CN103416089A - Load balancing method and apparatus - Google Patents
Load balancing method and apparatus Download PDFInfo
- Publication number
- CN103416089A CN103416089A CN2012800027338A CN201280002733A CN103416089A CN 103416089 A CN103416089 A CN 103416089A CN 2012800027338 A CN2012800027338 A CN 2012800027338A CN 201280002733 A CN201280002733 A CN 201280002733A CN 103416089 A CN103416089 A CN 103416089A
- Authority
- CN
- China
- Prior art keywords
- normalized load
- serving cell
- load
- target cell
- alien frequencies
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000001174 ascending effect Effects 0.000 claims description 11
- 238000004891 communication Methods 0.000 abstract description 3
- 230000000977 initiatory effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000006855 networking Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical group [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a load balancing method and an apparatus, which relate to the communication field. The method comprises: obtaining an object zone, wherein the object zone is the different frequency neighborhood zone of a service zone, the normalized load difference between the service zone and the object zone proceeds a preset load threshold; and obtaining one or more user switching devices UE, wherein the sum of the normalized load is less than 1/2 of the normalized load difference between the service zone and the object zone, and the obtained switching device UE is switched from the service zone to the object zone. The apparatus comprises a first obtaining module, a second obtaining module and a switching module. According to the invention, 'ping pong' switching phenomenon is prevented.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method and apparatus of load balance.
Background technology
At LTE(Long Term Evolution, Long Term Evolution) in system, the high traffic area is adopted macro base station and micro-base station common networking to improve community and is covered, when the load of Shang De community, micro-base station is larger, micro-base station can be by load balance the fractional load of method Jiang Gai community be switched on the community of macro base station, realize the load balance between two communities.
Currently available technology provides a kind of method of load balance, can be specially: the Serving cell on micro-base station detects self current load, if self current load surpasses default threshold value, macro base station Shang De community of Serving cell selection is Target cell, and from self current load, selecting a part of load, the load of selection is switched in Target cell, to realize the load balance between Serving cell and Target cell.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art:
The load of the Target cell that Serving cell is selected may be also larger, if Serving cell is switched to Target cell by self fractional load, may cause that Target cell initiates the load switching, so produces the phenomenon of pingpang handoff.
Summary of the invention
For fear of the phenomenon that produces pingpang handoff, the invention provides a kind of method and apparatus of load balance.Described technical scheme is as follows:
First aspect, a kind of method of load balance, described method comprises:
Obtain Target cell, described Target cell is the alien frequencies adjacent area of Serving cell, and poor surpassing of the normalized load between described Serving cell and described Target cell preset load threshold;
Obtain one or more switching user equipment (UE)s, it is poor that the normalized load sum of the described switching UE obtained is less than 1/2nd described Serving cell and the normalized load between described Target cell, and the described switching UE obtained is switched to described Target cell from described Serving cell.
In the possible implementation of the first of above-mentioned first aspect, the described Target cell that obtains comprises:
If the normalized load of Serving cell surpasses default load balance gate limit, trigger the load balance operation;
Obtain the alien frequencies Neighboring Cell List that meets the switching capability requirement, and obtain the normalized load size of each alien frequencies adjacent area in described alien frequencies Neighboring Cell List;
The normalized load that calculates each alien frequencies adjacent area in described Serving cell and described alien frequencies Neighboring Cell List is poor;
Choose a poor alien frequencies adjacent area of default load threshold that surpasses of normalized load as Target cell.
In the possible implementation of the second of above-mentioned first aspect, the normalized load size of described alien frequencies adjacent area comprises up normalized load size and the descending normalized load size of described alien frequencies adjacent area;
In the described Serving cell of described calculating and described alien frequencies Neighboring Cell List, the normalized load of each alien frequencies adjacent area is poor, comprising:
The up normalization and the descending normalized load that calculate each alien frequencies adjacent area in described Serving cell and described alien frequencies Neighboring Cell List are poor.
In the third possible implementation of above-mentioned first aspect, the described poor alien frequencies adjacent area that surpasses default load threshold of normalized load of choosing, as Target cell, comprising:
Obtain and described Serving cell between up normalized load poor surpass default ascending load threshold value and and described Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load;
If get a plurality of alien frequencies adjacent area, from the described a plurality of alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of described selection is defined as to Target cell;
If get an alien frequencies adjacent area, the described alien frequencies adjacent area obtained is defined as to Target cell.
In the 4th kind of possible implementation of above-mentioned first aspect, describedly obtain one or more switching user equipment (UE)s, comprising:
Obtain a UE set, a described UE set comprises supports the frequency that described Target cell is shared and the UE with community switching capability, and the UE that a described UE set comprises is the UE of described Serving cell service;
The interface-free resources taken according to distribution and rollback priority ARP, the UE of UE, the UE down channel quality size to the down channel quality size of described Serving cell and UE to described Target cell is filtered and is obtained the 2nd UE and gather a described UE set;
From described the 2nd UE set, selecting one or more switching UE, it is poor that the normalized load sum of the switching UE of described selection is less than 1/2nd described Serving cell and the normalized load between described Target cell.
In the 5th kind of possible implementation of above-mentioned first aspect, the interface-free resources that described distribution according to UE and rollback priority ARP, UE take, UE filter and obtain the 2nd UE set a described UE set to the down channel quality size of described Target cell to down channel quality size and the UE of described Serving cell, comprising:
From the UE that removes a described UE set that ARP surpasses default ARP thresholding and the interface-free resources size that takies surpasses default interface-free resources size thresholding, obtain interim UE set;
Calculate UE that described interim UE set comprises to the down channel quality size of described Serving cell and to the ratio between the down channel quality size of described Target cell, from the down channel quality size that is removed to described Serving cell described interim UE set, surpass the UE that default down channel quality size thresholding and ratio surpasses default ratio threshold and obtain the 2nd UE set.
In the 6th kind of possible implementation of above-mentioned first aspect, described from the one or more switching of described the 2nd UE Resource selection UE, comprising:
Calculate the normalized load sum that described the 2nd UE gathers the UE comprised;
If it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
In the 7th kind of possible implementation of above-mentioned first aspect, the normalized load sum of the UE that described the 2nd UE set of described calculating comprises, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE, comprises:
Calculate described the 2nd UE and gather the up normalized load sum of the UE comprised and the descending normalized load sum of the UE that described the 2nd UE set comprises;
To be less than 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE that described the 2nd UE set comprises is less than the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and described the 2nd UE set of the up normalized load between described Target cell comprise, and the UE in described the 2nd UE being gathered is defined as switching UE.
In the 8th kind of possible implementation of above-mentioned first aspect, describedly from described UE set, comprise remaining UE and select one or more switching UE, also comprise:
If it is poor that described normalized load sum is more than or equal to 1/2nd described Serving cell and the normalized load between described Target cell, from described the 2nd UE set, removing the UE that takies the interface-free resources minimum.
In the 9th kind of possible implementation of above-mentioned first aspect, if it is poor that described normalized load sum is more than or equal to 1/2nd described Serving cell and the load between described Target cell,, from described the 2nd UE set, removing the UE that takies the interface-free resources minimum, comprising:
To be more than or equal to 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE that described the 2nd UE set comprises is more than or equal to the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and/or described the 2nd UE set of the up normalized load between described Target cell comprise, and removal takies the UE of interface-free resources minimum from described the 2nd UE gathers.
In the tenth kind of possible implementation of above-mentioned first aspect; if do not get Target cell; the starting protection timer starts timing, when the time of described protection timer timing reaches the Preset Time threshold value, re-executes the described operation that gets Target cell.
Second aspect, a kind of equipment of load balance, described equipment comprises:
The first acquisition module, be used to obtaining Target cell, described Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of the normalized load between described Serving cell and described Target cell preset load threshold;
The second acquisition module, be used to obtaining one or more switching user equipment (UE)s, it is poor that the normalized load sum of the described switching UE obtained is less than 1/2nd described Serving cell and the normalized load between described Target cell;
Handover module, be switched to from described Serving cell the described Target cell that described the first acquisition module obtains for the switching UE that described the second acquisition module is obtained.
In the possible implementation of the first of above-mentioned second aspect, described the first acquisition module comprises:
Trigger element, if surpass default load balance gate limit for the normalized load of Serving cell, trigger the load balance operation;
The first acquiring unit, be used to obtaining the alien frequencies Neighboring Cell List that meets the switching capability requirement, and obtain the normalized load size of each alien frequencies adjacent area in described alien frequencies Neighboring Cell List;
The first computing unit, poor for the normalized load that calculates described Serving cell and each alien frequencies adjacent area of described alien frequencies Neighboring Cell List;
The first selected cell, be used to choosing a poor alien frequencies adjacent area of default load threshold that surpasses of normalized load as Target cell.
In the possible implementation of the second of above-mentioned second aspect, the normalized load size of described alien frequencies adjacent area comprises up normalized load size and the descending normalized load size of described alien frequencies adjacent area;
Described the first computing unit, specifically poor for the up normalized load that calculates described Serving cell and each alien frequencies adjacent area of described alien frequencies Neighboring Cell List and descending normalized load is poor.
In the third possible implementation of above-mentioned second aspect, the described unit of choosing comprises:
Obtain subelement, be used to obtain and described Serving cell between up normalized load poor surpass default ascending load threshold value and and described Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load;
Choose subelement, if get a plurality of alien frequencies adjacent area for the described subelement that obtains, from the described a plurality of alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of described selection is defined as to Target cell;
Determine subelement, if get an alien frequencies adjacent area for the described subelement that obtains, the described alien frequencies adjacent area obtained is defined as to Target cell.
In the 4th kind of possible implementation of above-mentioned second aspect, described the second acquisition module comprises:
Second acquisition unit, be used to obtaining a UE set, a described UE set comprises supports the frequency that described Target cell is shared and the UE with community switching capability, and the UE that a described UE set comprises is the UE of described Serving cell service;
Filter element, the interface-free resources taken for the distribution according to UE and rollback priority ARP, UE, the UE down channel quality size to the down channel quality size of described Serving cell and UE to described Target cell is filtered and is obtained the 2nd UE and gather a described UE set;
The second selected cell, for from described the 2nd UE set, selecting one or more switching UE, it is poor that the normalized load sum of the switching UE of described selection is less than 1/2nd described Serving cell and the normalized load between described Target cell.
In the 5th kind of possible implementation of above-mentioned second aspect, described filter element comprises:
Remove subelement, for the interface-free resources size that surpasses default ARP thresholding from a described UE set removal ARP and take, surpass the UE that presets interface-free resources size thresholding and obtain interim UE set;
The first computation subunit, for calculating UE that described interim UE set comprises to the down channel quality size of described Serving cell and to the ratio between the down channel quality size of described Target cell, from the down channel quality size that is removed to described Serving cell described interim UE set, surpass the UE that default down channel quality size thresholding and ratio surpasses default ratio threshold and obtain the 2nd UE set.
In the 6th kind of possible implementation of above-mentioned second aspect, described selected cell comprises:
The second computation subunit, the normalized load sum of gathering the UE comprised for calculating described the 2nd UE, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
In the 7th kind of possible implementation of above-mentioned second aspect, described the second computation subunit, specifically be used to calculating described the 2nd UE, gather the up normalized load sum of the UE comprised and the descending normalized load sum of the UE that described the 2nd UE set comprises, if it is poor that the descending normalized load sum that the up normalized load sum of the UE that described the 2nd UE set comprises is less than 1/2nd described Serving cell and poor and described the 2nd UE of the up normalized load between described Target cell gathers the UE comprised is less than 1/2nd described Serving cell and the descending normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
In the 8th kind of possible implementation of above-mentioned second aspect, described selected cell also comprises:
Second removes subelement, if it is poor for described normalized load sum, to be more than or equal to 1/2nd described Serving cell and the normalized load between described Target cell, from removal described the 2nd UE set, takies the UE of interface-free resources minimum.
In the 9th kind of possible implementation of above-mentioned second aspect, described second removes subelement, to be more than or equal to 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE comprised for described the 2nd UE set is more than or equal to the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and/or described the 2nd UE set of the up normalized load between described Target cell comprise, and removal takies the UE of interface-free resources minimum from described the 2nd UE gathers.
In the tenth kind of possible implementation of above-mentioned second aspect; if do not get Target cell; the starting protection timer starts timing, when the time of described protection timer timing reaches the Preset Time threshold value, re-executes the described operation that gets Target cell.
The third aspect, a kind of equipment of load balance, described equipment comprises memory and processor, for carrying out the method as the described a kind of load balance of claim 1 to 8 any one claim.
In embodiments of the present invention, obtain Target cell, Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of normalized load between Serving cell and Target cell preset load threshold, obtain one or more switching UE, it is poor that the normalized load sum of the switching UE obtained is less than 1/2nd Serving cell and the normalized load between Target cell, and the one or more switching UE that obtain are switched to Target cell from Serving cell.Wherein, because the normalized load between Serving cell and Target cell is poor, surpass default load threshold, and the normalized load sum of the switching UE obtained to be less than 1/2nd Serving cell and the normalized load between Target cell poor, so one or more switching UE that will obtain are switched in Target cell, guarantee the load balance between Serving cell and Target cell, can not cause Target cell initiation load switching, avoid producing the phenomenon of pingpang handoff.
The accompanying drawing explanation
Fig. 1 is the networking scene of embodiment of the present invention application;
Fig. 2 is the method flow diagram of a kind of load balance of providing of the embodiment of the present invention;
Fig. 3 is the method flow diagram of the another kind of load balance that provides of the embodiment of the present invention;
Fig. 4 is the device structure schematic diagram of a kind of load balance of providing of the embodiment of the present invention;
Fig. 5 is the device structure schematic diagram of the another kind of load balance that provides of the embodiment of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.
Fig. 1 is the networking scene of embodiment of the present invention application, referring to Fig. 1, this networking scene is the network scenarios of macro base station and micro-base station common networking, when the normalized load on the Serving cell of micro-base station is larger, it is Target cell that the method for the load balance provided by the invention process is obtained De Yige community on macro base station, fractional load on Serving cell is switched in Target cell, and the embodiment of the present invention provides the detailed process of the method for load balance will be described in detail follow-up.
Referring to Fig. 2, the embodiment of the present invention provides a kind of method of load balance, comprising:
Step 101: obtain Target cell, Target cell is the alien frequencies adjacent area of Serving cell, and poor surpassing of the normalized load between Serving cell and Target cell preset load threshold;
Step 102: obtain one or more switching UE(User Equipment, subscriber equipment), it is poor that the normalized load sum of the switching UE obtained is less than 1/2nd Serving cell and the normalized load between Target cell, and the switching UE obtained is switched to Target cell from Serving cell.
In embodiments of the present invention, obtain Target cell, Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of normalized load between Serving cell and Target cell preset load threshold, obtain one or more switching UE, it is poor that the normalized load sum of the switching UE obtained is less than 1/2nd Serving cell and the normalized load between Target cell, and the switching UE obtained is switched to Target cell from Serving cell.Wherein, because the normalized load between Serving cell and Target cell is poor, surpass default load threshold, and the normalized load sum of the switching UE obtained to be less than 1/2nd Serving cell and the normalized load between Target cell poor, so one or more switching UE that will obtain are switched in Target cell, can not cause Target cell initiation load switching, avoid producing the phenomenon of pingpang handoff.
The embodiment of the present invention provides a kind of method of load balance.The normalized load size that Serving cell Real-time Obtaining self is current, when the normalized load size of self is prescribed a time limit over default load balance gate, the operation of triggering load balance, then the method by the present embodiment is switched to the fractional load of self in Target cell, to realize the load balance between Serving cell and Target cell.Referring to Fig. 3, the method comprises:
Step 201: obtain the alien frequencies Neighboring Cell List of Serving cell, and the normalized load size of obtaining each alien frequencies adjacent area that the alien frequencies Neighboring Cell List comprises, the normalized load size of alien frequencies adjacent area comprises up normalized load size and descending normalized load size;
Particularly, from the Neighboring Cell List of Serving cell, selecting to meet the alien frequencies adjacent area that switching capability requires and forming the alien frequencies Neighboring Cell List, by the X2 interface between Serving cell and alien frequencies adjacent area, obtain the normalized load size of each alien frequencies adjacent area that the alien frequencies Neighboring Cell List comprises, the normalized load size of alien frequencies adjacent area comprises up normalized load size and descending normalized load size.
Wherein, from the Neighboring Cell List of Serving cell, selecting to meet the operation of the alien frequencies adjacent area that switching capability requires, can be specially:
From the Neighboring Cell List of Serving cell, selecting handover success rate to be more than or equal to the alien frequencies adjacent area that is preset to power threshold.
Wherein, Neighboring Cell List of Serving cell self real-time servicing, this Neighboring Cell List comprises the adjacent area of Serving cell, and the adjacent area of Serving cell is all macro base station Shang De community, the adjacent area of Serving cell comprises homogeneous-frequency adjacent-domain and alien frequencies adjacent area; The shared frequency of the shared frequency of homogeneous-frequency adjacent-domain and Serving cell is identical, and the shared frequency of the shared frequency in alien frequencies adjacent area and Serving cell is different.
Wherein, have X2 interface between Serving cell and alien frequencies adjacent area, Serving cell obtains the normalized load size of alien frequencies adjacent area by the X2 interface between self and alien frequencies adjacent area, can be specially:
Serving cell sends load by the X2 interface between self and alien frequencies adjacent area and obtains request message to the alien frequencies adjacent area; The alien frequencies adjacent area obtains request message by the load that this X2 interface receives the Serving cell transmission, obtain the normalized load size of self, this normalized load size comprises up normalized load size and descending normalized load size, and the normalized load size by this X2 interface transmission self is to Serving cell; Serving cell receives by this X2 interface the normalized load size that the alien frequencies adjacent area sends.
Step 202: the normalized load between each alien frequencies adjacent area that calculation services community and alien frequencies Neighboring Cell List comprise is poor, and normalized load is poor comprises that up normalized load between Serving cell and alien frequencies adjacent area is poor and descending normalized load is poor;
Wherein, the current normalized load size of Serving cell comprises up normalized load size and the descending normalized load size that Serving cell is current; Particularly, poor according to up normalized load size calculation services community and the up normalized load between the alien frequencies adjacent area of the current up normalized load size of Serving cell and alien frequencies adjacent area, poor according to descending normalized load size calculation services community and the descending normalized load between the alien frequencies adjacent area of the current descending normalized load size of Serving cell and alien frequencies adjacent area.
Step 203: choose and Serving cell between the poor alien frequencies adjacent area that surpasses default load threshold of normalized load, an alien frequencies adjacent area of choosing is defined as to Target cell;
Particularly, from the alien frequencies Neighboring Cell List, obtain and Serving cell between up normalized load poor surpass default ascending load threshold value and and Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load, from the alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of selecting is defined as to Target cell.
Wherein, default load threshold comprises default ascending load threshold value and default down load threshold value, default ascending load threshold value can be greater than, be equal to or less than default down load threshold value, in the present embodiment, the magnitude relationship between default ascending load threshold value and default down load threshold value is not specifically limited.
Wherein, from the alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, can be specially:
If the alien frequencies adjacent area obtained comprises one, directly select the alien frequencies adjacent area obtained; If the alien frequencies adjacent area obtained comprises a plurality of, from alien frequencies adjacent area of random selection a plurality of alien frequencies adjacent area obtained, perhaps, from a plurality of alien frequencies adjacent area obtained, select and Serving cell between an alien frequencies adjacent area of the poor and/or poor maximum of descending normalized load of upper normalization row load, perhaps, from a plurality of alien frequencies adjacent area obtained, select and Serving cell between an alien frequencies adjacent area of the poor and/or poor minimum of descending normalized load of up normalized load.
Further; if do not get and Serving cell between the poor alien frequencies adjacent area that surpasses default load threshold of normalized load; namely from the alien frequencies Neighboring Cell List, do not get and Serving cell between up normalized load poor surpass default ascending load threshold value and and Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load; the starting protection timer starts timing; when the time of protection timer timing reaches the Preset Time threshold value, return to step 201 and restart and carry out.
Wherein, the protection timer carried out in the time of timing, and Serving cell does not trigger and carries out the load balance operation; And Serving cell also provides communication service for the UE that it is served.
Step 204: support the frequency that Target cell is shared and the UE with community switching capability from obtaining the UE of Serving cell service, the UE obtained is formed to a UE set;
Particularly, from the UE list that Serving cell comprises, selecting to support the frequency that Target cell is shared and the UE with community switching capability, the UE selected is formed to a UE set.
Wherein, in Serving cell, safeguard a UE list, this UE list comprises UE that Serving cell serves and the relevant information of this UE, the relevant information of this UE comprises the frequency that this UE supports, the ARP(Allocation and Retention Priority whether this UE has community switching capability, this UE, distributes and rollback priority) and the shared interface-free resources size of this UE;
Wherein, the UE initial registration is during to Serving cell, the frequency that self is supported and self whether have the community switching capability and inform Serving cell; Serving cell arranges the size of the ARP of this UE according to the information such as type of this UE, for example, if this UE is gold medal UE, the size of the ARP arranged for this UE is larger, if this UE is common UE, the size of the ARP arranged for this UE is less than the size of the ARP arranged into gold medal UE; Serving cell distributes the interface-free resources taken for this UE, the RB(Radio Bearer that the size of the interface-free resources that this UE is shared can take with this UE, radio bearer) number means; Then Serving cell is by this UE, and ARP and the shared relevant informations such as interface-free resources size of this UE that whether the frequency that this UE supports, this UE have community switching capability and this UE are stored in the UE list.
Step 205: obtain interim UE set from the UE that filters out a UE set that APR surpasses default ARP thresholding and the interface-free resources size that takies surpasses default interface-free resources size thresholding;
Particularly, from the UE list that Serving cell comprises, obtaining a UE, gather the ARP of the UE comprised and shared interface-free resources size, from a UE set, selecting ARP to surpass the UE of default ARP thresholding, and, from a UE set, selecting to take the UE that the interface-free resources size surpasses default interface-free resources size thresholding, obtain interim UE set from a UE set, removing the UE selected.
Wherein, in the present embodiment, the ARP of the UE in interim UE set does not surpass default ARP thresholding, and the interface-free resources size taken does not all surpass default interface-free resources size thresholding, so can avoid the higher UE of the grade of service is carried out to the community switching, ensure the estate performance of Serving cell.
Wherein, in embodiments of the present invention, can from a UE gathers, filter out APR and obtain interim UE set over default ARP thresholding, or, can obtain interim UE set from a UE set, filtering out the big or small UE over default interface-free resources size thresholding of the interface-free resources taken.
Step 206: obtain UE that interim UE set comprises and gather the UE that the comprises down channel quality size to Target cell to the down channel quality size of Serving cell and interim UE;
Particularly, send measurement request message to the UE in interim UE set, this measurement request message is carried the cell ID of Serving cell and the cell ID of Target cell, make this UE measure the down channel quality size of Serving cell according to the cell ID of the cell ID of Serving cell and Target cell and to the down channel quality size of Target cell, receive the size of the down channel quality to Serving cell that this UE sends and to the down channel quality size of Target cell.
Wherein, after UE receives measurement request message, the cell ID of the Serving cell carried according to this measurement request message, measure self down channel quality size to Serving cell, the cell ID of the Target cell carried according to this measurement request message is measured self down channel quality size to Target cell.
Wherein, UE can measure self to the RSRP(Reference Signal Receiving Power between Serving cell, Reference Signal Received Power), using the down channel quality size of RSRP as self to Serving cell of measuring, and can measure self to the RSRP between Target cell, using the down channel quality size of RSRP as self to Target cell of measuring.
Step 207: calculate UE that interim UE set comprises to the down channel quality size of Serving cell and ratio between the down channel quality size of Target cell, surpass default down channel quality size thresholding and ratio from the down channel quality size that is removed to Serving cell interim UE set and surpass the UE that presets ratio threshold and obtain the 2nd UE and gather;
Particularly, calculate UE that interim UE set comprises and gather the UE that comprises to the ratio between the down channel quality size of Target cell to the down channel quality size of Serving cell and UE temporarily, from interim UE gathers, remove the UE that ratio surpasses default ratio threshold, then obtain the 2nd UE set from the big or small UE that surpasses default down channel quality size thresholding of the down channel quality that is removed to Serving cell interim UE set.
Wherein, in embodiments of the present invention, the UE that can surpass from the down channel quality size that is removed to Serving cell interim UE set default down channel quality size thresholding obtains the 2nd UE set, perhaps, can over the UE that presets ratio threshold, obtain the 2nd UE set from interim UE set, removing ratio.
Wherein, in embodiments of the present invention, between step 205 and step 206 and 207, there is no the sequencing of strict implement, step 206 and 207 also can be carried out prior to step 205.
Step 208: poor from selecting one or more switching UE, the normalized load sum of the switching UE of selection to be less than 1/2nd Serving cell and the normalized load between Target cell the 2nd UE set;
Particularly, from the 2nd UE set, selecting the operation of one or more switching UE, can comprise the step of following (1)-(3), be respectively:
(1): calculate the normalized load sum that the 2nd UE gathers the UE comprised;
Particularly, calculate up normalized load sum and the descending normalized load sum that the 2nd UE gathers the UE comprised.
(2): it is poor whether the normalized load sum that judgement is calculated is less than 1/2nd Serving cell and the normalized load between Target cell, if so, returns, and if not, carries out (3);
Particularly, it is poor whether the descending normalized load sum that whether the up normalized load sum that judgement is calculated is less than 1/2nd Serving cell and the up normalized load between Target cell is poor and judgement is calculated is less than 1/2nd Serving cell and the descending normalized load between Target cell, if it is poor that the descending normalized load sum that the up normalized load sum of calculating is less than 1/2nd Serving cell and the up normalized load between Target cell is poor and calculate is less than 1/2nd Serving cell and the descending normalized load between Target cell, it is poor that the normalized load sum of judging calculating is less than 1/2nd Serving cell and the normalized load between Target cell, and return, otherwise, carry out (3).
(3): from the UE that the 2nd UE set comprises, removing the UE that takies the interface-free resources minimum, calculate the normalized load sum that the 2nd UE set comprises remaining UE, return to execution (2).
Step 209: one or more switching UE that will obtain are switched to Target cell from Serving cell.
In embodiments of the present invention, obtain Target cell, Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of normalized load between Serving cell and Target cell preset load threshold, obtain one or more switching UE, it is poor that the normalized load sum of the switching UE obtained is less than 1/2nd Serving cell and the normalized load between Target cell, and the one or more switching UE that obtain are switched to Target cell from Serving cell.Wherein, because the normalized load between Serving cell and Target cell is poor, surpass default load threshold, and the normalized load sum of the switching UE obtained to be less than 1/2nd Serving cell and the normalized load between Target cell poor, so one or more switching UE that will obtain are switched in Target cell, can not cause Target cell initiation load switching, avoid producing the phenomenon of pingpang handoff.
Referring to Fig. 4, the embodiment of the present invention provides a kind of equipment of load balance, comprising:
The first acquisition module 301, be used to obtaining Target cell, this Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of the normalized load between Serving cell and Target cell preset load threshold;
The second acquisition module 302, be used to obtaining one or more switching UE, it is poor that the normalized load sum of the switching UE obtained is less than 1/2nd Serving cell and the normalized load between Target cell;
Wherein, the first acquisition module 301 comprises:
Trigger element, if surpass default load balance gate limit for the normalized load of Serving cell, trigger the load balance operation;
The first acquiring unit, be used to obtaining the alien frequencies Neighboring Cell List that meets the switching capability requirement, and obtain the normalized load size of each alien frequencies adjacent area in the alien frequencies Neighboring Cell List;
The first computing unit, poor for the normalized load that calculates described Serving cell and each alien frequencies adjacent area of described alien frequencies Neighboring Cell List;
The first selected cell, be used to choosing a poor alien frequencies adjacent area of default load threshold that surpasses of normalized load as Target cell.
Wherein, the normalized load size of alien frequencies adjacent area comprises up normalized load size and the descending normalized load size of alien frequencies adjacent area;
The first computing unit, specifically poor for the up normalized load of calculation services community and each alien frequencies adjacent area of alien frequencies Neighboring Cell List and descending normalized load is poor.
Wherein, choosing unit comprises:
Obtain subelement, be used to obtain and Serving cell between up normalized load poor surpass default ascending load threshold value and and Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load;
Choose subelement, if get a plurality of alien frequencies adjacent area for obtaining subelement, from a plurality of alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of selecting is defined as to Target cell;
Determine subelement, if get an alien frequencies adjacent area for obtaining subelement, an alien frequencies adjacent area that will obtain is defined as Target cell.
Wherein, the second acquisition module 302 comprises:
Second acquisition unit, be used to obtaining a UE set, a UE set comprises supports the frequency that Target cell is shared and the UE with community switching capability, and the UE that UE set comprises is the UE of described Serving cell service;
Filter element, the interface-free resources, the UE that for the ARP according to UE, UE, take filter and obtain the 2nd UE set a UE set to the down channel quality size of described Target cell to down channel quality size and the UE of described Serving cell;
The second selected cell, for from the 2nd UE set, selecting one or more switching UE, it is poor that the normalized load sum of the switching UE of selection is less than 1/2nd Serving cell and the normalized load between Target cell.
Wherein, filter element comprises:
Remove subelement, for the interface-free resources size that surpasses default ARP thresholding from a UE set removal ARP and take, surpass the UE that presets interface-free resources size thresholding and obtain interim UE set;
The first computation subunit, for calculating UE that interim UE set comprises to the down channel quality size of Serving cell and to the ratio between the down channel quality size of Target cell, from the down channel quality size that is removed to Serving cell interim UE set, surpass UE that default down channel quality size thresholding and ratio surpasses default ratio threshold and obtain the 2nd UE and gather.
Further, filter element also comprises:
Obtain subelement, to the down channel quality size of Serving cell and interim UE, gather the UE that the comprises down channel quality size to Target cell be used to obtaining UE that interim UE set comprises.
Wherein, selected cell comprises:
The second computation subunit, the normalized load sum of gathering the UE comprised for calculating the 2nd UE, if it is poor that the normalized load sum of calculating is less than 1/2nd Serving cell and the normalized load between Target cell, the UE in the 2nd UE set is defined as switching UE.
The second computation subunit, specifically be used to calculating the 2nd UE, gather the up normalized load sum of the UE comprised and the descending normalized load sum of the UE that the 2nd UE set comprises, if the up normalized load sum of the UE that the 2nd UE set comprises is less than 1/2nd Serving cell and the up normalized load between Target cell is poor and the descending normalized load sum of the UE that the 2nd UE set comprises to be less than 1/2nd Serving cell and the descending normalized load between Target cell poor, the UE in the 2nd UE set is defined as switching UE.
Further, selected cell also comprises:
Second removes subelement, if it is poor for the normalized load sum of calculating, to be more than or equal to 1/2nd Serving cell and the normalized load between Target cell, from the 2nd UE set, removing the UE that takies the interface-free resources minimum.
Described equipment also comprises:
Start module, if for not getting Target cell, the starting protection timer starts timing, when the time of protection timer timing reaches the Preset Time threshold value, re-executes the operation that gets Target cell.
In embodiments of the present invention, obtain Target cell, Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of normalized load between Serving cell and Target cell preset load threshold, obtain switching UE, it is poor that the normalized load sum of switching UE is less than 1/2nd Serving cell and the normalized load between Target cell, and the switching UE obtained is switched to Target cell from Serving cell.Wherein, because the normalized load between Serving cell and Target cell is poor, surpass default load threshold, and the load sum of switching UE to be less than 1/2nd Serving cell and the normalized load between Target cell poor, so will switch UE is switched in Target cell, can not cause Target cell initiation load switching, avoid producing the phenomenon of pingpang handoff.
Referring to Fig. 5, the embodiment of the present invention provides a kind of equipment of load balance, comprising:
Obtain Target cell, described Target cell is the alien frequencies adjacent area of Serving cell, and poor surpassing of the normalized load between described Serving cell and described Target cell preset load threshold;
Obtain one or more switching user equipment (UE)s, it is poor that the normalized load sum of the described switching UE obtained is less than 1/2nd described Serving cell and the normalized load between described Target cell, and the described switching UE obtained is switched to described Target cell from described Serving cell.
The described Target cell that obtains comprises:
If the normalized load of Serving cell surpasses default load balance gate limit, trigger the load balance operation;
Obtain the alien frequencies Neighboring Cell List that meets the switching capability requirement, and obtain the normalized load size of each alien frequencies adjacent area in described alien frequencies Neighboring Cell List;
The normalized load that calculates each alien frequencies adjacent area in described Serving cell and described alien frequencies Neighboring Cell List is poor;
Choose a poor alien frequencies adjacent area of default load threshold that surpasses of normalized load as Target cell.
The normalized load size of described alien frequencies adjacent area comprises up normalized load size and the descending normalized load size of described alien frequencies adjacent area;
In the described Serving cell of described calculating and described alien frequencies Neighboring Cell List, the normalized load of each alien frequencies adjacent area is poor, comprising:
Calculate that the up normalized load of each alien frequencies adjacent area in described Serving cell and described alien frequencies Neighboring Cell List is poor and descending normalized load is poor.
The described poor alien frequencies adjacent area that surpasses default load threshold of normalized load of choosing, as Target cell, comprising:
Obtain and described Serving cell between up normalized load poor surpass default ascending load threshold value and and described Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load;
If get a plurality of alien frequencies adjacent area, from the described a plurality of alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of described selection is defined as to Target cell;
If get an alien frequencies adjacent area, the described alien frequencies adjacent area obtained is defined as to Target cell.
State and obtain one or more switching user equipment (UE)s, comprising:
Obtain a UE set, a described UE set comprises supports the frequency that described Target cell is shared and the UE with community switching capability, and the UE that a described UE set comprises is the UE of described Serving cell service;
The interface-free resources taken according to distribution and rollback priority ARP, the UE of UE, the UE down channel quality size to the down channel quality size of described Serving cell and UE to described Target cell is filtered and is obtained the 2nd UE and gather a described UE set;
From described the 2nd UE set, selecting one or more switching UE, it is poor that the normalized load sum of the switching UE of described selection is less than 1/2nd described Serving cell and the normalized load between described Target cell.
The interface-free resources that described distribution according to UE and rollback priority ARP, UE take, UE filter and obtain the 2nd UE set a described UE set to the down channel quality size of described Target cell to down channel quality size and the UE of described Serving cell, comprising:
From the UE that removes a described UE set that ARP surpasses default ARP thresholding and the interface-free resources size that takies surpasses default interface-free resources size thresholding, obtain interim UE set;
Calculate UE that described interim UE set comprises to the down channel quality size of described Serving cell and ratio between the down channel quality size of described Target cell, from the down channel quality size that is removed to described Serving cell described interim UE set, surpass UE that default down channel quality size thresholding and ratio surpasses default ratio threshold and obtain the 2nd UE and gather.
Described from described the 2nd UE set, selecting one or more switching UE, comprising:
Calculate the normalized load sum that described the 2nd UE gathers the UE comprised, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
The normalized load sum of the UE that described the 2nd UE set of described calculating comprises, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE, comprises:
Calculate described the 2nd UE and gather the up normalized load sum of the UE comprised and the descending normalized load sum of the UE that described the 2nd UE set comprises;
To be less than 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE that described the 2nd UE set comprises is less than the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and described the 2nd UE set of the up normalized load between described Target cell comprise, and the UE in described the 2nd UE being gathered is defined as switching UE.
Described from described the 2nd UE set, selecting one or more switching UE, also comprise:
If it is poor that described normalized load sum is more than or equal to 1/2nd described Serving cell and the normalized load between described Target cell, from described the 2nd UE set, removing the UE that takies the interface-free resources minimum.
If it is poor that described normalized load sum is more than or equal to 1/2nd described Serving cell and the load between described Target cell,, from described the 2nd UE set, removing the UE that takies the interface-free resources minimum, comprising:
To be more than or equal to 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE that described the 2nd UE set comprises is more than or equal to the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and/or described the 2nd UE set of the up normalized load between described Target cell comprise, and removal takies the UE of interface-free resources minimum from described the 2nd UE gathers.
If do not get Target cell, the starting protection timer starts timing, when the time of described protection timer timing reaches the Preset Time threshold value, re-executes the described operation that gets Target cell.
In embodiments of the present invention, obtain Target cell, Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of normalized load between Serving cell and Target cell preset load threshold, obtain switching UE, it is poor that the normalized load sum of switching UE is less than 1/2nd Serving cell and the normalized load between Target cell, and the switching UE obtained is switched to Target cell from Serving cell.Wherein, because the normalized load between Serving cell and Target cell is poor, surpass default load threshold, and the normalized load sum of switching UE to be less than 1/2nd Serving cell and the normalized load between Target cell poor, so will switch UE is switched in Target cell, can not cause Target cell initiation load switching, avoid producing the phenomenon of pingpang handoff.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (23)
1. the method for a load balance, is characterized in that, described method comprises:
Obtain Target cell, described Target cell is the alien frequencies adjacent area of Serving cell, and poor surpassing of the normalized load between described Serving cell and described Target cell preset load threshold;
Obtain one or more switching user equipment (UE)s, it is poor that the normalized load sum of the described switching UE obtained is less than 1/2nd described Serving cell and the normalized load between described Target cell, and the described switching UE obtained is switched to described Target cell from described Serving cell.
2. the method for claim 1, is characterized in that, the described Target cell that obtains comprises:
If the normalized load of Serving cell surpasses default load balance gate limit, trigger the load balance operation;
Obtain the alien frequencies Neighboring Cell List that meets the switching capability requirement, and obtain the normalized load size of each alien frequencies adjacent area in described alien frequencies Neighboring Cell List;
The normalized load that calculates each alien frequencies adjacent area in described Serving cell and described alien frequencies Neighboring Cell List is poor;
Choose a poor alien frequencies adjacent area of default load threshold that surpasses of normalized load as Target cell.
3. method as claimed in claim 2, is characterized in that, the normalized load size of described alien frequencies adjacent area comprises up normalized load size and the descending normalized load size of described alien frequencies adjacent area;
In the described Serving cell of described calculating and described alien frequencies Neighboring Cell List, the normalized load of each alien frequencies adjacent area is poor, comprising:
Calculate that the up normalized load of each alien frequencies adjacent area in described Serving cell and described alien frequencies Neighboring Cell List is poor and descending normalized load is poor.
4. method as claimed in claim 3, is characterized in that, the described poor alien frequencies adjacent area that surpasses default load threshold of normalized load of choosing, as Target cell, comprising:
Obtain and described Serving cell between up normalized load poor surpass default ascending load threshold value and and described Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load;
If get a plurality of alien frequencies adjacent area, from the described a plurality of alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of described selection is defined as to Target cell;
If get an alien frequencies adjacent area, the described alien frequencies adjacent area obtained is defined as to Target cell.
5. the method for claim 1, is characterized in that, describedly obtains one or more switching user equipment (UE)s, comprising:
Obtain a UE set, a described UE set comprises supports the frequency that described Target cell is shared and the UE with community switching capability, and the UE that a described UE set comprises is the UE of described Serving cell service;
The interface-free resources taken according to distribution and rollback priority ARP, the UE of UE, the UE down channel quality size to the down channel quality size of described Serving cell and UE to described Target cell is filtered and is obtained the 2nd UE and gather a described UE set;
From described the 2nd UE set, selecting one or more switching UE, it is poor that the normalized load sum of the switching UE of described selection is less than 1/2nd described Serving cell and the normalized load between described Target cell.
6. method as claimed in claim 5, it is characterized in that, the interface-free resources that described distribution according to UE and rollback priority ARP, UE take, UE filter and obtain the 2nd UE set a described UE set to the down channel quality size of described Target cell to down channel quality size and the UE of described Serving cell, comprising:
From the UE that removes a described UE set that ARP surpasses default ARP thresholding and the interface-free resources size that takies surpasses default interface-free resources size thresholding, obtain interim UE set;
Calculate UE that described interim UE set comprises to the down channel quality size of described Serving cell and ratio between the down channel quality size of described Target cell, from the down channel quality size that is removed to described Serving cell described interim UE set, surpass UE that default down channel quality size thresholding and ratio surpasses default ratio threshold and obtain the 2nd UE and gather.
7. method as claimed in claim 5, is characterized in that, described from described the 2nd UE set, selecting one or more switching UE, comprising:
Calculate the normalized load sum that described the 2nd UE gathers the UE comprised, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
8. method as claimed in claim 7, it is characterized in that, the normalized load sum of the UE that described the 2nd UE set of described calculating comprises, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE, comprises:
Calculate described the 2nd UE and gather the up normalized load sum of the UE comprised and the descending normalized load sum of the UE that described the 2nd UE set comprises;
To be less than 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE that described the 2nd UE set comprises is less than the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and described the 2nd UE set of the up normalized load between described Target cell comprise, and the UE in described the 2nd UE being gathered is defined as switching UE.
9. method as claimed in claim 7 or 8, is characterized in that, described from described the 2nd UE set, selecting one or more switching UE, also comprises:
If it is poor that described normalized load sum is more than or equal to 1/2nd described Serving cell and the normalized load between described Target cell, from described the 2nd UE set, removing the UE that takies the interface-free resources minimum.
10. method as claimed in claim 9, it is characterized in that, if it is poor that described normalized load sum is more than or equal to 1/2nd described Serving cell and the load between described Target cell,, from described the 2nd UE set, removing the UE that takies the interface-free resources minimum, comprising:
To be more than or equal to 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE that described the 2nd UE set comprises is more than or equal to the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and/or described the 2nd UE set of the up normalized load between described Target cell comprise, and removal takies the UE of interface-free resources minimum from described the 2nd UE gathers.
11. as the described method of claim 1 to 10 any one claim, it is characterized in that,
If do not get Target cell, the starting protection timer starts timing, when the time of described protection timer timing reaches the Preset Time threshold value, re-executes the described operation that gets Target cell.
12. the equipment of a load balance, is characterized in that, described equipment comprises:
The first acquisition module, be used to obtaining Target cell, described Target cell is the alien frequencies adjacent area of Serving cell, poor surpassing of the normalized load between described Serving cell and described Target cell preset load threshold;
The second acquisition module, be used to obtaining one or more switching user equipment (UE)s, it is poor that the normalized load sum of the described switching UE obtained is less than 1/2nd described Serving cell and the normalized load between described Target cell;
Handover module, be switched to from described Serving cell the described Target cell that described the first acquisition module obtains for the switching UE that described the second acquisition module is obtained.
13. equipment as claimed in claim 12, is characterized in that, described the first acquisition module comprises:
Trigger element, if surpass default load balance gate limit for the normalized load of Serving cell, trigger the load balance operation;
The first acquiring unit, be used to obtaining the alien frequencies Neighboring Cell List that meets the switching capability requirement, and obtain the normalized load size of each alien frequencies adjacent area in described alien frequencies Neighboring Cell List;
The first computing unit, poor for the normalized load that calculates described Serving cell and each alien frequencies adjacent area of described alien frequencies Neighboring Cell List;
The first selected cell, be used to choosing a poor alien frequencies adjacent area of default load threshold that surpasses of normalized load as Target cell.
14. equipment as claimed in claim 13, is characterized in that, the normalized load size of described alien frequencies adjacent area comprises up normalized load size and the descending normalized load size of described alien frequencies adjacent area;
Described the first computing unit, specifically poor for the up normalized load that calculates described Serving cell and each alien frequencies adjacent area of described alien frequencies Neighboring Cell List and descending normalized load is poor.
15. equipment as claimed in claim 13, is characterized in that, the described unit of choosing comprises:
Obtain subelement, be used to obtain and described Serving cell between up normalized load poor surpass default ascending load threshold value and and described Serving cell between the poor alien frequencies adjacent area that surpasses default down load threshold value of descending normalized load;
Choose subelement, if get a plurality of alien frequencies adjacent area for the described subelement that obtains, from the described a plurality of alien frequencies adjacent area obtained, selecting an alien frequencies adjacent area, an alien frequencies adjacent area of described selection is defined as to Target cell;
Determine subelement, if get an alien frequencies adjacent area for the described subelement that obtains, the described alien frequencies adjacent area obtained is defined as to Target cell.
16. equipment as claimed in claim 12, is characterized in that, described the second acquisition module comprises:
Second acquisition unit, be used to obtaining a UE set, a described UE set comprises supports the frequency that described Target cell is shared and the UE with community switching capability, and the UE that a described UE set comprises is the UE of described Serving cell service;
Filter element, the interface-free resources taken for the distribution according to UE and rollback priority ARP, UE, the UE down channel quality size to the down channel quality size of described Serving cell and UE to described Target cell is filtered and is obtained the 2nd UE and gather a described UE set;
The second selected cell, for from described the 2nd UE set, selecting one or more switching UE, it is poor that the normalized load sum of the switching UE of described selection is less than 1/2nd described Serving cell and the normalized load between described Target cell.
17. equipment as claimed in claim 16, is characterized in that, described filter element comprises:
Remove subelement, for the interface-free resources size that surpasses default ARP thresholding from a described UE set removal ARP and take, surpass the UE that presets interface-free resources size thresholding and obtain interim UE set;
The first computation subunit, for calculating UE that described interim UE set comprises to the down channel quality size of described Serving cell and to the ratio between the down channel quality size of described Target cell, from the down channel quality size that is removed to described Serving cell described interim UE set, surpass the UE that default down channel quality size thresholding and ratio surpasses default ratio threshold and obtain the 2nd UE set.
18. equipment as claimed in claim 16, is characterized in that, described selected cell comprises:
The second computation subunit, the normalized load sum of gathering the UE comprised for calculating described the 2nd UE, if it is poor that described normalized load sum is less than 1/2nd described Serving cell and the normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
19. equipment as claimed in claim 18, is characterized in that,
Described the second computation subunit, specifically be used to calculating described the 2nd UE, gather the up normalized load sum of the UE comprised and the descending normalized load sum of the UE that described the 2nd UE set comprises, if it is poor that the descending normalized load sum that the up normalized load sum of the UE that described the 2nd UE set comprises is less than 1/2nd described Serving cell and poor and described the 2nd UE of the up normalized load between described Target cell gathers the UE comprised is less than 1/2nd described Serving cell and the descending normalized load between described Target cell, the UE in described the 2nd UE set is defined as switching UE.
20. equipment as described as claim 18 or 19, is characterized in that, described selected cell also comprises:
Second removes subelement, if it is poor for described normalized load sum, to be more than or equal to 1/2nd described Serving cell and the normalized load between described Target cell, from removal described the 2nd UE set, takies the UE of interface-free resources minimum.
21. equipment as claimed in claim 20, is characterized in that,
Described second removes subelement, to be more than or equal to 1/2nd described Serving cell and the descending normalized load between described Target cell poor if the up normalized load sum of the UE comprised for described the 2nd UE set is more than or equal to the descending normalized load sum of the UE that 1/2nd described Serving cell and poor and/or described the 2nd UE set of the up normalized load between described Target cell comprise, and removal takies the UE of interface-free resources minimum from described the 2nd UE gathers.
22. as the described equipment of claim 12 to 21 any one claim, it is characterized in that, described equipment also comprises:
Start module, if for not getting Target cell, the starting protection timer starts timing, when the time of described protection timer timing reaches the Preset Time threshold value, re-executes the described operation that gets Target cell.
23. the equipment of a load balance, is characterized in that, described equipment comprises memory and processor, for carrying out the method as the described a kind of load balance of claim 1 to 11 any one claim.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/083759 WO2014067066A1 (en) | 2012-10-30 | 2012-10-30 | Load balancing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103416089A true CN103416089A (en) | 2013-11-27 |
| CN103416089B CN103416089B (en) | 2017-04-12 |
Family
ID=49608196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280002733.8A Expired - Fee Related CN103416089B (en) | 2012-10-30 | 2012-10-30 | Load balancing method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103416089B (en) |
| WO (1) | WO2014067066A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686857A (en) * | 2013-12-30 | 2014-03-26 | 大唐移动通信设备有限公司 | Load balancing method and base station |
| WO2016064178A1 (en) * | 2014-10-21 | 2016-04-28 | Samsung Electronics Co., Ltd. | Apparatus and method for balancing traffic load using inter-site carrier aggregation |
| CN106454951A (en) * | 2016-11-04 | 2017-02-22 | 中国联合网络通信集团有限公司 | Method and device for balancing network load |
| CN107295468A (en) * | 2016-04-01 | 2017-10-24 | 中兴通讯股份有限公司 | The cell switching method and device of a kind of long evolving system |
| CN109286935A (en) * | 2017-07-19 | 2019-01-29 | 中兴通讯股份有限公司 | Resource coordination method, relevant device and computer readable storage medium |
| CN111726181A (en) * | 2019-03-18 | 2020-09-29 | 中兴通讯股份有限公司 | Method and device for acquiring channel state information |
| CN113891406A (en) * | 2020-07-03 | 2022-01-04 | ***通信集团设计院有限公司 | Cell switching method and device in multi-frequency network |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599471A (en) * | 2003-09-17 | 2005-03-23 | 华为技术有限公司 | Realization method and device for controlling load balance in communication system |
| EP2031922A2 (en) * | 2007-08-29 | 2009-03-04 | Samsung Electronics Co., Ltd. | Method and apparatus for load balancing in broadband communication system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100493254C (en) * | 2004-06-18 | 2009-05-27 | 华为技术有限公司 | Heterofrequency blind switch-over method in WCDMA system |
| CN1996909A (en) * | 2005-12-26 | 2007-07-11 | 中兴通讯股份有限公司 | A load balance method based on the static position information in the wireless LAN |
| CN100441018C (en) * | 2006-12-01 | 2008-12-03 | 华为技术有限公司 | A method and device for measuring the load relation between the cells |
| CN101835202A (en) * | 2010-04-01 | 2010-09-15 | 武汉鸿象信息技术有限公司 | Cooperative load balancing method based on multihop relay in heterogeneous wireless network |
| CN102438279B (en) * | 2011-12-31 | 2014-05-21 | 华为技术有限公司 | Load control method and equipment |
-
2012
- 2012-10-30 CN CN201280002733.8A patent/CN103416089B/en not_active Expired - Fee Related
- 2012-10-30 WO PCT/CN2012/083759 patent/WO2014067066A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1599471A (en) * | 2003-09-17 | 2005-03-23 | 华为技术有限公司 | Realization method and device for controlling load balance in communication system |
| EP2031922A2 (en) * | 2007-08-29 | 2009-03-04 | Samsung Electronics Co., Ltd. | Method and apparatus for load balancing in broadband communication system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686857A (en) * | 2013-12-30 | 2014-03-26 | 大唐移动通信设备有限公司 | Load balancing method and base station |
| WO2016064178A1 (en) * | 2014-10-21 | 2016-04-28 | Samsung Electronics Co., Ltd. | Apparatus and method for balancing traffic load using inter-site carrier aggregation |
| US9848356B2 (en) | 2014-10-21 | 2017-12-19 | Samsung Electronics Co., Ltd. | Apparatus and method for balancing traffic load using inter-site carrier aggregation |
| CN107295468A (en) * | 2016-04-01 | 2017-10-24 | 中兴通讯股份有限公司 | The cell switching method and device of a kind of long evolving system |
| CN107295468B (en) * | 2016-04-01 | 2020-08-07 | 南京中兴新软件有限责任公司 | Cell switching method and device of long-term evolution system |
| CN106454951A (en) * | 2016-11-04 | 2017-02-22 | 中国联合网络通信集团有限公司 | Method and device for balancing network load |
| CN109286935A (en) * | 2017-07-19 | 2019-01-29 | 中兴通讯股份有限公司 | Resource coordination method, relevant device and computer readable storage medium |
| CN109286935B (en) * | 2017-07-19 | 2023-05-30 | 中兴通讯股份有限公司 | Resource coordination method, related equipment and computer readable storage medium |
| CN111726181A (en) * | 2019-03-18 | 2020-09-29 | 中兴通讯股份有限公司 | Method and device for acquiring channel state information |
| CN111726181B (en) * | 2019-03-18 | 2022-10-21 | 中兴通讯股份有限公司 | Method and device for acquiring channel state information |
| CN113891406A (en) * | 2020-07-03 | 2022-01-04 | ***通信集团设计院有限公司 | Cell switching method and device in multi-frequency network |
| CN113891406B (en) * | 2020-07-03 | 2024-04-09 | ***通信集团设计院有限公司 | Cell switching method and device in multi-frequency network |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103416089B (en) | 2017-04-12 |
| WO2014067066A1 (en) | 2014-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103416089A (en) | Load balancing method and apparatus | |
| US8886193B2 (en) | Storing of neighbour cell information for rapid recovery in case of handover failure | |
| US11202237B2 (en) | Method for preventing an inter-rat change from being triggered and communications apparatus utilizing the same | |
| EP3413609A1 (en) | Frequency point selection method and device | |
| US20160205495A1 (en) | Capability matching method, apparatus, and system | |
| CN104619023B (en) | Intelligent paging method and intelligent paging equipment | |
| CN102740386B (en) | A kind of cell switching method and base station | |
| WO2016074175A1 (en) | Method, apparatus and system for identifying terminal users | |
| US10512083B2 (en) | Control method and management apparatus | |
| CN107592644B (en) | Circuit domain fallback method, base station and terminal | |
| WO2016011752A1 (en) | Load balancing method and device | |
| CN101959263A (en) | Method and device for transmitting radio link failure information | |
| CN106376015A (en) | Selection method and device for re-establishing cell in network sharing | |
| CN107801192B (en) | Carrier aggregation secondary cell configuration method, base station and network system | |
| CN110149668A (en) | Residence reselecting, device and terminal | |
| CN108271210A (en) | Communication means and communication equipment | |
| CN105430661B (en) | A kind of method and device of frequency allocation | |
| CN102104904A (en) | Judging method for coverage loophole, user equipment and system | |
| CN104823514B (en) | Establish backhaul link method, apparatus and system | |
| US20130142135A1 (en) | Resource control method, device and base station | |
| US10582392B2 (en) | Reallocating a capacity boost cell of a cellular network | |
| CN108260172B (en) | Method and device for adjusting terminal access designated frequency point cell | |
| CN112492694B (en) | Slice management method, management unit, terminal equipment and medium of double-card terminal | |
| CN104349341A (en) | District reselection measuring method and apparatus, and mobile terminal | |
| CN110831069B (en) | Load balancing method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |