CN100396151C - Method for controlling up-link load of base station - Google Patents
Method for controlling up-link load of base station Download PDFInfo
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- CN100396151C CN100396151C CNB200410096824XA CN200410096824A CN100396151C CN 100396151 C CN100396151 C CN 100396151C CN B200410096824X A CNB200410096824X A CN B200410096824XA CN 200410096824 A CN200410096824 A CN 200410096824A CN 100396151 C CN100396151 C CN 100396151C
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Abstract
The present invention provides an uplink load control method of a base station, which is characterized in that total bandwidth power received by cells in the base station is obtained, and the uplink load of the base station is controlled according to the received total bandwidth power of the cells and the preset control threshold magnitude of the cells. The present invention avoids the processes that the base station periodically reports the received total bandwidth power to a base station controller and the base station controller calculates and judges aiming at the access of every mobile terminal, avoids call time delay and the control information time delay of the uplink load of the base station simultaneously, relieves signaling processes between the base station controller and the base station, decreases open interferences in a maximum limit by directly controlling the common access channel of the cell and effectively reduces same frequency interference. Thereby, the technical scheme provided by the present invention saves network resources, effectively controls the uplink load of the base station in time and thoroughly ensures the service quality of an access mobile terminal.
Description
Technical field
The present invention relates to the network communications technology field, be specifically related to a kind of method for controlling up-link load of base station.
Background technology
In wireless telecommunication system, by the portable terminal ascending access system is carried out access control, make the number of users of every cell uplink connecting system reach the target call of default, the total load in each sub-district is remained in certain scope, the ascending load of base station is effectively controlled, make base station system remain on a good performance state, thereby guarantee the quality of service of each portable terminal.
At present, the main technical schemes of NodeB being carried out ascending load control is: the base station periodically reports base station controller with RTWP (reception total bandwidth power), when portable terminal makes a call, during the request call access, the RTWP that base station controller reports according to the base station calculates the load factor of current area, and calculate this professional load factor according to the traffic performance of the request call access of portable terminal, load factor reserved value addition with these two load factors and common signal channel, its summation just obtains the ascending load factor predicted value of base station, this predicted value and the load factor thresholding of being scheduled to are compared, if predicted value is less than predetermined load factor thresholding, then allow the request call access of this portable terminal, if this predicted value is not less than predetermined load factor thresholding, then refuse the request call access of this portable terminal.
Description by technique scheme as can be known, existing method for controlling up-link load of base station need be in the base station controller place computational load factor, this needs the base station periodically the RTWP value to be reported base station controller, increased the weight of the signaling process between base station and the base station controller, and control information has bigger time lag, and the control effect of base station ascending load is affected; And existing this load control method is to carry out after portable terminal is initiated access procedure, when base station controller is determined the request call access of this portable terminal of refusal, discharges link, and base station ascending idle port load is not effectively controlled; And this method needs base station controller that the access judgement is all carried out in each calling of portable terminal, has increased the call delay of portable terminal.
Summary of the invention
The invention provides a kind of method for controlling up-link load of base station, by directly determining control, realized conserve network resources, the base station ascending load control effectively, fully guaranteed to insert the purpose of the quality of service of portable terminal the base station ascending load according to the reception total bandwidth power of sub-district.
For achieving the above object, a kind of method for controlling up-link load of base station provided by the invention comprises:
Obtain the reception total bandwidth power of base station cell, and after determining needs and carry out base station ascending load control according to the size of the reception total bandwidth power of described sub-district and predetermined control thresholding, forbid the portable terminal access procedure of described sub-district Common Control Channel.
Described predetermined control thresholding comprises: make an uproar at the bottom of the sub-district and the predetermined signal strength sum;
And make an uproar at the bottom of the described sub-district and be reception total bandwidth power or the predetermined default value measured when unloaded in the sub-district.
The span of the predetermined default value of making an uproar at the bottom of the described sub-district is :-108dbm is to-102dbm.
The span of described predetermined signal strength is: 18db to 53db.
Described method further comprises:
The base station main control module obtains the reception total bandwidth power of sub-district, radio-frequency module place;
When described base station main control module surpasses the predetermined control time threshold in the reception total bandwidth power of determining the sub-district greater than the predetermined control thresholding and greater than duration of predetermined control thresholding, forbid the portable terminal access procedure of described sub-district Common Control Channel.
Described method also comprises:
Described base station main control module transfers to the base station alarm module with the limited warning information of the access of described sub-district.
Described method also comprises:
Described base station main control module is closed thresholding and is surpassed the predetermined control shut-in time during thresholding less than the duration that predetermined control is closed thresholding less than predetermined control in the reception total bandwidth power of determining the sub-district, allows the portable terminal access procedure of described sub-district Common Control Channel.
Described method also comprises:
Described base station main control module with the limited alarm clearing message transmission of the access of sub-district to the base station alarm module.
The span that described predetermined control is closed thresholding is: predetermined signal strength is poor to predetermined signal strength and 12db's.
The span of described predetermined control time threshold is: 0.01 to 1800 second;
The span of described predetermined control shut-in time thresholding is: 0.01 to 1800 second.
Description by technique scheme as can be known, the present invention directly determines control to the base station ascending load according to the size of the reception total bandwidth power of base station cell and predetermined control thresholding, avoided calculating, deterministic process, avoided call delay simultaneously at each portable terminal access; The present invention can be realized by the base station main control module, avoided the base station periodically to report the total bandwidth power process that receives to base station controller, alleviated the signaling process between base station controller and the base station, avoided the control information time delay of base station controller the ascending load of base station; The present invention is by when determining to control the base station ascending load, directly control the public access channel of sub-district, maximum having reduced of limiting eats dishes without rice or wine to disturb, and, do not insert because co-frequency cell switches the user who comes, effectively reduced co-channel interference by public access channel; Thereby realize conserve network resources by technical scheme provided by the invention, in time, effectively control the ascending load of base station, fully guarantee the purpose of the quality of service of access portable terminal.
Description of drawings
Fig. 1 is that base station of the present invention main control module is provided with the schematic diagram of making an uproar at the bottom of the sub-district;
Fig. 2 is the implementation method schematic diagram of base station of the present invention ascending load control;
Fig. 3 is the implementation method flow chart of base station of the present invention ascending load control;
Fig. 4 is the access control state transition diagram of main control module of the present invention.
Embodiment
Core of the present invention is: obtain the reception total bandwidth power of base station cell, and according to the reception total bandwidth power of described sub-district and the size of its predetermined control thresholding the base station ascending load is controlled.
Based on core concept of the present invention technical scheme provided by the invention is further described below.
Base station among the present invention comprises NodeB.
The present invention at first needs to be provided with the predetermined control thresholding of base station cell, and the predetermined control thresholding of base station cell can be set to make an uproar and the predetermined signal strength sum at the bottom of the sub-district.
Determine that the method for making an uproar at the bottom of the sub-district has two kinds, as shown in Figure 1:
In Fig. 1, method one: obtain to make an uproar at the bottom of the sub-district by the reception gross power of measuring the base station radio frequency module place, the reception total bandwidth power when promptly measuring the base station zero load, this process can be carried out before opening base station.Method two: set in advance the default value of making an uproar at the bottom of the sub-district, making makes an uproar at the bottom of the sub-district is the default value that sets in advance.The default value of making an uproar at the bottom of the sub-district can be according to the actual conditions of base station by the base station operation maintenance console.The span of the default value of making an uproar at the bottom of the sub-district can for (108) dBm to (102) dBm.
The span of predetermined signal strength can be 18db to 53db.
After being provided with the predetermined control thresholding of sub-district, the schematic diagram that the present invention carries out base station ascending load control according to reception total bandwidth power, the predetermined control thresholding of sub-district as shown in Figure 2.
In Fig. 2, by receiving total bandwidth power in real time or according to the sub-district that predetermined time interval is regularly measured the base station radio frequency module place, the base station main control module obtains the reception total bandwidth power of sub-district, main control module is at the predetermined control thresholding of the reception total bandwidth power of determining the sub-district greater than this sub-district, and when surpassing the predetermined control time threshold greater than duration of predetermined control thresholding, definite needs carry out base station ascending load control, forbid the portable terminal access procedure of this sub-district Common Control Channel as employing to the method for the public access module transmission access control information of sub-district, make this sub-district Common Control Channel be in the access illegal state, and send the limited warning information of access of this sub-district to the base station alarm module.
After this sub-district Common Control Channel is in the access illegal state, the base station main control module still needs to continue to obtain the reception total bandwidth power of this sub-district, and close thresholding less than predetermined control in the reception gross power of determining this sub-district, and surpass the predetermined control shut-in time during thresholding less than the duration that predetermined control is closed thresholding, determine not need to carry out base station ascending load control, as adopting public access module to send methods such as access control information to this sub-district, allow the access procedure of the portable terminal of this sub-district Common Control Channel, make this sub-district Common Control Channel be in access state, and send the limited alarm clearing information of access of this sub-district to the base station alarm module.
In said process, predetermined control time threshold and predetermined control shut-in time thresholding can determine that its span is 0.01 second to 1800 seconds according to the actual conditions of base station.
Predetermined control is closed thresholding can determine that its span can be the difference of predetermined signal strength to predetermined signal strength and 12db according to the actual conditions of base station.
The realization flow of NodeB method for controlling up-link load of the present invention as shown in Figure 3.
In Fig. 3, step 300 begins method for controlling up-link load of base station of the present invention.
To step 310, judge whether and to test making an uproar at the bottom of the base station cell that if do not need test, to step 311, being provided with makes an uproar at the bottom of the sub-district is its corresponding default value.To step 330.
In step 310, test making an uproar at the bottom of the base station cell if desired, then arrive step 320, under the situation that does not have the user to insert, measure the reception total wideband power of sub-district, the reception total wideband power of the sub-district of measuring is set to make an uproar at the bottom of this sub-district.To step 330.
In step 330, the predetermined control thresholding that the sub-district is set is made an uproar and the predetermined signal strength sum at the bottom of for the sub-district.
To step 340, the state that the sub-district Common Control Channel is set is an access state.
To step 350, the base station main control module regularly obtains the reception total wideband power of sub-district, radio-frequency module place according to predetermined time interval.
To step 360, obtain the state of sub-district Common Control Channel, and the state of judgement sub-district Common Control Channel, if the sub-district Common Control Channel is in access state, to step 370, whether the reception total bandwidth power of judging the sub-district greater than the predetermined control thresholding, and receives total bandwidth power and whether surpass the predetermined control time threshold greater than duration of predetermined control thresholding.
If the reception total bandwidth power of sub-district is not more than the predetermined control thresholding, though perhaps the reception total bandwidth power of sub-district is greater than the predetermined control thresholding, but the reception total bandwidth power of sub-district is no more than the predetermined control time threshold greater than the duration of predetermined control thresholding, to step 371, do not change the access state of the Common Control Channel of this sub-district, allow portable terminal to insert the Common Control Channel of sub-district, arrive step 360 simultaneously, continue to obtain the state of sub-district Common Control Channel, and judge the state of sub-district Common Control Channel.
In step 370, if the reception total bandwidth power of sub-district is greater than the predetermined control thresholding, and when the reception total bandwidth power of this sub-district surpasses the predetermined control time threshold greater than duration of predetermined control thresholding, determine and to control the ascending load of base station, to step 380, the base station main control module adopts to methods such as public access module transmission access control information, the access procedure of forbidding the portable terminal of this sub-district Common Control Channel, make the sub-district Common Control Channel be in the access illegal state, the base station main control module can also send the sub-district to the base station alarm module and insert limited warning information.Arrive step 360 simultaneously, continue to obtain the state of sub-district Common Control Channel, and judge the state of sub-district Common Control Channel.
In step 360, if the sub-district Common Control Channel is in the access illegal state, to step 361, judge whether the reception gross power of this sub-district closes thresholding less than predetermined control, and whether the duration of closing thresholding less than predetermined control surpasses predetermined control shut-in time thresholding, if the reception gross power of this sub-district is closed thresholding less than predetermined control, and the duration of closing thresholding less than predetermined control surpasses predetermined control shut-in time thresholding, to step 362, employing sends methods such as access control information to the public access module of this sub-district, allow the access procedure of the portable terminal of this sub-district Common Control Channel, make the sub-district Common Control Channel be in access state, the base station main control module can also send the sub-district to the base station alarm module and insert limited alarm clearing information, arrive step 360 simultaneously, continue to obtain the state of sub-district Common Control Channel, and judge the state of sub-district Common Control Channel.
In step 361, if the reception gross power of this sub-district is not less than predetermined control and closes thresholding, though perhaps the reception gross power of this sub-district is closed thresholding less than predetermined control but is no more than predetermined control shut-in time thresholding less than the duration that predetermined control is closed thresholding, to step 362, do not change the access illegal state of this public access channel in sub-district, arrive step 360 simultaneously, continue to obtain the state of sub-district Common Control Channel, and judge the state of sub-district Common Control Channel.
The base station main control module can be subdivided into four kinds to the state of a control of the public access channel in sub-district, i.e. stable state access, and transition state access, stable state forbid that transition state is forbidden.If the initial state when cell initial is set up also adds, always have five kinds of states.
The base station main control module moves as shown in Figure 4 the state of a control of the public access channel in sub-district.
In Fig. 4, the base station main control module when cell initial is set up is unconditionally moved to the stable state access to the state of a control of the public access channel in sub-district by initial state.
In the stable state access, the base station main control module detects the RTWP value according to predetermined time interval, if detected RTWP value is greater than predetermined control thresholding X, start-up period timer V, begin of the duration timing of RTWP value greater than the predetermined control thresholding, simultaneously, the base station main control module is moved to the transition state access to the state of a control of the public access channel in sub-district by the stable state access.If detected RTWP value is not more than predetermined control thresholding X, timer V resets, as V is changed to 0; The base station main control module stays in the stable state access to the state of a control of the public access channel in sub-district.
In the transition state access, when the base station main control module detected RTWP greater than predetermined control thresholding X according to predetermined time interval, the clocking value of V increased progressively; If the clocking value of V is less than predetermined control time threshold Y, the base station main control module stays in the transition state access to the state of a control of the public access channel in sub-district; If the clocking value of V is not less than predetermined control time threshold Y, the base station main control module is moved to during stable state forbids the state of a control of the public access channel in sub-district, and timer V resets.In the transition state access, when detecting RTWP and be not more than predetermined control thresholding X, timer V's base station main control module resets according to predetermined time interval, and the base station main control module is moved in the stable state access the state of a control of the public access channel in sub-district.
In stable state is forbidden, when the base station main control module detects RTWP and is not more than predetermined control and closes thresholding X2 according to predetermined time interval, start-up period timer V begins the RTWP value is not more than the duration timing that predetermined control is closed thresholding X2, simultaneously, the base station main control module is forbidden moving to during transition state forbids by stable state to the state of a control of the public access channel in sub-district.If when the base station main control module detected RTWP and closes thresholding X2 greater than predetermined control according to predetermined time interval, timer V resetted, the base station main control module stays in stable state is forbidden to the state of a control of the public access channel in sub-district.
In transition state was forbidden, when the base station main control module detected RTWP and is not more than predetermined control and closes thresholding X2 according to predetermined time interval, the clocking value of V increased progressively; If the clocking value of V is less than predetermined control shut-in time thresholding Y2, timer V resets, and the base station main control module rests on during transition state forbids the state of a control of the public access channel in sub-district; If the clocking value of V is not less than predetermined control shut-in time thresholding Y2, the base station main control module is moved in the stable state access the state of a control of the public access channel in sub-district.In transition state was forbidden, if when detecting RTWP and closing thresholding X2 greater than predetermined control, timer V resetted, and the base station main control module is moved to during stable state forbids the state of a control of the public access channel in sub-district.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, and the appended claim of application documents of the present invention comprises these distortion and variation.
Claims (10)
1. method for controlling up-link load of base station is characterized in that comprising:
Obtain the reception total bandwidth power of base station cell, and after determining needs and carry out base station ascending load control according to the size of the reception total bandwidth power of described sub-district and predetermined control thresholding, forbid the portable terminal access procedure of described sub-district Common Control Channel.
2. a kind of method for controlling up-link load of base station as claimed in claim 1 is characterized in that described predetermined control thresholding comprises: make an uproar at the bottom of the sub-district and the predetermined signal strength sum;
And make an uproar at the bottom of the described sub-district and be reception total bandwidth power or the predetermined default value measured when unloaded in the sub-district.
3. a kind of method for controlling up-link load of base station as claimed in claim 2 is characterized in that the span of the predetermined default value of making an uproar at the bottom of the described sub-district is :-108dbm is to-102dbm.
4. a kind of method for controlling up-link load of base station as claimed in claim 2 is characterized in that the span of described predetermined signal strength is: 18db to 53db.
5. as claim 1,2,3 or 4 described a kind of method for controlling up-link load of base station, it is characterized in that described method further comprises:
The base station main control module obtains the reception total bandwidth power of sub-district, radio-frequency module place;
When described base station main control module surpasses the predetermined control time threshold in the reception total bandwidth power of determining the sub-district greater than the predetermined control thresholding and greater than duration of predetermined control thresholding, forbid the portable terminal access procedure of described sub-district Common Control Channel.
6. a kind of method for controlling up-link load of base station as claimed in claim 5 is characterized in that described method also comprises:
Described base station main control module transfers to the base station alarm module with the limited warning information of the access of described sub-district.
7. a kind of method for controlling up-link load of base station as claimed in claim 5 is characterized in that described method also comprises:
Described base station main control module is closed thresholding and is surpassed the predetermined control shut-in time during thresholding less than the duration that predetermined control is closed thresholding less than predetermined control in the reception total bandwidth power of determining the sub-district, allows the portable terminal access procedure of described sub-district Common Control Channel.
8. a kind of method for controlling up-link load of base station as claimed in claim 7 is characterized in that described method also comprises:
Described base station main control module with the limited alarm clearing message transmission of the access of sub-district to the base station alarm module.
9. a kind of method for controlling up-link load of base station as claimed in claim 7, it is characterized in that described predetermined control closes the span of thresholding and be: predetermined signal strength is poor to predetermined signal strength and 12db's.
10. a kind of method for controlling up-link load of base station as claimed in claim 7 is characterized in that:
The span of described predetermined control time threshold is: 0.01 to 1800 second;
The span of described predetermined control shut-in time thresholding is: 0.01 to 1800 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410096824XA CN100396151C (en) | 2004-12-07 | 2004-12-07 | Method for controlling up-link load of base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB200410096824XA CN100396151C (en) | 2004-12-07 | 2004-12-07 | Method for controlling up-link load of base station |
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| CN1787682A CN1787682A (en) | 2006-06-14 |
| CN100396151C true CN100396151C (en) | 2008-06-18 |
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| CNB200410096824XA Expired - Fee Related CN100396151C (en) | 2004-12-07 | 2004-12-07 | Method for controlling up-link load of base station |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101316432B (en) * | 2007-05-31 | 2011-11-30 | 中兴通讯股份有限公司 | Method for controlling ascending load of cell |
| CN101162927B (en) * | 2007-11-09 | 2011-12-07 | 中兴通讯股份有限公司 | Optimized use method of uplink loading |
| CN101217801B (en) * | 2008-01-08 | 2011-12-21 | 北京天碁科技有限公司 | A same frequency interference selection method applied in N frequency point networking system |
| FI123253B (en) * | 2008-06-19 | 2013-01-15 | Cassidian Finland Oy | Control mechanism for use of common control channel |
| US20130143502A1 (en) * | 2010-08-13 | 2013-06-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Dual Operation of User Equipment in Licensed and Unlicensed Spectrum |
| CN103188720A (en) * | 2011-12-28 | 2013-07-03 | 中国电信股份有限公司 | Terminal link disconnection method based on network load and terminal |
| CN103686966B (en) * | 2012-09-21 | 2017-04-12 | 华为技术有限公司 | Method and apparatus for reducing transmission power |
| CN104105180B (en) * | 2013-04-03 | 2019-10-01 | 南京中兴软件有限责任公司 | To the method for interference synergic management, system, low power base station and RNC |
| US9596092B2 (en) * | 2015-03-27 | 2017-03-14 | Lenovo Enterprise Solutions (Singapore) Pte. Ltd. | On-demand power management in a networked computing environment |
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| CN1394015A (en) * | 2001-06-27 | 2003-01-29 | 华为技术有限公司 | Reverse permission control method |
| CN1479464A (en) * | 2002-08-28 | 2004-03-03 | 深圳市中兴通讯股份有限公司 | Self interference admission control method of CDMA system |
| CN1514561A (en) * | 2002-12-31 | 2004-07-21 | 深圳市中兴通讯股份有限公司上海第二 | Fast calling admitting control method of mobile communication system uplink mixed service |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327645A (en) * | 1998-12-18 | 2001-12-19 | 诺基亚网络有限公司 | Method for traffic load control in a telecommunication network |
| CN1373572A (en) * | 2001-03-01 | 2002-10-09 | 深圳市中兴通讯股份有限公司 | Recepting control method for mixed services of broad-band CDMA system |
| CN1394015A (en) * | 2001-06-27 | 2003-01-29 | 华为技术有限公司 | Reverse permission control method |
| CN1479464A (en) * | 2002-08-28 | 2004-03-03 | 深圳市中兴通讯股份有限公司 | Self interference admission control method of CDMA system |
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