CN104581698B - Dual link user identifies determination method and macro cell base station and small-cell base station - Google Patents
Dual link user identifies determination method and macro cell base station and small-cell base station Download PDFInfo
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- CN104581698B CN104581698B CN201310479141.1A CN201310479141A CN104581698B CN 104581698 B CN104581698 B CN 104581698B CN 201310479141 A CN201310479141 A CN 201310479141A CN 104581698 B CN104581698 B CN 104581698B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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Abstract
The present invention provides the determination method and macro cell base station (MeNB) and small-cell base station (SeNB) of the Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C RNTI) of dual link user, including：Reserved dual link user's ident value scope；Reserved dual link user's ident value scope is indicated to all small-cell base stations；Small-cell base station feeds back the scope of available or unavailable ident value to macro cell base station, and macro cell base station determines final ident value scope and is indicated to related small-cell base station；Receive the access request that dual link user sends；The dual link ident value that macro cell base station shares from final ident value scope for dual link user distribution；Indicate that dual link small-cell base station shares the dual link ident value of distribution with macro cell base station.The present invention specify that in dual link scene, and dual link user can use identical C RNTI in MeNB and SeNB, and according to dual link number of users Dynamical Deployment C RNTI scope of resource, substantially increase the utilization rate of C RNTI resources.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to dual link user to identify determination method and macro cell base station
And small-cell base station.
Background technology
Doubly-linked connection technology is covered and use is identical for macro cell base station (MeNB) and small-cell base station (SeNB) are overlapping
Or the scene of different frequency；Or small-cell base station covering is only existed, the nonideal scene of return link between cell introduces
's.Dual link refers to that user (UE) provides Radio Resource, that is, user by the undesirable network node of multiple return links
Exist simultaneously with MeNB and SeNB and eat dishes without rice or wine to be connected, it means that MeNB and SeNB can provide the user service simultaneously.Due to UE
There is SeNB with MeNB while connection be present, UE is moved inside macro cell base station and entered or leave a Microcell
When, can be without handoff procedure, and simply use similar to resource reconfiguration process to be configured for UE or discharge cell base
Stand resource, can not only so improve the mobility performance of heterogeneous network, the signalling loads of whole system can also be reduced.
In carrier aggregation (CA) scene of prior art, UE may have multiple serving cells, but these serving cells are all
Under same base station, according to Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C-RNTI) definition, C-RNTI should belong to cell-level.
In CA scenes, C-RNTI of the CA user in all serving cells is identical, is coordinated by inside of base station；In other scenes
In, UE also only has a serving cell, and the C-RNTI used in UE is also unique.Each distributed by each base station and safeguard cell
C-RNTI resources, do not restrict mutually between base station.
But the distribution method of the C-RNTI under above-mentioned same base station is not suitable for doubly-linked connection technology but.In dual link
In technology, connect because dual link user exists with two base stations simultaneously, whether used in the serving cell under different base station
Identical C-RNTI also determines without discussion.If can not specify dual link user the C-RNTI used in MeNB and SeNB whether
It is identical, cell will be not easy to and pass through the operations such as scheduling of the C-RNTI information completion to UE.
The content of the invention
(1) technical problems to be solved
The present invention provides dual link user and identifies determination method and macro cell base station and small-cell base station, solves in doubly-linked
Connect in scene, do not determine whether dual link user uses identical C-RNTI technical problem in MeNB and SeNB.
(2) technical scheme
In order to solve the above technical problems, the present invention, which provides a kind of macro cell base station dual link user, identifies determination method, in advance
Dual link user's ident value scope is stayed, this method also includes：
Reserved dual link user's ident value scope is indicated to all small-cell base stations；
Receive the access request that dual link user sends；
Macro cell base station is distributed for dual link user and dual link is slight from reserved dual link user's ident value scope
The shared dual link ident value in area base station；
The dual link ident value of distribution is sent to the dual link user and dual link small-cell base station, indicates doubly-linked
Connect the dual link ident value that small-cell base station shares distribution with macro cell base station.
Further,
It is described reserved dual link user's ident value scope is indicated to all small-cell base stations after, it is described receive it is double
Before the access request that connection user sends, in addition to：
Receive all small-cell base stations feedback in the range of reserved dual link user's ident value, itself available doubly-linked
Connect user's ident value scope；
Obtain the common factor of all available dual link user ident value scope of all small-cell base stations and macro cell base station；
Described occur simultaneously for reserved dual link user's ident value scope is specified to all small-cell base stations.
Further, methods described also includes：The reserved dual link user is adjusted according to the quantity of dual link user
Ident value scope.
Further,
Through existing X2 interface, information exchange is carried out with all small-cell base stations by way of increasing information element；
Or, through existing X2 interface or newly-increased Xn interfaces, pass through signaling message and all small-cell base stations newly defined
Carry out information exchange.
On the other hand, the present invention also provides a kind of small-cell base station dual link user and identifies determination method, including：
All small-cell base stations receive the reserved dual link user's ident value scope indicated by macro cell base station；
Macro cell base station is received from reserved dual link user's ident value scope by dual link small-cell base station, for access
Dual link user distribution the dual link ident value that shares of macro cell base station and dual link small-cell base station；
Dual link small-cell base station shares the dual link ident value with macro cell base station.
Further, after the dual link small-cell base station and macro cell base station share the dual link ident value,
Also include：
When the dual link ident value is not distributed to other users by dual link small-cell base station, the dual link is accessed
User；
When the dual link ident value is distributed to existing user by dual link small-cell base station, judge existing user and
The priority of the dual link user：
When existing user is identical with the priority of dual link user, or, the priority of dual link user is low, and dual link is slight
Access failure is fed back to macro cell base station in area base station；When the priority of dual link user is higher, dual link small-cell base station will be existing
There is user's release, access dual link user.
Further, receive in all small-cell base stations and marked by the reserved dual link user of macro cell base station instruction
After knowledge value scope, and macro cell base station is received from reserved dual link user's ident value by dual link small-cell base station described
In scope, for the macro cell base station of the dual link user distribution of the access dual link ident value shared with dual link small-cell base station
Before, in addition to：
All small-cell base stations are fed back in the range of reserved dual link user's ident value to macro cell base station, and itself is available
Dual link user's ident value scope；
All small-cell base stations receive what is specified by macro cell base station, and all small-cell base stations and macro cell base station are all available
Dual link user's ident value scope common factor, as reserved dual link user's ident value scope.
Further, methods described also includes：All small-cell base stations are received by macro cell base station instruction, according to doubly-linked
Connect reserved dual link user's ident value scope of the quantity adjustment of user.
Further, it is characterised in that：
All small-cell base stations pass through existing X2 interface, are carried out by way of increasing information element with macro cell base station
Information exchange；
Or, all small-cell base stations are through existing X2 interface or newly-increased Xn interfaces, by the signaling message that newly defines with
Macro cell base station carries out information exchange.
On the other hand, the present invention also provides a kind of macro cell base station, including：Scope Prearranged elements, scope indicating member, connect
Connect receiving unit, ident value allocation unit and ident value transmitting element；Scope Prearranged elements and scope indicating member, ident value point
It is respectively connected with unit, ident value allocation unit is also with being connected receiving unit, ident value transmitting element is respectively connected with, wherein：
Scope Prearranged elements, for reserving dual link user's ident value scope, and send to scope indicating member and mark
It is worth allocation unit；
Scope indicating member, the dual link user's ident value scope reserved for range of receiving Prearranged elements, and referred to
Show to all small-cell base stations；
Receiving unit, the access request sent for receiving dual link user are connected, and notifies ident value allocation unit；
Ident value allocation unit, the dual link user's ident value scope and dual link reserved for range of receiving Prearranged elements
User's access request, macro cell base station and dual link are distributed for dual link user from reserved dual link user's ident value scope
The shared dual link ident value of small-cell base station, sends to ident value transmitting element；
Ident value transmitting element, for receiving the dual link ident value of ident value allocation unit distribution, it is sent to described double
User and dual link small-cell base station are connected, instruction dual link small-cell base station shares the dual link of distribution with macro cell base station
Ident value.
Further, the scope Prearranged elements also include：
Feedback reception subelement, for receive all small-cell base stations feedback in reserved dual link user's ident value model
In enclosing, itself available dual link user ident value scope；
Common factor subelement, it is connected with feedback reception subelement, for obtaining all small-cell base stations and macro cell base station all
The common factor of available dual link user ident value scope, and send to scope indicating member；
The scope indicating member also includes：Occur simultaneously instruction subelement, all small for being specified to all small-cell base stations
The common factor of cell base station and all available dual link user ident value scope of macro cell base station, identified for reserved dual link user
It is worth scope.
Further, the scope Prearranged elements also include：
Scope adjusts subelement, for adjusting reserved dual link user's ident value according to the quantity of dual link user
Scope, and send to scope indicating member.
Further,
The scope indicating member and the ident value transmitting element also include respectively：
Information element subelement, for by way of increasing information element, through existing X2 interface and all small cells
Base station carries out information exchange；
Or, signaling message subelement, for by way of newly defining signaling message, through existing X2 interface or newly-increased
Xn interfaces carry out information exchange with all small-cell base stations.
Another further aspect, the present invention also provide a kind of small-cell base station, including range reception unit, ident value receiving unit and
Ident value sharing unit；Ident value receiving unit is connected with ident value sharing unit, wherein：
Range reception unit, for receiving the reserved dual link user's ident value scope indicated by macro cell base station；
Ident value receiving unit, for when being specified by macro cell base station with dual link user progress dual link, receiving grand
Cell base station from reserved dual link user's ident value scope, for access the macro cell base station distributed of dual link user with it is double
The shared dual link ident value of small-cell base station is connected, is sent to ident value sharing unit；
Ident value sharing unit, for receiving the dual link ident value transmitted by ident value receiving unit, with macrocell base
Stand and share the dual link ident value.
Further, the base station also includes：
Access unit, it is connected with ident value sharing unit, for when small-cell base station is not by the dual link ident value point
During dispensing other users, the dual link user is accessed；
Priority judging unit, it is connected with ident value sharing unit, for when small-cell base station is by the dual link mark
When knowledge value distributes to existing user, judge the priority of existing user and the dual link user and perform following operate：
When existing user is identical with the priority of dual link user, or, the priority of dual link user is low, to macrocell base
Feedback of standing access failure；When the priority of dual link user is higher, existing user is discharged, accesses dual link user.
Further, the range reception unit also includes：
Subelement is fed back, in the range of reserved dual link user's ident value, itself can to macro cell base station feedback
Dual link user's ident value scope；
Common factor receiving subelement, for receiving what is specified by macro cell base station, all small-cell base stations and macro cell base station
The common factor of all available dual link user ident value scope, as reserved dual link user's ident value scope.
Further, the range reception unit also includes：
Scope adjusts receiving subelement, for receiving by macro cell base station instruction, is adjusted according to the quantity of dual link user
Whole reserved dual link user's ident value scope.
Further,
The range reception unit, ident value receiving unit and the priority judging unit also include respectively：
Information element subelement, for by way of increasing information element, through existing X2 interface and macro cell base station
Carry out information exchange；
Or, signaling message subelement, for by way of newly defining signaling message, through existing X2 interface or newly-increased
Xn interfaces carry out information exchange with macro cell base station.
(3) beneficial effect
In dual link user proposed by the present invention identifies determination method and macro cell base station and small-cell base station, Neng Goutong
The dual link ident value that macro cell base station distribution shares with dual link small-cell base station is crossed, specify that in dual link scene, it is double
Connection user uses identical C-RNTI in MeNB and SeNB, and provides the tool that identical C-RNTI is distributed between two base stations
Body solves method.Can the present invention solves in the prior art, identical C- is used for the serving cell under different base station
The technical problem that RNTI has not determined.
In addition, the present invention can be according to dual link number of users Dynamical Deployment C-RNTI scope of resource, this way side
Just flexibly, the utilization rate of C-RNTI resources is substantially increased.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the basic procedure schematic diagram that macro cell base station dual link of embodiment of the present invention user identifies determination method；
Fig. 2 is the basic procedure schematic diagram that small-cell base station dual link of embodiment of the present invention user identifies determination method；
Fig. 3 is the schematic flow sheet that the dual link user of the embodiment of the present invention 1 identifies determination method；
Fig. 4 is the schematic flow sheet that the dual link user of the embodiment of the present invention 2 identifies determination method；
Fig. 5 is the basic structure schematic diagram of macro cell base station of the embodiment of the present invention；
Fig. 6 is the structural representation of a preferred embodiment of macro cell base station of the present invention；
Fig. 7 is the basic structure schematic diagram of small-cell base station of the embodiment of the present invention；
Fig. 8 is the structural representation of one preferred embodiment of small-cell base station of the present invention；
Fig. 9 is the structural representation of one preferred embodiment of small-cell base station of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiment of the present invention proposes that a kind of macro cell base station dual link user identifies determination method first, referring to Fig. 1, bag
Include：
Step 101：Reserved dual link user's ident value scope.
Step 102：Reserved dual link user's ident value scope is indicated to all small-cell base stations.
Step 103：Receive the access request that dual link user sends.
Step 104：From reserved dual link user's ident value scope for dual link user distribute macro cell base station with it is double
Connect the shared dual link ident value of small-cell base station.
Step 105：The dual link ident value of distribution is sent to the dual link user and dual link small-cell base station,
Indicate that dual link small-cell base station shares the dual link ident value of distribution with macro cell base station.
The embodiment of the present invention also provides a kind of small-cell base station dual link user and identifies determination method, referring to Fig. 2, including：
Step 201：All small-cell base stations receive the reserved dual link user's ident value model indicated by macro cell base station
Enclose.
Step 202：Macro cell base station is received from reserved dual link user's ident value scope by dual link small-cell base station
In, for the macro cell base station of the dual link user distribution of the access dual link ident value shared with dual link small-cell base station.
Step 203：Dual link small-cell base station shares the dual link ident value with macro cell base station.
It can be seen that a kind of macro cell base station proposed in the embodiment of the present invention and small-cell base station dual link user identify and determined
In method, the dual link ident value shared with dual link small-cell base station can be distributed by macro cell base station, specify that double
Connect in scene, dual link user uses identical C-RNTI in MeNB and SeNB, and provides and distributed between two base stations
Identical C-RNTI specific solution method.The embodiment of the present invention solves in the prior art, small for the service under different base station
Can area use the technical problem that identical C-RNTI has not determined.
In the practical application of the embodiment of the present invention, dual link user's ident value scope can also be by macro cell base station and small
Cell base station consults common determine after carrying out multiple information exchange.Preferably, in the dual link user's ident value scope that will be reserved
Be indicated to after all small-cell base stations, and have dual link user access before, macro cell base station can obtain all cells
Base station feedback should in the range of which C-RNTI value it is available, and all small-cell base stations are collected by macro cell base station and fed back and macrocell
After the available C-RNTI values in base station are occured simultaneously, then by occuring simultaneously it is indicated to all small-cell base stations.
Correspondingly, all small-cell base stations are fed back in the range of reserved dual link user's ident value to macro cell base station,
Itself available dual link user ident value scope；Then all small-cell base stations receive what is specified by macro cell base station, own
The common factor of small-cell base station and all available dual link user ident value scope of macro cell base station, as reserved dual link user
Ident value scope.Now, small-cell base station, which obtains, needs reserved C-RNTI scopes, then will not be again by the C-RNTI in the range of this
Value distributes to domestic consumer.This way avoids the problem of reserved C-RNTI is taken by domestic consumer, and utilization rate is higher, no
The wasting of resources can be caused.In addition, small-cell base station need not be faced because C-RNTI has distributed to domestic consumer, cause to discharge and connect
The problem of entering, it would not also influence the experience of domestic consumer.
In the practical application of the embodiment of the present invention, the priority of dual link user can be higher than domestic consumer.Preferably,
After dual link small-cell base station shares dual link ident value and macro cell base station, it can also include：
When the dual link ident value is not distributed to other users by dual link small-cell base station, the dual link is accessed
User；
When the dual link ident value is distributed to existing user by dual link small-cell base station, judge existing user and
The priority of the dual link user：When existing user is identical with the priority of dual link user or the priority of dual link user
Relatively low, dual link small-cell base station feeds back access failure to macro cell base station；It is now double when the priority of dual link user is higher
Connection small-cell base station discharges existing user, accesses dual link user, and the dual link ident value and dual link user are believed
Breath is corresponded and stored.
In one embodiment of the invention, when the quantity adjustment of dual link user in a period of time is very big, may lead
C-RNTI scopes reserved before are caused to be insufficient for the access demand of dual link user, now MeNB can be adjusted as needed
Dual link user's ident value scope.Also, all SeNB are received by MeNB instructions, are adjusted according to the quantity of dual link user
Reserved dual link user's ident value scope.SeNB can also feed back available C-RNTI scopes again, make MeNB specify final institute
The C-RNTI scopes after adjustment can be used as by the use of the common factor of C-RNTI scopes by having in SeNB and MeNB.This way is convenient, flexible, energy
The demand of enough dynamically adapting dual link users, substantially increase the utilization rate of C-RNTI resources.
In the practical application of the embodiment of the present invention, due in dual link scene, the return link between MeNB and SeNB
It is undesirable, so information exchange is carried out between two base stations can introduce a new Xn interface, original X2 interface can also be used.
When interacting dual link user's context by Xn or X2 interface between MeNB and SeNB, dual link user's ident value model can be coordinated
Enclose, transmit dual link user's connection status.Wherein it is preferred to it can newly define a letter transmitted by Xn interfaces or X2 interface
Message transmission is made to distribute to the C-RNTI used in dual link user；, can also be in existing X2 message if X2 interface can use
The C-RNTI used in dual link user is distributed in one information element (IE) instruction of increase.
Below to be specially exemplified by accessed dual link user distributes dual link user's ident value, two implementations are lifted respectively
Example illustrates the specific implementation process of the embodiment of the present invention：
Embodiment 1：
The embodiment of the present invention 1 for small-cell base station after reserved dual link user's ident value scope is received, without to
Macro cell base station feeds back the situation of usable range, referring to Fig. 3：
Step 301：Reserved dual link user's ident value scope is indicated to all small-cell base stations by macro cell base station.
In this step, dual link user's ident value scope is determined by macro cell base station, in embodiments of the present invention, is
This scope is assigned to all small-cell base stations by 003D-FFF3, macro cell base station.In the embodiment of the present invention, macro cell base station and
Every terms of information is transmitted by the signaling message transmitted by Xn interfaces newly defined between small-cell base station.Hereafter it is all small
The C-RNTI values that cell base station will not reallocate in the range of this are to domestic consumer.
Step 302：Macro cell base station receives the access request that dual link user sends.
In this step, macro cell base station receives the access request that user sends, and is judged according to the relevant parameter of user
Whether this user can carry out dual link, and when possible, macro cell base station carries out wireless heterogeneous networks (RRC) with dual link user
Connection, makes user enter dual link state, and determines to carry out the small-cell base station of dual link, is dual link small-cell base station.
Step 303：Macro cell base station is distributed grand small from reserved dual link user's ident value scope for dual link user
The dual link ident value that area base station shares with dual link small-cell base station.
Macro cell base station is dual link user by random access procedure in dual link user carries out RRC connection procedures
The C-RNTI values distributed in the range of 003D-FFF3, are set to FFF1.
Step 304：Dual link ident value FFF1 is sent to dual link user and dual link cell by macro cell base station
Base station, instruction dual link small-cell base station share the dual link ident value of distribution with macro cell base station.
Step 305：Dual link small-cell base station judges the access state of dual link ident value.
When dual link ident value FFF1 is not allocated to other users, into step 306；As dual link ident value FFF1
When being already allocated to existing user, into step 307.
Step 306：Dual link small-cell base station accesses dual link user.
When this dual link ident value is unassigned, dual link small-cell base station is directly accessed dual link user, and should
C-RNTI values FFF1 corresponds itself and dual link user profile labeled as having taken.
Step 307：Dual link small-cell base station judges dual link user, and whether priority is higher.
When the two priority is identical, or when dual link User Priority is relatively low, into step 308；As dual link user
When priority is higher, into step 309.
Step 308：Dual link small-cell base station feeds back access failure to macro cell base station.
Step 309：Dual link small-cell base station discharges existing user, accesses dual link user.
Dual link small-cell base station discharges existing user, establishes and connects with dual link user, and by the C-RNTI values
FFF1 corresponds itself and dual link user profile labeled as having taken.
So far, then complete in the embodiment of the present invention 1 as the process of dual link user's allocation identification.
Embodiment 2：
The embodiment of the present invention 2 consults common determination dual link user mark after carrying out multiple information exchange for MeNB and SeNB
The situation of knowledge value scope, referring to Fig. 4：
Step 401：Reserved dual link user's ident value scope is indicated to all small-cell base stations by macro cell base station.
In this step, dual link user's ident value scope is determined by macro cell base station, according to the C-RNTI of existing standard
The distribution condition of value, C-RNTI usable range are：0001-FFF3.In embodiments of the present invention, 003D-FFF3 is set to, it is grand small
This scope is assigned to all small-cell base stations by area base station.In the embodiment of the present invention, between macro cell base station and small-cell base station
An information word is increased by X2 interface by one newly defined and usually carries out information exchange.
Step 402：All small-cell base stations feed back itself available dual link user ident value scope to macro cell base station.
Due to macro cell base station and the respective C-RNTI of small-cell base station independent maintenance, it is possible to exist before this
Other domestic consumers have been accessed among SeNB.In order to improve C-RNTI utilization rate, the wasting of resources is avoided, it is possible to by
All small-cell base stations feed back itself available dual link user ident value scope to macro cell base station respectively.
Step 403：Macro cell base station obtains the scope of the available dual link user ident value of all small-cell base stations.
In this step, macro cell base station obtains all small-cell base stations and grand small according to the feedbacks of all small-cell base stations
The common factor of all available C-RNTI values in area base station, is 004D-FFF3.
Step 404：Macro cell base station identifies all small-cell base stations and all available dual link user of macro cell base station
It is worth the common factor of scope, is indicated to all small-cell base stations.
Macro cell base station finally determines the scope of C-RNTI values, is 004D-FFF3, is then indicated to all cell bases
Stand.Hereafter the C-RNTI values that all small-cell base stations will not reallocate in the range of this are to domestic consumer.
Step 405：Macro cell base station receives the access request that dual link user sends.
In this step, macro cell base station receives the access request that user sends, and is judged according to the relevant parameter of user
Whether this user can carry out dual link, and when possible, macro cell base station carries out wireless heterogeneous networks (RRC) with dual link user
Connection, makes user enter dual link state, and determines to carry out the small-cell base station of dual link, is dual link small-cell base station.
Step 406：Macro cell base station is distributed grand small from reserved dual link user's ident value scope for dual link user
The dual link ident value that area base station shares with dual link small-cell base station.
Macro cell base station is that dual link user is distributed in 004D- by random access procedure in RRC connection procedures are carried out
C-RNTI values in the range of FFF3, are set to FFF1.
Step 407：Dual link ident value FFF1 is sent to dual link user and dual link cell by macro cell base station
Base station, instruction dual link small-cell base station share the dual link ident value of distribution with macro cell base station.
Step 408：Dual link small-cell base station accesses dual link user, and C-RNTI values FFF1 is labeled as having accounted for
With by itself and dual link user profile one-to-one corresponding.
Now, because dual link user's ident value scope is determined by MeNB and SeNB joint consultations, so will not
The problem of being taken in the presence of reserved C-RNTI values by domestic consumer, dual link small-cell base station can be directly accessed dual link user,
And FFF1 and dual link user profile are corresponded.
So far, then complete in the embodiment of the present invention 2 as the process of dual link user's allocation identification.
In addition, it is necessary to explanation, above-mentioned all flows description based on Fig. 3, Fig. 4 is macro cell base station of the present invention and small
Cell base station dual link user identifies a kind of preferable implementation process of determination method, in the actual realization of the inventive method,
Random variation can be carried out on the basis of flow shown in Fig. 1 as needed, can select the arbitrary steps in Fig. 3, Fig. 4
Realize, the sequencing of each step can also adjust as needed.
One embodiment of the invention also proposes a kind of macro cell base station, referring to Fig. 5, including：
Scope Prearranged elements 501, for reserving dual link user's ident value scope, and send to scope indicating member 502
With ident value allocation unit 504；
Scope indicating member 502, the dual link user's ident value scope reserved for range of receiving Prearranged elements 501, and
It is indicated to all small-cell base stations；
Receiving unit 503, the access request sent for receiving dual link user are connected, and notifies ident value allocation unit
504；
Ident value allocation unit 504, for range of receiving Prearranged elements 501 reserve dual link user's ident value scope and
Dual link user's access request, from reserved dual link user's ident value scope for dual link user distribute macro cell base station with
The shared dual link ident value of dual link small-cell base station, sends to ident value transmitting element 505；
Ident value transmitting element 505, for receiving the dual link ident value of the distribution of ident value allocation unit 504, it is sent to
The dual link user and dual link small-cell base station, instruction dual link small-cell base station share distribution with macro cell base station
Dual link ident value.
In one embodiment of the invention, dual link user ident value scope can also be by macro cell base station and cell
Consult common determine after carrying out multiple information exchange in base station.Preferably, as Fig. 6, scope Prearranged elements 501 can also include：
Feedback reception subelement 601, for receiving being identified in reserved dual link user for all small-cell base station feedbacks
In the range of value, itself available dual link user ident value scope.
Common factor subelement 602, it is connected with feedback reception subelement 601, for obtaining all small-cell base stations and macrocell
The common factor of all available dual link user ident value scope in base station, and send to scope indicating member 502.
And correspondingly, scope indicating member 502 can also include：Occur simultaneously instruction subelement 603, for all cells
The common factor of all available dual link user ident value scope of all small-cell base stations and macro cell base station is specified in base station, for what is reserved
Dual link user's ident value scope.
In one embodiment of the invention, when the quantity adjustment of dual link user in a period of time is very big, may lead
C-RNTI scopes reserved before are caused to be insufficient for the access demand of dual link user, now MeNB can be adjusted as needed
Dual link user's ident value scope.Preferably, scope Prearranged elements 501 can also include：Scope adjusts subelement 604, is used for
Reserved dual link user's ident value scope is adjusted according to the quantity of dual link user, and sent to scope indicating member
502。
In the practical application of the embodiment of the present invention, due in dual link scene, the return link between MeNB and SeNB
It is undesirable, so information exchange is carried out between two base stations can introduce a new Xn interface, original X2 interface can also be used.
When interacting dual link user's context by Xn or X2 interface between MeNB and SeNB, dual link user's ident value model can be coordinated
Enclose, transmit dual link user's connection status.
Preferably, scope indicating member 502 and ident value transmitting element 505 can also include respectively：
Information element subelement 605,606, for by way of increasing information element, through existing X2 interface and owning
Small-cell base station carries out information exchange；
Or, signaling message subelement 607,608, for by way of newly defining signaling message, through existing X2 interface
Or newly-increased Xn interfaces carry out information exchange with all small-cell base stations.
One embodiment of the present of invention also proposed a kind of small-cell base station, referring to Fig. 7, including：
Range reception unit 701, for receiving the reserved dual link user's ident value scope indicated by macro cell base station；
Ident value receiving unit 702, for when being specified by macro cell base station with dual link user progress dual link, receiving
Macro cell base station from reserved dual link user's ident value scope, for access dual link user distribute macro cell base station with
The shared dual link ident value of dual link small-cell base station, sends to ident value sharing unit 703；
Ident value sharing unit 703, will be with for receiving the dual link ident value transmitted by ident value receiving unit 702
Macro cell base station shares the dual link ident value.
In the practical application of the embodiment of the present invention, the priority of dual link user can be higher than domestic consumer.Preferably,
Such as Fig. 8, base station can also include：Access unit 801, it is connected with ident value sharing unit 703, for will not when small-cell base station
When the dual link ident value distributes to other users, the dual link user is accessed；
Priority judging unit 802, it is connected with ident value sharing unit 703, for will be described double when small-cell base station
When connection identifier value distributes to existing user, judge the priority of existing user and the dual link user and perform following grasp
Make：
When existing user is identical with the priority of dual link user, or, the priority of dual link user is low, to macrocell base
Feedback of standing access failure；When the priority of dual link user is higher, existing user is discharged, accesses dual link user.
In one embodiment of the invention, dual link user ident value scope can also be by macro cell base station and cell
Consult common determine after carrying out multiple information exchange in base station.Preferably, range reception unit 701 can also include：
Subelement 803 is fed back, for being fed back to macro cell base station in the range of reserved dual link user's ident value, itself
Available dual link user ident value scope；
Common factor receiving subelement 804, for receiving what is specified by macro cell base station, all small-cell base station and macrocell bases
The common factor for all available dual link user ident value scope of standing, as reserved dual link user's ident value scope.This way
The problem of reserved C-RNTI is taken by domestic consumer is avoided, utilization rate is higher, will not cause the wasting of resources.It is in addition, slight
Area base station need not be faced because C-RNTI has distributed to domestic consumer, the problem of causing that access need to be discharged, would not also be influenceed general
The experience at general family.
In one embodiment of the invention, when the quantity adjustment of dual link user in a period of time is very big, may lead
C-RNTI scopes reserved before are caused to be insufficient for the access demand of dual link user, now MeNB can be adjusted as needed
Dual link user's ident value scope.Preferably, range reception unit 701 can also include：Scope adjusts receiving subelement 805,
For receiving by macro cell base station instruction, the reserved dual link user's ident value model adjusted according to the quantity of dual link user
Enclose.
In the practical application of the embodiment of the present invention, due in dual link scene, the return link between MeNB and SeNB
It is undesirable, so information exchange is carried out between two base stations can introduce a new Xn interface, original X2 interface can also be used.
When interacting dual link user's context by Xn or X2 interface between MeNB and SeNB, dual link user's ident value model can be coordinated
Enclose, transmit dual link user's connection status.Wherein it is preferred to as shown in Figure 8, Figure 9, range reception unit 701, ident value connect
Receiving unit 702 and priority judging unit 802 can also include respectively：
Information element subelement 806,807,901, for by way of increasing information element, through existing X2 interface with
Macro cell base station carries out information exchange；
Or, signaling message subelement 808,809,902, for by way of newly defining signaling message, through existing X2
Interface or newly-increased Xn interfaces carry out information exchange with macro cell base station.
It should be noted that each embodiment of the macro cell base station and small-cell base station shown in above-mentioned Fig. 6, Fig. 8, Fig. 9
Structure can be used in any combination.
It can be seen that the embodiment of the present invention has the advantages that：
In the dual link user that the embodiment of the present invention proposes identifies determination method and macro cell base station and small-cell base station,
The dual link ident value shared with dual link small-cell base station can be distributed by macro cell base station, specify that in dual link scene
In, dual link user uses identical C-RNTI in MeNB and SeNB, and provides and identical C- is distributed between two base stations
RNTI specific solution method.Can the embodiment of the present invention solves in the prior art, for the serving cell under different base station
The technical problem being had not determined using identical C-RNTI.
In addition, the embodiment of the present invention can be this according to dual link number of users Dynamical Deployment C-RNTI scope of resource
Way is convenient, flexible, substantially increases the utilization rate of C-RNTI resources.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (14)
1. a kind of macro cell base station dual link user identifies determination method, it is characterised in that reserved dual link user's ident value model
Enclose, this method also includes：
Reserved dual link user's ident value scope is indicated to all small-cell base stations；
Receive the access request that dual link user sends；
From reserved dual link user's ident value scope macro cell base station and dual link cell base are distributed for dual link user
Stand shared dual link ident value；
The dual link ident value of distribution is sent to the dual link user and dual link small-cell base station, instruction dual link is small
Cell base station shares the dual link ident value of distribution with macro cell base station；
Wherein, it is described reserved dual link user's ident value scope is indicated to all small-cell base stations after, the reception
Before the access request that dual link user sends, in addition to：
Receive all small-cell base stations feedback in the range of reserved dual link user's ident value, itself available dual link is used
Family ident value scope；
Obtain the common factor of all available dual link user ident value scope of all small-cell base stations and macro cell base station；
Described occur simultaneously for reserved dual link user's ident value scope is specified to all small-cell base stations.
2. macro cell base station dual link user according to claim 1 identifies determination method, it is characterised in that methods described
Also include：Reserved dual link user's ident value scope is adjusted according to the quantity of dual link user.
3. macro cell base station dual link user according to claim 1 or 2 identifies determination method, it is characterised in that：
Through existing X2 interface, information exchange is carried out with all small-cell base stations by way of increasing information element；
Or, through existing X2 interface or newly-increased Xn interfaces, carried out by the signaling message and all small-cell base stations that newly define
Information exchange.
4. a kind of small-cell base station dual link user identifies determination method, it is characterised in that including：
All small-cell base stations receive the reserved dual link user's ident value scope indicated by macro cell base station；
Macro cell base station is received from reserved dual link user's ident value scope by dual link small-cell base station, for the double of access
Connect the dual link ident value that the macro cell base station of user's distribution shares with dual link small-cell base station；
Dual link small-cell base station shares the dual link ident value with macro cell base station；
Wherein, after the dual link small-cell base station and macro cell base station share the dual link ident value, in addition to：
When the dual link ident value is not distributed to other users by dual link small-cell base station, access the dual link and use
Family；
When the dual link ident value is distributed to existing user by dual link small-cell base station, existing user and described is judged
The priority of dual link user：
When existing user is identical with the priority of dual link user, or, the priority of dual link user is low, dual link cell base
Stand and feed back access failure to macro cell base station；When the priority of dual link user is higher, dual link small-cell base station is by existing use
Family discharges, and accesses dual link user.
5. small-cell base station dual link user according to claim 4 identifies determination method, it is characterised in that in the institute
After having reserved dual link user's ident value scope of the small-cell base station reception by macro cell base station instruction, and described by double
Connect small-cell base station and receive macro cell base station from reserved dual link user's ident value scope, for the dual link user of access
Before the dual link ident value that the macro cell base station of distribution shares with dual link small-cell base station, in addition to：
All small-cell base stations are fed back in the range of reserved dual link user's ident value to macro cell base station, and itself is available double
Connect user's ident value scope；
All small-cell base stations receive what is specified by macro cell base station, and all small-cell base stations and macro cell base station are all available double
The common factor of user's ident value scope is connected, as reserved dual link user's ident value scope.
6. small-cell base station dual link user according to claim 4 identifies determination method, it is characterised in that methods described
Also include：All small-cell base stations are received by macro cell base station instruction, are adjusted according to the quantity of dual link user reserved
Dual link user's ident value scope.
7. the small-cell base station dual link user according to any one of claim 4 to 6 identifies determination method, its feature exists
In：
All small-cell base stations pass through existing X2 interface, enter row information with macro cell base station by way of increasing information element
Interaction；
Or, all small-cell base stations are through existing X2 interface or newly-increased Xn interfaces, by the signaling message that newly defines with it is grand small
Area base station carries out information exchange.
A kind of 8. macro cell base station, it is characterised in that including：Scope Prearranged elements, scope indicating member, connection receiving unit,
Ident value allocation unit and ident value transmitting element；Scope Prearranged elements are distinguished with scope indicating member, ident value allocation unit
It is connected, ident value allocation unit is also with being connected receiving unit, ident value transmitting element is respectively connected with, wherein：
Scope Prearranged elements, for reserving dual link user's ident value scope, and send to scope indicating member and ident value point
With unit；
Scope indicating member, the dual link user's ident value scope reserved for range of receiving Prearranged elements, and be indicated to
All small-cell base stations；
Receiving unit, the access request sent for receiving dual link user are connected, and notifies ident value allocation unit；
Ident value allocation unit, the dual link user's ident value scope reserved for range of receiving Prearranged elements and dual link user
Access request, distribute macro cell base station for dual link user from reserved dual link user's ident value scope and dual link is slight
The shared dual link ident value in area base station, sends to ident value transmitting element；
Ident value transmitting element, for receiving the dual link ident value of ident value allocation unit distribution, it is sent to the dual link
User and dual link small-cell base station, the dual link that instruction dual link small-cell base station shares distribution with macro cell base station identify
Value；
Wherein, the scope Prearranged elements also include：
Feedback reception subelement, for receive all small-cell base stations feedback in reserved dual link user's ident value scope
It is interior, itself available dual link user ident value scope；
Common factor subelement, it is connected with feedback reception subelement, it is all available for obtaining all small-cell base stations and macro cell base station
Dual link user's ident value scope common factor, and send to scope indicating member；
The scope indicating member also includes：Occur simultaneously instruction subelement, for specifying all cells to all small-cell base stations
Base station and the common factor of all available dual link user ident value scope of macro cell base station, for reserved dual link user's ident value model
Enclose.
9. macro cell base station according to claim 8, it is characterised in that the scope Prearranged elements also include：
Scope adjusts subelement, for adjusting reserved dual link user's ident value model according to the quantity of dual link user
Enclose, and send to scope indicating member.
10. macro cell base station according to claim 8 or claim 9, it is characterised in that：
The scope indicating member and the ident value transmitting element also include respectively：
Information element subelement, for by way of increasing information element, through existing X2 interface and all small-cell base stations
Carry out information exchange；
Or, signaling message subelement, for by way of newly defining signaling message, being connect through existing X2 interface or newly-increased Xn
Mouth carries out information exchange with all small-cell base stations.
11. a kind of small-cell base station, it is characterised in that shared including range reception unit, ident value receiving unit and ident value
Unit；Ident value receiving unit is connected with ident value sharing unit, wherein：
Range reception unit, for receiving the reserved dual link user's ident value scope indicated by macro cell base station；
Ident value receiving unit, for when being specified by macro cell base station with dual link user progress dual link, receiving macrocell
Base station is from reserved dual link user's ident value scope, for the macro cell base station and dual link of the dual link user distribution of access
The shared dual link ident value of small-cell base station, sends to ident value sharing unit；
Ident value sharing unit, for receiving the dual link ident value transmitted by ident value receiving unit, it is total to macro cell base station
With the dual link ident value；
Wherein, the base station also includes：
Access unit, it is connected with ident value sharing unit, for not distributing to the dual link ident value when small-cell base station
During other users, the dual link user is accessed；
Priority judging unit, it is connected with ident value sharing unit, for when small-cell base station is by the dual link ident value
When distributing to existing user, judge the priority of existing user and the dual link user and perform following operate：
When existing user is identical with the priority of dual link user, or, the priority of dual link user is low, anti-to macro cell base station
Present access failure；When the priority of dual link user is higher, existing user is discharged, accesses dual link user.
12. small-cell base station according to claim 11, it is characterised in that the range reception unit also includes：
Subelement is fed back, in the range of reserved dual link user's ident value, itself to be available to macro cell base station feedback
Dual link user's ident value scope；
Common factor receiving subelement, for receiving what is specified by macro cell base station, all small-cell base stations and macro cell base station all may be used
The common factor of dual link user's ident value scope, as reserved dual link user's ident value scope.
13. small-cell base station according to claim 11, it is characterised in that the range reception unit also includes：
Scope adjusts receiving subelement, for receiving by macro cell base station instruction, is adjusted according to the quantity of dual link user
Reserved dual link user's ident value scope.
14. the small-cell base station according to any one of claim 11 to 13, it is characterised in that：
The range reception unit, ident value receiving unit and the priority judging unit also include respectively：
Information element subelement, for by way of increasing information element, being carried out through existing X2 interface and macro cell base station
Information exchange；
Or, signaling message subelement, for by way of newly defining signaling message, being connect through existing X2 interface or newly-increased Xn
Mouth carries out information exchange with macro cell base station.
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| CN106470417A (en) * | 2015-08-20 | 2017-03-01 | 中兴通讯股份有限公司 | A kind of terminal identifier distribution method, apparatus and system |
| WO2018176422A1 (en) * | 2017-03-31 | 2018-10-04 | 深圳前海达闼云端智能科技有限公司 | Resource scheduling method and apparatus, and base station |
| US20200351967A1 (en) * | 2017-11-30 | 2020-11-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method and apparatus for systerm information |
| CN110446230B (en) * | 2018-05-02 | 2021-09-14 | 中国移动通信有限公司研究院 | Method for adding interfaces between network side devices and network side device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011029581A1 (en) * | 2009-09-08 | 2011-03-17 | Deutsche Telekom Ag | Method and system for user authentication by means of a cellular mobile radio network |
| CN102469557A (en) * | 2010-11-15 | 2012-05-23 | 华为技术有限公司 | Method for accessing base station, base station and user equipment |
| CN103026753A (en) * | 2010-05-28 | 2013-04-03 | 三星电子株式会社 | Apparatus and method for supporting mobility in a heterogeneous wireless communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011029581A1 (en) * | 2009-09-08 | 2011-03-17 | Deutsche Telekom Ag | Method and system for user authentication by means of a cellular mobile radio network |
| CN103026753A (en) * | 2010-05-28 | 2013-04-03 | 三星电子株式会社 | Apparatus and method for supporting mobility in a heterogeneous wireless communication system |
| CN102469557A (en) * | 2010-11-15 | 2012-05-23 | 华为技术有限公司 | Method for accessing base station, base station and user equipment |
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