CN1845471A - Method and system for realizing uplink power control - Google Patents
Method and system for realizing uplink power control Download PDFInfo
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- CN1845471A CN1845471A CN 200510063241 CN200510063241A CN1845471A CN 1845471 A CN1845471 A CN 1845471A CN 200510063241 CN200510063241 CN 200510063241 CN 200510063241 A CN200510063241 A CN 200510063241A CN 1845471 A CN1845471 A CN 1845471A
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Abstract
The disclosed system for upward power control comprises a RNC and NodeB with a upward inner/outer ring power control module. Wherein, the control method comprises: A. the RNC sends configuration parameters for upward outer ring power control to the NodeB; B. according to received configuration data and terminal upward data, the NodeB measures and states the upward outer ring power control to obtain the expectation value of SNR of different adjusted terminal devices; C. the NodeB sends obtained data to local upward inner ring power control module for control. This invention ensures accurate control and releases load on RNC and Iub interface.
Description
Technical field
The present invention relates to power control techniques, refer to a kind of method and system that realize uplink power control especially.
Background technology
In mobile communication system, uplink power control is called power of reverse link control again, and purpose is to be used for the transmitting power of control terminal, can guarantee that the transmitting power of each terminal equipment is in the most rational state, to save the terminal equipment energy, prolong the terminal equipment battery life.
Uplink power control is divided into open Loop Power control and closed power control, and wherein closed power control can be divided into inner loop power control and exterior ring power control again.
The control of up inner loop power is to assist terminal equipment by base station node B, the transmitting power of terminal equipment is adjusted, thereby make terminal equipment remain optimal transmitting power.In inner loop power control, the signal interference ratio (SIR) of the reverse link traffic channel of NodeB after the regular hour is detected a demodulation is then with signal interference ratio desired value (SIR
Target) compare, if current SIR is higher than SIR
Target, then NodeB sends an instruction that reduces transmitting power to terminal equipment; Otherwise, then send an instruction that increases transmitting power to terminal equipment.Here, participate in the SIR of up inner loop power control
Target, be to obtain after by ascending exterior ring power control the error rate (BER) that measures or Block Error Rate (BLER) dynamically being adjusted, so, have only ascending exterior ring power control accurately could guarantee the accuracy of up inner loop power control better.
In the prior art, ascending exterior ring power control is finished control to the terminal equipment of connection (CELL_DCH) state of having set up dedicated channel by radio network controller (RNC), Fig. 1 is the flow chart of existing techniques in realizing ascending exterior ring power control, all take Fig. 1 flow process to carry out ascending exterior ring power control at different terminal equipments, below to use BLER that a certain terminal equipment is adjusted SIR
TargetBe example, specify the implementation procedure of present ascending exterior ring power control, this process may further comprise the steps:
Step 100:NodeB uploads Frame Protocol (FP) Frame to RNC.
Whether carry out exterior ring power control by RNC control, in this step, the radio frames that NodeB receives self terminal to send is uploaded to RNC through being organized into the FP Frame after the processes such as demodulation.
In this step, after RNC will receive the FP Frame and demodulation that reports after the NodeB modulation, value according to the sign of each data transmission block (TB) corresponding redundancy verification in the FP Frame (CRCI) is judged correcting errors of TB piece, and correct TB piece number and wrong TB piece number are added up respectively.Such as: if CRCI=1, expression TB piece is wrong, the quantity N of the TB piece of mistake
ErrorAdd one; If CRCI=0, expression TB piece is correct, the quantity N of correct TB piece
CorrectAdd one.
In this step, after statistic window is filled up, promptly arrive default measure measurement period after, according to the quantity of the quantity of the TB piece of the mistake of statistics and correct TB piece, calculate the TB piece that receives altogether and count N
Total, formula is: N
Total=N
Error+ N
Correct, so,
BLER＝N
error/N
total×100％
BLER wherein
ThBe the default Block Error Rate threshold value of RNC, Up_th is the default BLER of RNC
ThThe fluctuation higher limit, Dw_th is the default BLER of RNC
ThThe fluctuation lower limit.
Step 106: increase SIR according to the default step-length that raises
Target, i.e. SIR
Target=SIR
Target+ raise step-length, enter step 109 afterwards.
Step 107: reduce SIR according to default downward modulation step-length
Target, i.e. SIR
Target=SIR
Target-downward modulation step-length enters step 109 afterwards.
Step 108: do not adjust SIR
Target, enter next step afterwards.
Step 109: empty statistic window.
Above step 101～step 109 is FP Frames that the RNC basis receives, and carries out the measurement statistics of ascending exterior ring power control in this locality, obtains adjusted SIR
TargetProcess.
The SIR that step 110:RNC will obtain after will adjusting
TargetBe handed down to NodeB.
In this step, RNC is with adjusted SIR
TargetBy the Iub interface between NodeB and the RNC, be carried in the ascending exterior ring power control frame and be handed down to NodeB, the NodeB adjusted SIR that receives
TargetUpgrade the SIR that up inner loop power control is used
Target
In the above prior art, ascending exterior ring power control realizes at RNC, the FP Frame that RNC uploads according to NodeB carries out the BLER statistics, the control of realization ascending exterior ring power, and by the Iub interface between NodeB and the RNC, send adjusted SIRtarget to NodeB by the ascending exterior ring power control frame, used for the up inner loop power control of NodeB.
From above-mentioned existing processing method, this method has following shortcoming:
(1) as can be seen, RNC need measure statistics for the terminal equipment of all the CELL_DCH states in its administration, has increased the weight of the burden of RNC from step 101～step 109.
(2) BLER that counts of RNC measurement may be not accurate enough, timely.
Such as: the wrong Frame that NodeB inside demodulates, empty Frame or Special Burst etc., NodeB may not can report RNC, and these Frames can influence the measurement statistics of ascending exterior ring power control.For example, it is wrong having a TB piece at least in the wrong Frame, should be put into mistake TB piece scope of statistics, and from step 100 as can be seen, prior art is to measure statistical disposition with doing after being uploaded to RNC at the FP Frame after the NodeB demodulation again, may cause because wrong Frame is not uploaded to RNC like this and measure the inaccurate of statistics;
Also have, also do not get rid of the situation that the Iub interface between NodeB and the RNC is lost up FP Frame, like this, the BLER that RNC counts according to the up FP Frame that receives may be not accurate enough;
In addition, prior art is uploaded the FP Frame by the Iub interface between NodeB and the RNC, also issues ascending exterior ring power by this interface and controls adjusted SIR
Target, increased the burden of Iub interface, may cause ascending exterior ring power to control adjusted SIR
TargetIssue untimely.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that realizes uplink power control, this method can be avoided the measurement mistake of statistics of makeing mistakes and causing owing to the NodeB demodulation, make ascending exterior ring power control more accurately, in time, can alleviate simultaneously the burden of RNC and Iub interface, up inner loop power control is finished timely and accurately.
Another object of the present invention is to provide a kind of system that realizes uplink power control, this system configuration is simple, and can accurately and timely finish ascending exterior ring power control.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method that realizes uplink power control is characterized in that, this method may further comprise the steps:
A. radio network controller (RNC) issues ascending exterior ring power to base station node B and controls used configuration parameter;
B.NodeB is according to the configuration parameter that receives, and the upstream data that sends according to terminal in this locality carries out the measurement statistics of ascending exterior ring power control, obtains the adjusted signal interference ratio desired value of each terminal equipment;
C.NodeB should adjusted signal interference ratio desired value send to local up inner loop power control module, keeps supplying capable inner loop power control module the up inner loop power of each terminal equipment is controlled.
In steps A, described RNC issues ascending exterior ring power control to NodeB: when Radio Link connected, RNC controlled described ascending exterior ring power and is carried at Radio Link with configuration parameter and sets up in the DCH metrical information item that request message increases and be handed down to NodeB.
In steps A, described RNC issues described ascending exterior ring power to NodeB and controls the method for used configuration parameter and be: when reconfiguring Radio Link, RNC controls DCH that used configuration parameter is carried at synchronized reconfiguration Radio Link request message with described ascending exterior ring power and revises in the DCH metrical information item that item of information increased down and be handed down to NodeB.
In steps A, described RNC issues described ascending exterior ring power to NodeB and controls the method for used configuration parameter and be: after Radio Link was set up, RNC controlled used configuration parameter with described ascending exterior ring power and is carried in the DCH metrical information item that special measurement initialization request message increased and is handed down to NodeB.
This method also comprises: when the terminal equipment business changed, RNC revised configuration parameter, and amended configuration parameter is carried in the special measurement initialization request message was handed down to NodeB.
This method also comprises: when the terminal equipment business changed, RNC was by the sending measuring abort message, and command N odeB stops to measure.
Described ascending exterior ring power is controlled used configuration parameter and comprised: Block Error Rate threshold value, Block Error Rate threshold value fluctuation higher limit, Block Error Rate threshold value fluctuation lower limit, signal interference ratio desired value raise step value, signal interference ratio desired value downward modulation step value, measure measurement period and measure report cycle.
In step B, NodeB is according to the configuration parameter that receives, and the method for carrying out the measurement statistics of ascending exterior ring power control in this locality is:
A. add up data block number and wrong data block number correct in the upstream data of terminal transmission, and according to correct data block number that obtains and wrong data block number calculating Block Error Rate;
B. if the Block Error Rate that calculates greater than described Block Error Rate threshold value and Block Error Rate threshold value fluctuation higher limit sum, then increases the signal interference ratio desired value according to default signal interference ratio desired value and rise step value; If the Block Error Rate that calculates is poor less than described Block Error Rate threshold value and Block Error Rate threshold value fluctuation lower limit, then reduce the signal interference ratio desired value according to default signal interference ratio desired value and downward modulation step value; Otherwise, do not adjust the signal interference ratio desired value.
Described ascending exterior ring power is controlled used configuration parameter and also comprised: measure the value that reports the mode options, this reports the mode options to comprise and reports and do not report two kinds of selections.
When reporting the mode setting option to carry out being provided with to described measurement, in step C, when the signal interference ratio desired value of ascending exterior ring power control being adjusted at NodeB sent to local up inner loop power control module, this method also comprised:
NodeB judges whether that according to measurement report mode options needs upload the described Block Error Rate that calculates,
If this measurement report mode options is set to report, then the described Block Error Rate that calculates is uploaded to RNC according to the described measurement statistical report cycle;
Otherwise, do not report.
A kind of system that realizes uplink power control, this system comprises RNC and NodeB, comprise up inner loop power control module among the described NodeB, be used for each terminal is carried out up inner loop power control that this system also comprises: the ascending exterior ring power control module in NodeB;
This ascending exterior ring power control module be used for according to receive from the configuration parameter that is used for ascending exterior ring power control of RNC with from the FP Frame of each terminal, measure statistics, obtain the adjusted signal interference ratio desired value of each terminal equipment, and the signal interference ratio desired value of gained sent to up inner loop power control module, each terminal equipment is carried out up inner loop power control.
As seen from the above technical solution, this method of carrying out ascending exterior ring power control in NodeB this locality of the present invention, only need RNC to issue ascending exterior ring power to NodeB and control used configuration parameter by existing message, measure statistics in NodeB this locality, thereby finish adjustment to the signal interference ratio desired value, and adjusted signal interference ratio desired value is sent to up inner loop power control module in NodeB this locality, can realize ascending exterior ring power control.This method has guaranteed the accurate, timely of ascending exterior ring power control, has also alleviated the burden of RNC and Iub interface simultaneously.
Description of drawings
Fig. 1 is the flow chart of existing techniques in realizing ascending exterior ring power control;
Fig. 2 is the flow chart that the present invention realizes ascending exterior ring power control;
Fig. 3 is a preferred embodiment of the present invention method flow diagram.
Embodiment
Core concept of the present invention is: issue ascending exterior ring power by RNC to NodeB and control used configuration parameter, measure statistics in NodeB this locality, to finish the adjustment to the signal interference ratio desired value, realize ascending exterior ring power control.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing preferred embodiment that develops simultaneously, the present invention is described in more detail.
Ascending exterior ring power control of the present invention is what to realize in the ascending exterior ring power control module of NodeB, the ascending exterior ring power that the ascending exterior ring power control module issues according to RNC is controlled used configuration parameter, the FP Frame is carried out the BLER statistics, draw adjusted SIR
Target, and should adjusted SIR
TargetSend to the up inner loop power control module of NodeB, used for up inner loop power control.
Fig. 2 is the flow chart that the present invention realizes ascending exterior ring power control, all take flow process shown in Figure 2 to carry out ascending exterior ring power control at different terminal equipments, be example to use BLER that a certain terminal equipment is adjusted SIRtarget below, concrete job step is as follows:
Step 200:RNC issues ascending exterior ring power and controls used configuration parameter to NodeB.
Whether NodeB carries out exterior ring power control is controlled by RNC, in this step, when RNC sends when starting the exterior ring power control command to NodeB, some configuration parameters of using in the ascending exterior ring power control can be handed down to NodeB, these configuration parameters can comprise: Block Error Rate threshold value B LERth, BLERth fluctuation higher limit Up_th, BLERth fluctuation lower limit Dw_th, SIR
TargetRaise step value, SIR
TargetDownward modulation step value, measurement measurement period, measurement report cycle etc.
The present invention, RNC can introduce dual mode below by being handed down to NodeB in the new field that these configuration parameters is carried at existing message:
1) in calling procedure, be divided into two kinds of situations: when 1. setting up Radio Link, RNC can be carried at Radio Link and sets up in the DCH metrical information (DCH Measurement Information) of request (RADIO LINKSETUP REQUEST) message and be handed down to NodeB by ascending exterior ring power being controlled used configuration parameter, here, DCH metrical information item is the newly-added information field; When 2. reconfiguring Radio Link, RNC can revise in the DCH metrical information item under (DCHs To Modify) item of information and is handed down to NodeB by ascending exterior ring power being controlled DCH that used configuration parameter is carried at synchronized reconfiguration Radio Link request (RADIO LINK RECONFIGURATION REQUEST) message, here, DCH metrical information item is the newly-added information field.
2) after Radio Link is set up, RNC can be handed down to NodeB by ascending exterior ring power being controlled in the DCH metrical information item that used configuration parameter is carried at special measurement initialization request (DEDICATED MEASUREMENT INITIONREQUEST) message, here, DCH metrical information item is the newly-added information field.
Need explanation a bit, adopt above-mentioned 2) when mode issues configuration parameter, if DCH metrical information item sign only is used to measure type B LER, promptly only be used for ascending exterior ring power control, measurement report mode options in can also this special measurement initialization request message is set to not report (NoReprot), and this moment, NodeB only measured statistics and with adjusted SIR
TargetSend to local up inner loop power control module, and the BLER that need not to calculate in measuring reports RNC, can reduce the interacting message between RNC and the NodeB, alleviates the burden of Iub interface.
Step 201:NodeB carries out the measurement statistics of ascending exterior ring power control according to the configuration parameter that receives in this locality, obtain adjusted SIR
Target
In this step, the measurement statistical disposition process of ascending exterior ring power control and the processing procedure of prior art step 101～step 109 are in full accord, no longer repeat here.Difference with the prior art only is that this process is finished at RNC in the prior art, and the present invention finishes at NodeB; Owing to finish at NodeB, NodeB need not the FP Frame is modulated in addition, directly measures statistics according to the data of each terminal to report and gets final product.
The processing that the present invention is such, when wrong TB piece number is added up with correct TB piece number, can consider that NodeB can't be uploaded to the wrong Frame that demodulates of RNC, the situation of empty Frame or SpecialBurst etc., make the BLER calculate can the current measurement measurement period of accurate response in the situation of FP Frame BLER, guaranteed SIR
TargetAdjustment, and then can accurately realize the control of ascending exterior ring power.
In addition, RNC do not need to the terminal equipment under each the CELL_DCH state in administering measure statistics, can reduce the burden of RNC so greatly, and NodeB itself will measure the terminal equipment under each CELL_DCH state, and the FP frame data from terminal equipment received of demodulation.
Step 202～step 203:NodeB judges whether and the BLER that calculates need be uploaded to RNC, if do not need, then enters step 204; Otherwise the measurement report cycle in the configuration parameter that issues according to RNC is carried at resulting BLER in the existing special measurement report message and is uploaded to RNC.
In this step, NodeB judges whether that according to the measurement report mode options in the special measurement initialization request message needs upload, if this measurement report mode options is set to periodic report (Periodic), then explanation need be uploaded to RNC periodically with the BLER that calculates according to issuing the measurement report cycle that disposes in the configuration parameter; If this measurement report mode options is set to No Report, then explanation does not need the BLER that will calculate to be uploaded to RNC, and the such processing of the present invention has reduced the interacting message between RNC and the NodeB, has also alleviated the burden of Iub interface simultaneously.
The mode that above-mentioned measurement report mode options is set to No Report is a preferred embodiment of the present invention, i.e. the present invention can save step 202～step 203, and promptly system default does not need the SIR that obtains by the ascending exterior ring power control algolithm in NodeB
TargetBe uploaded to RNC.
The SIR that step 204:NodeB obtains after ascending exterior ring power control is adjusted
TargetSend to local up inner loop power module.
This step is compared with art methods, and NodeB need not to wait for and receives the SIRtarget that ascending exterior ring power control frame that RNC issues carries, and has alleviated the burden of Iub interface like this, has also guaranteed in time with adjusted SIR simultaneously
TargetSend to up interior ring control module.
The aforementioned BLER that does not need to calculate by the ascending exterior ring power control algolithm in NodeB at system default is uploaded to RNC's, the specific implementation step as shown in Figure 3, Fig. 3 is a preferred embodiment of the present invention method flow diagram, step is as follows:
Step 300:RNC issues ascending exterior ring power and controls used configuration parameter to NodeB.
Step 301:NodeB carries out the measurement statistics of ascending exterior ring power control according to the configuration parameter that receives in this locality, obtain adjusted SIR
Target
The SIR that step 302:NodeB obtains after ascending exterior ring power control is adjusted
TargetSend to local up inner loop power module.
Specific implementation process and step 200, step 201 and the step 204 of step 300～step 302 are in full accord, no longer repeat.
The above is the method that the present invention realizes ascending exterior ring power control, and this method has guaranteed the accurate, timely of ascending exterior ring power control, has also alleviated the burden of RNC and Iub interface simultaneously.
Outside, this method can also be revised configuration parameter, and amended configuration parameter is handed down to NodeB in time according to the change of terminal equipment business.Be implemented as follows: variation has taken place in business if RNC finds terminal equipment, needs to revise some configuration parameter of ascending exterior ring power control, can revise configuration parameter and it is carried in the special measurement initialization request message to be handed down to NodeB; Also can stop to measure, just stop to carry out ascending exterior ring power control by measuring abort message command N odeB; By the above-mentioned method that issues parameter of the present invention amended configuration parameter is handed down to NodeB more afterwards.Such processing and since time update configuration parameter, guaranteed the accuracy of ascending exterior ring power control equally.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (11)
1. a method that realizes uplink power control is characterized in that, this method may further comprise the steps:
A. radio network controller (RNC) issues ascending exterior ring power to base station node B and controls used configuration parameter;
B.NodeB is according to the configuration parameter that receives, and the upstream data that sends according to terminal in this locality carries out the measurement statistics of ascending exterior ring power control, obtains the adjusted signal interference ratio desired value of each terminal equipment;
C.NodeB should adjusted signal interference ratio desired value send to local up inner loop power control module, keeps supplying capable inner loop power control module the up inner loop power of each terminal equipment is controlled.
2. method according to claim 1, it is characterized in that, in steps A, described RNC issues ascending exterior ring power control to NodeB: when Radio Link connected, RNC controlled described ascending exterior ring power and is carried at Radio Link with configuration parameter and sets up in the DCH metrical information item that request message increases and be handed down to NodeB.
3. method according to claim 1, it is characterized in that, in steps A, described RNC issues described ascending exterior ring power to NodeB and controls the method for used configuration parameter and be: when reconfiguring Radio Link, RNC controls DCH that used configuration parameter is carried at synchronized reconfiguration Radio Link request message with described ascending exterior ring power and revises in the DCH metrical information item that item of information increased down and be handed down to NodeB.
4. according to playing the described method of claim 1, it is characterized in that, in steps A, described RNC issues described ascending exterior ring power to NodeB and controls the method for used configuration parameter and be: after Radio Link was set up, RNC controlled used configuration parameter with described ascending exterior ring power and is carried in the DCH metrical information item that special measurement initialization request message increased and is handed down to NodeB.
5. according to claim 1 or 4 described methods, it is characterized in that this method also comprises: when the terminal equipment business changed, RNC revised configuration parameter, and amended configuration parameter is carried in the special measurement initialization request message was handed down to NodeB.
6. according to claim 1 or 2 or 3 or 4 described methods, it is characterized in that this method also comprises: when the terminal equipment business changed, RNC was by the sending measuring abort message, and command N odeB stops to measure.
7. method according to claim 1, it is characterized in that described ascending exterior ring power is controlled used configuration parameter and comprised: Block Error Rate threshold value, Block Error Rate threshold value fluctuation higher limit, Block Error Rate threshold value fluctuation lower limit, signal interference ratio desired value raise step value, signal interference ratio desired value downward modulation step value, measure measurement period and measure report cycle.
8. method according to claim 7 is characterized in that, in step B, NodeB is according to the configuration parameter that receives, and the method for carrying out the measurement statistics of ascending exterior ring power control in this locality is:
A. add up data block number and wrong data block number correct in the upstream data of terminal transmission, and according to correct data block number that obtains and wrong data block number calculating Block Error Rate;
B. if the Block Error Rate that calculates greater than described Block Error Rate threshold value and Block Error Rate threshold value fluctuation higher limit sum, then increases the signal interference ratio desired value according to default signal interference ratio desired value and rise step value; If the Block Error Rate that calculates is poor less than described Block Error Rate threshold value and Block Error Rate threshold value fluctuation lower limit, then reduce the signal interference ratio desired value according to default signal interference ratio desired value and downward modulation step value; Otherwise, do not adjust the signal interference ratio desired value.
9. method according to claim 8 is characterized in that, described ascending exterior ring power is controlled used configuration parameter and also comprised: measure the value that reports the mode options, this reports the mode options to comprise and reports and do not report two kinds of selections.
10. method according to claim 9, it is characterized in that, when reporting the mode setting option to carry out being provided with, in step C described measurement, when the signal interference ratio desired value of ascending exterior ring power control being adjusted at NodeB sent to local up inner loop power control module, this method also comprised:
NodeB judges whether that according to measurement report mode options needs upload the described Block Error Rate that calculates,
If this measurement report mode options is set to report, then the described Block Error Rate that calculates is uploaded to RNC according to the described measurement statistical report cycle;
Otherwise, do not report.
11. system that realizes uplink power control, this system comprises RNC and NodeB, comprises up inner loop power control module among the described NodeB, is used for each terminal is carried out up inner loop power control, it is characterized in that this system also comprises in NodeB: the ascending exterior ring power control module;
This ascending exterior ring power control module be used for according to receive from the configuration parameter that is used for ascending exterior ring power control of RNC with from the data of each terminal, measure statistics, obtain the adjusted signal interference ratio desired value of each terminal equipment, and the signal interference ratio desired value of gained sent to up inner loop power control module, each terminal equipment is carried out up inner loop power control.
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| CNB2005100632411A CN100534003C (en) | 2005-04-07 | 2005-04-07 | Method and system for realizing uplink power control |
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| CNB2005100632411A CN100534003C (en) | 2005-04-07 | 2005-04-07 | Method and system for realizing uplink power control |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997195B (en) * | 2006-01-06 | 2010-05-12 | 中兴通讯股份有限公司 | Cellular mobile communication system and special processing method for measurement report for same |
| CN101340214B (en) * | 2007-07-06 | 2012-04-25 | 鼎桥通信技术有限公司 | Method and system for downlink space interface signaling transmission |
| CN102647776B (en) * | 2007-01-31 | 2014-08-27 | 电信科学技术研究院 | Method and device for outer loop power control of enhanced physical uplink channel |
-
2005
- 2005-04-07 CN CNB2005100632411A patent/CN100534003C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1997195B (en) * | 2006-01-06 | 2010-05-12 | 中兴通讯股份有限公司 | Cellular mobile communication system and special processing method for measurement report for same |
| CN102647776B (en) * | 2007-01-31 | 2014-08-27 | 电信科学技术研究院 | Method and device for outer loop power control of enhanced physical uplink channel |
| CN101340214B (en) * | 2007-07-06 | 2012-04-25 | 鼎桥通信技术有限公司 | Method and system for downlink space interface signaling transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100534003C (en) | 2009-08-26 |
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Granted publication date: 20090826 |