CN101854722A - Method, device and system for distributing subcarrier groups - Google Patents
Method, device and system for distributing subcarrier groups Download PDFInfo
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- CN101854722A CN101854722A CN200910134028A CN200910134028A CN101854722A CN 101854722 A CN101854722 A CN 101854722A CN 200910134028 A CN200910134028 A CN 200910134028A CN 200910134028 A CN200910134028 A CN 200910134028A CN 101854722 A CN101854722 A CN 101854722A
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Abstract
The invention relates to the technical field of communication, and aims to solve the problem of co-channel interference among micro-base stations FAPs in the prior art. The invention provides a method, a device and a system for distributing subcarrier groups. The method in a micro base station configuration center comprises the following steps of: determining the adjacent micro-base station of which the coverage is superposed with that of a network-accessed micro-base station by the micro-base station configuration center; searching use information of PUSC (Partially Used Sub-Carrier) domain subcarrier groups used by the adjacent micro-base station, and distributing a PUSC domain subcarrier group which is different from the PUSC domain subcarrier group of the adjacent micro-base station to the PUSC domain of the micro-base station; and sending the distributed PUSC domain subcarrier group information to the micro-base station. Different subcarrier groups can be dynamically distributed to the FAPs, among which co-channel interference possibly produce, through the micro-base station configuration center, thereby eliminating co-channel interference between every two adjacent FAPs.
Description
Technical field
The present invention relates to communication technical field, is a kind of methods, devices and systems of allocation of subcarriers group concretely.
Background technology
(Femtocell Access Point FAP) is a kind of WiMAX base station of low-power consumption in the little base station of femtocell in World Interoperability for Microwave Access, WiMax (WiMAX) network.This little base station provides wireless coverage among a small circle, is mainly used in the indoor family and small home office (SOHO:Small Office Home Office) environment, therefore is called little base station again.Its adopts wired broadband network (for example DSL/IP network etc.) to insert, and the wired broadband network here may belong to different operators with the WiMAX network.MS connects FAP by eating dishes without rice or wine, and is linked into the WiMAX network, with all carrying by wired broadband network alternately of the signaling plane of WiMAX core network data.
For the WiMAX portable terminal provides access service, itself is linked into the WiMAX core net by wired broadband network to WiMAX FAP on the frequency spectrum that process is authorized.
Because FAP quantity is more, generally is distributed in family or the office, the overlapping region may appear in the sub-district of adjacent FAP, and there is co-channel interference each other in this zone, influences user communication quality.
Summary of the invention
The embodiment of the invention provides a kind of methods, devices and systems of allocation of subcarriers group, is used for solving the problem that occurs co-channel interference between the prior art FAP easily.
To achieve these goals, the embodiment of the invention provides a kind of method of allocation of subcarriers group, and this method comprises: the overlapping adjacent little base station that is coated with the little base station that networks is determined at little base station configuration center; Searching the use information of the little base station of described neighbour to the subcarrier PUSC territory sub carrier group of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station; Send the PUSC territory sub carrier group information of described distribution to described little base station.
To achieve these goals, the embodiment of the invention also provides a kind of little base station configuration center, and this little base station configuration center comprises: determining unit is used for the overlapping adjacent little base station that is coated with definite and the little base station that networks; Computing unit, being used to search the use information of the definite little base station of described neighbour of described determining unit to the sub carrier group in the subcarrier PUSC territory of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station; Transmitting element is used for sending described PUSC territory sub carrier group information to described little base station.
To achieve these goals, the embodiment of the invention also provides a kind of little base station, and this little base station comprises: receiving element is used to receive the PUSC territory sub carrier group information that the FAP configuration center is distributed to this little base station; Adjustment unit is used for the PUSC territory sub carrier group information according to described distribution, employed PUSC territory, described little base station sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
To achieve these goals, the embodiment of the invention also provides a kind of system of allocation of subcarriers group, and this system comprises little base station and little base station configuration center; Described little base station configuration center is used for the overlapping adjacent little base station that is coated with definite and the little base station that networks; Searching the use information of the little base station of described neighbour to the subcarrier PUSC territory sub carrier group of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station; And send described PUSC territory sub carrier group information to described little base station; Described little base station is used to receive the PUSC territory sub carrier group information that described FAP configuration center is distributed to this little base station; Its employed PUSC territory sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
The beneficial effect of the embodiment of the invention is, distributes different sub carrier group can dynamically in the PUSC territory FAP that co-channel interference may occur by the FAP configuration center, thereby realize eliminating the co-channel interference between the adjacent FAP.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1 shows that the method embodiment flow chart that FAP configuration center of the present invention is little base station assigns sub carrier group;
Figure 2 shows that the method embodiment flow chart of the little base station assigns sub carrier group of the present invention;
Fig. 3 a is depicted as FAP configuration center example structure figure of the present invention;
Fig. 3 b is depicted as another example structure of FAP configuration center figure of the present invention;
Fig. 4 a is depicted as the little base station of the present invention example structure figure;
Fig. 4 b is depicted as the little base station of the present invention another example structure figure;
Figure 5 shows that the system embodiment structure chart of allocation of subcarriers group of the present invention;
Figure 6 shows that the first embodiment flow chart of system when FAP networks of allocation of subcarriers group of the present invention;
Figure 7 shows that the flow chart of first embodiment when FAP moves back net of system of allocation of subcarriers group of the present invention;
Figure 8 shows that the second embodiment flow chart of system when FAP networks of allocation of subcarriers group of the present invention;
Figure 9 shows that the flow chart of second embodiment when FAP moves back net of system of allocation of subcarriers group of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of allocation of subcarriers group and reduces the methods, devices and systems of co-channel interference.The present invention is described in detail below in conjunction with accompanying drawing.
The method embodiment flow chart that to be illustrated in figure 1 as FAP configuration center of the present invention be little base station assigns sub carrier group.
Step 101, FAP configuration center are determined the overlapping adjacent little base station that is coated with the little base station that networks.
Step 102 is searched the use information of the little base station of described neighbour to PUSC territory sub carrier group, for distributing the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour in the PUSC territory of described little base station.
Step 103 sends corresponding described PUSC territory sub carrier group information to described little base station.
As one embodiment of the present of invention, described definite overlapping adjacent little base station that is coated with little base station comprises, the FAP configuration center receives positional information and the coverage information that little base station reports, and perhaps obtains the positional information and the coverage information of described little base station from AAA server (FAP-AAA); The FAP configuration center has the overlapping adjacent little base station of covering according to the positional information and the coverage information inquiry of described little base station with described little base station, perhaps described little base station obtains the little base station of described neighbour by scanning, and give described FAP configuration center with the information uploading of the little base station of described neighbour, for example inquire about the little base station information of storing in the described FAP configuration center adjacent with described little base station.
As one embodiment of the present of invention, describedly search adjacent little base station the use information of PUSC territory sub carrier group is comprised, search the sub carrier group that is stored in described FAP configuration center and use tabulation, perhaps obtain the use information of described PUSC territory sub carrier group from the little base station of described neighbour.
As one embodiment of the present of invention, if the little base station of described neighbour is to use tabulation to obtain by searching the sub carrier group that is stored in described FAP configuration center to the use information of PUSC territory sub carrier group, then after distributing the sub carrier group different, also comprise, use the sub carrier group of the described FAP configuration center of information updating to use tabulation according to the PUSC territory sub carrier group of described little base station with the PUSC territory sub carrier group of the little base station of described neighbour for the PUSC territory of described little base station.
As one embodiment of the present of invention, be the little base station assigns PUSC of described neighbour territory sub carrier group information, for the PUSC territory sub carrier group of the little base station assigns of described neighbour different with the PUSC territory sub carrier group that is described little base station assigns; Send the PUSC territory sub carrier group information of distributing to this little base station of neighbour to the little base station of described neighbour.
As one embodiment of the present of invention, described little base station receives the described PUSC territory sub carrier group information that the FAP configuration center distributes, and employed PUSC territory, described little base station sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
As one embodiment of the present of invention, when net was moved back in described little base station, described FAP configuration center discharged little base station to described neighbour with described little base station in employed PUSC territory, PUSC territory sub carrier group.
By above embodiment, can dynamically adjust this little base station and employed PUSC territory, adjacent little base station sub carrier group according to the information of little base station, avoid the co-channel interference of little base station.
Be illustrated in figure 2 as the method embodiment flow chart of the little base station assigns sub carrier group of the present invention.
As one embodiment of the present of invention, comprised also that before described step 201 described little base station sends the information of this little base station to the FAP configuration center.
As one embodiment of the present of invention, the information of this little base station of described transmission comprises, sends the positional information and the coverage information of described little base station, and described positional information is latitude and longitude information for example.
As one embodiment of the present of invention, comprised also that before the information of the little base station of described transmission FAP requires according to quality of signals and the error rate requires to set a channel quality thresholds value.FAP receives the channel quality identification (CQI) of mobile communication terminal feedback, comprises channel disturbance noise ratio (CINR) and receive channel intensity (RSSI) parameter, and CINR and RSSI are obtained the CQI index by certain priority and weight calculation.This FAP utilizes the sub carrier group of distributing in the PUSC territory to modulate to the terminal that CQI is lower than described threshold value.
As one embodiment of the present of invention, adjust described little base station and comprise in the employed sub carrier group in PUSC territory, adjust the employed sub carrier group in described PUSC territory, little base station according to the PUSC territory sub carrier group information of described distribution.
By above embodiment, employed sub carrier group can dynamically be adjusted according to the sub carrier group that the FAP configuration center distributes in little base station, avoids the co-channel interference of little base station.
Be depicted as FAP configuration center example structure figure of the present invention as Fig. 3 a.
Determining unit 301 is used for the overlapping adjacent little base station that is coated with definite and the little base station that networks.
Transmitting element 303 is used for sending described sub carrier group information to described little base station.
By above embodiment, can be described little base station and the different sub carrier group of adjacent little base station assigns according to the positional information and the coverage information of little base station.
Be depicted as another example structure of FAP configuration center figure of the present invention as Fig. 3 b, except identical with partial function unit among Fig. 3 a, also comprise memory cell 304, comprise sub carrier group use tabulation in this memory cell, the use information of this sub carrier group has been used list storage described little base station and PUSC territory, adjacent little base station sub carrier group thereof.
As one embodiment of the present of invention, in Fig. 3 b, also comprise updating block 305, be used for PUSC territory sub carrier group information according to described computing unit output, the sub carrier group of upgrading in the described memory cell is used tabulation.
As one embodiment of the present of invention, at computing unit 302 described in Fig. 3 b, also be used to the little base station assigns PUSC of described neighbour territory sub carrier group information, for the PUSC territory sub carrier group of the little base station assigns of described neighbour different with the PUSC territory sub carrier group that is described little base station assigns.
Be depicted as the little base station of the present invention example structure figure as Fig. 4 a.
Receiving element 401 is used to receive the PUSC territory sub carrier group information that the FAP configuration center is distributed to this little base station.
Be depicted as the little base station of the present invention another example structure figure as Fig. 4 b.
Except identical with partial function unit among Fig. 4 a, also comprise transmitting element 403, be used to send the positional information and the coverage information of this little base station.Described transmitting element also is used for the information of the employed sub carrier group in PUSC territory is sent.
As one embodiment of the present of invention, in the embodiment shown in Fig. 4 b, also comprise division unit 404, be used to set a channel quality thresholds value, if the channel quality identification that user's mobile communication terminal sends is less than described threshold value then this little base station utilizes the sub carrier group in PUSC territory to modulate.
FAP receives the channel quality identification (CQI) of mobile communication terminal feedback, comprise channel disturbance noise ratio (CINR) and receive channel intensity (RSSI) parameter, CINR and RSSI are obtained the CQI value by certain priority and weight calculation, and FAP requires according to quality of signals and the error rate requires to set described channel quality thresholds value.Described division unit judges whether the CQI value is lower than described threshold value, if be lower than described threshold value then this little base station utilizes the subcarrier in PUSC territory to modulate.As one embodiment of the present of invention, described adjustment unit 402 also is used for adjusting the employed sub carrier group in described PUSC territory, little base station according to the sub carrier group information of described distribution.
Be illustrated in figure 5 as the system embodiment structure chart of allocation of subcarriers group of the present invention.
Comprise FAP configuration center 501 and little base station 502.
Described FAP configuration center 501 is used for the overlapping adjacent little base station that is coated with definite and the little base station that networks; Searching the use information of the little base station of described neighbour to the subcarrier PUSC territory sub carrier group of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station; And send described PUSC territory sub carrier group information to described little base station.
Described little base station 502 is used to receive the PUSC territory sub carrier group information that described FAP configuration center is distributed to this little base station; Its employed PUSC territory sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
As one embodiment of the present of invention, described FAP configuration center 501 is searched the PUSC territory sub carrier group of described little base station and adjacent little base station and is used information, generates the sub carrier group information that use in the PUSC territory described little base station.
As one embodiment of the present of invention, described FAP configuration center 501 also generates the PUSC territory sub carrier group information of the little base station of described neighbour, sends to the little base station of corresponding neighbour, makes the little base station of described neighbour and little base station use different sub carrier group to modulate.
As one embodiment of the present of invention, described FAP configuration center 501 also is used to store sub carrier group and uses tabulation, and this sub carrier group is used the use information of storing described little base station and PUSC territory, adjacent little base station sub carrier group thereof in the tabulation.
As one embodiment of the present of invention, described FAP configuration center 501 also is used for using the sub carrier group of the described FAP configuration center of information updating to use tabulation according to the PUSC territory sub carrier group of described little base station.
As one embodiment of the present of invention, described little base station 502 also is used to send the positional information and the coverage information of this little base station.
As one embodiment of the present of invention, described little base station 502 also is used to set a channel quality thresholds value, if the channel quality identification that user's mobile communication terminal sends is less than described threshold value then described little base station utilizes the subcarrier in PUSC territory to modulate.
As one embodiment of the present of invention, described little base station 502 also is used for adjusting the employed sub carrier group in described PUSC territory, little base station according to the sub carrier group information of described distribution.
Be illustrated in figure 6 as the first embodiment flow chart of system when FAP networks of allocation of subcarriers group of the present invention.
Step 601, FAP2 networking authentication success.
Step 602, security gateway reports FAP2 to network to the FAP configuration center and notifies, comprise the positional information of FAP2, coverage information etc.The FAP configuration center also can obtain described FAP information from FAP-AAA.
Optionally, step 603, FAP2 can actuating section MS function, detect near network environment is obtained partly the overlapping adjacent little base station (FAP1) of covering with it information by eating dishes without rice or wine, perhaps macro base station (BS) is broadcasted the information of adjacent area FAP1 in neighboring broadcast messages (NBR-ADV) message, and FAP2 obtains the FAP1 information of broadcasting earlier from described BS, on purpose scan the FAP1 of adjacent area again by eating dishes without rice or wine, to obtain the information of FAP1, give the FAP configuration center with the information uploading of described FAP1 then.
Step 604, the FAP configuration center has the information that covers overlapping adjacent sub-district FAP1 according to positional information and the coverage information inquiry of FAP2 with it, perhaps the FAP configuration center obtains the information of adjacent area FAP1 by step 603, obtain the sub carrier group information that adjacent area FAP1 uses in the PUSC territory by inquiry sub carrier group tabulation then, the PUSC territory of the FAP2 of new networking is distributed be different from the sub carrier group that use in the PUSC territory adjacent area on every side.The information of described FAP1 can be the identity information of described FAP1, and for example FAP sign etc. also can be other information that can determine the relation of described FAP PUCS employed with it territory subcarrier, and the embodiment of the invention is not done qualification to this.Optionally, under a stable condition, also need adjacent area FAP that the sub carrier group that it uses in the PUSC territory is adjusted coordination.After adjustment is finished, upgrade the sub carrier group tabulation.For example, before FAP2 networks, the FAP that does not have adjacent work around the FAP1, it is 0,1,2,3,4,5 that FAP1 uses sub carrier group in the PUSC territory, after FAP2 networks, the FAP configuration center is dynamically adjusted, and the sub carrier group that FAP1 is used in the PUSC territory is adjusted into 0,1,2, and giving the sub carrier group of the PUSC territory distribution of FAP2 is 3,4,5.
Step 605, the FAP configuration center sends to FAP1 with new assignment information.
Step 606, FAP1 carries out scheduling of resource, uses newly assigned sub carrier group to modulate in the PUSC territory of FAP1.
Step 607 after the adjustment of FAP1 sub carrier group is finished, is replied acknowledge message to the FAP configuration center.
Step 608, the sub carrier group that the FAP configuration center will be distributed to FAP2 sends to FAP2.
Step 609, FAP2 carries out scheduling of resource, modulates in the sub carrier group that the PUSC territory of FAP2 uses configuration center to distribute.
Step 610, FAP2 sends acknowledge message to the FAP configuration center after finishing the sub carrier group configuration.
As one embodiment of the present of invention, when the sub carrier group distribution condition of adjacent area FAP1 does not change, do not need to carry out above-mentioned steps 605 to 607.
Be illustrated in figure 7 as the flow chart of first embodiment when FAP moves back net of system of the present invention.Owing to when the FAP access network, adopted the method for the embodiment of the invention, when moving back net, this FAP can adopt following method.
Step 701, FAP2 moves back and nets successfully.
Step 702, the FAP configuration center is discharged into adjacent area FAP1 with the sub carrier group that FAP2 uses.The FAP configuration center is by inquiry subcarrier allocation tabulation, and the PUSC territory sub carrier group distribution condition of inquiring about other adjacent areas of adjacent little base station FAP1 and FAP1 discharges sub carrier group suitable among the FAP2 to FAP1 and uses in the PUSC territory.
Step 703, if the PUSC territory sub carrier group that FAP1 distributes changes, the FAP configuration center sends to FAP1 with new sub carrier group distribution condition.
Step 704 if FAP1 receives the new sub carrier group information that the FAP configuration center issues, is dispatched adjustment accordingly by Resource Scheduler, uses new sub carrier group to modulate in the PUSC territory.
Step 705, FAP1 replys confirmation to the FAP configuration center after finishing sub carrier group adjustment and scheduling.
FAP adopts the method for the foregoing description can strengthen the utilance of adjacent sub-district sub carrier group when moving back net.
As one embodiment of the present of invention, when the sub carrier group distribution condition of adjacent area FAP1 does not change, do not need to carry out above-mentioned steps 703 to 705.
Scene, the adjustment allocation flow of sub carrier group and the above-mentioned scene basically identical that has only the overlapping FAP of single covering that the overlapping FAP of a plurality of coverings is arranged around the FAP for new networking.The FAP configuration center need be inquired about the new networking FAP PUSC territory sub carrier group operating position of all adjacent little base stations on every side, is issued to the FAP of new networking and each the adjacent little base station that changes with adjusting allocation result.Corresponding FAP uses new sub carrier group that information is modulated by resource transfer in the PUSC territory.
Be illustrated in figure 8 as the second embodiment flow chart of allocation of subcarriers group system of the present invention when FAP networks.
Step 801, FAP2 networking authentication success.
Step 802, security gateway reports FAP2 to network to the FAP configuration center and notifies, comprise the positional information of FAP2, coverage information etc.Configuration center also can obtain described FAP information from FAP-AAA.Configuration center determines to have with FAP2 the information of the neighbor cell FAP1 of overlapping covering according to these information.
As optionally, step 803, FAP2 can actuating section MS function, near detecting by eating dishes without rice or wine network environment is obtained part to be had with it and covers overlapping adjacent little base station (FAP1), perhaps BS broadcasts the information of FAP in NBR-ADV message, and FAP2 obtains the FAP1 information of broadcasting earlier from described BS, on purpose scan the FAP1 of adjacent area again by eating dishes without rice or wine, to obtain the information of FAP1, give the FAP configuration center with the information uploading of described FAP1 then.
The information of described FAP1 can be the identity information of described FAP1, and for example FAP sign etc. also can be other information that can determine the relation of described FAP PUCS employed with it territory subcarrier, and the embodiment of the invention is not done qualification to this.
Step 804, FAP configuration center are obtained the PUSC territory sub carrier group that FAP1 uses in the PUSC territory from FAP1.
Step 805 according to the result of calculation of FAP configuration center, distributes the FAP2 of new networking to be different from the PUSC territory sub carrier group of adjacent area on every side, also needs PUSC territory, adjacent area sub carrier group to adjust coordination under a stable condition.
Step 806 changes if distribute to the PUSC territory sub carrier group of adjacent area FAP1, and the FAP configuration center sends to FAP1 with new assignment information.
Step 807, FAP1 carries out scheduling of resource, uses newly assigned sub carrier group to modulate in the PUSC territory.
Step 808 after the adjustment of FAP1 sub carrier group is finished, is replied acknowledge message to the FAP configuration center.
Step 809, the sub carrier group that the FAP configuration center will be distributed to FAP2 sends to FAP2.
Step 810, FAP2 carries out scheduling of resource, and the sub carrier group of using configuration center to distribute in the PUSC territory is modulated.
Step 811, FAP2 sends acknowledge message to the FAP configuration center after finishing the sub carrier group configuration.
As one embodiment of the present of invention, when the sub carrier group distribution condition of adjacent area FAP1 does not change, do not need to carry out above-mentioned steps 806 to 808.
Be illustrated in figure 9 as the flow chart of second embodiment when FAP moves back net of system of the present invention.
Step 901, FAP2 moves back and nets successfully.
Step 902, the FAP configuration center is discharged into adjacent area FAP1 with the sub carrier group that FAP2 uses.The FAP configuration center is by directly obtaining the sub carrier group information of using separately from neighbor cell and adjacent area, obtain the sub carrier group distribution condition of adjacent sub-district FAP1 and other adjacent areas of FAP1 in this example, sub carrier group suitable among the FAP2 is discharged to FAP1 use in the PUSC territory.
Step 903, if the sub carrier group that FAP1 distributes changes, the FAP configuration center sends to FAP1 with new sub carrier group distribution condition.
Step 904, FAP1 receives the new sub carrier group information that the FAP configuration center issues, and dispatches adjustment accordingly by adjustment unit, uses new sub carrier group to modulate in the PUSC territory.
Step 905, FAP1 replys confirmation to the FAP configuration center after finishing sub carrier group adjustment and scheduling.
As one embodiment of the present of invention, when the sub carrier group distribution condition of adjacent area FAP1 does not change, do not need to carry out above-mentioned steps 903 to 905.
The beneficial effect of embodiments of the invention is that FAP adopts the method for the foregoing description can strengthen the utilance of adjacent sub-district sub carrier group when moving back net.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by hardware, also can realize by the mode that software adds necessary general hardware platform.Based on such understanding, technical scheme of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the method for an allocation of subcarriers group is characterized in that this method comprises:
The overlapping adjacent little base station that is coated with the little base station that networks is determined at little base station configuration center;
Searching the use information of the little base station of described neighbour to the subcarrier PUSC territory sub carrier group of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station;
Send the PUSC territory sub carrier group information of described distribution to described little base station.
2. method according to claim 1 is characterized in that described definite overlapping adjacent little base station that is coated with little base station comprises:
Described little base station configuration center receives positional information and the coverage information that described little base station reports, and perhaps obtains the positional information and the coverage information of described little base station from AAA server;
Described little base station configuration center has the overlapping adjacent little base station of covering according to the positional information and the coverage information inquiry of described little base station with it, perhaps described little base station obtains the little base station of described neighbour by scanning, and gives described little base station configuration center with the information uploading of the little base station of described neighbour.
3. method according to claim 1, it is characterized in that describedly searching adjacent little base station the use information of PUSC territory sub carrier group being comprised, search the sub carrier group that is stored in described little base station configuration center and use tabulation, to obtain the use information of the little base station of described neighbour PUSC territory sub carrier group; Perhaps obtain the use information of described PUSC territory sub carrier group from the little base station of described neighbour.
4. method according to claim 3, it is characterized in that, if the little base station of described neighbour is to use tabulation to obtain by searching the sub carrier group that is stored in described little base station configuration center to the use information of PUSC territory sub carrier group, then after distributing the sub carrier group different, also comprise, use the sub carrier group at the described little base station configuration of information updating center to use tabulation according to the PUSC territory sub carrier group of described little base station with the PUSC territory sub carrier group of the little base station of described neighbour for the PUSC territory of described little base station.
5. according to any described method of claim 1 to 4, it is characterized in that, also comprise:
Be the little base station assigns PUSC of described neighbour territory sub carrier group information, for the PUSC territory sub carrier group of the little base station assigns of described neighbour different with the PUSC territory sub carrier group that is described little base station assigns;
Send the PUSC territory sub carrier group information of distributing to this little base station of neighbour to the little base station of described neighbour.
6. method according to claim 1, it is characterized in that, comprise that further described little base station receives the described PUSC territory sub carrier group information that the FAP configuration center distributes, and employed PUSC territory, described little base station sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
7. method according to claim 1 is characterized in that, when net was moved back in described little base station, described little base station configuration center discharged little base station to described neighbour with described little base station in employed PUSC territory, PUSC territory sub carrier group.
8. little base station configuration center is characterized in that this little base station configuration center comprises:
Determining unit is used for the overlapping adjacent little base station that is coated with definite and the little base station that networks;
Computing unit, being used to search the use information of the definite little base station of described neighbour of described determining unit to the sub carrier group in the subcarrier PUSC territory of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station;
Transmitting element is used for sending described PUSC territory sub carrier group information to described little base station.
9. little base station configuration according to claim 8 center is characterized in that, also comprises memory cell, is used to store sub carrier group and uses tabulation, and this sub carrier group uses tabulation to be used to store described little base station and adjacent little base station thereof the use information to sub carrier group;
Described determining unit is obtained the use information of the little base station of described neighbour to PUSC territory sub carrier group from described memory cell.
10. little base station configuration according to claim 9 center is characterized in that, also comprises updating block, is used for the PUSC territory sub carrier group information according to described computing unit output, and the sub carrier group of upgrading in the described memory cell is used tabulation.
11. little base station configuration according to claim 8 center, it is characterized in that, described computing unit also is used to the little base station assigns PUSC of described neighbour territory sub carrier group information, for the PUSC territory sub carrier group of the little base station assigns of described neighbour different with the PUSC territory sub carrier group that is described little base station assigns.
12. a little base station is characterized in that this little base station comprises:
Receiving element is used to receive the PUSC territory sub carrier group information that the FAP configuration center is distributed to this little base station;
Adjustment unit is used for the PUSC territory sub carrier group information according to described distribution, employed PUSC territory, described little base station sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
13. the system of an allocation of subcarriers group is characterized in that this system comprises little base station and little base station configuration center;
Described little base station configuration center is used for the overlapping adjacent little base station that is coated with definite and the little base station that networks; Searching the use information of the little base station of described neighbour to the subcarrier PUSC territory sub carrier group of part use, is that the PUSC territory sub carrier group different with the PUSC territory sub carrier group of the little base station of described neighbour distributed in the PUSC territory of described little base station; And send described PUSC territory sub carrier group information to described little base station;
Described little base station is used to receive the PUSC territory sub carrier group information that described FAP configuration center is distributed to this little base station; Its employed PUSC territory sub carrier group is adjusted into the PUSC territory sub carrier group of described distribution.
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| CN200910134028A CN101854722A (en) | 2009-04-03 | 2009-04-03 | Method, device and system for distributing subcarrier groups |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089143A1 (en) * | 2010-12-29 | 2012-07-05 | 华为技术有限公司 | Method for updating system messages, communication system and enode b |
| CN103024754A (en) * | 2011-09-27 | 2013-04-03 | 普天信息技术研究院有限公司 | Multi-carrier-based method for interference coordination among micro base stations |
| CN103796210A (en) * | 2012-10-26 | 2014-05-14 | 中国移动通信集团北京有限公司 | Method and device for performing signal transmission |
-
2009
- 2009-04-03 CN CN200910134028A patent/CN101854722A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089143A1 (en) * | 2010-12-29 | 2012-07-05 | 华为技术有限公司 | Method for updating system messages, communication system and enode b |
| CN102573062A (en) * | 2010-12-29 | 2012-07-11 | 华为技术有限公司 | Method for updating system messages, communication system and base station |
| CN103024754A (en) * | 2011-09-27 | 2013-04-03 | 普天信息技术研究院有限公司 | Multi-carrier-based method for interference coordination among micro base stations |
| CN103024754B (en) * | 2011-09-27 | 2015-07-15 | 普天信息技术研究院有限公司 | Multi-carrier-based method for interference coordination among micro base stations |
| CN103796210A (en) * | 2012-10-26 | 2014-05-14 | 中国移动通信集团北京有限公司 | Method and device for performing signal transmission |
| CN103796210B (en) * | 2012-10-26 | 2017-08-25 | 中国移动通信集团北京有限公司 | A kind of method and apparatus for carrying out signal transmission |
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