CN109219119A - A kind of ascending power control method, base station and terminal - Google Patents
A kind of ascending power control method, base station and terminal Download PDFInfo
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- CN109219119A CN109219119A CN201710526260.6A CN201710526260A CN109219119A CN 109219119 A CN109219119 A CN 109219119A CN 201710526260 A CN201710526260 A CN 201710526260A CN 109219119 A CN109219119 A CN 109219119A
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- terminal
- antenna
- base station
- information
- power control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength
Abstract
The present embodiments relate to a kind of ascending power control method, base station and terminals, this method comprises: obtaining the difference of the measured value of the reception downlink signal between each antenna when the mutiple antennas of the terminal receives downlink signal；If the difference meets preset condition, is sent to base station and report information；The power control information that the base station reports information to send according to is obtained, and carries out the adjustment of uplink transmission power according to the power control information.Situations such as base station can stop according to the transmission of the antenna of terminal carries out reasonable transmission power control to the antenna of terminal, fast implements uplink power adjustment, the expense of control signaling is reduced, to guarantee continuously transmitting for system.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of ascending power control methods, base station and terminal.
Background technique
When certain antennas (or aerial panel) of terminal are held by user, will lead to held these antenna (or
Person's aerial panel) on received signal power it is very low, uplink transmission power also will receive very big obstruction loss.If according to existing
There is the ascending power control method in agreement, base station is when carrying out uplink transmission power adjustment to terminal, TPC (transmission power control
System) order power adjustment step size power loss caused by holding compared to being fairly small, then to pass through closing many times
Ring power control signaling incrementally increases the transmission power of terminal antenna, causes power control time too long, being not increased to
Before overcoming power loss caused by holding, transmitting uplink data is easy to happen interruption.
During terminal open loop emitting antenna selecting in existing protocol, if base station does not know terminal, certain antennas go out
Now holding etc. stops phenomenon, and two antenna of terminal is still kept to emit in turn, will make the transmitting antenna transmitting data held
It loses.During terminal closed loop emitting antenna selecting in existing protocol, signal reception power is received according to docking when terminal and is surveyed
There is holding etc. and stops phenomenon in amount discovery, and terminal can voluntarily realize that switching to the higher antenna of reception power carries out uplink hair
It penetrates.At this time, it is possible to which base station can not correctly determine how instruction because being unable to measure the reference signal of arrival self terminal antenna eventually
The emitting antenna selecting at end, it is also possible to which base station all indicates same root transmitting antenna by descending control signaling whithin a period of time
Control signaling expense is caused to increase, it is also possible to which base station finds that hair (occurs holding phenomenon) in terminal antenna used in current transmission
The uplink signal reception power sent is too low and carries out multiple closed power adjustment, causes power control time too long or even uplink
Transmission.
Summary of the invention
The embodiment of the present invention provides a kind of ascending power control method, base station and terminal, when solving uplink power control
Between longer the problem of causing transmitting uplink data to be easy to happen interruption.
In a first aspect, providing a kind of ascending power control method, it is applied to terminal, which comprises
When the mutiple antennas of the terminal receives downlink signal, the reception downlink signal between each antenna is obtained
The difference of measured value；
If the difference meets preset condition, is sent to base station and report information；
The power control information that the base station reports information to send according to is obtained, and according to the power control information
Carry out the adjustment of uplink transmission power.
Second aspect additionally provides a kind of ascending power control method, is applied to base station, comprising:
When the difference of the measured value of reception downlink signal between the antenna of terminal meets preset condition, the end is obtained
What end was sent reports information；
Information is reported to send power control information to the terminal according to described.
The third aspect additionally provides a kind of terminal, comprising:
First obtains module, for obtaining between each antenna when the mutiple antennas of the terminal receives downlink signal
Receive the difference of the measured value of the downlink signal；
First sending module sends to base station if meeting preset condition for the difference and reports information；
The first adjustment module, the power control information for reporting information to send according to for obtaining the base station, and root
The adjustment of uplink transmission power is carried out according to the power control information.
Fourth aspect additionally provides a kind of base station, comprising:
Second obtains module, and the difference of the measured value for the reception downlink signal between the antenna of terminal meets default
When condition, obtain the terminal transmission reports information；
Second sending module, for reporting information to send power control information to the terminal according to.
5th aspect, additionally provides a kind of terminal, including processor, memory and is stored on the memory and can be
The computer program run on the processor is realized on as described above when the computer program is executed by the processor
The step of row Poewr control method.
6th aspect, additionally provides a kind of base station, including processor, memory and is stored on the memory and can be
The computer program run on the processor is realized on as described above when the computer program is executed by the processor
The step of row Poewr control method.
7th aspect, additionally provides a kind of computer readable storage medium, stores on the computer readable storage medium
There is computer program, the computer program realizes the step of ascending power control method as described above when being executed by processor
Suddenly.
In this way, in the embodiment of the present invention when the mutiple antennas of terminal receives downlink signal, if the reception between antenna
The difference of the measured value of downlink signal meets preset condition, then sends to base station and report information, so that day of the base station according to terminal
Situations such as transmission of line stops can fast implement uplink power adjustment, reduce the expense of control signaling, guarantee system transmission
Continuity.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the flow chart of the ascending power control method of terminal side in one embodiment of the invention；
Fig. 2 is the flow chart of the ascending power control method of terminal side in another embodiment of the present invention；
Fig. 3 is the flow chart of the ascending power control method of base station side in one embodiment of the invention；
Fig. 4 is the flow chart of the ascending power control method of base station side in another embodiment of the present invention；
Fig. 5 is the structural schematic diagram of terminal in one embodiment of the invention；
Fig. 6 is the structural schematic diagram of base station in one embodiment of the invention；
Fig. 7 is the structural schematic diagram of terminal in another embodiment of the invention；
Fig. 8 is the structural schematic diagram of base station in another embodiment of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Term " includes " and " having " and their any deformation in description and claims of this specification, meaning
Figure be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units
Those of be not necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes,
The intrinsic other step or units of method, product or equipment.
In the present embodiment, base station can be global system for mobile telecommunications (Global System of Mobile
Communication, GSM) or CDMA (Code Division Multiple Access, CDMA) in base station (Base
Transceiver Station, BTS), it is also possible to wideband code division multiple access (Wideband Code Division Multiple
Access, WCDMA) in base station (NodeB, NB), can also be in LTE evolved base station (Evolutional Node B,
ENB or eNodeB), it can also be the base in new wireless access (New radio access technical, New RAT or NR)
The base station etc. stood in perhaps relay station or access point or future 5G network, does not limit herein.
In the present embodiment, terminal (UE) can be wireless terminal and be also possible to catv terminal, which can be
Refer to provide a user voice and/or other business datum connectivity equipment, with wireless connecting function handheld device or
It is connected to other processing equipments of radio modem.Wireless terminal can be through wireless access network (Radio Access
Network, RAN) communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or
For " honeycomb " phone) and computer with mobile terminal, for example, it may be in portable, pocket, hand-held, computer
Mobile device set or vehicle-mounted, they exchange language and/or data with wireless access network.For example, personal communication service
(Personal Communication Service, PCS) phone, wireless phone, Session initiation Protocol (Session
Initiation Protocol, SIP) phone, wireless local loop (Wireless Local Loop, WLL) stand, individual digital
The equipment such as assistant (Personal Digital Assistant, PDA).Wireless terminal is referred to as system, subscriber unit
(Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile Station), mobile station
(Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access terminal (Access
Terminal), terminal (User Terminal), user agent (User Agent), user equipment (User Device or
User Equipment), it is not limited thereto.
Referring to Fig. 1, the process of the ascending power control method of one embodiment, the executing subject of this method are shown in figure
For terminal, the specific steps are as follows:
Step 101, when the mutiple antennas of terminal receives downlink signal, obtain reception between each antenna downlink letter
Number measured value difference；
Above-mentioned mutiple antennas can be two antennas, that is, include primary antenna and auxiliary antenna, naturally it is also possible to be more than two
Antenna, it should be noted that in the present embodiment not specifically limit antenna particular number.For example, it may be in terminal
Whole antennas (primary antenna and auxiliary antenna) when receiving downlink signal, obtain the reception downlink signal between primary antenna and auxiliary antenna
Measured value difference.
Optionally, above-mentioned antenna can be it is following any one: physical antenna, antenna port and aerial panel.Certainly
It is not limited to this.Refer between above-mentioned antenna: between physical antenna or between antenna port or between aerial panel.It is right
In the following 5G terminal, the mode of aerial panel is generallyd use high band antenna, such as two aerial panels are arranged.
Optionally, above-mentioned downlink signal can be downlink reference signal or down channel, such as: CRS (Cell
Reference Signal, cell reference signals), CSI-RS (channel state information reference signals), DMRS (demodulation reference letter
Number), the signals or PDCCH (Physical Downlink Control Channel), PDSCH (Physical Downlink Shared Channel) etc. such as SS (synchronization signal)
Channel.
Optionally, above-mentioned measured value can be RSRP (Reference Signal Received Power) or RSSI (received signal strength refer to
Show) etc..
In the present embodiment, the difference of above-mentioned measured value, if antenna is aerial panel, the measurement of each aerial panel
Value can be aerial panel with the measured value for receiving beam forming gain, which can be is found by wave beam training
Optimal reception wave beam, or measurement when traverse all possible obtained optimal measured value of reception wave beam.This is each
The measured value of aerial panel is also possible to aerial panel without the measured value for receiving beam forming gain.
If step 102, difference meet preset condition, is sent to base station and report information；
In the present embodiment, if difference meets preset condition, triggering terminal sends to base station and reports information.
Optionally, above-mentioned preset condition is following any one:
Difference is greater than or equal to predetermined threshold value within a preset period of time；
Within a preset period of time, the assembly average of difference is greater than or equal to predetermined threshold value；
Difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the change rate of difference is greater than or equal to predetermined threshold value, wherein change rate is when default
Between ratio or difference in section between adjacent difference twice.
It should be noted that above-mentioned preset time period and predetermined threshold value can be configured or true by terminal by network side
It is fixed.
In the present embodiment, optionally, it includes following one or more for reporting the content in information: notification message or triggering
Message, the difference for meeting preset condition, the mark of the change rate of the assembly average of difference or difference and antenna.
Wherein, stop phenomenon for holding etc. occurs, if the change rate of difference, the assembly average of difference or difference is full
Sufficient preset condition, notification message or triggering message include " 0 ", and holding etc. does not occur and stops phenomenon, notification message or triggering for expression
Message includes " 1 ", then it represents that holding etc. occurs and stops phenomenon；
It reports the change rate of the difference in information, the assembly average of difference or difference to can be quantization, is also possible to
Non-quantized；
Report the mark of the antenna in information, comprising: receive the mark of the low antenna of measured value of downlink signal and/or connect
The mark of the high antenna of the measured value of receipts downlink signal.
Optionally, it is sent in this step to base station and reports information, comprising: sent by reserved ascending resource to base station
It notifies breath；Information is reported alternatively, sending by the ascending resource of high-rise configuration to base station；Alternatively, passing through Downlink Control Information
(DCI) ascending resource indicated sends to base station and reports information；Alternatively, being taken in channel status information reports (CSI report)
Information is reported to be sent to base station described in band, which can be periodic channel status information reports.
Step 103 obtains the power control information that base station reports information to send according to, and according to power control information
Carry out the adjustment of uplink transmission power.
Such as: the power control information notified according to the base station determines that the base station notice terminal uplink transmission is made
Antenna, and determine that the base station notice terminal uplink transmits used transmission mode；Then logical according to the base station
The power control information known carries out uplink transmission power adjustment to determining antenna.
If base station wants instruction terminal to send out using the antenna for the measured value high (such as measured value highest) for receiving downlink signal
Upstream data is penetrated, terminal, which obtains power control information, can be existing TPC (transmission power control) order.
If the antenna transmitting upstream data that base station wants instruction terminal low using the measured value for receiving downlink signal, optional
Ground, power control information be used to indicate power adjustment step size (such as the adjusting step include between antenna receive downlink letter
Number measured value difference) either the downlink path loss automatic compensating uplink transmission power that is measured according to oneself of notice terminal or refer to
Show transmission power calculation formula, which can be any one following form:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.
Above-mentioned physical layer control signaling can be newly-increased physical layer control signaling, be also possible to existing physical layer control
Emissive power control command in signaling, the emissive power control command in existing physical layer control signaling refers to, to existing
Emissive power control command added bits ordered to indicate the power control information, or using existing transmission power control
Unused bit status indicates the power control information in order.
The physical layer control signaling can by existing descending control information format (DCI format) or it is new under
Row controls information format to carry.Descending control information format, different descending control information formats correspond to different power
Adjusting step or different descending control information formats correspond to different rating formulas.
For example, the antenna for the blockings such as being held can be used indirectly in existing rating formula and antenna
The difference for receiving the measured value of downlink signal calculates uplink transmission power；And the antenna for the blockings such as not held can be used existing
Some rating formulas calculate uplink transmission power.
If base station wants instruction terminal to send out using the antenna for the measured value low (such as measured value is minimum) for receiving downlink signal
Upstream data is penetrated, in the present embodiment, optionally, the content in the power control information includes following one or more:
Adjust the transmission power step-length of antenna, such as phenomena such as adjustment power step size can offset holding caused power
Decaying, such as the adjustment power step size of antenna includes the difference that the measured value of downlink signal is received between antenna；
The information of instruction terminal automatic compensating uplink transmission power, such as: 1 bit indicates to be sent out by terminal automatic compensating uplink
Penetrate power；
The information of transmission power calculation formula corresponding with each antenna.
Optionally, power control information can also include: that the mark of antenna used in uplink and/or uplink pass
Transmission mode used in defeated, such as single-antenna transmission mode, emitting antenna selecting mode, diversity mode, space division multiplexing
Mode etc..
Assuming that terminal there are two antennas, it is individually identified as ant1 and ant2.The measured value that ant1 receives downlink signal is Pa1,
The measured value that ant2 receives downlink signal is Pa2, the difference of the measured value of downlink signal is received between antenna ant1 and antenna ant2
For delta, i.e. delta=Pa1- Pa2。
When delta is more than predetermined threshold value, then illustrate that antenna ant2 appearance such as is held at the blocking phenomenon.Terminal reports interior
Holding can be with are as follows: ant1, ant2, delta.
If base station marker antenna ant1 carries out uplink transmitting, using the Poewr control method in existing protocol, using existing
There is the TPC in agreement to notify terminal to do uplink transmission power adjustment.
If base station marker antenna ant2 carries out uplink transmitting, it is additional to need to notify that the transmission power of terminal antenna ant2 needs
Increase delta.Such as: in power control information, 1 bit can be increased newly, whether carry out instruction terminal according under itself measurement
Row path loss is voluntarily adjusted the transmission power of antenna ant2.Alternatively, modifying to existing TPC command, such as indicate
The transmission power adjusting step of terminal antenna ant2 is delta.
In the present embodiment, when the mutiple antennas of terminal receives downlink signal, if the reception downlink between antenna is believed
Number the difference of measured value meet preset condition, then sent to base station and report information, so that biography of the base station according to the antenna of terminal
Situations such as defeated blocking, can fast implement uplink power adjustment, reduce the expense of control signaling, guarantee the continuous of system transmission
Property.
Referring to fig. 2, the process of the ascending power control method of another embodiment, the execution master of this method are shown in figure
Body is terminal, the specific steps are as follows:
Step 201, reported to base station automatic compensating uplink transmission power ability relevant information；
Such as: the ability that the terminal has automatic compensating uplink transmission power is sent to the base station by explicit way
Relevant information.Specifically, the terminal is sent to base station to support according to the measured value for receiving downlink signal between antenna
The relevant information of the ability of difference automatic compensating uplink transmission power.Above-mentioned explicit way is directly to increase in terminal capability certainly
The ability of row compensation uplink transmission power.
Another example is: the ability of the automatic compensating uplink transmission power of the terminal is sent to the base station by implicit
Relevant information.Specifically, the ability of automatic compensating uplink transmission power is associated with relevant information, relevant information can be end
Version information or other ability informations are held, other ability informations can be the uplink transmission mode ability information of terminal support,
Such as antenna selection mode ability information, the uplink transmitting diversity for supporting the ability of automatic compensating uplink transmission power and terminal
Ability information or the ability information of upstream space multiplexing are associated.
The antenna selection mode ability information that if base station receives the version information of terminal or terminal is supported, uplink transmitting
Diversity ability information or upstream space multiplexing capacity information, implying indicates that the terminal is capable of the upper of automatic compensating or each antenna of amendment
Row transmission power, to realize new transmission mode.
Step 202, when the mutiple antennas of terminal receives downlink signal, obtain reception between each antenna downlink letter
Number measured value difference；
If step 203, difference meet preset condition, is sent to base station and report information；
Step 204 obtains base station according to the power control information for reporting information to send, and is carried out according to power control information
The adjustment of uplink transmission power.
For example, power control information includes that notice terminal uses antenna selection mode, notice terminal to use uplink transmitting point
Integrated mode or notice terminal use upstream space multiplexer mode, at this time terminal automatic compensating uplink transmission power.That is, to not by
The antenna of the blockings such as holding, the uplink transmission power of the antenna is calculated using existing uplink transmission power calculation formula；To by hand
The antenna for the blockings such as holding is emitted using the uplink that existing uplink transmission power calculation formula and newly-increased parameter calculate the antenna
Power, which can be equal to the difference that the measured value of downlink signal is received between antenna, by the parameter to the uplink of antenna
Transmission power is modified.
It should be noted that above-mentioned steps 202 are similar with step 101 shown in FIG. 1, above-mentioned steps 203 with it is shown in FIG. 1
Step 102 is similar, and above-mentioned steps 204 are similar with step 103 shown in FIG. 1, no longer repeats herein.
In the present embodiment, when the mutiple antennas of terminal receives downlink signal, if the reception downlink between antenna is believed
Number the difference of measured value meet preset condition, then sent to base station and report information, enable base station according to the antenna of terminal
Transmission situations such as stopping, uplink power adjustment can be fast implemented, reduce the expense of control signaling, guarantee the company of system transmission
Continuous property.
Referring to Fig. 3, the process of the ascending power control method of one embodiment, the executing subject of this method are shown in figure
For base station, the specific steps are as follows:
When step 301, the difference of measured value of reception downlink signal between the antenna of terminal meet preset condition, obtain
Take the terminal transmission reports information；
Step 302 reports information to send power control information to the terminal according to.
If the antenna transmitting upstream data that base station wants instruction terminal high using the measured value for receiving downlink signal, terminal obtain
Power control information is taken to can be existing TPC (transmission power control) order.
If the antenna transmitting upstream data that base station wants instruction terminal low using the measured value for receiving downlink signal, optional
Ground, power control information be used to indicate power adjustment step size (such as the adjusting step include between antenna receive downlink letter
Number measured value difference) either the downlink path loss automatic compensating uplink transmission power that is measured according to oneself of notice terminal or refer to
Show transmission power calculation formula, the power control information can be it is following any one:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.Above-mentioned physical layer control signaling can be newly-increased physical layer control signaling,
It can be the emissive power control command in existing physical layer control signaling, the transmitting function in existing physical layer control signaling
Rate control command refers to, indicates the power control information, Huo Zheli to existing emissive power control command added bits
The power control information is indicated with bit status unused in existing emissive power control command.
The physical layer control signaling can be by existing descending control information format or new Downlink Control Information lattice
Formula carries.Different descending control information formats corresponds to different power adjustment step sizes or different downlinks control letter
It ceases format and corresponds to different rating formulas.
For example, being received between antenna to the terminal antennas of blockings such as being held using increasing in existing rating formula
The difference of the measured value of downlink signal；And the terminal antenna for the blockings such as not held uses existing rating formula.
If the antenna transmitting upstream data that base station wants instruction terminal low using the measured value for receiving downlink signal, in this reality
It applies in example, optionally, the content in the power control information includes following one or more:
Adjust the transmission power step-length of antenna, such as phenomena such as adjustment power step size can offset holding caused power
Decaying, such as the adjustment power step size of antenna includes the difference that the measured value of downlink signal is received between antenna；
The information of instruction terminal automatic compensating uplink transmission power, such as: 1 bit indicates to be sent out by terminal automatic compensating uplink
Penetrate power；
The information of transmission power calculation formula corresponding with each antenna.
Optionally, power control information can also include: that the mark of antenna used in uplink and/or uplink pass
Transmission mode used in defeated, such as single-antenna transmission mode, emitting antenna selecting mode, diversity mode, space division multiplexing
Mode etc..
In the present embodiment, when the mutiple antennas of terminal receives downlink signal, if the reception downlink between antenna is believed
Number the difference of measured value meet preset condition, then sent to base station and report information, enable base station according to the antenna of terminal
Transmission situations such as stopping, uplink power adjustment can be fast implemented, reduce the expense of control signaling, guarantee the company of system transmission
Continuous property.
Referring to fig. 4, the process of the ascending power control method of another embodiment, the execution master of this method are shown in figure
Body is base station, the specific steps are as follows:
The relevant information of the ability for the automatic compensating uplink transmission power that step 401, acquisition terminal report.
Such as: obtain the automatic compensating uplink transmission power that terminal sends the terminal by explicit way to the base station
Ability relevant information.Specifically, the terminal that terminal is sent is obtained to support according to the reception downlink signal between antenna
Measured value difference automatic compensating uplink transmission power ability relevant information.
Another example is: the ability of the automatic compensating uplink transmission power of the terminal is sent to the base station by implicit
Relevant information.Specifically, the ability of automatic compensating uplink transmission power is associated with relevant information, relevant information can be end
Version information or other ability informations are held, other ability informations can be the uplink transmission mode ability information of terminal support,
Such as antenna selection mode ability information, the uplink transmitting diversity for supporting the ability of automatic compensating uplink transmission power and terminal
Ability information or the ability information of upstream space multiplexing are associated.
When step 402, the difference of measured value of reception downlink signal between the antenna of terminal meet preset condition, obtain
Take the terminal transmission reports information；
Step 403, the ability for the automatic compensating uplink transmission power for reporting information and terminal to report according to are to described
Terminal sends power control information.
For example, power control information includes that notice terminal uses antenna selection mode, notice terminal to use uplink transmitting point
Integrated mode or notice terminal use upstream space multiplexer mode, at this time terminal automatic compensating uplink transmission power.That is, to not by
The antenna of the blockings such as holding, the uplink transmission power of the antenna is calculated using existing uplink transmission power calculation formula；To by hand
The antenna for the blockings such as holding is emitted using the uplink that existing uplink transmission power calculation formula and newly-increased parameter calculate the antenna
Power, which can be equal to the difference that the measured value of downlink signal is received between antenna, by the parameter to the uplink of antenna
Transmission power is modified.
It should be noted that above-mentioned steps 402 are similar with step 301 shown in Fig. 3, above-mentioned steps 403 with it is shown in Fig. 3
Step 302 is similar, no longer repeats herein.
In the present embodiment, when the mutiple antennas of terminal receives downlink signal, if the reception downlink between antenna is believed
Number the difference of measured value meet preset condition, then sent to base station and report information, enable base station according to the antenna of terminal
Transmission situations such as stopping, uplink power adjustment can be fast implemented, reduce the expense of control signaling, guarantee the company of system transmission
Continuous property.
A kind of terminal is additionally provided in the embodiment of the present invention, the principle and the embodiment of the present invention solved the problems, such as due to the terminal
Middle ascending power control method is similar, therefore the implementation of the terminal may refer to the implementation of method, no longer applies and states in place of repeating.
Referring to Fig. 5, the structure of terminal is shown in figure, which includes:
First obtains module 501, for obtaining between each antenna when the mutiple antennas of the terminal receives downlink signal
The reception downlink signal measured value difference；
First sending module 502 sends to base station if meeting preset condition for the difference and reports information；
The first adjustment module 503, the power control information for reporting information to send according to for obtaining the base station, and
The adjustment of uplink transmission power is carried out according to the power control information.
Optionally, the antenna is physical antenna, antenna port or aerial panel.
Optionally, if the antenna is aerial panel, the measured value are as follows: aerial panel increases with wave beam forming is received
The measured value or aerial panel of benefit are without the measured value for receiving beam forming gain.
Optionally, the preset condition is following any one:
Within a preset period of time, the difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the assembly average of the difference is greater than or equal to predetermined threshold value；
The difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the change rate of the difference is greater than or equal to predetermined threshold value, and the change rate is pre-
If ratio or difference in the period between adjacent difference twice.
Optionally, the predetermined threshold value is configured by network side, or determines configuration by terminal.
Optionally, the content reported in information includes following one or more:
Notification message or triggering message；
The mark of antenna；
Meet the change rate of the difference of the preset condition, the assembly average of difference or difference.
Optionally, first sending module 502 is further used for:
If the difference meets preset condition, is sent by reserved ascending resource to base station and report information；
Alternatively,
If the difference meets preset condition, is sent by the ascending resource of high level configuration to base station and report information；
Alternatively,
If the difference meets preset condition, sent by the ascending resource that Downlink Control Information DCI is indicated to base station
Report information；
Alternatively,
If the difference meets preset condition, information is reported to be sent to base described in carrying in channel status information reports
It stands.
Optionally, the first adjustment module 503 is further used for:
According to the power control information that the base station notifies, determine that the base station notice terminal uplink transmits used day
Line, and determine that the base station notice terminal uplink transmits used transmission mode；
According to the power control information that the base station notifies, uplink transmission power adjustment is carried out to determining antenna.
Optionally, the power control information is any one following form:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.
Optionally, the content in the power control information includes following one or more:
Adjust the transmission power step-length of antenna；
The information or terminal of instruction terminal automatic compensating uplink transmission power do not need automatic compensating uplink transmission power；
Transmission power calculation formula corresponding with each antenna.
Optionally, the power control information further include:
The mark of antenna used in uplink；And/or
Transmission mode used in uplink.
Optionally, first sending module 502 is also used to: the automatic compensating uplink of the terminal is sent to the base station
The relevant information of the ability of transmission power.
Optionally, the terminal 500 further include:
Relating module, for the ability of automatic compensating uplink transmission power to be associated with relevant information.
Terminal provided in this embodiment can execute above method embodiment, and it is similar that the realization principle and technical effect are similar, this
Details are not described herein again for embodiment.
A kind of base station is additionally provided in the embodiment of the present invention, the principle and the embodiment of the present invention solved the problems, such as due to the base station
Middle ascending power control method is similar, therefore the implementation of the base station may refer to the implementation of method, no longer applies and states in place of repeating.
Referring to Fig. 6, the structure of base station is shown in figure, which includes:
Second obtains module 601, and the difference of the measured value for the reception downlink signal between the antenna of terminal meets
When preset condition, obtain the terminal transmission reports information；
Second sending module 602, for reporting information to send power control information to the terminal according to.
Optionally, the power control information is any one following form:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.Optionally, the power control information includes following one or more:
Adjust the transmission power step-length of antenna；
The information or terminal of instruction terminal automatic compensating uplink transmission power do not need automatic compensating uplink transmission power；
Transmission power calculation formula corresponding with each antenna.
Optionally, the power control information further include:
The mark of antenna used in uplink；And/or
Transmission mode used in uplink.
Optionally, the second acquisition module 601 is also used to: obtaining the automatic compensating uplink transmitting function that the terminal is sent
The relevant information of the ability of rate.
Base station provided in this embodiment can execute above method embodiment, and it is similar that the realization principle and technical effect are similar, this
Details are not described herein again for embodiment.
The hardware structural diagram of a kind of base station and terminal is also provided in following embodiments.
The structure chart of the base station of application of the embodiment of the present invention referring to Fig. 7, can be realized in above-mentioned corresponding embodiment
The details of ascending power control method, and reach identical effect.As shown in fig. 7, base station 700 includes: processor 701, transmitting-receiving
Machine 702, memory 703 and bus interface, in which:
In embodiments of the present invention, base station 700 further include: storage 703 and can be run on processor 701 on a memory
Computer program, computer program by processor 701, execute when realize following steps: the reception between the antenna of terminal
When the difference of the measured value of downlink signal meets preset condition, obtain the terminal transmission reports information；It is reported according to described
Information sends power control information to the terminal.
In Fig. 7, bus architecture may include the bus and bridge of any number of interconnection, specifically be represented by processor 701
One or more processors and the various circuits of memory that represent of memory 703 link together.Bus architecture can be with
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like are linked together, these are all these
Well known to field, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 702 can be
Multiple element includes transmitter and receiver, provides the unit for communicating over a transmission medium with various other devices.Needle
To different user equipmenies, user interface can also be can the external inscribed interface for needing equipment, the equipment of connection include but
It is not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 701, which is responsible for management bus architecture and common processing, memory 703, can store processor 701 and is holding
Used data when row operation.
Optionally, following steps be can also be achieved when computer program is executed by processor 703: obtaining what the terminal was sent
The relevant information of the ability of automatic compensating uplink transmission power.
Fig. 8 be another embodiment of the present invention provides terminal structural schematic diagram.As shown in figure 8, terminal shown in Fig. 8
800 include: at least one processor 801, memory 802, at least one network interface 804 and user interface 803.Terminal 800
In various components be coupled by bus system 805.It is understood that bus system 805 is for realizing between these components
Connection communication.Bus system 805 further includes that power bus, control bus and status signal are total in addition to including data/address bus
Line.But for the sake of clear explanation, various buses are all designated as bus system 805 in fig. 8.
Wherein, user interface 803 may include display, keyboard or pointing device (for example, mouse, trace ball
(trackball), touch-sensitive plate or touch screen etc..
It is appreciated that the memory 802 in the embodiment of the present invention can be volatile memory or nonvolatile memory,
It or may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-
OnlyMemory, ROM), programmable read only memory (ProgrammableROM, PROM), Erasable Programmable Read Only Memory EPROM
(ErasablePROM, EPROM), electrically erasable programmable read-only memory (ElectricallyEPROM, EEPROM) dodge
It deposits.Volatile memory can be random access memory (RandomAccessMemory, RAM), and it is slow to be used as external high speed
It deposits.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(StaticRAM, SRAM), dynamic random access memory (DynamicRAM, DRAM), Synchronous Dynamic Random Access Memory
(SynchronousDRAM, SDRAM), double data speed synchronous dynamic RAM (DoubleDataRate
SDRAM, DDRSDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (SynchlinkDRAM, SLDRAM) and direct rambus random access memory
(DirectRambusRAM, DRRAM).The memory 802 of the system and method for description of the embodiment of the present invention is intended to include but unlimited
In the memory of these and any other suitable type.
In some embodiments, memory 802 saves following element, executable modules or data structures, or
Their subset of person or their superset: operating system 8021 and application program 8022.
Wherein, operating system 8021 include various system programs, such as ccf layer, core library layer, driving layer etc., are used for
Realize various basic businesses and the hardware based task of processing.Application program 8022 includes various application programs, such as media
Player (MediaPlayer), browser (Browser) etc., for realizing various applied business.Realize embodiment of the present invention side
The program of method may be embodied in application program 8022.
In embodiments of the present invention, by the program or instruction of calling memory 802 to save, specifically, can be application
The program or instruction saved in program 8022, processor 801 can execute method performed by above-mentioned terminal.
The method that the embodiments of the present invention disclose can be applied in processor 801, or be realized by processor 801.
Processor 801 may be a kind of IC chip, the processing capacity with signal.During realization, the above method it is each
Step can be completed by the integrated logic circuit of the hardware in processor 801 or the instruction of software form.Above-mentioned processing
Device 801 can be general processor, digital signal processor (DigitalSignalProcessor, DSP), specific integrated circuit
(ApplicationSpecific IntegratedCircuit, ASIC), ready-made programmable gate array
(FieldProgrammableGateArray, FPGA) either other programmable logic device, discrete gate or transistor logic
Device, discrete hardware components.It may be implemented or execute disclosed each method, step and the logical box in the embodiment of the present invention
Figure.General processor can be microprocessor or the processor is also possible to any conventional processor etc..In conjunction with the present invention
The step of method disclosed in embodiment, can be embodied directly in hardware decoding processor and execute completion, or use decoding processor
In hardware and software module combination execute completion.Software module can be located at random access memory, and flash memory, read-only memory can
In the preservation medium of this fields such as program read-only memory or electrically erasable programmable memory, register maturation.The preservation
Medium is located at memory 802, and processor 801 reads the information in memory 802, and the step of the above method is completed in conjunction with its hardware
Suddenly.
It is understood that the embodiment of the present invention description these embodiments can with hardware, software, firmware, middleware,
Microcode or combinations thereof is realized.For hardware realization, processing unit be may be implemented in one or more specific integrated circuits
(ApplicationSpecificIntegratedCircuits, ASIC), digital signal processor
(DigitalSignalProcessing, DSP), digital signal processing appts (DSPDevice, DSPD), programmable logic device
(ProgrammableLogicDevice, PLD), field programmable gate array (Field-ProgrammableGateArray,
FPGA), general processor, controller, microcontroller, microprocessor, other electronics lists for executing function of the present invention
In member or combinations thereof.
For software implementations, can by execute the embodiment of the present invention described in function module (such as process, function etc.) come
Realize technology described in the embodiment of the present invention.Software code can be reserved in memory and be executed by processor.Memory can
With portion realizes in the processor or outside the processor.
Specifically, program or instruction that processor 801 can call memory 802 to save execute following below scheme: described
When the mutiple antennas of terminal receives downlink signal, the difference of the measured value of the reception downlink signal between each antenna is obtained；
If the difference meets preset condition, is sent to base station and report information；Obtain the base station reports information to send according to
Power control information, and according to the power control information carry out uplink transmission power adjustment.
Optionally, program or instruction that processor 801 can call memory 802 to save execute following below scheme: by pre-
The ascending resource stayed sends to base station and reports information；Information is reported alternatively, sending by the ascending resource of high-rise configuration to base station；
Alternatively, the ascending resource indicated by Downlink Control Information DCI is sent to base station reports information；Alternatively, in channel state information
Information is reported to be sent to base station described in carrying in report.
Optionally, program or instruction that processor 801 can call memory 802 to save execute following below scheme: according to institute
The power control information for stating base station notice determines that the base station notice terminal uplink transmits used antenna, and determines institute
It states base station notice terminal uplink and transmits used transmission mode；According to the power control information that the base station notifies, to determination
Antenna carry out uplink transmission power adjustment.
The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is contained, the computer program realizes the implementation of ascending power control method as described above when being executed by processor
Step in example.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In embodiment provided herein, it should be understood that disclosed device and method can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer-readable preservation medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a preservation medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And preservation medium above-mentioned includes: that USB flash disk, mobile hard disk, ROM, RAM, magnetic or disk etc. are various can be with save routine code
Medium.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (39)
1. a kind of ascending power control method is applied to terminal, which is characterized in that the described method includes:
When the mutiple antennas of the terminal receives downlink signal, the measurement of the reception downlink signal between each antenna is obtained
The difference of value；
If the difference meets preset condition, is sent to base station and report information；
The power control information that the base station reports information to send according to is obtained, and is carried out according to the power control information
The adjustment of uplink transmission power.
2. the method according to claim 1, wherein the antenna is physical antenna, antenna port or antenna surface
Plate.
3. according to the method described in claim 2, it is characterized in that, if the antenna is aerial panel, the measured value are as follows:
Aerial panel is with the measured value or aerial panel for receiving beam forming gain without the measurement for receiving beam forming gain
Value.
4. the method according to claim 1, wherein the preset condition is following any one:
Within a preset period of time, the difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the assembly average of the difference is greater than or equal to predetermined threshold value；
The difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the change rate of the difference is greater than or equal to predetermined threshold value.
5. according to the method described in claim 4, it is characterized in that, the predetermined threshold value is configured by network side, or by end
End determines configuration.
6. according to the method described in claim 4, it is characterized in that, the content reported in information includes with the next item down or more
:
Notification message or triggering message；
The mark of antenna；
Meet the change rate of the difference of the preset condition, the assembly average of difference or difference.
7. the method according to claim 1, wherein described send to base station reports information, comprising:
It is sent by reserved ascending resource to base station and reports information；
Alternatively,
It is sent by the ascending resource of high level configuration to base station and reports information；
Alternatively,
The ascending resource indicated by Downlink Control Information DCI sends to base station and reports information；
Alternatively,
Information is reported to be sent to base station described in carrying in channel status information reports.
8. the method according to claim 1, wherein described carry out uplink transmitting according to the power control information
Power adjustment, comprising:
According to the power control information that the base station notifies, determine that the terminal uplink of the base station notice transmits used day
Line；
According to the power control information that the base station notifies, uplink transmission power adjustment is carried out to the determining antenna.
9. the method according to claim 1, wherein the power control information is any one following form:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.
10. the method according to claim 1, wherein the content in the power control information includes with next
Item is multinomial:
Adjust the transmission power step-length of antenna；
The information of instruction terminal automatic compensating uplink transmission power；
Transmission power calculation formula corresponding with each antenna.
11. the method according to claim 1, wherein the power control information further include:
The mark of antenna used in uplink；And/or
Transmission mode used in uplink.
12. the method according to claim 1, wherein the method also includes:
The relevant information of ability of the terminal with automatic compensating uplink transmission power is sent to the base station.
13. according to the method for claim 12, which is characterized in that the method also includes:
The ability of automatic compensating uplink transmission power is associated with the relevant information.
14. a kind of ascending power control method is applied to base station characterized by comprising
When the difference of the measured value of reception downlink signal between the antenna of terminal meets preset condition, the terminal hair is obtained
That send reports information；
Information is reported to send power control information to the terminal according to described.
15. according to the method for claim 14, which is characterized in that the power control information is any one following shape
Formula:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.
16. according to the method for claim 14, which is characterized in that the content in the power control information includes with next
Item is multinomial:
Adjust the transmission power step-length of antenna；
The information of instruction terminal automatic compensating uplink transmission power；
Transmission power calculation formula corresponding with each antenna.
17. according to the method for claim 14, which is characterized in that the power control information further include:
The mark of antenna used in uplink；And/or
Transmission mode used in uplink.
18. according to the method for claim 14, which is characterized in that the method also includes:
Obtaining the expression terminal that the terminal is sent has the relevant information of ability of automatic compensating uplink transmission power.
19. a kind of terminal characterized by comprising
First obtains module, for obtaining the reception between each antenna when the mutiple antennas of the terminal receives downlink signal
The difference of the measured value of the downlink signal；
First sending module sends to base station if meeting preset condition for the difference and reports information；
The first adjustment module, the power control information for reporting information to send according to for obtaining the base station, and according to institute
State the adjustment that power control information carries out uplink transmission power.
20. terminal according to claim 19, which is characterized in that the antenna is physical antenna, antenna port or antenna
Panel.
21. terminal according to claim 20, which is characterized in that if the antenna is aerial panel, the measured value
Are as follows: aerial panel is with the measured value or aerial panel for receiving beam forming gain without reception beam forming gain
Measured value.
22. terminal according to claim 21, which is characterized in that the preset condition is following any one:
Within a preset period of time, the difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the assembly average of the difference is greater than or equal to predetermined threshold value；
The difference is greater than or equal to predetermined threshold value；
Within a preset period of time, the change rate of the difference is greater than or equal to predetermined threshold value.
23. terminal according to claim 19, which is characterized in that the predetermined threshold value is configured by network side, Huo Zheyou
Terminal determines configuration.
24. terminal according to claim 22, which is characterized in that the content reported in information include with the next item down or
It is multinomial:
Notification message or triggering message；
The mark of antenna；
Meet the change rate of the difference of the preset condition, the assembly average of difference or difference.
25. terminal according to claim 19, which is characterized in that first sending module is further used for:
If the difference meets preset condition, is sent by reserved ascending resource to base station and report information；
Alternatively,
If the difference meets preset condition, is sent by the ascending resource of high level configuration to base station and report information；
Alternatively,
If the difference meets preset condition, the ascending resource indicated by Downlink Control Information DCI sends to base station and reports
Information；
Alternatively,
If the difference meets preset condition, information is reported to be sent to base station described in carrying in channel status information reports.
26. terminal according to claim 19, which is characterized in that the first adjustment module is further used for:
According to the power control information that the base station notifies, determine that the terminal uplink of the base station notice transmits used day
Line, and determine that the base station notice terminal uplink transmits used transmission mode；
According to the power control information that the base station notifies, uplink transmission power adjustment is carried out to the determining antenna.
27. terminal according to claim 19, which is characterized in that the power control information is any one following shape
Formula:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.
28. terminal according to claim 19, which is characterized in that the content in the power control information includes with next
Item is multinomial:
Adjust the transmission power step-length of antenna；
The information of instruction terminal automatic compensating uplink transmission power；
Transmission power calculation formula corresponding with each antenna.
29. terminal according to claim 19, which is characterized in that the power control information further include:
The mark of antenna used in uplink；And/or
Transmission mode used in uplink.
30. terminal according to claim 21, which is characterized in that first sending module is also used to: to the base station
Send the relevant information of ability of the terminal with automatic compensating uplink transmission power.
31. terminal according to claim 30, which is characterized in that the terminal further include:
Relating module, for the ability of automatic compensating uplink transmission power to be associated with the relevant information.
32. a kind of base station characterized by comprising
Second obtains module, and the difference of the measured value for the reception downlink signal between the antenna of terminal meets preset condition
When, obtain the terminal transmission reports information；
Second sending module, for reporting information to send power control information to the terminal according to.
33. base station according to claim 32, which is characterized in that the power control information is any one following shape
Formula:
Physical layer control signaling；
Radio resource control RRC layer message；
Media access control MAC layer message.
34. base station according to claim 32, which is characterized in that the power control information includes with the next item down or more
:
Adjust the transmission power step-length of antenna；
The information of instruction terminal automatic compensating uplink transmission power；
Transmission power calculation formula corresponding with each antenna.
35. base station according to claim 32, which is characterized in that the power control information further include:
The mark of antenna used in uplink；And/or
Transmission mode used in uplink.
36. base station according to claim 34, which is characterized in that the second acquisition module is also used to: obtaining the end
The expression terminal that end is sent has the relevant information of the ability of automatic compensating uplink transmission power.
37. a kind of terminal, which is characterized in that including processor, memory and be stored on the memory and can be at the place
The computer program run on reason device is realized when the computer program is executed by the processor as in claim 1 to 13
The step of described in any item ascending power control methods.
38. a kind of base station, which is characterized in that including processor, memory and be stored on the memory and can be at the place
The computer program run on reason device is realized when the computer program is executed by the processor as in claim 14 to 18
The step of described in any item ascending power control methods.
39. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the uplink power control as described in any one of claims 1 to 13 when the computer program is executed by processor
The step of method processed；Or the step of ascending power control method as described in any one of claim 14 to 18.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526260.6A CN109219119A (en) | 2017-06-30 | 2017-06-30 | A kind of ascending power control method, base station and terminal |
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| CN201710526260.6A CN109219119A (en) | 2017-06-30 | 2017-06-30 | A kind of ascending power control method, base station and terminal |
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| CN110958664A (en) * | 2019-11-12 | 2020-04-03 | 中国核电工程有限公司 | Power control method and system for improving electromagnetic compatibility of instrument control equipment |
| WO2023173358A1 (en) * | 2022-03-17 | 2023-09-21 | Qualcomm Incorporated | Managing power imbalances and power controls for antennas |
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Application publication date: 20190115 |