CN101277133B - 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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- CN101277133B CN101277133B CN2008100278416A CN200810027841A CN101277133B CN 101277133 B CN101277133 B CN 101277133B CN 2008100278416 A CN2008100278416 A CN 2008100278416A CN 200810027841 A CN200810027841 A CN 200810027841A CN 101277133 B CN101277133 B CN 101277133B
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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
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 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) the SCCPCH power of configuration 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 determining FACH that obtains from the 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 deficiency of 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 said FACH of power rank calculation of parameter of said 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 said 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 said FACH;
Memory module is used to store the power rank parameter of the FACH that said receiver module receives;
Computing module is used for according to the power of the said FACH of power rank calculation of parameter of said FACH and the power of Secondary Common Control Physical Channel SCCPCH.
Said system also comprises:
Module is set, is used to be provided with the power rank parameter of forward access channel FACH.
Can find out by such scheme; This programme sends to NodeB through RNC with the power rank parameter of FACH, and said Node B confirms the power of FACH according to described power rank parameter, thereby calculates the power that obtains SCCPCH; Said FACH power rank parameter can figuration, transmission path loss wait its power are set according to the transmission block of FACH size, FACH; Like this, can the power configuration of FACH power and SCCPCH 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 with reference to Fig. 1, be the flow chart of first embodiment of the control method of a kind of FACH power and SCCPCH power of the present invention, said method comprises:
S101, the power rank parameter of forward access channel FACH is set;
The power rank parameter of said FACH is carried in the frame of said 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 confirm 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 said FACH, said FACH, transmission path loss.
Transmission block coding gain according to said FACH is confirmed FACH power, just confirms 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; Transmission path loss information according to recording is confirmed power, and 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 said FACH of power rank calculation of parameter of said 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 said FACH of power rank calculation of parameter of said FACH.
With reference to Fig. 2, be the flow chart of first embodiment of a kind of FACH power calculation of the present invention method please, said method comprises:
The difference of the power rank parameter of s201, the maximum transmission power that calculates said SCCPCH and said FACH;
S202, judge that NBAP signaling Common transport channel sets up the maximum transmission power that whether has disposed said 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, said FACH power are said difference;
The maximum transmission power of s204, more said FACH and the size of said 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).Said " Transmit Power Level " carries in user plane FACH frame.
With reference to Fig. 3, be the flow chart of second embodiment of a kind of FACH power calculation of the present invention method please, said method comprises:
The difference of the power rank parameter of s301, the said FACH maximum transmission power of calculating and said FACH;
S302,, the maximum transmission power of said FACH is mandatory parameter, the size of then more said SCCPCH maximum transmission power and said difference in the request message if setting up at NBAP signaling Common transport channel;
S303, obtain above-mentioned comparative result, said 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-Transmit Power Level}.Said Transmit Power Level carries in user plane FACH frame.
The above FACH power definition is the solid size road power that is mapped to SCCPCH.
With reference to Fig. 4, be the flow chart of a kind of SCCPCH power calculation of the present invention method please, said method comprises:
The maximum power of s401, comparison PCH PCH and the size of said FACH power;
S402, obtain the maximum of comparative result;
The power of s403, said SCCPCH is the maximum of this comparative result.
The actual emission power that the power of said SCCPCH is SCCPCH is by power decision maximum in the transmission channel of its carrying, i.e. 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.
With reference to Fig. 5, be the control system structural representation of a kind of FACH power and SCCPCH power of the present invention please, said system 1 comprises:
The said 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 said FACH, said FACH, transmission path loss.
The power rank parameter that the FACH power rank parameter here 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;
Here, the power rank parameter of RNC access channel FACH before base station node B sends.
Node B receives the power rank parameter of said FACH.
Said 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 power rank parameter of maximum transmission power and the said FACH of said SCCPCH;
If NBAP signaling Common transport channel sets up the maximum transmission power that has disposed said FACH in the request message, the size of the maximum transmission power of more said FACH and said difference then, FACH power is the minimum value of this comparative result; Otherwise said FACH power is said difference;
If setting up at NBAP signaling Common transport channel, the maximum transmission power of said FACH is mandatory parameter in the request message, the size of then more said SCCPCH power and said difference, and said 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 said FACH power calculation unit the power of SCCPCH is calculated.
Compare the maximum power of PCH PCH and the size of said FACH power, the power of said SCCPCH is the maximum of this comparative result.
The actual emission power that the power of said SCCPCH is SCCPCH is by power decision maximum in the transmission channel of its carrying, i.e. 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 GSM, through software upgrading is realized above-mentioned functions.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. the control method of a 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 said FACH of power rank calculation of parameter of said FACH and the power of Secondary Common Control Physical Channel SCCPCH;
FACH power calculation method may further comprise the steps:
1) difference of the power rank parameter of the maximum transmission power of the said SCCPCH of calculating and said FACH;
2) judge that NBAP signaling Common transport channel sets up the maximum transmission power that whether has disposed said FACH in the request message, if be judged as not, then execution in step 3), be execution in step 4 if be judged as);
3) said FACH power is said difference;
4) size of the maximum transmission power of more said FACH and said difference;
5) obtain above-mentioned comparative result, FACH power is the minimum value of this comparative result;
SCCPCH power calculation method method may further comprise the steps:
1) compares the maximum power of PCH PCH and the size of said FACH power;
2) obtain the maximum of comparative result;
3) power of said SCCPCH is the maximum of this comparative result.
2. method according to claim 1 also comprises step before the power rank parameter of forward access channel FACH being sent to the step of base station node B at said radio network controller (RNC): the power rank parameter that forward access channel FACH is set.
3. method according to claim 2, the said 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 said FACH, said FACH, transmission path loss.
4. method according to claim 2, said base station node B comprises according to the step of the power of the power of the said FACH of power rank calculation of parameter of said FACH and Secondary Common Control Physical Channel SCCPCH:
Calculate the difference of power rank parameter of maximum transmission power and the said FACH of said SCCPCH;
If NBAP signaling Common transport channel sets up the maximum transmission power that has disposed said FACH in the request message, the size of the maximum transmission power of more said FACH and said difference then, FACH power is the minimum value of this comparative result; Otherwise said FACH power is said difference;
Compare the maximum power of PCH PCH and the size of said FACH power, the power of said SCCPCH is the maximum of this comparative result.
5. method according to claim 2, said base station node B comprises according to the step of the power of the power of the said FACH of power rank calculation of parameter of said FACH and Secondary Common Control Physical Channel SCCPCH:
Calculate the difference of the power rank parameter of said FACH maximum transmission power and said FACH;
If setting up at NBAP signaling Common transport channel, the maximum transmission power of said FACH is mandatory parameter in the request message, the size of then more said SCCPCH maximum transmission power and said difference, and said FACH power is the minimum value of this comparative result;
Compare the maximum power of PCH PCH and the size of said FACH power, the power of said 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 said FACH is carried in the frame of said FACH.
7. the control system of a FACH power and SCCPCH power comprises:
Sending module is used for the power rank parameter to base station node B transmission forward access channel FACH;
Receiver module is used to receive the power rank parameter of said FACH;
Memory module is used to store the power rank parameter of the FACH that said receiver module receives;
Computing module is used for according to the power of the said FACH of power rank calculation of parameter of said FACH and the power of Secondary Common Control Physical Channel SCCPCH;
FACH power calculation method may further comprise the steps:
1) difference of the power rank parameter of the maximum transmission power of the said SCCPCH of calculating and said FACH;
2) judge that NBAP signaling Common transport channel sets up the maximum transmission power that whether has disposed said FACH in the request message, if be judged as not, then execution in step 3), be that then execution in step 4 if be judged as);
3) said FACH power is said difference;
4) size of the maximum transmission power of more said FACH and said difference;
5) obtain above-mentioned comparative result, FACH power is the minimum value of this comparative result;
SCCPCH power calculation method method may further comprise the steps:
1) compares the maximum power of PCH PCH and the size of said FACH power;
2) obtain the maximum of comparative result;
3) power of said SCCPCH is the maximum of this comparative result.
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 said 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 said FACH, said FACH, transmission path loss.
10. system according to claim 8, said 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 said FACH power calculation unit the power of SCCPCH is calculated;
FACH power calculation method may further comprise the steps:
1) difference of the power rank parameter of the maximum transmission power of the said SCCPCH of calculating and said FACH;
2) judge that NBAP signaling Common transport channel sets up the maximum transmission power that whether has disposed said FACH in the request message, if be judged as not, then execution in step 3), be that then execution in step 4 if be judged as);
3) said FACH power is said difference;
4) size of the maximum transmission power of more said FACH and said difference;
5) obtain above-mentioned comparative result, FACH power is the minimum value of this comparative result;
SCCPCH power calculation method method may further comprise the steps:
1) compares the maximum power of PCH PCH and the size of said FACH power;
2) obtain the maximum of comparative result;
3) power of said SCCPCH is the maximum of this comparative result.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1433174A (en) * | 2002-01-07 | 2003-07-30 | 华为技术有限公司 | Method of realizing the selection from paging channel and auxiliary common control physical channel |
| CN1870813A (en) * | 2005-05-26 | 2006-11-29 | 华为技术有限公司 | Channel priority dispatching and service priovity dispatching implementing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1433174A (en) * | 2002-01-07 | 2003-07-30 | 华为技术有限公司 | Method of realizing the selection from paging channel and auxiliary common control physical channel |
| CN1870813A (en) * | 2005-05-26 | 2006-11-29 | 华为技术有限公司 | Channel priority dispatching and service priovity dispatching implementing method |
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