CN102378260A - Mobility load balance realizing method and device - Google Patents
Mobility load balance realizing method and device Download PDFInfo
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- CN102378260A CN102378260A CN2010102598825A CN201010259882A CN102378260A CN 102378260 A CN102378260 A CN 102378260A CN 2010102598825 A CN2010102598825 A CN 2010102598825A CN 201010259882 A CN201010259882 A CN 201010259882A CN 102378260 A CN102378260 A CN 102378260A
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Abstract
The invention discloses a mobility load balance realizing method and a device. The method comprises the following steps that: when a macro base station is required to execute the mobility load balance, the macro base station selects a target public home base station according to information of public home base station reported by user equipment; and the macro base station switches the user equipment served by the macro base station to the target public home base station in the coverage of the target public home base station. Through the above technical scheme, the mobility load balance success rate can be improved, and the network-wide optimized load balance can be realized.
Description
Technical field
The present invention relates to communication technical field, relate in particular to balanced implementation method of a kind of moving load and device.
Background technology
Along with the development of communication network, the MLB of network (Mobility Load Balance, moving load is balanced) characteristic is more and more important.When the load of sub-district is higher than certain thresholding, can hold consultation with peripheral cell, through revising the mobility parameter; UE (User Equipment in the sub-district that load is high; Subscriber equipment) switches in the low sub-district of load, thereby reach load balancing, but more access-in resource is provided for the cell-of-origin; Reduce the admission reject rate, improve power system capacity.
Existing MLB scene; Usually be confined between the macrocell of 2 direct neighbors; When the load of certain macrocell was higher than preset thresholding, the macrocell that can be adjacent was held consultation, and the UE in the macrocell that this load is high switches in the low macrocell of the load that is adjacent.
The inventor finds that there is following defective at least in prior art in realizing process of the present invention:
When macrocell need carry out MLB; If can not find suitable adjacent macro cell; Can't accomplish MLB, thereby cause power system capacity to descend, can't reach the effect of load balance of network-wide optimization; Even also can cause system's fluctuation of service or QoS (Quality of Service, service quality) to descend.
Summary of the invention
The embodiment of the invention provides balanced implementation method of a kind of moving load and device, in order to improve the balanced success rate of moving load.
The embodiment of the invention provides a kind of moving load balanced implementation method, may further comprise the steps:
When macro base station need carry out moving load when balanced, said macro base station is according to the information of the public household base station of user equipment to report, select target public household base station;
Said macro base station is with switching to said target public household base station by the subscriber equipment of said macro base station service in the said target public household base station range.
Preferably, said macro base station, also comprises before the select target public household base station according to the information of the public household base station of user equipment to report:
Said macro base station notifying user equipment reports the information of public household base station, and obtains the information of the public household base station of said user equipment to report.
Preferably, said macro base station is according to the information of the public household base station of user equipment to report, and select target public household base station is specially:
Said macro base station is confirmed the subscriber equipment quantity in the public household base station range according to the information of said public household base station;
Said macro base station is according to the subscriber equipment quantity in the said public household base station range, select target public household base station.
Preferably, said macro base station is according to the information of the public household base station of user equipment to report, and select target public household base station is specially:
Transmitting power is improved in said macro base station notice public household base station, obtains the public household base station of improving transmitting power and the not improving transmitting power subscriber equipment quantity information in the coverage separately;
Said macro base station is according to the subscriber equipment quantity information in the said public household base station range, select target public household base station.
Preferably, said macro base station obtains the load information of public household base station, and transmitting power is improved in the public household base station that is lower than load-threshold according to the load information notification payload that gets access to.
Preferably, said macro base station is according to the subscriber equipment quantity in the public household base station range, and select target public household base station is specially:
Said macro base station is according to the subscriber equipment quantity in each public household base station range, according to from many to the one or more public households of few selective sequential base station as target public household base station.
Preferably, said macro base station, also comprises after the select target public household base station according to the subscriber equipment quantity in the public household base station range:
With being enhanced transmitting power but the transmitting power that is not selected as the public household base station of target public household base station reduce.
Preferably, said macro base station obtains the load information of public household base station, comprising:
Said macro base station obtains its load information according to the information of the public household base station of user equipment to report from corresponding public household base station.
Preferably, said macro base station obtains the subscriber equipment quantity information in the public household base station range, comprising:
Said macro base station is notified the information of the user equipment to report public base station in its coverage;
Said macro base station is according to the information of the public household base station of user equipment to report, and statistical report has the subscriber equipment quantity of identical public household base station information, and confirms the subscriber equipment quantity in each public household base station range according to statistics.
Preferably, after the said macro base station select target public household base station, also comprise:
The transmitting power that said macro base station will not be selected as the Home eNodeB of target public household base station reduces.
The embodiment of the invention also provides a kind of macro base station, comprising:
Acquisition module is used to obtain the information of the public household base station of user equipment to report;
Select module, be used for information, select target public household base station according to the public household base station of user equipment to report;
Handover module, the subscriber equipment by said macro base station service in the target public household base station range that is used for said selection module is selected switches to said target public household base station.
Preferably, described macro base station also comprises:
First notification module is used for the information that notifying user equipment reports the public household base station.
Preferably, said selection module comprises:
Confirm submodule, be used for information, confirm the subscriber equipment quantity in the public household base station range according to said public household base station;
The chooser module is used for according to the subscriber equipment quantity in the said public household base station range select target public household base station.
Preferably, said acquisition module also is used to obtain the load information of public household base station;
Said macro base station also comprises:
Second notification module is used to notify the public household base station to improve transmitting power;
Said definite submodule is used for after transmitting power is improved in said second notification module notice public household base station, confirming the public household base station interior subscriber equipment quantity information of coverage separately.
Preferably, said second notification module also is used for before transmitting power is improved in notice public household base station, notice public household base station load information reporting; And when improving transmitting power in notice public household base station, the load information notification payload that reports according to the public household base station is lower than the public household base station of load-threshold and improves transmitting power;
Said acquisition module also is used to obtain the load information that the public household base station reports;
Said definite submodule; Specifically be used for confirm improving the public household base station subscriber equipment quantity information in the coverage separately after the transmitting power, perhaps confirm to improve public household base station after the transmitting power and that the do not improve transmitting power subscriber equipment quantity information in the coverage separately.
Preferably, said chooser module specifically is used for according to the subscriber equipment quantity in each public household base station range, according to from many to the one or more public households of few selective sequential base station as target public household base station.
Preferably, said second notification module also is used to notify the public household base station reduction transmitting power that is enhanced transmitting power but is not selected as target public household base station.
Preferably, said acquisition module specifically is used for the information according to the public household base station of user equipment to report, obtains its load information from corresponding public household base station.
Preferably; Said definite submodule; Specifically be used for the information according to the public household base station of user equipment to report, statistical report has the subscriber equipment quantity of identical public household base station information, and confirms the subscriber equipment quantity in each public household base station range according to statistics.
Preferably, described macro base station also comprises:
The 3rd notice module is used to notify the Home eNodeB that is not selected as target public household base station to reduce transmitting power.
Compared with prior art; The embodiment of the invention has the following advantages: in the technical scheme that the embodiment of the invention provides; Use with macro base station to have overlapping covered public household base station, make choosing of MLB object more comprehensive, expanded the feasible region of MLB as the MLB object; Improve the success rate of MLB, helped realizing the load balancing of network-wide optimization.
Description of drawings
Fig. 1 is the balanced scene sketch map of realizing of the moving load in the embodiment of the invention;
Fig. 2 is the balanced implementation method flow chart of the moving load in the embodiment of the invention;
Fig. 3 is the sketch map that the Home eNodeB in the embodiment of the invention improves transmitting power;
Fig. 4 is the sketch map that the Home eNodeB in the embodiment of the invention reduces transmitting power;
Fig. 5 is the structural representation of a kind of macro base station in the embodiment of the invention;
Fig. 6 is the structural representation of the another kind of macro base station in the embodiment of the invention.
Embodiment
Because existing MLB scheme is confined to the load balancing of the macro base station of an overload is arrived the scene of another macro base station, and do not consider when the macro base station of overload can not find adjacent macro base station, how to accomplish the problem of MLB, cause easily accomplishing MLB.
For addressing the aforementioned drawbacks; In the technical scheme provided by the invention,, can search for suitable public household base station when the macro base station of overload can not find adjacent macro base station when carrying out MLB; And realize MLB with this public household base station, to improve network capacity and QoS of customer.
With scene shown in Figure 1 is example, macro base station eNB
CellFor the UE in its coverage provides service, and eNB
CellWith two Home eNodeB HeNB1
CellAnd HeNB2
CellThe common area of coverage is arranged.Work as eNB
CellDuring overload, if eNB
CellAbility and HeNB1
CellAnd/or HeNB2
CellCarry out MLB, then help reducing eNBc
EllLoad.
In order to realize that macro base station and Home eNodeB carry out MLB reducing the load of macro base station, in the technical scheme that the embodiment of the invention provides, macro base station is according to the information of the public household base station of user equipment to report, select target public household base station; Macro base station is with switching to target public household base station by the subscriber equipment of macro base station service in the target public household base station range.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme of the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
As shown in Figure 2, be the MLB implementation method flow chart in the embodiment of the invention.Whether the load that macro base station detects self surpasses preset thresholding, when load surpasses preset thresholding, then carries out MLB.Above-mentioned preset thresholding can be configured through the mode of static configuration or dynamic-configuration, and wherein, the preset thresholding that the mode through dynamic-configuration disposes can on-the-fly modify as required, carries out the flexibility of MLB thereby improved macro base station.Certainly, macro base station also can in officely what is the need for (as according to operator's needs) under the situation that will carry out MLB start the process of MLB.Macro base station can not inquire suitable adjacent macro cell or as required (like needs) according to operator start following MLB process:
Step 201, the macro base station notice is accepted the information of the user equipment to report public household base station of this macro base station service.
Particularly; Macro base station can send RRC (Radio Resource Control to subscriber equipment; Radio Resource control) measurement configuration request; Report the information of public household base station through this RRC measurement configuration request notifying user equipment, also can report the information of all Home eNodeB through this RRC measurement configuration request notifying user equipment.
Wherein, The RRC measurement configuration request can comprise CSG (Closed Subscriber Group; The Closed User Group) and mix PCI (Physical Cell Identity, Physical Cell Identifier)/PSC (Primary Synchronization Code, Primary Synchronisation Code) tabulation.The content of above-mentioned tabulation can be sky, and subscriber equipment can add the information that gets access in this tabulation after getting access to the relevant information of Home eNodeB, and the tabulation after the interpolation information is returned to macro base station.
Step 202, subscriber equipment are obtained the information of Home eNodeB, like SI (System Information, system information).
Particularly, the subscriber equipment in the Home eNodeB coverage can send query requests to Home eNodeB, and receives the response message that Home eNodeB returns, the SI information that can carry Home eNodeB in this response message.The SI information of Home eNodeB can comprise Base Station Identification, and this Home eNodeB is the public household base station or the indication information of privately owned Home eNodeB.Wherein, the public household base station is for can all subscriber equipmenies in coverage providing the Home eNodeB of service, and privately owned Home eNodeB is for only providing the Home eNodeB of service to particular user equipment.
Step 203, subscriber equipment reports the information of public household base station to macro base station, like SI information.
Subscriber equipment also can report all Home eNodeB SI information of (comprising public household base station and privately owned Home eNodeB) to macro base station.The public household base station be or/and the SI information of privately owned Home eNodeB can comprise the sign of Home eNodeB, for example CGI (Cell Global Identity, Cell Global Identification).If allow subscriber equipment to report the SI information of public household base station and privately owned Home eNodeB, comprise also in the Home eNodeB SI information of user equipment to report that then corresponding Home eNodeB is the public household base station or the indication information of privately owned Home eNodeB to macro base station.
Particularly, subscriber equipment can send the RRC measurement report to macro base station, reports the SI information of Home eNodeB through this RRC measurement report to macro base station, and wherein, the RRC measurement report can comprise information such as PCI/PSC, CGI and access module.
Step 204, macro base station notice public household base station load information reporting.
Particularly, macro base station can send S1 message to the public household base station according to the sign of the public household base station of user equipment to report, with the load information of request public household base station.
Step 205, load information is sent to macro base station in the public household base station.
Particularly, load information can be sent to macro base station through S1 message in the public household base station, can carry the sign and the corresponding load information of public household base station in this S1 message.
Step 206, macro base station notification payload are lower than the public household base station of load-threshold and improve transmitting power.
Particularly, after macro base station obtains the load information of public household base station, can judge whether the load of each public household base station is lower than load-threshold.Be lower than the public household base station of load-threshold for load, macro base station can send S1 message to this public household base station, improves transmitting power to notify this public household base station.This load-threshold can be provided with or/and adjust as required, if load is lower than this thresholding and shows that then the load of this public household base station is lighter, can also service be provided for more users equipment, otherwise, show that this public base station load is heavier.
Step 207, load are lower than the public household base station of load-threshold and improve transmitting power.
Particularly, as shown in Figure 3, after the public household base station receives the S1 message of macro base station transmission, improve the transmitting power of self according to this message.Wherein, dotted portion is for improving the coverage of transmitting power public household base station before, and solid line partly is the coverage of the public household base station after the raising transmitting power.Maximum transmission power can be brought up to the transmitting power of self in the public household base station, also can bring up to the product of maximum transmission power and preset ratio, for example, and 3/4ths of maximum transmission power.
Step 208, the macro base station notifying user equipment reports the information of public household base station.
Step 209, subscriber equipment are obtained the information of Home eNodeB, like SI information.
Step 210, subscriber equipment reports the information of public household base station to macro base station, like SI information.
Step 211, macro base station be according to the information of the public household base station of user equipment to report, select target public household base station from public household base station (can comprise public household base station of having improved transmitting power and the public household base station of not improving transmitting power).
Particularly; The information of public household base station can comprise the Home eNodeB sign of user equipment to report; Macro base station can be according to the information of the public household base station of reporting of user; Confirm the subscriber equipment quantity in the public household base station range, promptly report the subscriber equipment quantity of identical public household base station information, confirm the subscriber equipment quantity in the coverage of each public household base station according to statistics according to the Information Statistics of the public household base station of reporting of user.Macro base station can be according to the subscriber equipment quantity in the public household base station range, according to from how being sorted in the public household base station to few order, and according to the one or more public households of the selective sequential base station of ordering as target public household base station.For example, the public household base station that subscriber equipment quantity is maximum in the selection coverage from a plurality of public households base station is as target public household base station.Wherein, the subscriber equipment in the above-mentioned public household base station range is for being provided service and by the subscriber equipment that transmits and covered of public household base station by macro base station.
Step 212, the Home eNodeB that the macro base station notice is not selected as target public household base station reduces transmitting power.
Particularly, macro base station can be to improving transmitting power but is not selected as the public household base station of target public household base station and sends S1 message, reduces transmitting power with notice public household base station; Perhaps, send S1 message, reduce transmitting power with notice public household base station to all public household base stations that are not selected as target public household base station.Further, on this basis, macro base station can also send S1 message to privately owned Home eNodeB, notifies privately owned Home eNodeB to reduce transmitting power.
Step 213, the Home eNodeB that is not selected as target public household base station reduces transmitting power.
Particularly, as shown in Figure 4, eNB
CellSelect HeNB1
CellAs target public household base station, be not selected HeNB2 as target public household base station
CellAfter receiving the S1 message of macro base station transmission, can reduce the transmitting power of self.Wherein, dotted portion is for reducing the coverage of transmitting power Home eNodeB before, and solid line partly is the coverage of the Home eNodeB after the reduction transmitting power.Home eNodeB can be reduced to the transmitting power of self transmitting power before the step 207, even is reduced to than the lower transmitting power of transmitting power before the step 207.
Step 21 4, macro base station confirm in the common area of coverage between self and the target public household base station to be provided by macro base station the subscriber equipment of service, this subscriber equipment are reshuffled, so that this subscriber equipment is switched to target public household base station.
Particularly, after macro base station is confirmed target public household base station, can be with the subscriber equipment of the sign that reports this target public household base station as the subscriber equipment that service is provided by macro base station in the common area of coverage between macro base station and this target public household base station.Macro base station can be reshuffled the subscriber equipment in the common area of coverage through dedicated signaling, can comprise handoff parameter in this dedicated signaling, for example Measuring Time and/or relevant switching threshold etc.Subscriber equipment can carry out handover measurement according to above-mentioned handoff parameter, generates the handover measurement report that comprises handover measurement, and this handover measurement report sends to macro base station.Macro base station switches to target public household base station according to the handover measurement in the handover measurement report with this subscriber equipment, to realize MLB.
Need to prove; Above-mentioned steps 206-207 is the preferred steps of the embodiment of the invention; Through improving the transmitting power of public household base station; Can improve the coverage of public household base station, increase the quantity of the subscriber equipment in the public household base station range, thereby can foundation be provided for the target public household base station that service is provided than multi-user installation for selecting.In other execution modes of the present invention, execution in step 206-207 does not promptly improve the transmitting power of public household base station yet, can reach the purpose of MLB to a certain extent yet.In addition, in other execution modes of the present invention, macro base station also can select to improve the public household base station of transmitting power according to other conditions except that load is lower than load-threshold.For example, macro base station can be notified the public household base station raising transmitting power that the interior subscriber equipment quantity of coverage is lower than preset thresholding.Macro base station can obtain the public household base station of improving after the transmitting power subscriber equipment quantity information in the coverage separately, also can obtain public household base station after the transmitting power and that the do not improve transmitting power subscriber equipment quantity information in the coverage separately that improves.
Above-mentioned steps 212-213 can be the preferred steps of the embodiment of the invention, is not selected as the public household base station of target public household base station and/or the transmitting power of privately owned Home eNodeB through reducing, and can reduce the interference between the base station.In other execution modes of the present invention, execution in step 212-213 does not promptly reduce the transmitting power that is not selected as the Home eNodeB of target public household base station yet, can reach the purpose of MLB to a certain extent yet.
In another embodiment of the present invention; Different with previous embodiment is: after the information (like SI information) of the user equipment to report public household base station of macro base station in notifying its coverage, can be directly select target public household base station according to the information (like Base Station Identification) of the public household base station of user equipment to report.The mode of macro base station select target public household base station can have multiple.For example, macro base station can be according to the information of the public household base station of user equipment to report, select target public household base station at random from a plurality of public households base station; Also can select the corresponding public household base station of this information as target public household base station according to the information that receives at first by the public household base station of user equipment to report.Macro base station can also for example, select the lighter public household base station of one or more loads as target public household base station according to the load information select target public household base station of each public household base station.The mode of the Information Selection target public household base station of above-mentioned public household base station according to user equipment to report is all in protection scope of the present invention.
In the technical scheme that the embodiment of the invention provides; Use with macro base station to have overlapping covered public household base station, make choosing of MLB object more comprehensive, expanded the feasible region of MLB as the MLB object; Improve the success rate of MLB, helped realizing the load balancing of network-wide optimization.Further; When according to the quantity select target public household base station of the subscriber equipment in the public household base station range; Can guarantee provides the quantity of subscriber equipment of service abundant by macro base station in the target public household base station range; Thereby can the subscriber equipment of relative a greater number be switched to the public household base station, so that improve the load balancing effect.
According to the MLB implementation method that provides in the above-mentioned execution mode, the embodiment of the invention also provides the device of using above-mentioned MLB implementation method.
As shown in Figure 5, the structural representation for a kind of macro base station in the embodiment of the invention comprises:
Above-mentioned acquisition module 520 also is used to obtain the load information of public household base station.
Particularly, above-mentioned acquisition module 520 specifically is used for the information according to the public household base station of user equipment to report, obtains its load information from corresponding public household base station.
Above-mentioned selection module 530 comprises:
Above-mentioned definite submodule 531; Specifically be used for information according to the public household base station of user equipment to report; Statistical report has the subscriber equipment quantity of identical public household base station information, and confirms the subscriber equipment quantity in each public household base station range according to statistics.
Above-mentioned chooser module 532; Specifically be used for according to the subscriber equipment quantity in each public household base station range; According to from how being sorted in the public household base station, and select one or more public households base station as target public household base station to few order.For example, the public household base station that the subscriber equipment quantity in the selection coverage is maximum from a plurality of public households base station is as target public household base station.
Preferably, the macro base station in the embodiment of the invention may further include:
Particularly, second notification module 550 can be before transmitting power be improved in notice public household base station, notice public household base station load information reporting; And when improving transmitting power in notice public household base station, the load information notification payload of the public household base station that obtains according to acquisition module 520 is lower than the public household base station of load-threshold and improves transmitting power.
Correspondingly, above-mentioned definite submodule 531 is used for after transmitting power is improved in second notification module, 550 notice public household base stations, confirming the public household base station interior subscriber equipment quantity information of coverage separately.
Particularly; Above-mentioned definite submodule 531 can confirm to improve the public household base station subscriber equipment quantity information in the coverage separately after the transmitting power, perhaps confirms to improve transmitting power and the public household base station of the not improving transmitting power interior subscriber equipment quantity information of coverage separately.
Above-mentioned second notification module 550 also is used to notify the public household base station reduction transmitting power that is enhanced transmitting power but is not selected as target public household base station.
In the technical scheme that the embodiment of the invention provides; Use with macro base station to have overlapping covered public household base station, make choosing of MLB object more comprehensive, expanded the feasible region of MLB as the MLB object; Improve the success rate of MLB, helped realizing the load balancing of network-wide optimization.
As shown in Figure 6, the structural representation for the another kind of macro base station in the embodiment of the invention comprises:
Above-mentioned selection module 630 comprises:
Above-mentioned definite submodule 631; Specifically be used for information according to the public household base station of user equipment to report; Statistical report has the subscriber equipment quantity of same home base station information, and confirms the subscriber equipment quantity in each public household base station range according to statistics.
Above-mentioned chooser module 632 specifically is used for according to the subscriber equipment quantity in each public household base station range, therefrom selects the maximum public household base station of the interior subscriber equipment quantity of coverage as target public household base station.
Preferably, the macro base station in the embodiment of the invention may further include:
The 3rd notice module 650 is used to notify the Home eNodeB that is not selected as target public household base station to reduce transmitting power.
In the technical scheme that the embodiment of the invention provides; Use with macro base station to have overlapping covered public household base station, make choosing of MLB object more comprehensive, expanded the feasible region of MLB as the MLB object; Improve the success rate of MLB, helped realizing the load balancing of network-wide optimization.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that the technical scheme of the embodiment of the invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium, comprise some instructions with so that a station terminal equipment (can be mobile phone, personal computer; Server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from embodiment of the invention principle; Can also make some improvement and retouching, these improvement and retouching also should be looked protection scope of the present invention.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be integrated in one, and also can separate deployment; A module can be merged into, also a plurality of submodules can be further split into.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.
Claims (20)
1. the balanced implementation method of moving load is characterized in that, may further comprise the steps:
When macro base station need carry out moving load when balanced, said macro base station is according to the information of the public household base station of user equipment to report, select target public household base station;
Said macro base station is with switching to said target public household base station by the subscriber equipment of said macro base station service in the said target public household base station range.
2. the method for claim 1 is characterized in that, said macro base station, also comprises before the select target public household base station according to the information of the public household base station of user equipment to report:
Said macro base station notifying user equipment reports the information of public household base station, and obtains the information of the public household base station of said user equipment to report.
3. the method for claim 1 is characterized in that, said macro base station is according to the information of the public household base station of user equipment to report, and select target public household base station is specially:
Said macro base station is confirmed the subscriber equipment quantity in the public household base station range according to the information of said public household base station;
Said macro base station is according to the subscriber equipment quantity in the said public household base station range, select target public household base station.
4. the method for claim 1 is characterized in that, said macro base station is according to the information of the public household base station of user equipment to report, and select target public household base station is specially:
After transmitting power is improved in said macro base station notice public household base station, obtain the public household base station interior subscriber equipment quantity information of coverage separately;
Said macro base station is according to the subscriber equipment quantity information in the said public household base station range, select target public household base station.
5. method as claimed in claim 4; It is characterized in that; Transmitting power is improved in said macro base station notice public household base station; Be specially: after said macro base station obtained the load information of public household base station, transmitting power was improved in the public household base station that is lower than load-threshold according to the load information notification payload that gets access to;
Said macro base station obtains the public household base station of improving after the transmitting power subscriber equipment quantity information in the coverage separately, perhaps obtains public household base station after the transmitting power and that the do not improve transmitting power subscriber equipment quantity information in the coverage separately that improves.
6. like each described method of claim 3 to 5, it is characterized in that said macro base station is according to the subscriber equipment quantity in the public household base station range, select target public household base station is specially:
Said macro base station is according to the subscriber equipment quantity in each public household base station range, according to from many to the one or more public households of few selective sequential base station as target public household base station.
7. like claim 4 or 5 described methods, it is characterized in that said macro base station, also comprises after the select target public household base station according to the subscriber equipment quantity in the public household base station range:
With being enhanced transmitting power but the transmitting power that is not selected as the public household base station of target public household base station reduce.
8. method as claimed in claim 5 is characterized in that, said macro base station obtains the load information of public household base station, comprising:
Said macro base station obtains its load information according to the information of the public household base station of user equipment to report from corresponding public household base station.
9. like each described method of claim 3 to 5, it is characterized in that said macro base station obtains the subscriber equipment quantity information in the public household base station range, comprising:
Said macro base station is according to the information of the public household base station of user equipment to report, and statistical report has the subscriber equipment quantity of identical public household base station information, and confirms the subscriber equipment quantity in each public household base station range according to statistics.
10. like each described method in the claim 1 to 3, it is characterized in that, after the said macro base station select target public household base station, also comprise:
The transmitting power that said macro base station will not be selected as the Home eNodeB of target public household base station reduces.
11. a macro base station is characterized in that, comprising:
Acquisition module is used to obtain the information of the public household base station of user equipment to report;
Select module, be used for information, select target public household base station according to the public household base station of user equipment to report;
Handover module, the subscriber equipment by said macro base station service in the target public household base station range that is used for said selection module is selected switches to said target public household base station.
12. macro base station as claimed in claim 11 is characterized in that, also comprises:
First notification module is used for the information that notifying user equipment reports the public household base station;
Said acquisition module specifically is used for, and obtains the information of subscriber equipment according to the public household base station that notice reported of said first notification module transmission.
13. macro base station as claimed in claim 11 is characterized in that, said selection module comprises:
Confirm submodule, be used for information, confirm the subscriber equipment quantity in the public household base station range according to said public household base station;
The chooser module is used for according to the subscriber equipment quantity in the said public household base station range select target public household base station.
14. macro base station as claimed in claim 13 is characterized in that, also comprises:
Second notification module is used to notify the public household base station to improve transmitting power;
Said definite submodule is used for after transmitting power is improved in said second notification module notice public household base station, confirming the public household base station interior subscriber equipment quantity information of coverage separately.
15. macro base station as claimed in claim 14 is characterized in that,
Said second notification module also is used for before transmitting power is improved in notice public household base station, notice public household base station load information reporting; And when improving transmitting power in notice public household base station, the load information notification payload that reports according to the public household base station is lower than the public household base station of load-threshold and improves transmitting power;
Said acquisition module also is used to obtain the load information that the public household base station reports;
Said definite submodule; Specifically be used for confirm improving the public household base station subscriber equipment quantity information in the coverage separately after the transmitting power, perhaps confirm to improve public household base station after the transmitting power and that the do not improve transmitting power subscriber equipment quantity information in the coverage separately.
16. like each described macro base station of claim 13 to 15, it is characterized in that,
Said chooser module specifically is used for according to the subscriber equipment quantity in each public household base station range, according to from many to the one or more public households of few selective sequential base station as target public household base station.
17. like claim 14 or 15 described macro base stations, it is characterized in that,
Said second notification module also is used to notify the public household base station reduction transmitting power that is enhanced transmitting power but is not selected as target public household base station.
18. macro base station as claimed in claim 15 is characterized in that,
Said acquisition module specifically is used for the information according to the public household base station of user equipment to report, obtains its load information from corresponding public household base station.
19. like each described macro base station of claim 13 to 15, it is characterized in that,
Said definite submodule; Specifically be used for information according to the public household base station of user equipment to report; Statistical report has the subscriber equipment quantity of identical public household base station information, and confirms the subscriber equipment quantity in each public household base station range according to statistics.
20. like the described macro base station of claim 11 to 13, it is characterized in that, also comprise:
The 3rd notice module is used to notify the Home eNodeB that is not selected as target public household base station to reduce transmitting power.
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| CN2010102598825A CN102378260A (en) | 2010-08-20 | 2010-08-20 | Mobility load balance realizing method and device |
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