CN102685776A - Method for reducing cell load through CoMP technology and cell - Google Patents

Method for reducing cell load through CoMP technology and cell Download PDF

Info

Publication number
CN102685776A
CN102685776A CN201110054652XA CN201110054652A CN102685776A CN 102685776 A CN102685776 A CN 102685776A CN 201110054652X A CN201110054652X A CN 201110054652XA CN 201110054652 A CN201110054652 A CN 201110054652A CN 102685776 A CN102685776 A CN 102685776A
Authority
CN
China
Prior art keywords
cell
comp
load
sub
district
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
Application number
CN201110054652XA
Other languages
Chinese (zh)
Other versions
CN102685776B (en
Inventor
李子帅
樊荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201110054652.XA priority Critical patent/CN102685776B/en
Priority to PCT/CN2011/082245 priority patent/WO2012119461A2/en
Publication of CN102685776A publication Critical patent/CN102685776A/en
Application granted granted Critical
Publication of CN102685776B publication Critical patent/CN102685776B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/08Load balancing or load distribution
    • H04W28/086Load balancing or load distribution among access entities
    • H04W28/0861Load balancing or load distribution among access entities between base stations
    • H04W28/0864Load balancing or load distribution among access entities between base stations of different hierarchy levels, e.g. Master Evolved Node B [MeNB] or Secondary Evolved node B [SeNB]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • H04B7/024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems

Abstract

The invention discloses a method for reducing the cell load through a CoMP technology, which comprises the steps of: selecting user equipment UE when the cell load reaches to a predetermined value; changing a coordinated cell of the UE into a master cell when the cell is the master cell of a CoMP cell set of the UE; exiting the CoMP cell set of the UE when the cell is a coordinated cell of the CoMP cell set of the UE; and deleting the UE. According to the method for reducing the cell load through the CoMP technology and the cell provided by the invention, the UE is avoided the changing or abnormal releasing of the UE is avoided, simultaneously, the cell load is reduced effectively, the call drop rate of the UE and probability of switching can be reduced, and the key performance index of the system is improved.

Description

Method and sub-district through CoMP technology reduction cell load
Technical field
The present invention relates to the communications field, specially refer to a kind of method and sub-district that reduces cell load through the CoMP technology.
Background technology
In the load management scene of existing GSM, use switching or call drop to reduce the load of sub-district usually.For Long Term Evolution (Long Term Evolution; LTE) system; When the load of sub-district reached the thresholding of setting, the balanced method with load control of applied load reduced cell load usually, i.e. a subscriber equipment (User Equipment of selected this sub-district; UE), make it to switch to Target cell; Professional call drop perhaps takes place.Guarantee the quality of service that the sub-district provides through this dual mode, but these two kinds of switchings all can influence the QoS that is switched UE or professional call drop UE takes place, and reduce user experience.
Summary of the invention
Main purpose of the present invention is that a kind of method and sub-district that reduces cell load through the CoMP technology is provided, and under the situation that does not influence the UE QoS, reduces cell load.
The present invention proposes a kind of method through CoMP technology reduction cell load, comprising:
When cell load reaches a preset value, select a user equipment (UE);
When said sub-district is the main plot of CoMP cell set of said UE, the cooperation cell of this UE is changed to the main plot;
When said sub-district is the cooperation cell of CoMP cell set of said UE, withdraw from the CoMP cell set of this UE;
Delete said UE.
Preferably, after carrying out said deletion UE, also comprise:
Whether the main plot of said UE increases cooperation cell according to the QoS decision of this UE.
Preferably, carrying out saidly when the sub-district is the main plot of CoMP cell set of UE, the cooperation cell of this UE changed to after the main plot, also comprising:
Main plot is after changing notified other cooperation cell of said UE.
Preferably, said when cell load reaches a preset value, select a user equipment (UE) to comprise:
Select a UE according to the priority of each UE in the sub-district, the throughput and the Traffic Channel quality of existing business.
Preferably, said when the sub-district is the main plot of CoMP cell set of UE, the cooperation cell of this UE is changed to the main plot comprise:
Obtain the load and the QoS information of each cooperation cell;
According to the load and the QoS information of each cooperation cell, select cooperation cell conduct main plot after changing, and withdraw from the CoMP cell set of this UE.
The present invention also proposes a kind of sub-district that reduces cell load through the CoMP technology, comprising:
Select the UE module, be used for when cell load reaches a preset value, selecting a user equipment (UE);
The change module is used for when said sub-district is the main plot of CoMP cell set of said UE, and the cooperation cell of this UE is changed to the main plot;
Withdraw from module, be used for when said sub-district is the cooperation cell of CoMP cell set of said UE, withdrawing from the CoMP cell set of this UE;
Removing module is used to delete said UE.
Preferably, said sub-district through CoMP technology reduction cell load also comprises:
Newly-increased module is used for whether increasing cooperation cell according to the QoS decision of said UE.
Preferably, said sub-district through CoMP technology reduction cell load also comprises:
Notification module is used for main plot is after changing notified other cooperation cell of said UE.
Preferably, said selection UE module also is used for:
Select a UE according to the priority of each UE in the sub-district, the throughput and the Traffic Channel quality of existing business.
Preferably, said change module comprises:
Acquiring unit is used to obtain the load and the QoS information of each cooperation cell;
Selected cell is used for load and QoS information according to each cooperation cell, selects cooperation cell conduct main plot after changing, and withdraws from the CoMP cell set of this UE.
A kind of method and sub-district that reduces cell load through the CoMP technology provided by the invention; Avoid UE switch or call drop in; Effectively reduce the load of sub-district; Reduce the cutting off rate of UE and the probability that switches, improved system Key Performance Indicator (Key Performance Index, KPI).
Description of drawings
Fig. 1 reduces the schematic flow sheet of method one embodiment of cell load through the CoMP technology for the present invention;
Fig. 2 reduces the schematic flow sheet of the another embodiment of method of cell load through the CoMP technology for the present invention;
Fig. 3 is the schematic flow sheet of the present invention through change process among method one embodiment of CoMP technology reduction cell load;
Fig. 4 reduces the schematic flow sheet of sub-district one embodiment of cell load through the CoMP technology for the present invention;
Fig. 5 reduces the schematic flow sheet of the another embodiment in sub-district of cell load through the CoMP technology for the present invention;
Fig. 6 is the schematic flow sheet of the present invention through change module among sub-district one embodiment of CoMP technology reduction cell load.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, a kind of method one embodiment through CoMP technology reduction cell load of the present invention is proposed, comprising:
Step S10, when cell load reaches a preset value, select a user equipment (UE);
Think that when the load of sub-district surpasses a preset value this cell load transships, then the UE of a UE as load control selected in this sub-district from the UE instance of CoMP cell set, and purpose is to reduce UE number in the sub-district, reduces cell load at short notice rapidly.
Step S11, when said sub-district is the main plot of CoMP cell set of said UE, the cooperation cell of this UE is changed to the main plot;
After UE is selected; Whether the sub-district of judging traffic overload belongs to the main plot in the CoMP cell set of this UE; If then trigger main plot immigration load control flow: the main plot is at first to communicate by letter with each cooperation cell of UE in the sub-district of traffic overload; From each cooperation cell, select a cooperation cell, consult with this cooperation cell then, the main plot is migrated to this cooperation cell.
Step S12, when said sub-district is the cooperation cell of CoMP cell set of said UE, withdraw from the CoMP cell set of this UE;
If the sub-district of traffic overload is the cooperation cell of this UE; Then trigger cooperation cell immigration load control flow: cooperation cell is sent the traffic overload indication to the main plot; It is about to delete this UE the notice main plot; The content of message includes but not limited to following information: this cooperation cell ID, the ID of UE, UE QoS information etc.
Step S13, delete said UE.
When the sub-district of traffic overload is the main plot of CoMP cell set of UE, the cooperation cell of this UE changed to the main plot after, this UE of this sub-district deletion.Perhaps, when the sub-district of traffic overload is the cooperation cell of CoMP cell set of UE, withdraw from the CoMP cell set of this UE after, same local this UE of deletion.
In the present embodiment, the sub-district of traffic overload avoid UE to switch or call drop in, effectively reduce the load of sub-district, reduce the cutting off rate of UE and the probability that switches, improved the Key Performance Indicator of system.
With reference to Fig. 2, a kind of another embodiment of method through CoMP technology reduction cell load of the present invention is proposed, after execution in step S11, also comprise:
Step S14, other cooperation cell of inciting somebody to action main plot notice UE after changing.
The sub-district of traffic overload selects cooperation cell as after changing main plot from cooperation cell, consults with this cooperation cell, the main plot is migrated to this cooperation cell after, send the main plot Notification of Changes to other cooperation cell again.
After execution in step S13, also comprise:
Whether the main plot of step S15, said UE increases cooperation cell according to the QoS decision of this UE.
After main plot generation migration or cooperation cell withdraw from the CoMP cell set; Main plot in the CoMP cell set; According to factors such as the load of each cooperation cell in the current C oMP cell set, UE Traffic Channel quality, UE QoSs, whether decision need expand the CoMP cell set.Increase if need; Then in the adjacent area, search the sub-district except that cooperation cell and original main plot; Require UE to report the down channel quality situation of these sub-districts; And the load, resource operating position and the uplink signal-channel quality situation that require these sub-district feedbacks self, new cooperation cell is selected according to the QoS requirement of above-mentioned information and UE in the main plot.At last, the main plot is sent reallocation message and is given this UE, carries up-to-date CoMP collection cell information in the message, after UE receives, responds reprovision and accomplishes message, and carry out transfer of data with up-to-date CoMP collection sub-district.
In the present embodiment; After the sub-district of traffic overload reduces load through main plot migration or the mode that withdraws from the CoMP cell set; Main plot after changing notifies other cooperation cell above-mentioned change, and whether increases cooperation cell newly according to the QoS decision of UE, for follow-up load down is prepared.
In the above-described embodiments, step S10 can comprise:
Select a UE according to the priority of each UE in the sub-district, the throughput and the Traffic Channel quality of existing business.
When the load of sub-district surpassed a preset value, the UE of a UE as load control selected in this sub-district from the UE instance of CoMP cell set.Selection principle can be: take all factors into consideration the factors such as throughput and Traffic Channel quality of priority, the existing business of each UE, choose User Priority is lower, business throughput is big and Traffic Channel the is second-rate UE UE as load down.
In the present embodiment, the comprehensive condition through each UE in the sub-district is selected the UE of load control, and the method for other control UE that can be used to select to load also is applicable to the present invention.
With reference to Fig. 3, in the above-described embodiments, step S11 can comprise:
Step S111, the load that obtains each cooperation cell and QoS information;
When the sub-district of traffic overload during for the main plot of the CoMP cell set of selected UE, at first communicate by letter with each cooperation cell of UE in the sub-district of traffic overload, obtains the situation such as load, UE Traffic Channel quality of cooperation cell.
Step S112, according to the load and the QoS information of each cooperation cell, select a cooperation cell as after changing main plot, and withdraw from the CoMP cell set of this UE.
Lower, a UE Traffic Channel quality better cell of load is selected in the sub-district of traffic overload from cooperation cell.After this cooperation cell negotiation, the main plot is migrated to this cooperation cell.Also can select according to actual conditions.
With reference to Fig. 4, a kind of sub-district one embodiment through CoMP technology reduction cell load of the present invention is proposed, comprising:
Select UE module 10, be used for when cell load reaches a preset value, selecting a user equipment (UE);
Change module 20 is used for when said sub-district is the main plot of CoMP cell set of said UE, and the cooperation cell of this UE is changed to the main plot;
Withdraw from module 30, be used for when said sub-district is the cooperation cell of CoMP cell set of said UE, withdrawing from the CoMP cell set of this UE;
Removing module 40 is used to delete said UE.
Think that when the load of sub-district surpasses a preset value this cell load transships, then select UE module 10 from the UE instance of CoMP cell set, to select the UE of a UE as load control, purpose is to reduce UE number in the sub-district, reduces cell load at short notice rapidly.
After UE is selected; Whether the sub-district of judging traffic overload belongs to the main plot in the CoMP cell set of this UE; If then trigger main plot immigration load control flow: change module 20 is at first communicated by letter with each cooperation cell of UE; From each cooperation cell, select a cooperation cell, consult with this cooperation cell then, the main plot is migrated to this cooperation cell.
If the sub-district of traffic overload is the cooperation cell of this UE; Then trigger cooperation cell immigration load control flow: withdraw from module 30 and send the traffic overload indication to the main plot; It is about to delete this UE the notice main plot; The content of message includes but not limited to following information: this cooperation cell ID, the ID of UE, UE QoS information etc.
When the sub-district of traffic overload is the main plot of CoMP cell set of UE, the cooperation cell of this UE changed to the main plot after, removing module 40 these UE of deletion.Perhaps, when the sub-district of traffic overload is the cooperation cell of CoMP cell set of UE, withdraw from the CoMP cell set of this UE after, same removing module 40 these UE of deletion.
In the present embodiment, the sub-district of traffic overload avoid UE to switch or call drop in, effectively reduce the load of sub-district, reduce the cutting off rate of UE and the probability that switches, improved the Key Performance Indicator of system.
With reference to Fig. 5, a kind of another embodiment in sub-district through CoMP technology reduction cell load of the present invention is proposed, in a last embodiment, also comprise:
Notification module 50 is used for main plot is after changing notified other cooperation cell of said UE.
Newly-increased module 60 is used for whether increasing cooperation cell according to the QoS decision of said UE.
The sub-district of traffic overload selects cooperation cell as after changing main plot from cooperation cell, consults with this cooperation cell, the main plot is migrated to this cooperation cell after, send the main plot Notification of Changes by notification module 50 to other cooperation cell again.
Migration or cooperation cell take place in the main plot withdraw from the CoMP cell set after, newly-increased module 60 is according to factors such as the load of each cooperation cell in the current C oMP cell set, UE Traffic Channel quality, UE QoSs, whether decision need expand the CoMP cell set.Increase if need; Then in the adjacent area, search the sub-district except that cooperation cell and original main plot; Require UE to report the down channel quality situation of these sub-districts; And the load, resource operating position and the uplink signal-channel quality situation that require these sub-district feedbacks self, newly-increased module 60 is selected new cooperation cell according to the QoS requirement of above-mentioned information and UE.At last, send reallocation message and give this UE, carry up-to-date CoMP collection cell information in the message, after UE receives, respond reprovision and accomplish message, and carry out transfer of data with up-to-date CoMP collection sub-district.
In the present embodiment; After the sub-district of traffic overload reduces load through main plot migration or the mode that withdraws from the CoMP cell set; Notification module 50 notifies other cooperation cell above-mentioned change; And whether newly-increased module 60 increases cooperation cell newly according to the QoS decision of UE, for follow-up load down is prepared.
In the above-described embodiments, select UE module 10 also to can be used for:
Select a UE according to the priority of each UE in the sub-district, the throughput and the Traffic Channel quality of existing business.
When the load of sub-district surpasses a preset value, select UE module 10 from the UE instance of CoMP cell set, to select the UE of a UE as load control.Selection principle can be: take all factors into consideration the factors such as throughput and Traffic Channel quality of priority, the existing business of each UE, choose User Priority is lower, business throughput is big and Traffic Channel the is second-rate UE UE as load down.
In the present embodiment, the comprehensive condition through each UE in the sub-district is selected the UE of load control, and the method for other control UE that can be used to select to load also is applicable to the present invention.
With reference to Fig. 6, in the above-described embodiments, change module 20 can comprise:
Acquiring unit 21 is used to obtain the load and the QoS information of each cooperation cell;
Selected cell 22 is used for load and QoS information according to each cooperation cell, selects cooperation cell conduct main plot after changing, and withdraws from the CoMP cell set of this UE.
When the sub-district of traffic overload during for the main plot of the CoMP cell set of selected UE, acquiring unit 21 is at first communicated by letter with each cooperation cell of UE, obtains the situation such as load, UE Traffic Channel quality of cooperation cell.Selected cell 22 is selected lower, a UE Traffic Channel quality better cell of load from cooperation cell.After this cooperation cell negotiation, the main plot is migrated to this cooperation cell, and withdraw from the CoMP cell set of this UE.Also can select according to actual conditions.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.

Claims (10)

1. the method through CoMP technology reduction cell load is characterized in that, comprising:
When cell load reaches a preset value, select a user equipment (UE);
When said sub-district is the main plot of CoMP cell set of said UE, the cooperation cell of this UE is changed to the main plot;
When said sub-district is the cooperation cell of CoMP cell set of said UE, withdraw from the CoMP cell set of this UE;
Delete said UE.
2. the method through CoMP technology reduction cell load as claimed in claim 1 is characterized in that, after carrying out said deletion UE, also comprises:
Whether the main plot of said UE increases cooperation cell according to the QoS decision of this UE.
According to claim 1 or claim 2 pass through the method that CoMP technology reduces cell load, it is characterized in that, carrying out saidly when the sub-district is the main plot of CoMP cell set of UE, the cooperation cell of this UE is changed to after the main plot, also comprise:
Main plot is after changing notified other cooperation cell of said UE.
According to claim 1 or claim 2 pass through the method that CoMP technology reduces cell load, it is characterized in that, said when cell load reaches a preset value, select a user equipment (UE) to comprise:
Select a UE according to the priority of each UE in the sub-district, the throughput and the Traffic Channel quality of existing business.
According to claim 1 or claim 2 pass through the method that CoMP technology reduces cell load, it is characterized in that, said when the sub-district is the main plot of CoMP cell set of UE, the cooperation cell of this UE is changed to the main plot comprises:
Obtain the load and the QoS information of each cooperation cell;
According to the load and the QoS information of each cooperation cell, select cooperation cell conduct main plot after changing, and withdraw from the CoMP cell set of this UE.
6. a sub-district that reduces cell load through the CoMP technology is characterized in that, comprising:
Select the UE module, be used for when cell load reaches a preset value, selecting a user equipment (UE);
The change module is used for when said sub-district is the main plot of CoMP cell set of said UE, and the cooperation cell of this UE is changed to the main plot;
Withdraw from module, be used for when said sub-district is the cooperation cell of CoMP cell set of said UE, withdrawing from the CoMP cell set of this UE;
Removing module is used to delete said UE.
7. the sub-district that reduces cell load through the CoMP technology as claimed in claim 6 is characterized in that, also comprises:
Newly-increased module is used for whether increasing cooperation cell according to the QoS decision of said UE.
8. like claim 6 or the 7 described sub-districts that reduce cell load through the CoMP technology, it is characterized in that, also comprise:
Notification module is used for main plot is after changing notified other cooperation cell of said UE.
9. like claim 6 or the 7 described sub-districts that reduce cell load through the CoMP technology, it is characterized in that said selection UE module also is used for:
Select a UE according to the priority of each UE in the sub-district, the throughput and the Traffic Channel quality of existing business.
10. like claim 6 or the 7 described sub-districts that reduce cell load through the CoMP technology, it is characterized in that said change module comprises:
Acquiring unit is used to obtain the load and the QoS information of each cooperation cell;
Selected cell is used for load and QoS information according to each cooperation cell, selects cooperation cell conduct main plot after changing, and withdraws from the CoMP cell set of this UE.
CN201110054652.XA 2011-03-08 2011-03-08 The method and device that cell load is reduced by CoMP technology Expired - Fee Related CN102685776B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201110054652.XA CN102685776B (en) 2011-03-08 2011-03-08 The method and device that cell load is reduced by CoMP technology
PCT/CN2011/082245 WO2012119461A2 (en) 2011-03-08 2011-11-15 Method for decreasing cell load by way of coordinated multiple point technology and evolved nodeb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110054652.XA CN102685776B (en) 2011-03-08 2011-03-08 The method and device that cell load is reduced by CoMP technology

Publications (2)

Publication Number Publication Date
CN102685776A true CN102685776A (en) 2012-09-19
CN102685776B CN102685776B (en) 2017-03-15

Family

ID=46798589

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110054652.XA Expired - Fee Related CN102685776B (en) 2011-03-08 2011-03-08 The method and device that cell load is reduced by CoMP technology

Country Status (2)

Country Link
CN (1) CN102685776B (en)
WO (1) WO2012119461A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102740360A (en) * 2011-04-12 2012-10-17 中兴通讯股份有限公司 Cell load control method and apparatus thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106162884B (en) * 2015-03-25 2019-07-26 电信科学技术研究院 A kind of method for managing resource and equipment

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1717092A (en) * 2004-06-29 2006-01-04 中兴通讯股份有限公司 Method for dynamically regulating auxiliary carrier frequency of multiple carrier frequency small village in radio communication system
US20060166677A1 (en) * 2005-01-27 2006-07-27 Lucent Technologies, Inc. Balancing load of cells in inter-frequency handover of wireless communications
CN1941988A (en) * 2005-09-29 2007-04-04 普天信息技术研究院 Method for allocating multiple carrier-frequency domain
CN101080082A (en) * 2006-05-22 2007-11-28 上海贝尔阿尔卡特股份有限公司 Device and method for switching control via joint detection of multiple cell load
CN101119140A (en) * 2006-08-03 2008-02-06 鼎桥通信技术有限公司 Load stabilization method and apparatus for layered cell structure
CN101415207A (en) * 2008-12-04 2009-04-22 北京邮电大学 Method, apparatus and base station for balancing load of honeycomb collaboration relay network
CN101959171A (en) * 2010-09-30 2011-01-26 中兴通讯股份有限公司 Neighboring cell configuration information updating method and system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1278581C (en) * 2003-05-26 2006-10-04 华为技术有限公司 Method for realizing laminated plot interlayer loading balance

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1717092A (en) * 2004-06-29 2006-01-04 中兴通讯股份有限公司 Method for dynamically regulating auxiliary carrier frequency of multiple carrier frequency small village in radio communication system
US20060166677A1 (en) * 2005-01-27 2006-07-27 Lucent Technologies, Inc. Balancing load of cells in inter-frequency handover of wireless communications
CN1941988A (en) * 2005-09-29 2007-04-04 普天信息技术研究院 Method for allocating multiple carrier-frequency domain
CN101080082A (en) * 2006-05-22 2007-11-28 上海贝尔阿尔卡特股份有限公司 Device and method for switching control via joint detection of multiple cell load
CN101119140A (en) * 2006-08-03 2008-02-06 鼎桥通信技术有限公司 Load stabilization method and apparatus for layered cell structure
CN101415207A (en) * 2008-12-04 2009-04-22 北京邮电大学 Method, apparatus and base station for balancing load of honeycomb collaboration relay network
CN101959171A (en) * 2010-09-30 2011-01-26 中兴通讯股份有限公司 Neighboring cell configuration information updating method and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102740360A (en) * 2011-04-12 2012-10-17 中兴通讯股份有限公司 Cell load control method and apparatus thereof
CN102740360B (en) * 2011-04-12 2016-08-03 中兴通讯股份有限公司 A kind of cell load control method and device

Also Published As

Publication number Publication date
WO2012119461A2 (en) 2012-09-13
WO2012119461A3 (en) 2012-11-01
CN102685776B (en) 2017-03-15

Similar Documents

Publication Publication Date Title
EP2800414B1 (en) Load balancing method and related device
EP2563065B1 (en) Method and device for updating coordinated multi-point transmission set
EP2618609B1 (en) Multi-carrier switching method and device
US10117150B2 (en) Mobility optimization method, user equipment and access network device
WO2016011752A1 (en) Load balancing method and device
EP2624630A1 (en) Method and device for determining a target cell
US20100027507A1 (en) Handover processing method, enb and network communication system thereof
RU2547144C1 (en) Communication method, network device and communication system for multi-rat network
CN101273556A (en) Mobile communications cell changing procedure
CN103079235A (en) Method and device for realizing load balance in long term evolution (LTE) system
CN1671243A (en) A method of hard switch between heterogeneous systems for WCDMA system
CN101064634B (en) Frequency band reconfiguration system and method
CN100531254C (en) Dff-line fault information report method, device and off-line fault reason positioning system
CN109121164B (en) Load balancing method and device
CN102291790B (en) Control method for switching of mobile communication system
CN101494884A (en) Method for processing switch exception
US20130286829A1 (en) Base station and communication control method
WO2016000788A1 (en) Mobility management of user equipment
CN104581855A (en) Method and system for optimizing inter-operation of 3G network and 4G network
CN104918287B (en) A kind of method and device of load balancing
CN102695218A (en) Mode identification-based switching self-optimizing method
US9693295B2 (en) Terminal selection method and system based on self-organizing network, and network entity
CN102076044A (en) Switching method and equipment
WO2021052418A1 (en) Cell load balancing method and device, and network device
CN102695215B (en) Method for sending and receiving load information, access network control nodes and system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170315

Termination date: 20200308