CN101567712B - Subdistrict division power configuration method and system - Google Patents
Subdistrict division power configuration method and system Download PDFInfo
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- CN101567712B CN101567712B CN2008100939334A CN200810093933A CN101567712B CN 101567712 B CN101567712 B CN 101567712B CN 2008100939334 A CN2008100939334 A CN 2008100939334A CN 200810093933 A CN200810093933 A CN 200810093933A CN 101567712 B CN101567712 B CN 101567712B
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Abstract
The invention discloses a subdistrict division power configuration method and a system. The method comprises the following steps: calculating the maximum value of the descending transmission power ability of all current subdistrict divisions when receiving a power configuration request; configuring the actual descending maximum transmission power of every current subdistrict division according to the maximum value of descending transmission power ability and subdistrict descending maximum configuration power preset in the power configuration request; and configuring the actual descending channel transmission power of every current subdistrict according to the maximum value of the descending transmission power ability and channel configuration power preset in the power configuration request. The invention can effectively solve the problem of power configuration of the maximum transmission power of every subdistrict division of a time-division duplex-station descending subdistrict and a common channel and a shared channel under every subdistrict division.
Description
Technical field
The present invention relates to the wireless communication technique field, relate in particular to a kind of method and system of subdistrict division power configuration.
Background technology
Realize Cell Portion (cell portion) down at TDD (time division duplex), can improve the application scenarios of smart antenna, solve networking and covering problem under the complex scene.
At present, the 3GPP agreement also is not provided at the method that TDD realizes Cell Portion power configuration down, comprises the power of sub-district maximum transmission power, common signal channel and shared channel.
Summary of the invention
In view of above-mentioned analysis, the present invention aims to provide a kind of method and system of subdistrict division power configuration, also is not provided at the problem that TDD realizes Cell Portion power configuration down in order to solve the 3GPP agreement that exists in the prior art.
The objective of the invention is to realize through following technical scheme:
The invention provides a kind of method of subdistrict division power configuration, said method comprises:
Steps A: when receiving the power configuration request, calculate the down transmitting power ability maximum of current all cell portions;
Step B: according to said down transmitting power ability maximum, and the cell downlink maximum configured power of being scheduled in the said power configuration request, dispose the actual descending maximum transmission power of current each cell portion;
Step C: according to said down transmitting power ability maximum, and the channel configuration power of being scheduled in the said power configuration request, dispose the actual channel emission power that issues in current each sub-district.
Further, said steps A specifically comprises:
When receiving the cell power configuring request, according to the descending maximum transmission power ability of known current all cell portions, through relatively calculating the down transmitting power ability maximum of current all cell portions.
Further, said step B specifically comprises:
To current each cell portion, calculate its actual descending maximum transmission power according to following formula:
P ' i=Pi – (Pmax – Pconf '); Wherein, P ' i is the actual descending maximum transmission power of i cell portion, and Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions; Pconf ' is the smaller value in Pmax and the said predetermined cell downlink maximum configured power, i=1 ... M, m are the number of current all cell portions.
Further, when said channel was the channel with absolute power configuration, said step C specifically comprised:
To current each cell portion, calculate its actual channel emission power that issues according to following formula:
Pchi=Pchconf+ (Pi – Pmax); Wherein, Pchi is i the actual channel emission power that issues of cell portion, and Pchconf is the predetermined channel configuration power of said channel; Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions, i=1 ... M, m are the number of current all cell portions.
Further, when said channel was the channel with relative power configuration, said step C specifically comprised:
To current each cell portion, calculate its actual Primary Common Control Physical Channel transmitting power that issues according to following formula:
Pchi=Pchconf+ (Pi – Pmax); Wherein, Pchi is i the actual Primary Common Control Physical Channel transmitting power that issues of cell portion, and Pchconf is the predetermined channel configuration power of said channel; Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions, i=1 ... M, m are the number of current all cell portions;
With said Primary Common Control Physical Channel transmitting power power as a reference, said reference power and this channel predetermined configuration power that obtains are sued for peace, obtain the actual channel emission power that issues of this channel.
Wherein, said channel is: common signal channel or shared channel; Said power configuration request comprises: the sub-district is set up request or the cell re-configuration request of putting or Common transport channel and is set up request or Common transport channel reconfiguration request or Physical Shared Channel reconfiguration request.
The present invention also provides a kind of subdistrict division power configuration-system, and said system comprises:
Transmitting element is arranged in the radio network controller, is used to send the power configuration request that carries predetermined cell downlink maximum configured power and channel configuration power;
Receiving element is arranged in the Node B, is used to receive the power configuration request that transmitting element is sent, and predetermined cell downlink maximum configured power and the channel configuration power that carries in the said power configuration request is notified to the power configuration unit;
The power configuration unit; Be arranged in the Node B; Be used to calculate the down transmitting power ability maximum of current all cell portions; Then according to said down transmitting power ability maximum, and predetermined cell downlink maximum configured power in the said power configuration request, dispose the descending maximum transmission power of current each cell portion reality; And according to said down transmitting power ability maximum, and the channel configuration power of being scheduled in the said power configuration request, dispose the actual channel emission power that issues of current each cell portion.
Further, when said channel was the channel with relative power configuration, said transmitting element also was used to send the channel that carries the predetermined channel configuration power of this channel and sets up request message;
Said power configuration unit also is used for; To current each cell portion, calculate its actual Primary Common Control Physical Channel transmitting power that issues: Pchi=Pchconf+ (Pi – Pmax) according to following formula, wherein; Pchi is i the actual Primary Common Control Physical Channel transmitting power that issues of cell portion; Pchconf is the predetermined channel configuration power of said primary common control physical, and Pi is the descending maximum transmission power ability of i cell portion, and Pmax is the down transmitting power ability maximum of current all cell portions; I=1 ... M, m are the number of current all cell portions.
Further; Said power configuration unit is through after calculating the actual Primary Common Control Physical Channel transmitting power that issues of current each cell portion; Said power configuration unit also is used for said Primary Common Control Physical Channel transmitting power power as a reference; Said reference power is sued for peace with set up the predetermined channel configuration power of this channel that obtains the request message from said channel, obtain the actual channel emission power that issues of this channel.
Beneficial effect of the present invention is following: the present invention can effectively solve the power configuration problem of common signal channel, shared channel under maximum transmission power and each cell portion of each cell portion of sub-district under the time division duplex, under the situation of not revising agreement, accomplishes radio network controller and the consistency of Node B for the power use.
Other features and advantages of the present invention will be set forth in specification subsequently, and from specification, becoming of part is obvious, perhaps understands through 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
Fig. 1 is the schematic flow sheet of the method for the invention first embodiment;
Fig. 2 is the schematic flow sheet of the method for the invention second embodiment;
Fig. 3 is the schematic flow sheet of the method for the invention the 3rd embodiment;
Fig. 4 is the structural representation of the said system of the embodiment of the invention.
Embodiment
Specifically describe preferential embodiment of the present invention below in conjunction with accompanying drawing, wherein, accompanying drawing constitutes the application's part, and is used to explain principle of the present invention with embodiments of the invention.
At first combine accompanying drawing that the said method of the embodiment of the invention is elaborated.The present invention is applicable to the channel that disposes with absolute power mode or relative power mode, and said channel can be common signal channel, also can be shared channel.
Understanding the present invention for clearer, is that example is illustrated with TD-SCDMA (TD SDMA) system below.In addition, the said method and system of the embodiment of the invention both had been applicable to that the sub-district set up process, were applicable to that also cell re-configuration puts process, because the message that the sub-district is set up is too simple, therefore literary composition directly is changed to example with cell re-configuration and is illustrated in the back.
As shown in Figure 1, Fig. 1 is the schematic flow sheet of the method for the invention first embodiment, specifically can comprise the steps:
Step 101:RNC (radio network controller) sends cell re-configuration to NodeB (Node B) and puts request; Carry predetermined cell downlink maximum configured power and Primary Common Control Physical Channel allocating power in the said reconfiguration request; Such as; Cell downlink maximum configured power P conf can be 33dBm, and PCCPCH (Primary Common Control Physical Channel) allocating power can be Pchconf:28dBm; Here, said descending maximum configured power and Primary Common Control Physical Channel allocating power are fixed span in the 3GPP agreement, and the embodiment of the invention is that example describes with two values commonly used only.
Step 102:NodeB receives that cell re-configuration puts request message; According to Pmax=max{P1; P2; Pm} calculates the Cell Portion power that has descending maximum capacity among current all Cell Portion (cell portion), the down transmitting power ability maximum Pmax of promptly current all Cell Portion;
Such as, to set this sub-district and have 3 Cell Portion, its descending maximum transmission power ability is respectively:
Cell Portion1:CP1, descending maximum transmission power ability P1 is: 30dBm;
Cell Portion2:CP2, descending maximum transmission power ability P2 is: 30dBm;
Cell Portion3:CP3, descending maximum transmission power ability P3 is: 37dBm;
Can learn among 3 Cell Portion that through comparison operation that have maximum capacity is Cell Portion3, its descending maximum transmission power ability P3 is 37dBm, that is, and and Pmax=37dBm.
Step 103: calculate the actual descending maximum transmission power of current each Cell Portion according to following formula;
P ' i=Pi – (Pmax – Pconf '); (i=1 ... M), wherein, P ' i is the actual descending maximum transmission power of i Cell Portion; Pi is the descending maximum transmission power ability of current i cell portion; Pconf '=min{Pmax, Pconf}, i.e. smaller value in Pmax and the predetermined cell downlink maximum configured power;
For above 3 Cell Portion, its actual descending maximum transmission power is respectively:
P’1=30–(37–33)=26dBm；
P’2=30–(37–33)=26dBm；
P’2=37–(37–33)=33dBm。
Step 104: calculate the actual Primary Common Control Physical Channel transmitting power that issues of current each Cell Portion according to following formula;
Pchi=Pchconf+ (Pi-Pmax); Wherein, Pchi is CPi (i=1,2; 3) the actual Primary Common Control Physical Channel transmitting power that issues; Pchconf is the Primary Common Control Physical Channel allocating power, and Pi is the descending maximum transmission power ability of current i cell portion, and Pmax is the down transmitting power ability maximum of current all Cell Portion;
For above 3 Cell Portion, its actual Primary Common Control Physical Channel transmitting power that issues is respectively:
Pch1=28+(30-37)=21dBm;
Pch2=28+(30-37)=21dBm;
Pch3=28+(37-37)=28dBm。
Describe in the face of the method for the invention second embodiment down, the partial parameters identical with first embodiment that wherein relates to is referring to first embodiment.
Step 201:RNC sends cell re-configuration to NodeB and sets up upright request message; Carry predetermined cell downlink maximum configured power and DwPCH (downlink pilot frequency channel) allocating power in the said reconfiguration request; Such as; Cell downlink maximum configured power P conf can be 33dBm, and downlink pilot frequency channel allocating power Pdwpch can be 30dBm; Here, said descending maximum configured power and downlink pilot frequency channel allocating power are fixed span in the 3GPP agreement, and the embodiment of the invention is that example describes with two values commonly used only.
Step 202:NodeB receives that cell re-configuration puts request message, and calculating the Cell Portion that has descending maximum transmission power ability among current all Cell Portion is Cell Portion3:37dBm, i.e. Pmax=37dBm;
Step 203: calculate the actual descending maximum transmission power of current each Cell Portion according to following formula:
P ' i=Pi-(Pmax-Pconf '), (i=1 ... M), specifically referring to step 103.
Step 204: calculate the actual downlink pilot frequency channel transmitting power that issues of current each Cell Portion according to following formula:
Pdwpchi=Pdwpch-(Pmax-P ' i), wherein, Pdwpchi is the actual downlink pilot frequency channel transmitting power that issues of CPi (i=1,2,3);
For above-mentioned three Cell Portion, its actual downlink pilot frequency channel transmitting power that issues is respectively:
Pdwpch1=Pdwpch-(Pmax-P’1)=30-(37-30)=23dBm;
Pdwpch2=Pdwpch-(Pmax-P’2)=30-(37-30)=23dBm;
Pdwpch3=Pdwpch-(Pmax-P’2)=30-(37-37)=30dBm;
Be that common signal channel or the shared channel power that disposes with absolute power is the explanation that example is carried out the method for the invention above; Common signal channel or shared channel power with the relative power configuration; Need to use the actual Primary Common Control Physical Channel transmitting power that issues of this Cell Portion power as a reference; On the basis of first embodiment, the 3rd embodiment describes to the method for the invention below.
Step 301:RNC sends common signal channel to NodeB and sets up request message, carries SCCPCH (auxiliary publish control physical channel) allocating power Psccpch:0dBm in the said message; Here, said auxiliary publish control physical channel allocating power is fixed span in the 3GPP agreement, can be 0dBm usually.
Step 302:NodeB receives that common signal channel sets up request message, with the actual Primary Common Control Physical Channel transmitting power that issues power as a reference, calculates the actual auxiliary publish control physical channel transmitting power that issues of each Cell Portion;
For above 3 Cell Portion, its actual auxiliary publish control physical channel transmitting power that issues is:
Psccpch1=Pch1+Psccpch=21+0=21dB；
Psccpch2=Pch2+Psccpch=21+0=21dB；
Psccpch3=Pch3+Psccpch=28+0=28dB; Wherein, Psccpchi is the actual auxiliary publish control physical channel transmitting power that issues of CPi (i=1,2,3).
Be example with Primary Common Control Physical Channel, downlink pilot frequency channel and auxiliary publish control physical channel above; The method of the invention is illustrated; With shared channel and common signal channel absolute or the relative power configuration, its processing procedure is identical, no longer too much illustrates here for other.
Below in conjunction with accompanying drawing the said system of the embodiment of the invention is elaborated.
As shown in Figure 4, Fig. 4 is the structural representation of the said system of the embodiment of the invention, specifically can comprise: the transmitting element among the RNC, the receiving element among the NodeB and power configuration unit specify below.
Transmitting element is used to send the cell re-configuration that carries predetermined cell downlink maximum configured power and channel configuration power and puts request, carries predetermined cell downlink maximum configured power and channel configuration power in the said reconfiguration request; When said channel was the channel with relative power configuration, said transmitting element also was used to send the channel that carries this channel predetermined configuration power and sets up request message.
Receiving element is used to receive the cell re-configuration that transmitting element sends and puts request, and predetermined cell downlink maximum configured power and the channel configuration power that carries in the said reconfiguration request is notified to the power configuration unit.
The power configuration unit; When said channel is the channel with absolute power configuration; Said power configuration unit compares calculating through the down transmitting power ability to current all cell portions; Obtain the maximum performance number of downlink ability in current all cell portions, i.e. down transmitting power ability maximum is then according to said down transmitting power ability maximum; And, calculate the actual descending maximum transmission power of current each cell portion according to following formula from predetermined cell downlink maximum configured power and the channel configuration power that receiving element obtains:
P ' i=Pi – (Pmax – Pconf '); (i=1 ... M), wherein, P ' i is the actual descending maximum transmission power of i Cell Portion; Pi is the descending maximum transmission power ability of current i cell portion; Pconf '=min{Pmax, Pconf}, i.e. maximum in Pmax and the predetermined cell downlink maximum configured power;
And the following formula of basis calculates the actual channel emission power that issues of current each cell portion:
Pchi=Pchconf+ (Pi-Pmax); Wherein, Pchi is CPi (i=1,2; 3) the actual Primary Common Control Physical Channel transmitting power that issues; Pchconf is the Primary Common Control Physical Channel allocating power, and Pi is the descending maximum transmission power ability of current i cell portion, and Pmax is the down transmitting power ability maximum of current all Cell Portion.
When said channel is the channel with relative power configuration; Need to use the actual Primary Common Control Physical Channel transmitting power that issues of this cell portion power as a reference; After then said power configuration unit need calculate the actual Primary Common Control Physical Channel transmitting power that issues of current each cell portion through top formula; With said reference power with set up this channel predetermined configuration power that obtains the request message from said channel and sue for peace, finally obtain this its actual channel emission power that issues of channel with the relative power configuration.
The concrete implementation procedure of the said system of relevant the invention described above embodiment elaborates in said method, repeats no more here.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, optional, they can be realized with the executable program code of calculation element; Thereby they are stored in the storage device, carry out by calculation element.Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.The invention is not restricted to any specific hardware and software like this combines.
In sum; The embodiment of the invention provides a kind of method and system of subdistrict division power configuration; The power configuration problem of common signal channel, shared channel under maximum transmission power and each Cell Portion of each Cell Portion of sub-district under the TDD be can effectively solve, RNC and the consistency of NodeB under the situation of not revising agreement, accomplished for the power use.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (10)
1. the method for subdistrict division power configuration is characterized in that said method comprises:
Steps A: when receiving the power configuration request, calculate the down transmitting power ability maximum of current all cell portions;
Step B: according to said down transmitting power ability maximum, and the cell downlink maximum configured power of being scheduled in the said power configuration request, dispose the actual descending maximum transmission power of current each cell portion;
Step C: according to said down transmitting power ability maximum, and the channel configuration power of being scheduled in the said power configuration request, dispose the actual channel emission power that issues in current each sub-district.
2. method according to claim 1 is characterized in that, said steps A specifically comprises:
When receiving the cell power configuring request, according to the descending maximum transmission power ability of known current all cell portions, through relatively calculating the down transmitting power ability maximum of current all cell portions.
3. method according to claim 1 is characterized in that, said step B specifically comprises:
To current each cell portion, calculate its actual descending maximum transmission power according to following formula:
P ' i=Pi – (Pmax – Pconf '); Wherein, P ' i is the actual descending maximum transmission power of i cell portion, and Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions; Pconf ' is the smaller value in Pmax and the said predetermined cell downlink maximum configured power, i=1 ... M, m are the number of current all cell portions.
4. according to any described method in the claim 1 to 3, it is characterized in that when said channel was the channel with absolute power configuration, said step C specifically comprised:
To current each cell portion, calculate its actual channel emission power that issues according to following formula:
Pchi=Pchconf+ (Pi – Pmax); Wherein, Pchi is i the actual channel emission power that issues of cell portion, and Pchconf is the predetermined channel configuration power of said channel; Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions, i=1 ... M, m are the number of current all cell portions.
5. according to any described method in the claim 1 to 3, it is characterized in that when said channel was the channel with relative power configuration, said step C specifically comprised:
To current each cell portion, calculate its actual Primary Common Control Physical Channel transmitting power that issues according to following formula:
Pchi=Pchconf+ (Pi – Pmax); Wherein, Pchi is i the actual Primary Common Control Physical Channel transmitting power that issues of cell portion, and Pchconf is the predetermined channel configuration power of said channel; Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions, i=1 ... M, m are the number of current all cell portions;
With said Primary Common Control Physical Channel transmitting power power as a reference, said reference power and this channel predetermined configuration power that obtains are sued for peace, obtain the actual channel emission power that issues of this channel.
6. according to any described method in the claim 1 to 3, it is characterized in that said channel is: common signal channel or shared channel.
7. according to any described method in the claim 1 to 3; It is characterized in that said power configuration request comprises: the sub-district is set up request or the cell re-configuration request of putting or Common transport channel and is set up request or Common transport channel reconfiguration request or Physical Shared Channel reconfiguration request.
8. a subdistrict division power configuration-system is characterized in that, said system comprises:
Transmitting element is arranged in the radio network controller, is used to send the power configuration request that carries predetermined cell downlink maximum configured power and channel configuration power;
Receiving element is arranged in the Node B, is used to receive the power configuration request that transmitting element is sent, and predetermined cell downlink maximum configured power and the channel configuration power that carries in the said power configuration request is notified to the power configuration unit;
The power configuration unit; Be arranged in the Node B; Be used to calculate the down transmitting power ability maximum of current all cell portions; Then according to said down transmitting power ability maximum, and predetermined cell downlink maximum configured power in the said power configuration request, dispose the descending maximum transmission power of current each cell portion reality; And according to said down transmitting power ability maximum, and the channel configuration power of being scheduled in the said power configuration request, dispose the actual channel emission power that issues of current each cell portion.
9. system according to claim 8 is characterized in that, when said channel was the channel with relative power configuration, said transmitting element also was used to send the channel that carries the predetermined channel configuration power of this channel and sets up request message;
Said power configuration unit also is used for, and to current each cell portion, calculates its actual Primary Common Control Physical Channel transmitting power that issues according to following formula:
Pchi=Pchconf+ (Pi – Pmax); Wherein, Pchi is i the actual Primary Common Control Physical Channel transmitting power that issues of cell portion, and Pchconf is the predetermined channel configuration power of said primary common control physical; Pi is the descending maximum transmission power ability of i cell portion; Pmax is the down transmitting power ability maximum of current all cell portions, i=1 ... M, m are the number of current all cell portions.
10. system according to claim 9; It is characterized in that; Said power configuration unit is through after calculating the actual Primary Common Control Physical Channel transmitting power that issues of current each cell portion; Said power configuration unit also is used for said Primary Common Control Physical Channel transmitting power power as a reference; Said reference power is sued for peace with set up the predetermined channel configuration power of this channel that obtains the request message from said channel, obtain the actual channel emission power that issues of this channel.
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| CN102209375A (en) * | 2010-03-31 | 2011-10-05 | 爱立信电话股份有限公司 | Method for setting downlink channel power and equipment implementing same |
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| CN1705247A (en) * | 2004-06-03 | 2005-12-07 | 大唐移动通信设备有限公司 | Method for configuring down channel transmission power of multiaerial system |
| EP1713290A1 (en) * | 2005-01-12 | 2006-10-18 | Huawei Technologies Co., Ltd. | Separated base station system, network organizing method and baseband unit |
| CN1901393A (en) * | 2006-07-26 | 2007-01-24 | 华为技术有限公司 | System and method for regulating far end radio frequency unit power and far end radio frequency unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705247A (en) * | 2004-06-03 | 2005-12-07 | 大唐移动通信设备有限公司 | Method for configuring down channel transmission power of multiaerial system |
| EP1713290A1 (en) * | 2005-01-12 | 2006-10-18 | Huawei Technologies Co., Ltd. | Separated base station system, network organizing method and baseband unit |
| CN1901393A (en) * | 2006-07-26 | 2007-01-24 | 华为技术有限公司 | System and method for regulating far end radio frequency unit power and far end radio frequency unit |
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