CN101772036B - Physical area automatic identifier configuration method and device - Google Patents

Physical area automatic identifier configuration method and device Download PDF

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Publication number
CN101772036B
CN101772036B CN2008101868904A CN200810186890A CN101772036B CN 101772036 B CN101772036 B CN 101772036B CN 2008101868904 A CN2008101868904 A CN 2008101868904A CN 200810186890 A CN200810186890 A CN 200810186890A CN 101772036 B CN101772036 B CN 101772036B
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phycellid
group
resource
enodeb
grouping information
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CN101772036A (en
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樊伟毅
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support

Abstract

Disclosed are a physical area automatic identifier configuration method and a device; the method includes that: before automatically configuring the physical area identifier PhyCellId, N PhyCellIds are sequentially divided into a first group and a second group by a network administration system; during the PhyCellId automatic configuration of an evolution node eNodeB, the PhyCellId grouping information is acquired from the network administration system, and then a or multiple continuous PhyCellId configurations is or are selected from the first group of PhyCellId grouping information dispersedly according to the overall numbers of the eNodeB. The invention also provides a corresponding device according to the method. The invention not only prevents the conflict of physical area identifier resources of adjacent areas, but also compensates the insufficient physical area identifier resource used in the area timely.

Description

A kind of realization Physical Cell Identifier automatic configuration method and device
Technical field
The present invention relates to GSM self-configuring and self-optimizing technology; Relate in particular to Long Term Evolution (LTE; Long Term Evolution) develops the self-configuration method of universal terrestrial access network (E-UTRAN, Evolved Universal Terrestrial Radio Access Network) system in the project.
Background technology
The E-UTRAN system, shown in Figure 1, comprise node eNodeB (Evolution NodeB is abbreviated as eNB) through the interconnective a plurality of evolution of X2 interface; ENodeB in the E-UTRAN system all connects with mobile management entity (MME, Mobility Management Entity) or gateway S-GW (Serving Gateway) through the S1 interface.
The E-UTRAN system supports self-configuring and self-optimization function.The self-configuring function is meant that network system obtains the process of necessary basic configuration resource automatically before power up or life's work.Self-optimization function is meant that network system carries out corresponding algorithm to reach self optimizing of network according to measurement result.
Comprise in the self-configuring function of E-UTRAN system Physical Cell Identifier (PhyCellId, automatic configuration PhysicalCellIdentity).Have 504 Physical Cell Identifier (spans: 0-503) in E-UTRAN system one; So; A plurality of eNodeB in the E-UTRAN system can reuse 504 limited Physical Cell Identifier inevitably, thus must be eNodeB configures physical cell ID rationally, effectively, to guarantee that the Physical Cell Identifier of abutting subdistrict is inequality each other; So that the co-frequency cell of adjacency can make the sub-district be able to distinguish effectively when carrying out the scrambling operation.At present in the 3GPP agreement as yet not relevant for the associated description of the method for automatic configuration of Physical Cell Identifier.
Summary of the invention
Technical problem to be solved by this invention provides a kind of realization Physical Cell Identifier automatic configuration method and device, in the time of can in the E-UTRAN system, using limited Physical Cell Identifier, guarantees that the Physical Cell Identifier of abutting subdistrict is inequality each other.
In order to solve the problems of the technologies described above; The invention provides a kind of realization Physical Cell Identifier automatic configuration method; This method comprises: carrying out Physical Cell Identifier PhyCellId automatically before the configuration, is that the PhyCellId of N is divided into first group and second group in regular turn by network management system with total number; The node eNodeB of the evolution in the said system is carrying out said PhyCellId when disposing automatically; Get access to the grouping information of said PhyCellId from said network management system, from said first group PhyCellId, choose one or more continuous PhyCellId configurations dispersedly according to the overall situation numbering of said eNodeB then and use.
Further; Said eNodeB chooses the PhyCellId that or continuous a plurality of PhyCellId replacement meeting conflict with the adjacent area again from said second group of untapped PhyCellId when detecting PhyCellId that local area the uses PhyCellId with the adjacent area use and can resource contention take place.
Further, said eNodeB chooses one or continuous a plurality of PhyCellId again and carries out resource and replenish when finding the PhyCellId inadequate resource that local area has used from said second group of untapped PhyCellId.
Further, said network management system:
The number of the said PhyCellId that in said first group, distributes is A; The number of the said PhyCellId that in said second group, distributes is (N-A);
Said first group PhyCellId is divided into M group in regular turn, and it is N=A/M that every group distributes the PhyCellId number, each group is numbered 0,1,2,3.....M-1;
Said second group PhyCellId is divided into (O+P+Q+R+S+T+.....) individual group in regular turn, and every type of group distributes the number of PhyCellId to be respectively o, p; Q, r, s; And satisfy following constraints: o*O+p*P+q*Q+r*R+s*S+t*T.....=N-A t.......
Further; Each eNodeB that eNodeB adds up to L in the said system carries out said PhyCellId when disposing automatically powering on, according to the grouping information of the PhyCellId that obtains, from said first group 0; 1; 2, to choose the PhyCellId of a group configuration in the 3......M-1 group and use, group's group number of choosing is through asking mould to obtain to said M the overall situation numbering of said eNodeB.
Further; Resource contention can take place at the PhyCellId of PhyCellId that detects the local area use and adjacent area use in said eNodeB; The PhyCellId group that promptly detects the local area use is identical with the PhyCellId group of adjacent area use, then from said second group, chooses the PhyCellId of a group replacement PhyCellId group identical with adjacent eNodeB.
Further, said eNodeB chooses a PhyCellId of group from said second group and replenishes not enough PhyCellId group when finding the PhyCellId inadequate resource that local area has used.
In order to solve the problems of the technologies described above, the invention provides the automatic inking device of a kind of realization Physical Cell Identifier, comprising: resource grouping information acquisition module, resource distribution module and resource adjusting module; Wherein:
Said resource grouping information acquisition module is used for carrying out Physical Cell Identifier PhyCellId automatically before the configuration, obtains the grouping information of PhyCellId from network management system, and the grouping information of said PhyCellId is exported to said resource distribution module; It is that the PhyCellId of N is divided into first group and second group in regular turn that the grouping information of said PhyCellId comprises total number at least;
Said resource distribution module is used for powering at said eNodeB and carries out said PhyCellId when disposing automatically, from first group PhyCellId, chooses one or more continuous PhyCellId configurations dispersedly according to the overall situation numbering of said eNodeB and uses.
Further, the grouping information of said PhyCellId also comprises:
The number of PhyCellId is A described in said first group; The number of PhyCellId is (N-A) described in said second group;
Said first group PhyCellId is divided into M group in regular turn, and the PhyCellId number is N=A/M in each group, each group is numbered 0,1,2,3.....M-1;
Said second group PhyCellId is divided into (O+P+Q+R+S+T+.....) individual group in regular turn, and the number of PhyCellId is respectively o, p in every type of group; Q, r, s; And satisfy following constraints: o*O+p*P+q*Q+r*R+s*S+t*T.....=N-A t......;
Said resource distribution module; From first group PhyCellId, choosing one or more continuous PhyCellId configurations dispersedly uses; Promptly from said first group 0,1,2; Use 3......M-1 choose a PhyCellId of group in the group, group's group number of choosing asks mould to obtain through the overall situation numbering GlobaleNodeBID with said eNodeB to said M.
Further; Said device also comprises respectively the resource adjusting module that is connected with said resource distribution module with said resource grouping information acquisition module; Be used in the PhyCellId group that detects the local area use identical with the PhyCellId group of adjacent area use; Then from said second group, choose a PhyCellId of group, and indicate said resource distribution module with the said PhyCellId of the group replacement PhyCellId group identical that chooses with the adjacent area through said resource grouping information acquisition module;
Perhaps; Said resource adjusting module is used for when finding the PhyCellId inadequate resource that local area has used; Said resource grouping information acquisition module is chosen a PhyCellId of group from said second group, and indicates said resource distribution module to replenish not enough PhyCellId group;
Said resource distribution module also is used for local area is carried out the replacement of PhyCellId resource or replenishing according to the indication of said resource adjusting module.
Realization Physical Cell Identifier automatic configuration method provided by the invention; Guarantee that the Physical Cell Identifier of abutting subdistrict is inequality each other; Can either avoid abutting subdistrict each other the situation of Physical Cell Identifier resource contention to occur, the Physical Cell Identifier inadequate resource that also can use this sub-district in time replenishes.
Description of drawings
Fig. 1 is a LTE project GSM E-UTRAN network topological diagram;
Fig. 2 is an eNodeB connection layout in the E-UTRAN network;
Fig. 3 is the Physical Cell Identifier group initial configuration diagram of the present invention to the eNodeB of E-UTRA system;
Fig. 4 shows for the present invention's additional configurations Physical Cell Identifier picture group when the inadequate resource of the eNodeB of E-UTRA system;
Fig. 5 carries out Physical Cell Identifier group adjustment configuration diagram for the present invention after identical detecting E-UTRA system adjacent area resource group;
Fig. 6 is the structured flowchart of the automatic inking device embodiment of realization Physical Cell Identifier of the present invention.
Embodiment
Realization Physical Cell Identifier automatic configuration method provided by the invention; Its core main points are; Before the Physical Cell Identifier PhyCellId that adds up to N is disposed automatically, in regular turn PhyCellId is divided into two groups through network management system, the PhyCellId number is A in first group; The PhyCellId number is (N-A) in second group; Each eNodeB of system is carrying out PhyCellId when disposing automatically, from first group of A PhyCellId, chooses one or continuous a plurality of PhyCellId configuration dispersedly and uses; When eNodeB detects the PhyCellId resource of PhyCellId resource that local area uses and adjacent area using and may clash, from second group of untapped PhyCellId, choose one or continuous a plurality of PhyCellId resource again and replace the PhyCellId resource of conflicting with the adjacent area; When PhyCellId inadequate resource that eNodeB finds to have used this sub-district, then in second group of untapped PhyCellId, select one or the not enough PhyCellId resource in continuous a plurality of PhyCellId resource supplementary copies sub-district again.
Below in conjunction with accompanying drawing and specific embodiment, technique scheme of the present invention is explained in more detail and explained.
ENodeB group of E-UTRA system connects as shown in Figure 2, and wherein the overall situation of eNode numbering GlobaleNodeBID is respectively 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16.
Realization Physical Cell Identifier automatic configuration method provided by the invention, before the Physical Cell Identifier PhyCellId that system is add up to N disposes automatically, at first N PhyCellId divided into groups through network management system:
PhyCellId is divided into two according to the order of sequence organizes greatly, first group of PhyCellId number is A, second largest group of PhyCellId number 504-A.
Be divided into M group more in regular turn with first group, the every PhyCellId of group number is N=A/M, and each group is numbered 0,1,2,3.....M-1, and this first group is used when carrying out the initial self-configuring of PhyCellId in system.
Be divided into O+P+Q+R+S+T+..... group more in regular turn with second largest group, the number of the every kind PhyCellId of group resource is respectively o, p; Q, r, s; And satisfy following constraints: o*O+p*P+q*Q+r*R+s*S+t*T.....=504-A, o≤p≤q≤r≤s≤t..... t......; O>=P>=Q>=R>=S>=T......, this second largest group is used when system's generation adjacent area PhyCellId resource contention or inadequate resource.
When eNodeB carried out the self-configuring of PhyCellId resource, from 0,1,2, the PhyCellId that chooses a group in the 3......M-1 group used, and group's group number of choosing is through asking mould to obtain to M GlobaleNodeBID.
The PhyCellId subsets of resources group number that detects use at eNodeB is identical with the PhyCellId subsets of resources group number that adjacent eNodeB uses; The PhyCellId resource of promptly using might clash, and then from second largest group, chooses the PhyCellId of the group resource replacement PhyCellId subsets of resources identical with adjacent eNodeB again.
Perhaps, find the PhyCellId group inadequate resource that local area has used, then in second largest group, select one group of suitable PhyCellId resource of quantity to replenish again at eNodeB.
Below in order to understand said method of the present invention further, the application example of giving an example.
For example through network management system PhyCellId is divided into two according to the order of sequence and organizes greatly, first group of PhyCellId number is 360, second largest group of PhyCellId number=504-360=144.
With first component is 6 groups, and the every PhyCellId of group number is 360/6=60, each group is numbered 0,1,2,3,4,5.
With second largest component is 4+2 group, and group number is respectively 6,7,8,9,10,11; Wherein, the number of 6,7,8,9 PhyCellId of group resources is that 6,10,11 groups number is 60, and satisfies following constraints: 6*4+60*2=144.
Each eNodeB powers on and gets access to the PhyCellId grouping information from network management system, and promptly the PhyCellId of system is divided into 0,1,2,3,4,5 groups; When carrying out the initial self-configuring of PhyCellId, from 0,1, to choose one group of PhyCellId in 2,3,4,5 groups and use, group number asks mould to obtain through GlobaleNodeBID to 6, and is as shown in Figure 3.
In fact; Above-mentioned first group of PhyCellId resource is divided into M group; Purpose is to make PhyCellId resource mean allocation to each eNodeB, but in fact the PhyCellId resource of M group also can be unequal, such as GlobaleNodeBID is that 1 eNodeB chooses the 1st～20 PhyCellId; GlobaleNodeBID is that 2 eNodeB chooses the 21st～30 PhyCellId ....In addition; First group PhyCellId resource also can no longer be carried out branch group; ENodeB directly chooses arbitrarily the PhyCellId resource as original allocation from first group, choose the PhyCellId resource according to different allocation algorithms and contention resolution from second largest group then and replace; Perhaps under the situation that does not produce conflict, continue to use the PhyCellId resource of original allocation, finally need not choose the PhyCellId resource and replace from second largest group.
ENodeB7 finds already used group 1 PhyCellId inadequate resource when carrying out the PhyCellId self-configuring, then 6,7, select in 8,9,10,11 groups the suitable group of quantity 6 PhyCellId resources to use again, and is as shown in Figure 4.
Perhaps, used PhyCellId group number 4 when eNodeB 10 detects adjacent eNodeB4, perhaps, eNodeB 11 detects adjacent eNodeB4 and used PhyCellId group number 5, and is as shown in Figure 4; Then eNodeB10 is again from 6,7, and 8,9,10; Again choose group number in 11 groups and be one group of PhyCellId of 10 and use, perhaps, eNodeB 11 is again from 6,7, and 8; Again choose group number in 9,10,11 groups and be one group of PhyCellId of 11 and use, as shown in Figure 5.
Annotate: eNodeB detects the identical method of adjacent eNodeB Physical Cell Identifier resource group and the present invention is irrelevant, so be not described in detail at this.
The present invention is directed to said method; Also propose to be applied to the automatic inking device of corresponding implementation Physical Cell Identifier among the node eNodeB of evolution; As shown in Figure 6; An embodiment 600 of this device comprises: resource grouping information acquisition module 610, resource distribution module 620 and resource adjusting module 630; Wherein:
Resource grouping information acquisition module 610; Be used for before eNodeB carries out the automatic configuration of Physical Cell Identifier PhyCellId; Obtain the grouping information of PhyCellId through network management system, and the grouping information of PhyCellId is exported to resource distribution module 620 and resource adjusting module 630 respectively; It is that the PhyCellId of N is divided into first group and second group in regular turn that the grouping information of this PhyCellId comprises total number at least;
The grouping information of PhyCellId also comprises:
The number of PhyCellId described in first group is A; The number of PhyCellId is (N-A) described in said second group;
First group PhyCellId is divided into M group in regular turn, and the every PhyCellId of group number is N=A/M, each group is numbered 0,1,2,3.....M-1;
Second group PhyCellId is divided into (O+P+Q+R+S+T+.....) individual group in regular turn, and the number of the every type of PhyCellId of group resource is respectively o, p, and q, r, s, t......, and satisfy following constraints: o*O+p*P+q*Q+r*R+s*S+t*T.....=N-A.
Resource distribution module 620 is used for powering at eNodeB and carries out PhyCellId when disposing automatically, from first group PhyCellId, chooses one or more continuous PhyCellId configurations dispersedly and uses.
Resource adjusting module 630; Be used for when the PhyCellId of PhyCellId that detects the local area use and adjacent area use can resource contention take place, from second group of untapped PhyCellId, choosing the PhyCellId group that a group and the 620 replacement meetings of indexed resource configuration module conflict with the adjacent area again; Perhaps, when finding the PhyCellId inadequate resource that local area has used, from second group, choose a PhyCellId group again, and indexed resource configuration module 620 carries out resource and replenishes.
To sum up, method provided by the invention and device have guaranteed that each other abutting subdistrict the Physical Cell Identifier resource occurs and do not conflict, and the Physical Cell Identifier inadequate resource that also in time this sub-district is used replenishes.
The above is merely preferred embodiment of the present invention, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of claim of the present invention change and modification, all should be technological category of the present invention.

Claims (9)

1. realize the Physical Cell Identifier automatic configuration method for one kind, this method comprises: carrying out Physical Cell Identifier PhyCellId automatically before the configuration, is that the PhyCellId of N is divided into first group and second group in regular turn by network management system with total number; The node eNodeB of the evolution in the said system is carrying out said PhyCellId when disposing automatically; Get access to the grouping information of said PhyCellId from said network management system, from said first group PhyCellId, choose one or more continuous PhyCellId configurations dispersedly according to the overall situation numbering of said eNodeB then and use;
Wherein, the number of the said PhyCellId that in said first group, distributes of said network management system is A; The number of the said PhyCellId that in said second group, distributes is (N-A);
Said first group PhyCellId is divided into M group in regular turn, and it is W=A/M that every group distributes the PhyCellId number, each group is numbered 0,1,2,3.....M-1;
Said second group PhyCellId is divided into (O+P+Q+R+S+T+.....) individual group in regular turn, and every type of group distributes the number of PhyCellId to be respectively o, p; Q, r, s; And satisfy following constraints: o*O+p*P+q*Q+r*R+s*S+t*T.....=N-A t.......
2. according to the described method of claim 1; It is characterized in that; Said eNodeB chooses the PhyCellId that or continuous a plurality of PhyCellId replacement meeting conflict with the adjacent area again from said second group of untapped PhyCellId when detecting PhyCellId that local area the uses PhyCellId with the adjacent area use and can resource contention take place.
3. according to the described method of claim 1, it is characterized in that said eNodeB chooses one or continuous a plurality of PhyCellId again and carries out resource and replenish from said second group of untapped PhyCellId when finding the PhyCellId inadequate resource that local area has used.
4. according to each described method of claim 1 to 3, it is characterized in that each eNodeB that eNodeB adds up to L in the said system carries out said PhyCellId when disposing automatically powering on; Grouping information according to the PhyCellId that obtains; From said first group 0,1,2; Use 3......M-1 choose the PhyCellId of a group configuration in the group, group's group number of choosing is through asking mould to obtain to said M the overall situation numbering of said eNodeB.
5. according to each described method of claim 1 to 3, it is characterized in that,
Each eNodeB that eNodeB adds up to L in the said system carries out said PhyCellId when disposing automatically powering on; Grouping information according to the PhyCellId that obtains; From said first group 0,1,2; Use 3......M-1 choose the PhyCellId of a group configuration in the group, group's group number of choosing is through asking mould to obtain to said M the overall situation numbering of said eNodeB;
Resource contention can take place at the PhyCellId of PhyCellId that detects the local area use and adjacent area use in said eNodeB; The PhyCellId group that promptly detects the local area use is identical with the PhyCellId group of adjacent area use, then from said second group, chooses the PhyCellId of a group replacement PhyCellId group identical with adjacent eNodeB.
6. according to each described method of claim 1 to 3, it is characterized in that,
Each eNodeB that eNodeB adds up to L in the said system carries out said PhyCellId when disposing automatically powering on; Grouping information according to the PhyCellId that obtains; From said first group 0,1,2; Use 3......M-1 choose the PhyCellId of a group configuration in the group, group's group number of choosing is through asking mould to obtain to said M the overall situation numbering of said eNodeB;
Said eNodeB chooses a PhyCellId of group from said second group and replenishes not enough PhyCellId group when finding the PhyCellId inadequate resource that local area has used.
7. realize the automatic inking device of Physical Cell Identifier for one kind, it is characterized in that said device comprises: resource grouping information acquisition module, resource distribution module and resource adjusting module; Wherein:
Said resource grouping information acquisition module is used for carrying out Physical Cell Identifier PhyCellId automatically before the configuration, obtains the grouping information of PhyCellId from network management system, and the grouping information of said PhyCellId is exported to said resource distribution module; It is that the PhyCellId of N is divided into first group and second group in regular turn that the grouping information of said PhyCellId comprises total number at least;
Said resource distribution module; Be used for powering on and carry out said PhyCellId when disposing automatically, from first group PhyCellId, choose one or more continuous PhyCellId configurations dispersedly according to the overall situation numbering of said eNodeB and use at the node eNodeB of evolution;
Wherein, the grouping information of said PhyCellId also comprises: the number of PhyCellId is A described in said first group; The number of PhyCellId is (N-A) described in said second group;
Said first group PhyCellId is divided into M group in regular turn, and the PhyCellId number is W=A/M in each group, each group is numbered 0,1,2,3.....M-1;
Said second group PhyCellId is divided into (O+P+Q+R+S+T+.....) individual group in regular turn, and the number of PhyCellId is respectively o, p in every type of group; Q, r, s; And satisfy following constraints: o*O+p*P+q*Q+r*R+s*S+t*T.....=N-A t.......
8. according to the described system of claim 7, it is characterized in that,
Said resource distribution module; From first group PhyCellId, choosing one or more continuous PhyCellId configurations dispersedly uses; Promptly from said first group 0,1,2; Use 3......M-1 choose a PhyCellId of group in the group, group's group number of choosing asks mould to obtain through the overall situation numbering GlobaleNodeBID with said eNodeB to said M.
9. according to the described system of claim 7; It is characterized in that; Said device also comprises respectively the resource adjusting module that is connected with said resource distribution module with said resource grouping information acquisition module; Be used in the PhyCellId group that detects the local area use identical with the PhyCellId group of adjacent area use; Then from said second group, choose a PhyCellId of group, and indicate said resource distribution module with the said PhyCellId of the group replacement PhyCellId group identical that chooses with the adjacent area through said resource grouping information acquisition module;
Perhaps; Said resource adjusting module is used for when finding the PhyCellId inadequate resource that local area has used; Said resource grouping information acquisition module is chosen a PhyCellId of group from said second group, and indicates said resource distribution module to replenish not enough PhyCellId group;
Said resource distribution module also is used for local area is carried out the replacement of PhyCellId resource or replenishing according to the indication of said resource adjusting module.
CN2008101868904A 2008-12-31 2008-12-31 Physical area automatic identifier configuration method and device Expired - Fee Related CN101772036B (en)

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