CN101577569A - Method and devices for power control - Google Patents
Method and devices for power control Download PDFInfo
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- CN101577569A CN101577569A CNA200810105895XA CN200810105895A CN101577569A CN 101577569 A CN101577569 A CN 101577569A CN A200810105895X A CNA200810105895X A CN A200810105895XA CN 200810105895 A CN200810105895 A CN 200810105895A CN 101577569 A CN101577569 A CN 101577569A
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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 embodiment of the invention discloses a power control method comprising the following steps: a network side collocates an acknowledgement indicator channel E-HICH on an auxiliary carrier and sends information of the collocated E-HICH; and a receiving terminal calculates instantaneous path loss according to the received information of the E-HICH and performs power control on an enhanced physical uplink channel (E-PUCH) on the auxiliary carrier according to the instantaneous path loss. The embodiment of the invention also discloses a power control device of the network side and a power control device of a user equipment side. The method and the devices can perform power control on the E-PUCH on the auxiliary carrier by only utilizing the collocated E-HICH resource without increasing extra code channel resources, thereby effectively saving network resources while finishing power control.
Description
Technical field
The present invention relates to power control techniques, refer in particular to a kind of method and device of power control.
Background technology
In TD SDMA (TD-SCDMA) system, because the upgrading of wireless access network (RAN) and subscriber equipment (UE), therefore can support on main carrier and auxilliary carrier wave that high speed uplink packet inserts (HSUPA) business, thereby can improve the ascending performance and the capacity of system, the competitiveness of increase system and equipment.But when supporting the HSUPA business, system also needs to control up power, thereby reduces this sub-district and neighbor cell are produced bigger interference, to avoid the performance decrease at local or whole networking.
At present, when UE being carried out power control, generally be by the direct transmitting power (P of power control commands word (TPC) to UE by DPCH (DPCH)
E-base+ L ') carries out power control, promptly rise or reduce the transmitting power (P of UE according to the step-length among the TPC
E-base+ L '); Wherein, P
E-baseBe expectation received power, L ' is the path loss estimated value between this UE and the base station.Because when the environment of channel took place to change fast, the step-length among the TPC might be significantly smaller than the amplitude of the transmitting power of actual required regulation and control, therefore, use this method fast and effectively power control control to take place to carry out when changing fast at channel circumstance.
And in the HSUPA technology, the power control mechanism that is carried out is different from the above-mentioned mechanism that DPCH carries out power control of passing through.In the HSUPA technology, in the time can supporting the UE access network of HSUPA business, this UE can estimate this UE to the instantaneous path loss L between the base station according to the Primary Common Control Physical Channel on the main carrier (PCCPCH) channel, and determines the transmitting power P of the uplink physical channel (E-PUCH) of the enhancing of this UE when the first access network of this UE according to following formula
E-PUCH:
P
E-PUCH＝P
e-base+L+β
e (1)
Wherein, P
E-baseBe expectation received power, L is the instantaneous path loss between this UE and the base station, β
eBe authorization power, i.e. the basic transmitting power of the E-PUCH of network side mandate.
Determining P
E-PUCHAfter, UE can enter closed-loop power control (Close Loop Power Control), can be according to the TPC of base station by absolute permission channel (E-AGCH)/affirmations indicating channel (E-HICH) transmission of the uplink dedicated transmission channel that strengthens to P
E-baseControl, according to the transmitting power P of rising of the step-length among the TPC or reduction UE
E-base, and then at P
E-baseThe basis on add authorization power β
eAnd the L that is estimated, thereby finish P
E-PUCHPower control.If UE is not scheduled or does not receive any information of base station in a period of time, then when this UE is scheduled once more, will carry out open loop power control again, promptly recomputate transmitting power P according to above-mentioned formula (1)
E-PUCHAnd then carry out above-mentioned closed-loop power control.
As from the foregoing, the power that is carried out in the HSUPA technology is controlled at by TPC P
E-baseWhen regulating and control, also can be according to the estimation of the instantaneous path loss of each frame being finished whole power control.Because the value of instantaneous path loss can be a plurality of TPC step-lengths, so can be to P
E-PUCHCarry out control by a relatively large margin, therefore, the UE that uses this method to make can to support the HSUPA business can converge to required transmitting power quickly when fast change of channel.
Because HSUPA will determine again every 5ms (being each frame) which UE is dispatched, if UE has been in the state that is scheduled before being scheduled once more, then this UE proceeds above-mentioned closed-loop power control; And UE is in the state that is not scheduled before being scheduled once more, after then this UE carries out open loop power control according to formula (1) earlier, carries out above-mentioned closed-loop power control again.Therefore, the UE of above-mentioned the supported HSUPA business that is scheduled needs to calculate instantaneous path loss (or, calculate instantaneous path loss when at every turn carrying out up transmission) in each frame.When UE transmission of high speed uplink packet access on main carrier was professional, UE can estimate instantaneous path loss according to each frame on the PCCPCH, thereby E-PUCH is carried out power control.
But when UE need transmission of high speed uplink packet access be professional on auxilliary carrier wave, owing to do not have PCCPCH on the auxilliary carrier wave, so UE can't estimate instantaneous path loss, thereby can't carry out effective power control to E-PUCH.In the case, if UE switchback main carrier also calculates instantaneous path loss on the auxilliary carrier wave according to the PCCPCH on the main carrier, then the complexity that realizes of scheme strengthens, and because the frequency of main carrier and auxilliary carrier wave is different, so will influence estimation precision, thereby will reduce the power control performance to instantaneous path loss; In addition, if on auxilliary carrier wave, send beacon signal, PCCPCH signal for example, and estimate instantaneous path loss according to this beacon signal, then the beacon signal that is sent can increase the interference to time slot TS0, and may the outer code channel resource of occupying volume.
Summary of the invention
In view of this, the main purpose of the embodiment of the invention is to provide a kind of method and device of power control, thereby can carry out power control to E-PUCH on auxilliary carrier wave.
For achieving the above object, the technical scheme in the embodiment of the invention is achieved in that
A kind of method of power control, this method comprises:
Network side is configure-ack indicating channel E-HICH on auxilliary carrier wave, sends the information of institute's collocated E-HICH;
User equipment (UE) is according to the instantaneous path loss of information calculations of received institute's collocated E-HICH, and according to described instantaneous path loss the uplink physical channel E-PUCH of the enhancing on the auxilliary carrier wave carried out power control.
A kind of output control device of network side also is provided in the embodiments of the invention, and this device comprises: configuration module;
Described configuration module is used for configure-ack indicating channel E-HICH on auxilliary carrier wave, and the information of output institute collocated E-HICH.
A kind of output control device of user equipment side also is provided in the embodiments of the invention, and this device comprises: computing module and control module;
Described computing module is used for the instantaneous path loss of information calculations according to received institute's collocated E-HICH, and the instantaneous path loss that is calculated is sent to described control module;
Described control module is used for according to described instantaneous path loss the uplink physical channel E-PUCH that assists the enhancing on the carrier wave being carried out power control.
A kind of method and device of power control are provided in the embodiments of the invention in summary.In above-mentioned method and apparatus, because network side has disposed E-HICH on auxilliary carrier wave, and the information of institute's collocated E-HICH sent to receiving terminal, make receiving terminal to control thereby can carry out power to the E-PUCH on the auxilliary carrier wave according to the instantaneous path loss of information calculations of institute's collocated E-HICH according to instantaneous path loss.By using above-mentioned method and apparatus, can be under the situation that does not increase extra code channel resource, only utilize the collocated E-HICH resource just can on auxilliary carrier wave, carry out power control, thereby when finishing power control, also saved Internet resources effectively E-PUCH.
Description of drawings
Fig. 1 is the flow chart of the Poewr control method on auxilliary carrier wave in the embodiment of the invention.
Fig. 2 is the schematic diagram of the output control device on auxilliary carrier wave of network side in the embodiment of the invention.
Fig. 3 is the schematic diagram of the output control device on auxilliary carrier wave of UE side in the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention express clearlyer, the present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the flow chart of the Poewr control method on auxilliary carrier wave in the embodiment of the invention.As shown in Figure 1, the Poewr control method method on auxilliary carrier wave in the embodiment of the invention comprises step as described below:
Step 101 disposes E-HICH on auxilliary carrier wave.
In order to support the HSUPA business, network side (for example, RAN) with pre-configured resource pool, comprises channel resources such as E-PUCH, E-AGCH, E-HICH in this resource pool.When the UE transmitting and scheduling business that can support the HSUPA business or non-scheduling service, RAN will be this corresponding scheduling of UE configuration or non-scheduling E-HICH.Therefore, according to These characteristics, in an embodiment of the present invention, can wherein, can comprise one or more E-HICH in the E-HICH set for the UE of the above-mentioned HSUPA of support business disposes at least one E-HICH or E-HICH set on auxilliary carrier wave.Because E-HICH is a shared channel, so institute's collocated E-HICH can be used jointly by a plurality of UE.
In addition,, so E-HICH is not carried out power controls, do not use wave beam forming (Beamforming) yet because E-HICH shared by a plurality of UE, and with E-HICH as beacon channel.
Step 102, network side sends the information of institute's collocated E-HICH.
After the configuration of finishing E-HICH, the RAN side is configured the transmitting power of institute's collocated E-HICH, and can be by amended UU mouth message, for example, radio bearer is set up (RB SETUP) message, radio bearer is reshuffled (RB RECONFIGURATION) message etc., and the information of institute's collocated E-HICH is sent to UE.Described E-HICH information can comprise the method for salary distribution of time slot, code channel and training sequence (Midamble) sign indicating number at E-HICH place, information such as transmitting power that also can above-mentioned E-HICH.
Specifically, in an embodiment of the present invention, can make amendment, in UU mouth message, increase information unit as described in Table 1 (IE) original UU mouth message:
| Information unit/group name claims (Information Element/Group name) | Need (Need) | A plurality of (Multi) | Type and parameter (Type and reference) | Semantic, description (Semantics description) | Kind (Version) |
| ＞＞＞＞＞E-HICH Tx Power | OP | Integer(6..43) | In dBm | E-HICH Tx Power |
Table 1
Wherein, the E-HICH Tx Power in the table 1 is that the RAN side is the transmitting power of E-HICH configuration, and unit is dB.By above-mentioned amended UU message breath, UE can be known the transmitting power of institute's collocated E-HICH.
In addition, the RAN side also can send to base station (Node B) with the information of institute's collocated E-HICH by Iub mouth message.At this moment, need make amendment, in Iub mouth message, increase information unit as described in Table 2 original Iub mouth message:
| ＞E-HICH information 1.28Mcps | 1..<maxno ofEHICHs > | |||||
| ＞＞E-HICH Tx Beacon PL estimaiton | OP | Enumerated(Not Present，Present) | ||||
| ＞＞＞E-HICH Tx Power B | Integer (6..43) | In dBm | E-HICH Tx Power | Integer (6..43) | In dBm |
Table 2
Wherein, the E-HICH Tx Beacon PL estimation IE in the table 2 is E-HICH emission beacon pay(useful) load estimated information unit.By above-mentioned amended Iub mouth message, Node B also can be known the transmitting power of configuration to the E-HICH of UE.
Step 103 is according to the instantaneous path loss of the information calculations of received E-HICH.
Specifically, if in institute's collocated E-HICH, have one or more UE to be scheduled or non-scheduling service is arranged, then can send data by above-mentioned institute collocated E-HICH; And if in institute's collocated E-HICH, be scheduled and do not have non-scheduling service without any a UE, then on E-HICH, send dummy data (Dummy data), described Dummy data itself do not have definite implication, and the purpose that sends dummy data is to make UE can the Midamble territory from dummy data to obtain the signal code power (E-HICH RSCP) on this E-HICH.
In the time can supporting the UE access network of HSUPA business, can be by knowing the information of institute's collocated E-HICH in the UU mouth message, thus can know the transmitting power of the institute's collocated E-HICH in the information of E-HICH.
Simultaneously, UE can monitor above-mentioned institute collocated E-HICH, and obtains the signal code power E-HICH RSCP of E-HICH according to the Midamble territory in the data of transmitting on above-mentioned institute collocated E-HICH, and promptly this E-HICH is at the actual reception power of UE side.Then, UE can calculate instantaneous path loss Pathloss according to formula as described below (2):
Pathloss＝E-HICH TX power-E-HICH RSCP (2)
Step 104 is carried out power control according to described instantaneous path loss to the E-PUCH on the auxilliary carrier wave.
Specifically, when carrying out open loop power control, UE can determine the transmitting power P of the E-PUCH of this UE according to formula (1)
E-PUCH, carry out closed-loop power control then, promptly the TPC that sends by E-AGCH/E-HICH according to the base station is to P
E-baseControl, according to the transmitting power P of rising of the step-length among the TPC or reduction UE
E-base, and then at P
E-baseThe basis on add authorization power and the instantaneous path loss Pathloss that is estimated, thereby finish P
E-PUCHPower control.If UE is not scheduled or does not receive any information of base station in a period of time, then when this UE is scheduled once more, will carry out open loop power control again, promptly recomputate transmitting power P according to above-mentioned formula (1)
E-PUCHAnd then carry out above-mentioned closed-loop power control.
In addition, owing to can be E-HICH set of a UE configuration, this E-HICH set can comprise a plurality of E-HICH, therefore, same UE can calculate a plurality of instantaneous path losses according to different E-HICH, and (for example use algorithm commonly used, arithmetic average algorithm, weighted average algorithm etc.) obtain the mean value of above-mentioned a plurality of instantaneous path losses, and with this mean value as E-PUCH being carried out power employed instantaneous path loss of when control, thereby can improve computational accuracy, strengthen the effect of power control the instantaneous path loss that carries out power control.
In addition, in an embodiment of the present invention, can be above-mentioned E-HICH TX Power IE as optional IE.When the power control that need on auxilliary carrier wave, realize E-PUCH, use this IE; And when the power control that need on main carrier, realize E-PUCH, can not use this IE, promptly do not dispose the transmitting power of E-HICH, and use PCCPCH to calculate instantaneous path loss.By above-mentioned method, can realize with original main carrier on the compatibility to the power control scheme of E-PUCH.
Fig. 2 is the schematic diagram of the output control device on auxilliary carrier wave of network side in the embodiment of the invention.As shown in Figure 2, the output control device on auxilliary carrier wave of network side comprises in the embodiment of the invention: configuration module, this configuration module is used for according to received high-level signaling configure-ack indicating channel E-HICH on auxilliary carrier wave, and the information of output institute collocated E-HICH.
Described high-level signaling is the output control device on auxilliary carrier wave that is sent to above-mentioned network side by high level according to practical situations.This high-level signaling is used to indicate the output control device on auxilliary carrier wave of above-mentioned network side to begin configuration to E-HICH.
Fig. 3 is the schematic diagram of the output control device on auxilliary carrier wave of UE side in the embodiment of the invention.。As shown in Figure 3, the output control device on auxilliary carrier wave of UE side comprises in the embodiment of the invention: computing module and control module.
Computing module is used for the instantaneous path loss of information calculations according to received institute's collocated E-HICH, and the instantaneous path loss that is calculated is sent to control module;
Control module is used for by control command the uplink physical channel E-PUCH that assists the enhancing on the carrier wave being carried out power control according to described instantaneous path loss output control command.
In addition, described computing module also comprises: acquiring unit and calculating output unit.
Acquiring unit is used for obtaining from the information of received E-HICH the transmitting power of institute's collocated E-HICH; Institute's collocated E-HICH is monitored, obtained the actual reception power of institute's collocated E-HICH in the UE side; Transmitting power and institute's collocated E-HICH of institute's collocated E-HICH of being obtained are sent to the calculating output unit at the actual reception power of UE side;
Described calculating output unit is used for according to the transmitting power of institute's collocated E-HICH and the institute's collocated E-HICH instantaneous path loss of actual reception power calculation in the UE side, and the instantaneous path loss that is calculated is sent to control module.
The said method and the device that are provided among the application of the invention embodiment, can be under the situation that does not increase extra code channel resource, only utilize the collocated E-HICH resource just can on auxilliary carrier wave, carry out power control, thereby when finishing power control, also saved Internet resources effectively E-PUCH.And, in above-mentioned method and apparatus, need on auxilliary carrier wave, not increase the PCCPCH beacon channel, do not need to increase the power of TS0, need not make amendment to the hardware of RAN side and UE side, therefore the implementation method of above-mentioned method and apparatus is easy and simple, and is also very little to the modification of system, but also can realize compatible with the power control scheme to E-PUCH on original main carrier.In addition, said method that is provided in the embodiment of the invention and device not only can be used in the TD-SCDMA system, can also be applied in Wideband Code Division Multiple Access (WCDMA) (WCDMA) system.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1, a kind of method of power control is characterized in that this method comprises:
Network side is configure-ack indicating channel E-HICH on auxilliary carrier wave, sends the information of institute's collocated E-HICH;
User equipment (UE) is according to the instantaneous path loss of information calculations of received institute's collocated E-HICH, and according to described instantaneous path loss the uplink physical channel E-PUCH of the enhancing on the auxilliary carrier wave carried out power control.
2, method according to claim 1 is characterized in that, described on auxilliary carrier wave configure-ack indicating channel E-HICH comprise:
On auxilliary carrier wave, dispose at least one E-HICH or at least one E-HICH set for UE; Wherein, comprise at least one E-HICH in the described E-HICH set.
3, method according to claim 1 is characterized in that, the described information that sends institute's collocated E-HICH comprises:
Transmitting power to described E-HICH is configured, and by amended UU mouth message the information of institute's collocated E-HICH is sent to UE.
4, method according to claim 1 is characterized in that, the described information that sends institute's collocated E-HICH comprises:
Transmitting power to described E-HICH is configured, and by amended Iub mouth message the information of institute's collocated E-HICH is sent to the base station.
According to claim 1,3 or 4 described methods, it is characterized in that 5, the information of described institute collocated E-HICH comprises:
The method of salary distribution or the transmitting power of the time slot at described E-HICH place, code channel, training sequence code.
6, method according to claim 3 is characterized in that, comprises in the described amended UU mouth message:
Information unit with transmission power information of institute's collocated E-HICH.
7, method according to claim 4 is characterized in that, described amended Iub mouth message comprises:
Information unit and institute collocated E-HICH emission beacon pay(useful) load estimated information unit with transmission power information of institute's collocated E-HICH.
8, method according to claim 1 is characterized in that, the described instantaneous path loss of information calculations according to received institute's collocated E-HICH comprises:
From the information of institute's collocated E-HICH of receiving, obtain the transmitting power of institute's collocated E-HICH;
Institute's collocated E-HICH is monitored, obtained the actual reception power of institute's collocated E-HICH in the UE side;
According to the transmitting power of institute's collocated E-HICH and institute's collocated E-HICH the instantaneous path loss of actual reception power calculation in the UE side.
9, method according to claim 8 is characterized in that, described instantaneous path loss calculates according to following formula:
Pathloss＝E-HICH TX power-E-HICH RSCP，
Wherein, Pathloss is instantaneous path loss, and E-HICH TX power is the transmitting power of institute's collocated E-HICH, and E-HICH RSCP is the actual reception power of institute's collocated E-HICH in the UE side.
10, method according to claim 8 is characterized in that, the described institute's collocated E-HICH of obtaining comprises at the actual reception power of UE side:
Obtain the actual reception power of institute's collocated E-HICH according to the training sequence code in the data of on institute's collocated E-HICH, transmitting in the UE side.
11, method according to claim 1 is characterized in that, describedly according to described instantaneous path loss the E-PUCH on the auxilliary carrier wave is carried out power control and comprises:
When E-PUCH is carried out open loop power control, determine the transmitting power of E-PUCH according to expectation received power, authorization power and the instantaneous path loss of E-PUCH, then E-PUCH is carried out closed-loop power control;
When E-PUCH was carried out closed-loop power control, the power control commands word that sends according to the base station carried out power control to expectation received power, with expectation received power, authorization power and described instantaneous path loss and as the transmitting power of E-PUCH.
12, method according to claim 11 is characterized in that, the described instantaneous path loss of information calculations according to received institute's collocated E-HICH comprises:
Calculate instantaneous path loss according at least two institute's collocated E-HICH, with the mean value of at least two instantaneous path losses being calculated employed instantaneous path loss when E-PUCH being carried out power control.
13, a kind of output control device of network side is characterized in that, this device comprises: configuration module;
Described configuration module is used for configure-ack indicating channel E-HICH on auxilliary carrier wave, and the information of output institute collocated E-HICH.
14, a kind of output control device of user equipment side is characterized in that, this device comprises: computing module and control module;
Described computing module is used for the instantaneous path loss of information calculations according to received institute's collocated E-HICH, and the instantaneous path loss that is calculated is sent to described control module;
Described control module is used for according to described instantaneous path loss the uplink physical channel E-PUCH that assists the enhancing on the carrier wave being carried out power control.
15, device according to claim 14 is characterized in that, described computing module comprises: acquiring unit and calculating output unit;
Described acquiring unit is used for obtaining from the information of received institute's collocated E-HICH the transmitting power of institute's collocated E-HICH; Institute's collocated E-HICH is monitored, obtained the actual reception power of institute's collocated E-HICH in the UE side; Transmitting power and institute's collocated E-HICH of institute's collocated E-HICH of being obtained are sent to described calculating output unit at the actual reception power of UE side;
Described calculating output unit is used for according to the transmitting power of institute's collocated E-HICH and the institute's collocated E-HICH instantaneous path loss of actual reception power calculation in the UE side, and the instantaneous path loss that is calculated is sent to described control module.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010148869A1 (en) * | 2009-11-24 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for notifying the power control commands in carrier aggregation system |
| CN102083184A (en) * | 2009-11-27 | 2011-06-01 | 中兴通讯股份有限公司 | Method and system for multicarrier and multichannel power distribution in carrier aggregation |
| CN102378342A (en) * | 2010-08-11 | 2012-03-14 | 电信科学技术研究院 | Method, device and system for regulating and indicating transmission power |
| CN102883343A (en) * | 2011-07-13 | 2013-01-16 | 华为技术有限公司 | Method for measuring path loss of expanded carrier and associated apparatus |
| WO2018086246A1 (en) * | 2016-11-14 | 2018-05-17 | 华为技术有限公司 | Power control method and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1798418A (en) * | 2004-12-27 | 2006-07-05 | 北京三星通信技术研究有限公司 | Method for configuring resource of EUDCH in advance |
| CN100515114C (en) * | 2005-02-07 | 2009-07-15 | 上海贝尔阿尔卡特股份有限公司 | Admission control algorithm and device for HSUPA service |
| CN100550679C (en) * | 2005-09-02 | 2009-10-14 | 中兴通讯股份有限公司 | HSUPA exterior ring power control implementation method |
| CN101123470B (en) * | 2006-08-11 | 2012-05-30 | 电信科学技术研究院 | Message reuse and transmission method and system for confirmed indicative channels |
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- 2008-05-05 CN CN200810105895XA patent/CN101577569B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010148869A1 (en) * | 2009-11-24 | 2010-12-29 | 中兴通讯股份有限公司 | Method and system for notifying the power control commands in carrier aggregation system |
| CN102083184A (en) * | 2009-11-27 | 2011-06-01 | 中兴通讯股份有限公司 | Method and system for multicarrier and multichannel power distribution in carrier aggregation |
| CN102083184B (en) * | 2009-11-27 | 2015-04-01 | 中兴通讯股份有限公司 | Method and system for multicarrier and multichannel power distribution in carrier aggregation |
| CN102378342A (en) * | 2010-08-11 | 2012-03-14 | 电信科学技术研究院 | Method, device and system for regulating and indicating transmission power |
| CN102378342B (en) * | 2010-08-11 | 2016-05-25 | 电信科学技术研究院 | A kind of adjustment of transmitted power and indicating means thereof, Apparatus and system |
| CN102883343A (en) * | 2011-07-13 | 2013-01-16 | 华为技术有限公司 | Method for measuring path loss of expanded carrier and associated apparatus |
| WO2018086246A1 (en) * | 2016-11-14 | 2018-05-17 | 华为技术有限公司 | Power control method and terminal |
| US11246101B2 (en) | 2016-11-14 | 2022-02-08 | Huawei Technologies Co., Ltd. | Power control method and terminal |
| US11924775B2 (en) | 2016-11-14 | 2024-03-05 | Huawei Technologies Co., Ltd. | Power control method and terminal |
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