CN102143567B - Power-regulating method and device - Google Patents
Power-regulating method and device Download PDFInfo
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- CN102143567B CN102143567B CN201110101844.1A CN201110101844A CN102143567B CN 102143567 B CN102143567 B CN 102143567B CN 201110101844 A CN201110101844 A CN 201110101844A CN 102143567 B CN102143567 B CN 102143567B
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- power gain
- access network
- adjustment factor
- gain adjustment
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
- H04W52/346—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a power-regulating method, which is used for enhancing power-regulating accuracy so as to enhance signal-transmitting quality. The method comprises the following steps that: an access network updates an activity set; the access network acquires respective corresponding channel power gain-regulating factors of each carrier section in an active set in the updated activity set; the access network selects a channel power gain-regulating factor from the respective corresponding channel power gain-regulating factors of each carrier section; the access network regulates power gain according to the selected channel power gain-regulating factor; and the access network sends the regulated power gain to a terminal so as to indicate the terminal to regulate power according to the power gain. The invention also discloses a power-regulating device for realizing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to method and the device of Modulating Power.
Background technology
Supporting CDMA 2000 Evolution-Data Optimized (Code Division Multiple Access 2000Evolution Data Optimized, CDMA2000EVDO) in system, particularly RevA (version A) and the defined system of RevB (version B), the power of reverse traffic channel is controlled and is comprised of open loop power control and closed-loop power control (comprising interior ring and external circule power control).What power was controlled directly adjustment is the power of pilot channel, and the power of other subchannel is that pilot channel power adds respective sub-channel relatively and the gain (Traffic to Pilot, T2P) of pilot channel.Other subchannel has DRCChannel (data rate control channel) as shown in Figure 1A, DSCChannel (data source control channel), ACKChannel (responder link), RRIChannel (reverse rate indicating channel) and AuxiliaryPilotChannel (Auxiliary Pilot Channel) etc.Reverse traffic channel media access control (Reverse Traffic Channel Medium Access Control, RTCMAC) common parameter of agreement, pass to terminal when carrying out Session negotiation (session negotiation) with terminal, or upgrade by General attribute update protocol (Generic Attribute Update Protocol, GAUP) notification terminal.
Present inventor finds, at same Access Network (Access Network, AN) the different contained fan under, its reverse demodulation ability may be different, also different to the requirement of terminal transmit power, and the amplitude of different demodulation ability power ascension or decline on each subchannel also may be variant, therefore by existing circule power control method, the method of each sub-channel power is adjusted in i.e. unification, cannot guarantee the performance of each channel.Possible method is that the backward power relevant parameter under all contained fans and the relevant parameter of power control are configured to a maintenance, but terminal can only be used one group of functional parameter value, and for terminal, how multiple function parameter value being processed is also a problem.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of Modulating Power, the accuracy of adjusting for improving power, and then improve signal transmission quality.
A method for Modulating Power, comprises the following steps:
Access Network upgrades active set;
Access Network obtains each contained fan in the Active Set in the active set upgrading and divides other respective channels power gain to adjust the factor;
Access Network divides other respective channels power gain adjustment factor and selects a channel power gain adjustment factor from each contained fan;
Access Network is according to the channel power gain adjustment factor Modulating Power gain of selecting;
Access Network sends to terminal by the power gain after adjusting, with indicating terminal according to power gain Modulating Power.
An access network equipment, comprising:
Update module, for upgrading active set;
Extraction module, divides other respective channels power gain to adjust the factor for each contained fan of Active Set obtaining in the active set of renewal;
Select module, for divide other respective channels power gain to adjust the factor from each contained fan, select a channel power gain adjustment factor;
Adjusting module, for gaining according to the channel power gain adjustment factor Modulating Power of selecting;
Interface module, for the power gain after adjusting is sent to terminal, with indicating terminal according to power gain Modulating Power.
In the embodiment of the present invention, Access Network can obtain channel power gain adjustment factor Δ T2P corresponding to each contained fan difference in Active Set, and therefrom selects a channel power gain adjustment factor to send to terminal.The embodiment of the present invention has considered that its reverse demodulation ability of different contained fans may be also different, therefore for each contained fan, configured respectively Δ T2P in advance, and from the Δ T2P of each contained fan of Active Set, select a suitable Δ T2P to adjust power gain, then send to terminal, the accuracy of adjusting to improve power, and then improve signal transmission quality.
Accompanying drawing explanation
Figure 1A is the schematic diagram of prior art sub-channels;
Figure 1B is the main method flow chart of Modulating Power in the embodiment of the present invention;
Fig. 2 connects the method flow diagram of Modulating Power while setting up in the embodiment of the present invention;
Fig. 3 is the method flow diagram of Modulating Power while switching in the embodiment of the present invention;
Fig. 4 is the primary structure figure of access network equipment in the embodiment of the present invention;
Fig. 5 is the detailed structure view of access network equipment in the embodiment of the present invention.
Embodiment
In the embodiment of the present invention, Access Network can obtain channel power gain adjustment factor Δ T2P corresponding to each contained fan difference in Active Set, and therefrom selects a channel power gain adjustment factor to send to terminal.The embodiment of the present invention has considered that its reverse demodulation ability of different contained fans may be also different, therefore for each contained fan, configured respectively Δ T2P in advance, and from the Δ T2P of each contained fan of Active Set, select a suitable Δ T2P to adjust power gain, then send to terminal, the accuracy of adjusting to improve power, and then improve signal transmission quality.
A sector in the present embodiment under a carrier wave is called a contained fan.Configuration on each contained fan may be different with channel circumstance, and the contained fan for example having is oppositely being introduced service channel interference elimination (Traffic Channel Interference Cancel, TIC) function, and some contained fans do not configure this function.Therefore the present embodiment is respectively each contained fan configuration Δ T2P according to factors such as the configuration of each contained fan or channel circumstances.
Referring to Figure 1B, in the present embodiment, the main method flow process of Modulating Power is as follows:
Step 101: Access Network upgrades active set.
Step 102: Access Network obtains each contained fan in the Active Set in the active set upgrading and divides other respective channels power gain to adjust the factor.
Step 103: Access Network divides other respective channels power gain adjustment factor and selects a channel power gain adjustment factor from each contained fan.
Step 104: Access Network is according to the channel power gain adjustment factor Modulating Power gain of selecting.
Step 105: Access Network sends to terminal by the power gain after adjusting, with indicating terminal according to power gain Modulating Power.
Wherein, step 103 has multiple implementation, as Access Network divides other respective channels power gain to adjust channel power gain adjustment factor corresponding to select target contained fan the factor from each contained fan.Or Access Network divides other respective channels power gain to adjust the channel power gain adjustment factor of selective value minimum the factor from each contained fan.
And Access Network upgrades active set can occur in that terminal request connects or Access Network is determined when terminal need be switched.Owing to there is multiple implementation, below by two exemplary embodiments, introduce in detail the implementation procedure of Modulating Power.
Referring to Fig. 2, the method flow that connects Modulating Power while setting up in the present embodiment is as follows:
In Active Set, for each contained fan, configure respectively Δ T2P in advance.For example, for the contained fan that has configured TIC function, configuration Δ T2P=2db, for the contained fan that does not configure TIC function, configuration Δ T2P=-2db.
Step 201: terminal sends and connects the request of foundation to Access Network, to ask to add certain contained fan (Huo Cheng community).
Step 202: Access Network upgrades active set according to connecting the request of foundation.Access Network is determined the contained fan that terminal request adds in this process.
Step 203: obtain channel power gain adjustment factor corresponding to each contained fan difference the Active Set of Access Network in the active set upgrading.For example, terminal is supported carrier aggregation technology, can in a plurality of communities (comprising He Fu community, main plot), transmit simultaneously, and now Access Network at least obtains the channel power gain adjustment factor corresponding to target contained fan of terminal request from Active Set.
Step 204: Access Network divides other respective channels power gain to adjust the channel power gain adjustment factor of selective value minimum the factor from each contained fan.In the present embodiment, the channel power gain adjustment factor of selection is designated as to Δ T2P '.This step can reduce the interference to other terminal when guaranteeing reverse reliable demodulation.And get minimum value, coordinate exterior ring power to control, can make systematic function reach preferable states.
Step 205: Access Network compares the channel power gain adjustment factor of selection and the channel power gain adjustment factor having recorded, if inconsistent, continues step 206 and 208, otherwise process ends, transmitting channel power gain is not adjusted the factor.Wherein, when request is set up in the connection of Access Network receiving terminal transmission, the channel power gain adjustment factor having recorded is the channel power gain adjustment factor before terminal Connection Release last time.During terminal initial access network, can not carry out this comparison procedure, or the initial value of the channel power gain adjustment factor of record is 0.
Step 206: Access Network is according to the channel power gain adjustment factor Modulating Power gain of selecting.
Step 207: Access Network sends to terminal by GAUP (General attribute update protocol) air-interface information by the power gain after adjusting.
Step 208: the channel power gain adjustment factor that Access Network use is selected is the channel power gain adjustment factor of new record more.This step can be synchronizeed and carry out with step 206.
What in the present embodiment, select is the minimum channel power gain adjustment factor of value, if follow-up terminal switches or reuse adoption process etc., may change contained fan, in contained fan Renewal process frequently, the channel power gain adjustment factor of the channel power gain adjustment factor intermediate value minimum that each contained fan is corresponding may not change, or the number of times changing is less, therefore through step 205 relatively after, can reduce the number of times of adjustment and transmission power gain, thereby reduce empty overhead.
Referring to Fig. 3, while switching in the present embodiment, the method flow of Modulating Power is as follows:
In Active Set, for each contained fan, configure respectively Δ T2P in advance.For example, for the contained fan that has configured TIC function, configuration Δ T2P=2db, for the contained fan that does not configure TIC function, configuration Δ T2P=-2db.
Step 301: Access Network determines that terminal need switch, terminal is switched to certain contained fan (Huo Cheng community).Access Network is determined the target contained fan that terminal is switched in this process.
Step 302: Access Network upgrades active set.
Step 303: obtain channel power gain adjustment factor corresponding to each contained fan difference the Active Set of Access Network in the active set upgrading.For example, terminal is supported carrier aggregation technology, can transmission in a plurality of communities (comprising He Fu community, main plot) simultaneously, now Access Network channel power gain adjustment factor corresponding to target contained fan (can have a plurality of) that at least acquisition is switched from Active Set.
Step 304: Access Network divides other respective channels power gain to adjust the channel power gain adjustment factor of selecting a service contained fan (being target contained fan) the factor from each contained fan.In the present embodiment, the channel power gain adjustment factor of selection is designated as to Δ T2P '.This step can reduce the interference to other terminal when guaranteeing reverse reliable demodulation.And the channel power gain adjustment factor of getting service contained fan, can improve reliability.
Step 305: Access Network compares the channel power gain adjustment factor of selection and the channel power gain adjustment factor having recorded, if inconsistent, continues step 306 and 307, otherwise process ends, transmitting channel power gain is not adjusted the factor.Wherein, when Access Network determines that initiation is switched, the channel power gain adjustment factor of the channel power gain adjustment factor having recorded for recording before switching, before switching, the last time sends to the channel power gain adjustment factor of terminal.
Step 306: Access Network is according to the channel power gain adjustment factor Modulating Power gain of selecting.
Step 307: Access Network sends to terminal by the GAUP air-interface information of RTCMAC3/4 (reverse traffic channel media access control subtype 3 or 4 agreements) by the power gain after adjusting.
Step 308: the channel power gain adjustment factor that Access Network use is selected is the channel power gain adjustment factor of new record more.
Terminal is calculated speed and the transmitting power of reverse traffic channel according to new T2P gain parameter, and sends reserved packet to AN (Access Network).
By above description, understood the implementation procedure that power is adjusted, this process is mainly realized by access network equipment, below the internal structure of this equipment and function is introduced.
Referring to Fig. 4, in the present embodiment, access network equipment comprises: update module 401, extraction module 402, selection module 403, adjusting module 404 and interface module 405.Access network equipment can be specially radio network controller (RNC) or base station (eNB or Node B) etc.
Update module 401 is for upgrading active set.
Extraction module 402 divides other respective channels power gain to adjust the factor for each contained fan of Active Set obtaining in the active set of renewal.
Select module 403 to select a channel power gain adjustment factor for divide other respective channels power gain to adjust the factor from each contained fan.Select module 403 to divide other respective channels power gain to adjust channel power gain adjustment factor corresponding to select target contained fan the factor from each contained fan; Or, from each contained fan, divide other respective channels power gain to adjust the channel power gain adjustment factor of selective value minimum the factor.
Adjusting module 404 is for gaining according to the channel power gain adjustment factor Modulating Power of selecting.
Interface module 405 is for sending to terminal by the power gain after adjusting, with indicating terminal according to power gain Modulating Power.Concrete, interface module 405 sends to terminal by GAUP air-interface information by the power gain after adjusting.
Preferably, access network equipment also comprises: judge module 406, and shown in Figure 5.Judge module 406 is for comparing the channel power gain adjustment factor of selection and the channel power gain adjustment factor having recorded.Interface module 405, when comparative result is different, sends to terminal by the channel power gain adjustment factor of selection.Update module 401 is also for when comparative result is different, and the channel power gain adjustment factor that use is selected is the channel power gain adjustment factor of new record more.
Request is set up in the connection that interface module 405 also sends for receiving terminal.
Access network equipment also comprises: control module 407 is initiated to switch for determining.
When request is set up in the connection of interface module 405 receiving terminals transmissions, the channel power gain adjustment factor having recorded is the channel power gain adjustment factor before terminal Connection Release last time.When control module 407 determines that initiation is switched, the channel power gain adjustment factor of the channel power gain adjustment factor having recorded for recording before switching.
In the embodiment of the present invention, Access Network can obtain channel power gain adjustment factor Δ T2P corresponding to each contained fan difference in Active Set, and therefrom selects a channel power gain adjustment factor to send to terminal.The embodiment of the present invention has considered that its reverse demodulation ability of different contained fans may be also different, therefore for each contained fan, configured respectively Δ T2P in advance, and from the Δ T2P of each contained fan of Active Set, select a suitable Δ T2P to adjust power gain, then send to terminal, the accuracy of adjusting to improve power, and then improve signal transmission quality.The embodiment of the present invention is applicable to accessing terminal to network or switches the plurality of application scenes such as contained fan.And the mode of the selective channel power gain adjustment factor also has multiple, is applicable to different demands.And the embodiment of the present invention, in order to save empty overhead, by the channel power gain adjustment factor of selection and the channel power gain adjustment factor comparison of having recorded, does not send when more consistent, when more inconsistent, transmitting channel power gain is adjusted the factor.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (12)
1. a method for Modulating Power, is characterized in that, comprises the following steps:
Access Network upgrades active set;
Access Network obtains each contained fan in the Active Set in the active set upgrading and divides other respective channels power gain to adjust the factor;
Access Network divides other respective channels power gain adjustment factor and selects a channel power gain adjustment factor from each contained fan;
Access Network is according to the channel power gain adjustment factor Modulating Power gain of selecting;
Access Network sends to terminal by the power gain after adjusting, with indicating terminal according to power gain Modulating Power.
2. the method for claim 1, is characterized in that, Access Network obtains the step that in the Active Set in the active set upgrading, each contained fan divides other respective channels power gain to adjust the factor and comprises:
Access Network divides other respective channels power gain to adjust channel power gain adjustment factor corresponding to select target contained fan the factor from each contained fan; Or
Access Network divides other respective channels power gain to adjust the channel power gain adjustment factor of selective value minimum the factor from each contained fan.
3. method as claimed in claim 1 or 2, it is characterized in that, Access Network also comprises step before the channel power gain adjustment factor of selection is sent to terminal: Access Network compares the channel power gain adjustment factor of selection and the channel power gain adjustment factor having recorded;
Access Network sends to the step of terminal to comprise the channel power gain adjustment factor of selection: when comparative result is different, Access Network sends to terminal by the channel power gain adjustment factor of selection;
Described method also comprises step: when comparative result is different, the channel power gain adjustment factor that Access Network use is selected is the channel power gain adjustment factor of new record more.
4. method as claimed in claim 3, is characterized in that, Access Network also comprises step before upgrading active set: request is set up in the connection that Access Network receiving terminal sends; Or Access Network is determined initiation switching.
5. method as claimed in claim 4, is characterized in that, when request is set up in the connection of Access Network receiving terminal transmission, the channel power gain adjustment factor having recorded is the channel power gain adjustment factor before terminal Connection Release last time;
When Access Network determines that initiation is switched, the channel power gain adjustment factor of the channel power gain adjustment factor having recorded for recording before switching.
6. method as claimed in claim 1 or 2, it is characterized in that, Access Network sends to the step of terminal to comprise the channel power gain adjustment factor of selection: Access Network sends to terminal by GAUP air-interface information by the channel power gain adjustment factor of selection.
7. an access network equipment, is characterized in that, comprising:
Update module, for upgrading active set;
Extraction module, divides other respective channels power gain to adjust the factor for each contained fan of Active Set obtaining in the active set of renewal;
Select module, for divide other respective channels power gain to adjust the factor from each contained fan, select a channel power gain adjustment factor;
Adjusting module, for gaining according to the channel power gain adjustment factor Modulating Power of selecting;
Interface module, for the power gain after adjusting is sent to terminal, with indicating terminal according to power gain Modulating Power.
8. access network equipment as claimed in claim 7, is characterized in that, selects module to divide other respective channels power gain to adjust channel power gain adjustment factor corresponding to select target contained fan the factor from each contained fan; Or, from each contained fan, divide other respective channels power gain to adjust the channel power gain adjustment factor of selective value minimum the factor.
9. access network equipment as claimed in claim 7 or 8, is characterized in that, also comprises: judge module, for the channel power gain adjustment factor of selection and the channel power gain adjustment factor having recorded are compared;
Interface module, when comparative result is different, sends to terminal by the channel power gain adjustment factor of selection;
Update module is also for when comparative result is different, and the channel power gain adjustment factor that use is selected is the channel power gain adjustment factor of new record more.
10. access network equipment as claimed in claim 9, is characterized in that, request is set up in the connection that interface module also sends for receiving terminal; Or
Access network equipment also comprises: control module, for determining, initiate to switch.
11. access network equipments as claimed in claim 10, is characterized in that, when request is set up in the connection of interface module receiving terminal transmission, the channel power gain adjustment factor having recorded is the channel power gain adjustment factor before terminal Connection Release last time;
When control module determines that initiation is switched, the channel power gain adjustment factor of the channel power gain adjustment factor having recorded for recording before switching.
12. access network equipments as claimed in claim 7 or 8, is characterized in that, interface module sends to terminal by GAUP air-interface information by the channel power gain adjustment factor of selection.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110101844.1A CN102143567B (en) | 2011-04-22 | 2011-04-22 | Power-regulating method and device |
| PCT/CN2011/082077 WO2012142828A1 (en) | 2011-04-22 | 2011-11-11 | Method and device for adjusting power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110101844.1A CN102143567B (en) | 2011-04-22 | 2011-04-22 | Power-regulating method and device |
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| Publication Number | Publication Date |
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| CN102143567A CN102143567A (en) | 2011-08-03 |
| CN102143567B true CN102143567B (en) | 2014-12-10 |
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| CN201110101844.1A Expired - Fee Related CN102143567B (en) | 2011-04-22 | 2011-04-22 | Power-regulating method and device |
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| CN (1) | CN102143567B (en) |
| WO (1) | WO2012142828A1 (en) |
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|---|---|---|---|---|
| CN102143567B (en) * | 2011-04-22 | 2014-12-10 | 中兴通讯股份有限公司 | Power-regulating method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341671A (en) * | 2005-12-20 | 2009-01-07 | 高通股份有限公司 | Method and apparatus for reverse link transmit beam-forming |
| CN101729104A (en) * | 2008-10-31 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for controlling uplink transmitting power as well as base station |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8868121B2 (en) * | 2008-09-29 | 2014-10-21 | Nokia Corporation | Control channel gain factor with data channel scaling |
| CN102143567B (en) * | 2011-04-22 | 2014-12-10 | 中兴通讯股份有限公司 | Power-regulating method and device |
-
2011
- 2011-04-22 CN CN201110101844.1A patent/CN102143567B/en not_active Expired - Fee Related
- 2011-11-11 WO PCT/CN2011/082077 patent/WO2012142828A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101341671A (en) * | 2005-12-20 | 2009-01-07 | 高通股份有限公司 | Method and apparatus for reverse link transmit beam-forming |
| CN101729104A (en) * | 2008-10-31 | 2010-06-09 | 中兴通讯股份有限公司 | Method and system for controlling uplink transmitting power as well as base station |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012142828A1 (en) | 2012-10-26 |
| CN102143567A (en) | 2011-08-03 |
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