CN101350640B - Method and system for controlling power over load of multi-carrier district - Google Patents
Method and system for controlling power over load of multi-carrier district Download PDFInfo
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- CN101350640B CN101350640B CN2007101304644A CN200710130464A CN101350640B CN 101350640 B CN101350640 B CN 101350640B CN 2007101304644 A CN2007101304644 A CN 2007101304644A CN 200710130464 A CN200710130464 A CN 200710130464A CN 101350640 B CN101350640 B CN 101350640B
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Abstract
The present invention provides a power overload control method of multi-carrier district, and a method thereof. The method comprises the following steps: inputting the maximum allowable transmission power of the multi-carrier district, the maximum allowable transmission power of the single carrier, the overload control load threshold, the carrier overload control threshold, and the current carrier power reported by the power control part of each carrier; centralizing the power control part of the carriers; judging whether the actual power sum of the carriers is more than the product of the overload control load threshold and the maximum allowable transmission power of the multi-carrier district; and selecting the carrier overload control threshold parameters of the power control part of each carrier according to the judgment. Therefore, the method guarantees the total transmission power in the district has no overload when the carriers share the power.
Description
Technical field
The present invention relates to wireless communication technology field, more specifically, relate to a kind of power overload controlling method and system of multi-carrier district.
Background technology
At present; Commercial TD SDMA (Time Division-SynchronousCode Division Multiple Access; TD-SCDMA) balance of capacity, covering, professional diversity and system effectiveness is accomplished in the networking requirement of system, to reach the target of maximization client efficiency of investment.In present TD-SCDMA commercial network, the technology of N frequency point cell is extensively adopted.
The common signal channel of N frequency point cell comprises: Physical Random Access Channel (PRACH), physical access channel (FPACH), Your Majesty be physical control channel (PCCPCH), auxiliary public physical control channel (SCCPCH), ascending pilot channel (UpPCH), downlink pilot frequency channel (DwPCH) etc. altogether, only is configured on the dominant frequency point.Dedicated channel both can be based upon on the dominant frequency point, also can be based upon on the auxilliary frequency.Do not have common signal channel on the auxiliary frequency, have only dedicated channel (DCH).
The sub-district that has the N frequency type of a kind of TD-SCDMA at present; Its sub-district total emission power is divided equally at intercarrier; The maximum transmission power of each carrier wave is sub-district total emission power/carrier number, on each carrier wave, independently carries out the power overload control that simple power overload control can be accomplished the multi-carrier district of TD-SCDMA simply like this.
Power resource utilization ratio and network performance for the multi-carrier district that improves TD-SCDMA; Develop and other one type N frequency point cell; Its sub-district total emission power is shared at each intercarrier; Carrier power no longer is subject to sub-district total emission power/carrier number, and the gross power of the multi-carrier district of TD-SCDMA is shared the power and the nonoverload that must guarantee each carrier wave at each intercarrier simultaneously.
The power overload control of multi-carrier district need be controlled the overload that each carrier wave is concentrated, and the power overload control module of concentrating need be collected power information, the judgement overload of each carrier wave and taken measures to suppress to transship.Under such demand, need a kind of scheme to accomplish the power overload control of the shared TD-SCDMA multi-carrier district of carrier wave level power.
Summary of the invention
In order to solve prior art problems, the invention provides a kind of power overload controlling method and system of multi-carrier district.
The power overload controlling method of multi-carrier district according to an aspect of the present invention can may further comprise the steps: step 1, the maximum of input multi-carrier district allow transmitting power, the maximum current carrier power that allows transmitting power, overload control load thresholding, carrier wave overload control thresholding and each carrier power control side to report of single carrier; And step 2; Concentrate carrier power control side judge current actual carrier power with whether greater than the product of overload control load thresholding with the maximum permission transmitting power of multi-carrier district, and the carrier wave that selection is sent to each carrier power control side according to judged result transships and controls threshold parameter.
Wherein, the product of the carrier number of single carrier maximum permission transmitting power and multi-carrier district allows transmitting power greater than the maximum of multi-carrier district.
When current actual carrier power and when allowing the product of transmitting power greater than the maximum of overload control load thresholding and multi-carrier district, concentrate carrier power control side that carrier wave is transshipped and control thresholding and be sent to each carrier power control side; And each carrier power control side controls thresholding as carrier transmit Power Limitation parameter with the carrier wave overload.
In addition, when the maximum with being not more than overload control load thresholding and multi-carrier district of current actual carrier power allows the product of transmitting power, concentrate carrier power control side that the maximum transmitting power that allows of single carrier is sent to each carrier power control side; And each carrier power control side allows transmitting power as carrier transmit Power Limitation parameter with the single carrier maximum.
The transmission power limit of each each carrier wave of carrier power control side control is not more than carrier transmit Power Limitation parameter.
Power overload control system based on the present invention's multi-carrier district on the other hand can comprise: input unit; Be positioned at and concentrate in the carrier power control side, be used to import the current carrier power that maximum permission transmitting power, single carrier maximum allow transmitting power, thresholding is loaded in the control of transshipping, carrier wave transships the control thresholding and each carrier power control side reports of multi-carrier district; And parameter judgment means; Be positioned at and concentrate in the carrier power control side; Be used for input based on input unit; Judge the product that allows transmitting power with whether greater than the overload control load thresholding and the maximum of multi-carrier district of current actual carrier power, and transship based on the carrier wave that judged result selects to be sent to each carrier power control side and to control threshold parameter.
Wherein, the product of the carrier number of single carrier maximum permission transmitting power and multi-carrier district allows transmitting power greater than the maximum of multi-carrier district.
This system also comprises: first dispensing device; Be positioned at and concentrate in the carrier power control side; That be used for judging current actual carrier power and when allowing the product of transmitting power greater than the maximum of overload control load thresholding and multi-carrier district when the parameter judgment means, the carrier wave overload is controlled thresholding be sent to each carrier power control side; And first parameter setting apparatus, be positioned in each carrier power control side, be used for carrier wave overload control thresholding as carrier transmit Power Limitation parameter.
In addition; This system also comprises: second dispensing device; Be positioned at and concentrate in the carrier power control side; Be used for when the parameter judgment means judges that the maximum with being not more than overload control load thresholding and multi-carrier district of current actual carrier power allows the product of transmitting power, the maximum transmitting power that allows of single carrier being sent to each carrier power control side; And second parameter setting apparatus, be positioned in each carrier power control side, be used for the maximum transmitting power that allows of single carrier as carrier transmit Power Limitation parameter.
This system can also comprise: control device, be positioned in each carrier power control side, and the transmission power limit that is used to control each carrier wave is not more than carrier transmit Power Limitation parameter.
Thereby, adopt the present invention, control can be transshipped to multicarrier TD_SCDMA sub-district in the base station, has guaranteed that the sub-district total emission power is shared at each intercarrier can not occur simultaneously transshipping.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become apparent, perhaps understand by embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the power overload controlling method of multi-carrier district of the present invention;
Fig. 2 is the flow chart according to the power overload controlling method of the multi-carrier district of the embodiment of the invention; And
Fig. 3 is the block diagram according to the power overload control system of multi-carrier district of the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Fig. 1 is the flow chart according to the power overload controlling method of multi-carrier district of the present invention.As shown in Figure 1, this method may further comprise the steps:
The power overload controlling method of multi-carrier district according to an aspect of the present invention can may further comprise the steps:
Step S102, the maximum of input multi-carrier district allows transmitting power, the maximum current carrier power that allows transmitting power, overload control load thresholding, carrier wave overload control thresholding and each carrier power control side to report of single carrier; And
Step S104; Concentrate carrier power control side judge current actual carrier power with whether greater than the product of overload control load thresholding with the maximum permission transmitting power of multi-carrier district, and the carrier wave that selection is sent to each carrier power control side according to judged result transships and controls threshold parameter.
Wherein, the maximum product of the carrier number of transmitting power and multi-carrier district that allows of single carrier can allow transmitting power greater than the maximum of multi-carrier district.
When current actual carrier power and when allowing the product of transmitting power greater than the maximum of overload control load thresholding and multi-carrier district, concentrate carrier power control side that carrier wave is transshipped and control thresholding and be sent to each carrier power control side; And each carrier power control side controls thresholding as carrier transmit Power Limitation parameter with the carrier wave overload.
In addition, when the maximum with being not more than overload control load thresholding and multi-carrier district of current actual carrier power allows the product of transmitting power, concentrate carrier power control side that the maximum transmitting power that allows of single carrier is sent to each carrier power control side; And each carrier power control side allows transmitting power as carrier transmit Power Limitation parameter with the single carrier maximum.
The transmission power limit of each each carrier wave of carrier power control side control is not more than carrier transmit Power Limitation parameter.
Fig. 2 is the flow chart according to the power overload controlling method of the multi-carrier district of the embodiment of the invention.As shown in Figure 2, specifically may further comprise the steps:
Step S202, the maximum transmitting power P that allows in input sub-district
Cell, the maximum transmitting power P that allows of single carrier
c, the current carrier power P that reports of overload control load thresholding f, each carrier power control module
i, i ∈ 1...N, wherein, N is the cell carrier number, P
c *N allows greater than P
Cell, the reasonable value scope of overload control load thresholding f is 0.6～1 on the engineering;
Step S204, judge current actual transmission carrier power with
Whether greater than f*P
CellIf,, go to step S206, otherwise, go to step S208;
Step S206 sends carrier wave overload control thresholding to each carrier power control module
Parameter, each power overload control module with
As carrier transmit Power Limitation parameter each carrier wave is carried out transmission power limit, wherein, as an instance,
But value is P on engineering
Cell/ N; And
Step S208 sends the maximum transmitting power P that allows of single carrier to each carrier power control module
cParameter, each power overload control module is with P
cAs carrier transmit Power Limitation parameter each carrier wave is carried out transmission power limit.
In addition, for each carrier power control module, report the current carrier power P of each carrier wave to the concentration power control module with certain cycle T
i, i ∈ 1...N, N are the cell carrier number; And with the carrier transmit Power Limitation parameter of same cycle T reception from the concentration power control module; After obtaining carrier transmit Power Limitation parameter, control the actual emission power of each carrier wave in any subframe (subframe) and be not more than carrier transmit Power Limitation parameter from the concentration power control module.
Cycle T is approximately 2～4 sub-frame (subframe) on the engineering.
Fig. 3 is the block diagram according to the power overload control system 300 of multi-carrier district of the present invention.As shown in Figure 3; This system can comprise: input unit 302; Be positioned at and concentrate in the carrier power control side, be used to import the current carrier power that maximum permission transmitting power, single carrier maximum allow transmitting power, thresholding is loaded in the control of transshipping, carrier wave transships the control thresholding and each carrier power control side reports of multi-carrier district; And parameter judgment means 304; Be positioned at and concentrate in the carrier power control side; Be used for input according to input unit 302; Judge the product that allows transmitting power with whether greater than the overload control load thresholding and the maximum of multi-carrier district of current actual carrier power, and transship according to the carrier wave that judged result selects to be sent to each carrier power control side and to control threshold parameter.
Wherein, the product of the carrier number of single carrier maximum permission transmitting power and multi-carrier district allows transmitting power greater than the maximum of multi-carrier district.
This system also comprises: the first dispensing device 306a; Be positioned at and concentrate in the carrier power control side; That be used for judging current actual carrier power and when allowing the product of transmitting power greater than the maximum of overload control load thresholding and multi-carrier district when the parameter judgment means, the carrier wave overload is controlled thresholding be sent to each carrier power control side; And the first parameter setting apparatus 308a, be positioned in each carrier power control side, be used for carrier wave overload control thresholding as carrier transmit Power Limitation parameter.
In addition; This system also comprises: the second dispensing device 306b; Be positioned at and concentrate in the carrier power control side; Be used for when the parameter judgment means judges that the maximum with being not more than overload control load thresholding and multi-carrier district of current actual carrier power allows the product of transmitting power, the maximum transmitting power that allows of single carrier being sent to each carrier power control side; And the second parameter setting apparatus 308b, be positioned in each carrier power control side, be used for the maximum transmitting power that allows of single carrier as carrier transmit Power Limitation parameter.
This system can also comprise: control device 310, be positioned in each carrier power control side, and the transmission power limit that is used to control each carrier wave is not more than carrier transmit Power Limitation parameter.
In sum, through method and system of the present invention, guaranteed that the sub-district total emission power is in the shared overload that can not occur simultaneously of each intercarrier.
More than be merely the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the power overload controlling method of a multi-carrier district is characterized in that, may further comprise the steps:
Step 1, the maximum of input multi-carrier district allow transmitting power, the maximum current carrier power that allows transmitting power, overload control load thresholding, carrier wave overload control thresholding and each carrier power control side to report of single carrier; And
Step 2; Concentrate carrier power control side judge said current actual carrier power with whether greater than the product of said overload control load thresholding with the maximum permission transmitting power of said multi-carrier district, and the carrier wave that selection is sent to each carrier power control side based on judged result transships and controls threshold parameter;
When said current actual carrier power and during greater than the product of said overload control load thresholding and the maximum permission transmitting power of said multi-carrier district; Said concentrated carrier power control side is sent to said each carrier power control side with said carrier wave overload control thresholding, and said each carrier power control side controls thresholding as carrier transmit Power Limitation parameter with said carrier wave overload;
When the maximum with being not more than said overload control load thresholding and said multi-carrier district of said current actual carrier power allows the product of transmitting power; Said concentrated carrier power control side is sent to said each carrier power control side with the maximum transmitting power that allows of said single carrier, and said each carrier power control side allows transmitting power as carrier transmit Power Limitation parameter with said single carrier maximum.
2. method according to claim 1 is characterized in that, the product of the carrier number of said single carrier maximum permission transmitting power and said multi-carrier district allows transmitting power greater than the maximum of said multi-carrier district.
3. method according to claim 1 and 2 is characterized in that, the transmitting power of said each carrier wave of said each carrier power control side control is not more than said carrier transmit Power Limitation parameter.
4. the power overload control system of a multi-carrier district is characterized in that, comprising:
Input unit; Be positioned at and concentrate in the carrier power control side, be used to import the current carrier power that maximum permission transmitting power, single carrier maximum allow transmitting power, thresholding is loaded in the control of transshipping, carrier wave transships the control thresholding and each carrier power control side reports of multi-carrier district; And
The parameter judgment means; Be positioned in the said concentrated carrier power control side; Be used for input according to said input unit; Judge the product that allows transmitting power with whether greater than the said overload control load thresholding and the maximum of said multi-carrier district of said current actual carrier power, and transship according to the carrier wave that judged result selects to be sent to each carrier power control side and to control threshold parameter.
First dispensing device; Be positioned in the said concentrated carrier power control side; Be used for when said parameter judgment means judge said current actual carrier power and during greater than the product of said overload control load thresholding and the maximum permission transmitting power of said multi-carrier district; Said carrier wave overload control thresholding is sent to said each carrier power control side; And first parameter setting apparatus, be positioned in said each carrier power control side, be used for said carrier wave overload control thresholding as carrier transmit Power Limitation parameter;
Second dispensing device; Be positioned in the said concentrated carrier power control side; Be used for when said parameter judgment means judges that the maximum with being not more than said overload control load thresholding and said multi-carrier district of said current actual carrier power allows the product of transmitting power; The maximum transmitting power that allows of said single carrier is sent to said each carrier power control side; And second parameter setting apparatus, be positioned in said each carrier power control side, be used for the maximum transmitting power that allows of said single carrier as carrier transmit Power Limitation parameter.
5. system according to claim 4 is characterized in that, the product of the carrier number of said single carrier maximum permission transmitting power and said multi-carrier district allows transmitting power greater than the maximum of said multi-carrier district.
6. according to claim 4 or 5 described systems, it is characterized in that, also comprise:
Control device is positioned in said each carrier power control side, and the transmitting power that is used to control said each carrier wave is not more than said carrier transmit Power Limitation parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101304644A CN101350640B (en) | 2007-07-19 | 2007-07-19 | Method and system for controlling power over load of multi-carrier district |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101304644A CN101350640B (en) | 2007-07-19 | 2007-07-19 | Method and system for controlling power over load of multi-carrier district |
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| Publication Number | Publication Date |
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| CN101350640A CN101350640A (en) | 2009-01-21 |
| CN101350640B true CN101350640B (en) | 2012-06-06 |
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| CN2007101304644A Expired - Fee Related CN101350640B (en) | 2007-07-19 | 2007-07-19 | Method and system for controlling power over load of multi-carrier district |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010083656A1 (en) * | 2009-01-23 | 2010-07-29 | 华为技术有限公司 | Method, equipment and system for carrier control |
| US8934361B2 (en) | 2009-04-17 | 2015-01-13 | Huawei Technologies Co., Ltd. | Downlink inter-cell interference coordination method and eNB |
| CN101969688B (en) * | 2009-07-28 | 2014-04-16 | 华为技术有限公司 | Carrier processing method, communication device and communication system |
| CN102118845B (en) * | 2009-12-30 | 2014-03-12 | 中兴通讯股份有限公司 | Power control method and device |
| CN102209339A (en) * | 2010-03-29 | 2011-10-05 | 中兴通讯股份有限公司 | Detection method and control method of power congestion, system and apparatus thereof |
| CN105723793B (en) * | 2013-02-07 | 2019-10-18 | 华为技术有限公司 | A kind of method and apparatus of random access |
| CN111447684A (en) * | 2020-02-29 | 2020-07-24 | 新华三技术有限公司成都分公司 | Downlink power control method and device of wireless communication system and network equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178052A (en) * | 1996-01-17 | 1998-04-01 | 摩托罗拉有限公司 | Multicarrier communication system and method for peak power control |
| CN1303543A (en) * | 1998-06-29 | 2001-07-11 | 诺基亚网络有限公司 | Power control in multi-carrier radio transmitter |
-
2007
- 2007-07-19 CN CN2007101304644A patent/CN101350640B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178052A (en) * | 1996-01-17 | 1998-04-01 | 摩托罗拉有限公司 | Multicarrier communication system and method for peak power control |
| CN1303543A (en) * | 1998-06-29 | 2001-07-11 | 诺基亚网络有限公司 | Power control in multi-carrier radio transmitter |
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| CN101350640A (en) | 2009-01-21 |
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