CN101277133A - Control method and system for FACH power and SCCPCH power - Google Patents
Control method and system for FACH power and SCCPCH power Download PDFInfo
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- CN101277133A CN101277133A CNA2008100278416A CN200810027841A CN101277133A CN 101277133 A CN101277133 A CN 101277133A CN A2008100278416 A CNA2008100278416 A CN A2008100278416A CN 200810027841 A CN200810027841 A CN 200810027841A CN 101277133 A CN101277133 A CN 101277133A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention relates to a mobile communication field, and discloses a method for controlling the FACH power and the SCCPCH power. The method comprises the following procedures: transmitting the power grade parameter of the forward access channel FACH by a radio network controller RNC to a base station Node B; and calculating the power of the FACH and the power of the secondary common control physical channel SCCPCH by the base station Node B according to the power grade parameter. At the same time, the invention also discloses a corresponding system. The power of FACH and power of the SCCPCH can be adjusted to the appropriate magnitude through the method and system for controlling the power of the FACH and the power of the SCCPCH thereby reducing the interference and increasing the capability to obtain the effective utilization of the power.
Description
Technical field
The present invention relates to mobile communication, relate in particular to a kind of control method and system of FACH power and SCCPCH power.
Background technology
At TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, the CDMA (Code Division Multiple Access) that time-division is synchronous) in the system, according to the 3GPP agreement, Common transport channel FACH (Forward Access Channel, forward access channel) can be mapped on the SCCPCH (SecondaryCommon Control Physical Channel, Secondary Common Control Physical Channel).General implementation is at present, Node B directly uses RNC (Radio Network Controller, radio network controller) Pei Zhi SCCPCH power is in the emission of eating dishes without rice or wine, and not using the power rank parameter of transmission channel, it may further comprise the steps, and: RNC directly disposes the power of the SCCPCH of Node B; Generate the power of FACH according to the power control information of SCCPCH; The base station is according to the power of the signal quality measured parameter decision FACH that obtains from terminal.
The power of SCCPCH does not change with the FACH transmission block size of its carrying in the prior art.In addition, in the TD-SCDMA system, FACH can also carry out figuration, and whether figuration does not change SCCPCH power with FACH yet in the prior art.Like this, can cause the waste of power, increase unnecessary interference simultaneously.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of this invention is to provide a kind of control method and system of FACH power and SCCPCH power, realized effective utilization of power.
A kind of control method of FACH power and SCCPCH power comprises:
Radio network controller (RNC) sends to base station node B with the power rank parameter of forward access channel FACH;
Base station node B is according to the power of the described FACH of power rank calculation of parameter of described FACH and the power of Secondary Common Control Physical Channel SCCPCH.
Also comprise before the power rank parameter of forward access channel FACH being sent to the step of base station node B at described radio network controller (RNC):
The power rank parameter of forward access channel FACH is set.
A kind of control system of FACH power and SCCPCH power comprises:
Sending module is used for the power rank parameter of access channel FACH before base station node B sends;
Receiver module is used to receive the power rank parameter of described FACH;
Memory module is used to store the power rank parameter of the FACH that described receiver module receives;
Computing module is used for according to the power of the described FACH of power rank calculation of parameter of described FACH and the power of Secondary Common Control Physical Channel SCCPCH.
Described system also comprises:
Module is set, is used to be provided with the power rank parameter of forward access channel FACH.
By such scheme as can be seen, this programme sends to NodeB by RNC with the power rank parameter of FACH, described Node B determines the power of FACH according to described power rank parameter, thereby calculate the power that obtains SCCPCH, described FACH power rank parameter can figuration, transmission path loss wait its power are set according to the transmission block size of FACH, FACH, like this, the power configuration of FACH power and SCCPCH can be arrived suitable size, disturb thereby reduce, the raising capacity is to reach effective utilization of power.
Description of drawings
Fig. 1 is the flow chart of first embodiment of the control method of a kind of FACH power and SCCPCH power of the present invention;
Fig. 2 is the flow chart of first embodiment of a kind of FACH power calculation of the present invention method;
Fig. 3 is the flow chart of second embodiment of a kind of FACH power calculation of the present invention method;
Fig. 4 is the flow chart of a kind of SCCPCH power calculation of the present invention method;
Fig. 5 is the structural representation of the control system of a kind of FACH power and SCCPCH power of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of this programme is described.
Please refer to Fig. 1, is the flow chart of first embodiment of the control method of a kind of FACH power and SCCPCH power of the present invention, and described method comprises:
S101, the power rank parameter of forward access channel FACH is set;
The power rank parameter of described FACH is carried in the frame of described FACH, can directly adopt vendor equipment that the power rank parameter of FACH is provided, also can be according to the transmission block size, figuration, user's path loss wait to determine the power rank parameter of FACH.
The power rank parameter that forward access channel FACH is set can be according to one of following factor or its combination in any:
The figuration gain of the transmission block coding gain of described FACH, described FACH, transmission path loss.
Transmission block coding gain according to described FACH is determined FACH power, just determines desired power according to the coding gain of the big or small transmission block of difference, and transmission block is more little, and the through-put power of FACH is more little; If figuration is arranged, then according to figuration gain, suitable reduction power; Determine power according to the transmission path loss information that records, the transmission path loss is more little, and the through-put power of FACH is more little.
S102, radio network controller (RNC) send to base station node B with the power rank parameter of forward access channel FACH;
S103, base station node B are according to the power of the described FACH of power rank calculation of parameter of described FACH and the power of Secondary Common Control Physical Channel SCCPCH.
Below introduce the method for base station node B according to the power of the described FACH of power rank calculation of parameter of described FACH.
Please refer to Fig. 2, is the flow chart of first embodiment of a kind of FACH power calculation of the present invention method, and described method comprises:
The difference of the power rank parameter of s201, the maximum transmission power that calculates described SCCPCH and described FACH;
S202, judge that NBAP signaling Common transport channel sets up the maximum transmission power that whether has disposed described FACH in the request message, if be judged as not, execution in step s203 then if be judged as is, then execution in step s204;
S203, described FACH power are described difference;
The maximum transmission power of s204, more described FACH and the size of described difference;
S205, obtain above-mentioned comparative result, FACH power is the minimum value of this comparative result.
If NBAP (Node B application part) signaling Common transport channel is set up the maximum transmission power (Max FACH Power) that has disposed FACH in the request message, if the power rank parameter of FACH is Transmit Power Level, FACH power=Min{Max FACH Power so, Max SCCPCHPower-Transmit Power Level}; Otherwise, FACH power=(Max SCCPCH Power-Transmit Power Level).Described " Transmit Power Level " carries in user's face FACH frame.
Please refer to Fig. 3, is the flow chart of second embodiment of a kind of FACH power calculation of the present invention method, and described method comprises:
The difference of the power rank parameter of s301, the described FACH maximum transmission power of calculating and described FACH;
S302,, the maximum transmission power of described FACH is mandatory parameter, the size of then more described SCCPCH maximum transmission power and described difference in the request message if setting up at NBAP signaling Common transport channel;
S303, obtain above-mentioned comparative result, described FACH power is the minimum value of this comparative result.
If setting up at NBAP signaling Common transport channel, the maximum transmission power (Max FACH Power) of regulation FACH is mandatory parameter in the request message, FACH power=Min{Max SCCPCH Power so, Max FACH Power-Transmr Power Level}.Described Transmit Power Level carries in user's face FACH frame.
The above FACH power definition is the solid size road power that is mapped to SCCPCH.
Please refer to Fig. 4, is the flow chart of a kind of SCCPCH power calculation of the present invention method, and described method comprises:
The maximum power of s401, comparison paging channel PCH and the size of described FACH power;
S402, obtain the maximum of comparative result;
The power of s403, described SCCPCH is the maximum of this comparative result.
The power of described SCCPCH is the actual emission power of SCCPCH by power decision maximum in the transmission channel of its carrying, be Max{PCH Power, FACH1 Power, FACH2 Power .., FACHnPower}, FACH1 wherein, FACH2 ..., the FACHn wattmeter is shown the different FACH channel powers in the TTI, can be calculated by above-mentioned FACH power calculation method.
Please refer to Fig. 5, is the control system structural representation of a kind of FACH power and SCCPCH power of the present invention, and described system 1 comprises:
The described power rank parameter that forward access channel FACH is set can be according to one of following factor or its combination in any:
The figuration gain of the transmission block coding gain of described FACH, described FACH, transmission path loss.
The power rank parameter that FACH power rank parameter herein also can directly adopt manufacturer to establish to provide.
Sending module 20 is used for the power rank parameter of access channel FACH before base station node B sends;
Herein, the power rank parameter of RNC access channel FACH before base station node B sends.
Node B receives the power rank parameter of described FACH.
Described computing module 50 comprises:
FACH power calculation unit 51 is used for calculating according to the power rank parameter of the described FACH power to FACH;
Calculate the difference of the power rank parameter of the maximum transmission power of described SCCPCH and described FACH;
If NBAP signaling Common transport channel sets up the maximum transmission power that has disposed described FACH in the request message, the size of the maximum transmission power of more described FACH and described difference then, FACH power is the minimum value of this comparative result; Otherwise described FACH power is described difference;
If setting up at NBAP signaling Common transport channel, the maximum transmission power of described FACH is mandatory parameter in the request message, the size of then more described SCCPCH power and described difference, and described FACH power is the minimum value of this comparative result.
SCCPCH power calculation unit 52 is used for calculating the FACH power that obtained according to described FACH power calculation unit the power of SCCPCH is calculated.
Compare the maximum power of paging channel PCH and the size of described FACH power, the power of described SCCPCH is the maximum of this comparative result.
The power of described SCCPCH is the actual emission power of SCCPCH by power decision maximum in the transmission channel of its carrying, be Max{PCH Power, FACH1 Power, FACH2 Power .., FACHnPower}, FACH1 wherein, FACH2 ..., the FACHn wattmeter is shown the different FACH channel powers in the TTI, can be calculated by above-mentioned FACH power calculation method.
This programme also can be used for not influencing under the situation that interconnects of existing equipment based on existing system mechanism and protocol architecture in the existing TD-SCDMA mobile communication system, by software upgrading is realized above-mentioned functions.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1, a kind of control method of FACH power and SCCPCH power comprises:
Radio network controller (RNC) sends to base station node B with the power rank parameter of forward access channel FACH;
Base station node B is according to the power of the described FACH of power rank calculation of parameter of described FACH and the power of Secondary Common Control Physical Channel SCCPCH.
2, method according to claim 1 sends to the power rank parameter of forward access channel FACH at described radio network controller (RNC) and also comprises step before the step of base station node B:
The power rank parameter of forward access channel FACH is set.
3, method according to claim 2, the described power rank parameter that forward access channel FACH is set can be according to one of following factor or its combination in any:
The figuration gain of the transmission block coding gain of described FACH, described FACH, transmission path loss.
4, method according to claim 2, described base station node B comprises according to the step of the power of the power of the described FACH of power rank calculation of parameter of described FACH and Secondary Common Control Physical Channel SCCPCH:
Calculate the difference of the power rank parameter of the maximum transmission power of described SCCPCH and described FACH;
If NBAP signaling Common transport channel sets up the maximum transmission power that has disposed described FACH in the request message, the size of the maximum transmission power of more described FACH and described difference then, FACH power is the minimum value of this comparative result; Otherwise described FACH power is described difference;
Compare the maximum power of paging channel PCH and the size of described FACH power, the power of described SCCPCH is the maximum of this comparative result.
5, method according to claim 2, described base station node B comprises according to the step of the power of the power of the described FACH of power rank calculation of parameter of described FACH and Secondary Common Control Physical Channel SCCPCH:
Calculate the difference of the power rank parameter of described FACH maximum transmission power and described FACH;
If setting up at NBAP signaling Common transport channel, the maximum transmission power of described FACH is mandatory parameter in the request message, the size of then more described SCCPCH maximum transmission power and described difference, and described FACH power is the minimum value of this comparative result;
Compare the maximum power of paging channel PCH and the size of described FACH power, the power of described SCCPCH is the maximum of this comparative result.
6, according to the described method of 1 to 5 each claim, the power rank parameter of described FACH is carried in the frame of described FACH.
7, a kind of control system of FACH power and SCCPCH power comprises:
Sending module is used for the power rank parameter of access channel FACH before base station node B sends;
Receiver module is used to receive the power rank parameter of described FACH;
Memory module is used to store the power rank parameter of the FACH that described receiver module receives;
Computing module is used for according to the power of the described FACH of power rank calculation of parameter of described FACH and the power of Secondary Common Control Physical Channel SCCPCH.
8, system according to claim 7 also comprises:
Module is set, is used to be provided with the power rank parameter of forward access channel FACH.
9, system according to claim 8, the described power rank parameter that forward access channel FACH is set can be according to one of following factor or its combination in any:
The figuration gain of the transmission block coding gain of described FACH, described FACH, transmission path loss.
10, system according to claim 8, described computing module comprises:
The FACH power calculation unit is used for calculating according to the power rank parameter of the described FACH power to FACH;
The SCCPCH power calculation unit is used for calculating the FACH power that obtained according to described FACH power calculation unit the power of SCCPCH is calculated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100278416A CN101277133B (en) | 2008-04-30 | 2008-04-30 | Control method and system for FACH power and SCCPCH power |
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| CN2008100278416A CN101277133B (en) | 2008-04-30 | 2008-04-30 | Control method and system for FACH power and SCCPCH power |
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| CN101277133B CN101277133B (en) | 2012-07-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155421A1 (en) * | 2011-08-04 | 2012-11-22 | 中兴通讯股份有限公司 | Method and device for sending a paging indicator channel frame |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185817C (en) * | 2002-01-07 | 2005-01-19 | 华为技术有限公司 | Method of realizing the selection from paging channel and auxiliary common control physical channel |
| CN100461943C (en) * | 2005-05-26 | 2009-02-11 | 华为技术有限公司 | Channel priority dispatching and service priovity dispatching implementing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155421A1 (en) * | 2011-08-04 | 2012-11-22 | 中兴通讯股份有限公司 | Method and device for sending a paging indicator channel frame |
| US9380560B2 (en) | 2011-08-04 | 2016-06-28 | Zte Corporation | Method and device for sending a paging indicator channel frame |
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| CN101277133B (en) | 2012-07-04 |
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