radio Resource for indicating RAB (E-RAB) distribution for specific evolution.
15. according to the method for claim 13, wherein also including：
The institute between the virtual subdistrict and the target macro base station is sent to the source macro base station
State the instruction that connection has been established；
Received from the target macro base station between the terminal device and the target macro base station
It is described to connect the instruction being established.
16. a kind of communication means implemented at the terminal device of ultra dense net, including：
The order for indicating that the terminal device switches to target macro base station is received from source macro base station；
By way of Stochastic accessing, the target macro base station is connected to；
Discharge the connection of the source macro base station and the terminal device.
17. according to the method for claim 16, indicate that the terminal device is cut wherein receiving
Shifting to the order of target macro base station includes：
Received from the source macro base station at least one of following：The target macro base station is the terminal
Equipment distribution Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI), and the terminal device with
Machine accesses the information needed for the target macro base station.
18. a kind of base station equipment, including：
Processor；And
The memory of instruction is stored with, the instruction causes described when being run by the processor
Base station equipment performs the method according to any one of claim 1-7.
19. a kind of base station equipment, including：
Processor；And
The memory of instruction is stored with, the instruction causes described when being run by the processor
Base station equipment performs the method according to any one of claim 8-12.
20. a kind of base station equipment, including：
Processor；And
The memory of instruction is stored with, the instruction causes described when being run by the processor
Base station equipment performs the method according to any one of claim 13-15.
21. a kind of terminal device, including：
Processor；And
The memory of instruction is stored with, the instruction causes described when being run by the processor
Terminal device performs the method according to any one of claim 16-17.
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| CN201610379001.0A CN107454641B (en) | 2016-05-31 | 2016-05-31 | Communication method implemented in ultra-dense network and corresponding device |
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|---|---|---|---|
| CN201610379001.0A CN107454641B (en) | 2016-05-31 | 2016-05-31 | Communication method implemented in ultra-dense network and corresponding device |
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Cited By (1)
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| WO2020199991A1 (en) * | 2019-03-30 | 2020-10-08 | 华为技术有限公司 | Communication method, device and system |
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| CN107454641B (en) | 2020-12-08 |
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