CN105471446A - Power amplification processing method and device - Google Patents
Power amplification processing method and device Download PDFInfo
- Publication number
- CN105471446A CN105471446A CN201410449602.5A CN201410449602A CN105471446A CN 105471446 A CN105471446 A CN 105471446A CN 201410449602 A CN201410449602 A CN 201410449602A CN 105471446 A CN105471446 A CN 105471446A
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- Prior art keywords
- power amplifier
- grid voltage
- power
- baseband signal
- determined
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
- H03F1/0272—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/105—A non-specified detector of the power of a signal being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/18—Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal
Abstract
The invention discloses a power amplification processing method and a power amplification processing device. The power amplification processing method comprises the steps of: detecting power of a baseband signal; determining a power amplification gate voltage according to the detected power; and carrying out power amplification processing on an RF signal converted from the baseband signal through processing according to the gate voltage. By adopting the power amplification processing method and the power amplification processing device, the problems that the power amplification efficiency and performance are low since signals of different types are subjected to power amplification by using a fixed gate voltage in the prior art are solved, and the effects of improving power amplification efficiency and performance through dynamically adjusting the gate voltage in real time according to power of the baseband signal are achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of power amplifier processing method and device.
Background technology
Along with the development of mechanics of communication, in wireless telecommunications, the communication network of various standard is constantly updated, in order to meet the demand that people day by day all increase network, No.3 generation mobile communication system (ThirdGeneration, referred to as 3G) network is commercial in the whole world, forth generation mobile communcations system (FourthGeneration, referred to as 4G) Long Term Evolution mobile communcations system (LongTermEvolution, referred to as LTE) network technology also continuous renewal change into.Network communications quality and the network coverage have become the leading indicator of each large operator competition.Meanwhile, the energy consumption of base station, volume and the unfailing performance of arranging net also becomes the key factor of Cost Competition between Ge great operator.
Sender technology reaches its maturity, also more and more high to the efficiency requirements of its intermediate power amplifier.Wherein, conventional efficiency and the performance regulating the grid voltage (or being called power amplifier grid voltage) of power amplifier to adjust power amplifier.In the related, power amplifier module inside carries single-chip microcomputer, controls the grid voltage of power amplifier for fixed value.For dissimilar signal, best grid voltage corresponding in reality is different, if fixing grid voltage, the performance for signal specific can not reach best.
Therefore, in the related, adopt fixed railing to compress into row power amplifier for dissimilar signal, there is the problem of power amplification efficiency and degraded performance.
Summary of the invention
The invention provides a kind of power amplifier processing method and device, at least to solve in correlation technique, adopt fixed railing to compress into row power amplifier for dissimilar signal, there is the problem of power amplification efficiency and degraded performance.
According to an aspect of the present invention, provide a kind of power amplifier processing method, comprising: the power detecting baseband signal; According to the described power determination power amplifier grid voltage detected; Power amplifier process is carried out to by the radio frequency after described baseband signal conversion process according to the described power amplifier grid voltage determined.
Preferably, the described power detecting described baseband signal comprises: the cycle determining the described power detecting described baseband signal; According to the described power of baseband signal described in the described cycle detection determined.
Preferably, determine that described power amplifier grid voltage comprises according to the described power detected: determine the corresponding relation between power grade and power amplifier grid voltage; According to the described corresponding relation determined, and the described power detected determines described power amplifier grid voltage.
Preferably, comprise carrying out power amplifier process by the radiofrequency signal after described baseband signal conversion process according to the described power amplifier grid voltage determined: by described baseband signal through digital-to-analogue conversion, up-conversion, amplification, filtering process radio frequency signal generation; According to the described power amplifier grid voltage determined, power amplifier process is carried out to the described radiofrequency signal generated.
Preferably, carry out power amplifier process according to the described power amplifier grid voltage determined to the described radiofrequency signal generated to comprise: the time delay determining synchronous described radiofrequency signal and described power amplifier grid voltage; According to the described time delay determined, power amplifier process is carried out to the described radiofrequency signal generated.
According to a further aspect in the invention, provide a kind of power amplifier processing unit, comprising: detection module, for detecting the power of baseband signal; First determination module, for the described power determination power amplifier grid voltage that foundation detects; Processing module, for carrying out power amplifier process according to the described power amplifier grid voltage determined to by the radiofrequency signal after described baseband signal conversion process.
Preferably, described detection module comprises: the first determining unit, for determining the cycle of the described power detecting described baseband signal; Detecting unit, for the described power according to baseband signal described in the described cycle detection determined.
Preferably, described first determination module comprises: the second determining unit, for determining the corresponding relation between power grade and power amplifier grid voltage; 3rd determining unit, for the described corresponding relation that foundation is determined, and the described power detected determines described power amplifier grid voltage.
Preferably, described processing module comprises: generation unit, for by described baseband signal through digital-to-analogue conversion, up-conversion, amplification, filtering process radio frequency signal generation; Processing unit, for carrying out power amplifier process according to the described power amplifier grid voltage determined to the described radiofrequency signal generated.
Preferably, described processing unit comprises: determine subelement, for determining the time delay of synchronous described radiofrequency signal and described power amplifier grid voltage; Process subelement, for carrying out power amplifier process according to the described time delay determined to the described radiofrequency signal generated.
By the present invention, adopt the power detecting baseband signal; According to the described power determination power amplifier grid voltage detected; Power amplifier process is carried out to by the radiofrequency signal after described baseband signal conversion process according to the described power amplifier grid voltage determined, solve in correlation technique, fixed railing is adopted to compress into row power amplifier for dissimilar signal, there is the problem of power amplification efficiency and degraded performance, and then the power dynamic realtime adjustment power amplifier grid voltage reached according to baseband signal, and then effectively improve the efficiency of power and the effect of performance.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of the power amplifier processing method according to the embodiment of the present invention;
Fig. 2 is the structured flowchart of the power amplifier processing unit according to the embodiment of the present invention;
Fig. 3 is the preferred structure block diagram of detection module 22 in the power amplifier processing unit according to the embodiment of the present invention;
Fig. 4 is the preferred structure block diagram of the first determination module 24 in the power amplifier processing unit according to the embodiment of the present invention;
Fig. 5 is the preferred structure block diagram of processing module 26 in the power amplifier processing unit according to the embodiment of the present invention;
Fig. 6 is the preferred structure block diagram of processing unit 54 in processing module 26 in the power amplifier processing unit according to the embodiment of the present invention;
Fig. 7 is the structural representation of power amplifier processing unit according to the preferred embodiment of the invention;
Fig. 8 is the structural representation of signal estimation module 72 in the power amplifier processing unit according to the embodiment of the present invention;
Fig. 9 is the schematic diagram according to voltage cell 86 power of the embodiment of the present invention and the correspondence table of grid voltage and voltage output switch;
Figure 10 is power amplifier process chart according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Provide a kind of power amplifier processing method in the present embodiment, Fig. 1 is the flow chart of the power amplifier processing method according to the embodiment of the present invention, and as shown in Figure 1, this flow process comprises the steps:
Step S102, detects the power of baseband signal;
Step S104, according to the power determination power amplifier grid voltage detected;
Step S106, carries out power amplifier process according to the power amplifier grid voltage determined to by the radiofrequency signal after baseband signal conversion process.
Pass through above-mentioned steps, the power amplifier grid voltage of this baseband signal is determined according to baseband signal, power amplifier process is carried out according to the power amplifier grid voltage determined, relative to adopting fixing grid voltage in correlation technique, signal is processed, not only advantageously solve in correlation technique, fixed railing is adopted to compress into row power amplifier for dissimilar signal, there is the problem of power amplification efficiency and degraded performance, and then the power dynamic realtime adjustment power amplifier grid voltage reached according to baseband signal, and then effectively improve the efficiency of power and the effect of performance.
When detecting the power of baseband signal, the different cycles can be adopted to detect for different signals, namely first determine the cycle of the power detecting baseband signal; According to the power of the cycle detection baseband signal determined.
When determining above-mentioned power amplifier grid voltage according to the power detected, first to power divider grade, afterwards, the corresponding relation between power grade and power amplifier grid voltage can be determined; According to the corresponding relation determined, and the power detected determines this power amplifier grid voltage.By such process, the suitable power amplifier grid voltage can determining corresponding to the power that detects rapidly according to power grade.
Preferably, according to the power amplifier grid voltage determined to when carrying out power amplifier process by the radiofrequency signal after baseband signal conversion process, can comprise baseband signal through digital-to-analogue conversion, up-conversion, amplification, filtering process radio frequency signal generation; According to the power amplifier grid voltage determined, power amplifier process is carried out to the radiofrequency signal generated.
In addition, when carrying out power amplifier process according to the power amplifier grid voltage determined to the radiofrequency signal generated, because different signal demands adopts different power amplifier grid voltages, therefore, when adopting different power amplifier grid voltages to carry out power amplifier to signal, radiofrequency signal and the nonsynchronous problem of power amplifier grid voltage may be there is.To this, the time delay of synchronous radiofrequency signal and power amplifier grid voltage first can be determined; According to the time delay determined, power amplifier process is carried out to the radiofrequency signal generated.
Additionally provide a kind of power amplifier processing unit in the present embodiment, this device is used for realizing above-described embodiment and preferred implementation, has carried out repeating no more of explanation.As used below, term " module " can realize the software of predetermined function and/or the combination of hardware.Although the device described by following examples preferably realizes with software, hardware, or the realization of the combination of software and hardware also may and conceived.
Fig. 2 is the structured flowchart of the power amplifier processing unit according to the embodiment of the present invention, and as shown in Figure 2, this device comprises detection module 22, first determination module 24 and processing module 26, is described below to this device.
Detection module 22, for detecting the power of baseband signal; First determination module 24, is connected to above-mentioned detection module 22, for the power determination power amplifier grid voltage that foundation detects; Processing module 26, is connected to above-mentioned first determination module 24, for carrying out power amplifier process according to the power amplifier grid voltage determined to by the radiofrequency signal after baseband signal conversion process.
Fig. 3 is the preferred structure block diagram of detection module 22 in the power amplifier processing unit according to the embodiment of the present invention, and as shown in Figure 3, this detection module 22 comprises the first determining unit 32 and detecting unit 34, is described below to this detection module 22.
First determining unit 32, for determining the cycle of the power detecting baseband signal; Detecting unit 34, is connected to above-mentioned first determining unit 32, for the power according to the cycle detection baseband signal determined.
Fig. 4 is the preferred structure block diagram of the first determination module 24 in the power amplifier processing unit according to the embodiment of the present invention, as shown in Figure 4, this first determination module 24 comprises: the second determining unit 42 and the 3rd determining unit 44, be described this first determination module 24 below.
Second determining unit 42, for determining the corresponding relation between power grade and power amplifier grid voltage; 3rd determining unit 44, is connected to above-mentioned second determining unit 42, and for the corresponding relation that foundation is determined, and the power detected determines above-mentioned power amplifier grid voltage.
Fig. 5 is the preferred structure block diagram of processing module 26 in the power amplifier processing unit according to the embodiment of the present invention, and as shown in Figure 5, this processing module 26 comprises: generation unit 52 and processing unit 54, is described below to this processing module 26.
Generation unit 52, for by baseband signal through digital-to-analogue conversion, up-conversion, amplification, filtering process radio frequency signal generation; Processing unit 54, is connected to above-mentioned generation unit 52, for carrying out power amplifier process according to the power amplifier grid voltage determined to the radiofrequency signal generated.
Fig. 6 is the preferred structure block diagram of processing unit 54 in processing module 26 in the power amplifier processing unit according to the embodiment of the present invention, and as shown in Figure 6, this processing unit 54 comprises determines subelement 62 and process subelement 64, is described below to this processing unit 54.
Determine subelement 62, for determining the time delay of synchronous radiofrequency signal and power amplifier grid voltage; Process subelement 64, is connected to and above-mentionedly determines subelement 62, for carrying out power amplifier process according to the time delay determined to the radiofrequency signal generated.
Based on the problems referred to above in correlation technique, in the present embodiment, provide a kind of power amplifier processing method, can online in real time according to transmitting real-time dynamic conditioning grid voltage (or being called above-mentioned power amplifier grid voltage) by the method.
Below by accompanying drawing, the preferred embodiment for the present invention is described.
Fig. 7 is the structural representation of power amplifier processing unit according to the preferred embodiment of the invention, as shown in Figure 7, this device comprises: signal estimation module 72 (function is with above-mentioned detection module 22 and the first determination module 24), signal processing module 74 (function is with above-mentioned generation unit 52) and power amplifier module 76 (function is with above-mentioned processing module 26), be described this device below.
Signal estimation module 72, for detecting baseband signal power, exporting to power amplifier module according to the grid voltage voltage that detection power hierarchical selection is suitable, utilizing time delay module to make grid voltage and signal arrive the time synchronized of power amplifier simultaneously; Signal processing module 74, for by baseband digital signal through digital-to-analogue conversion, up-conversion, amplify, filtering etc. process after radio frequency signal generation flow to power amplifier module; Power amplifier module 76, for amplifying rear output to analog radio-frequency signal.
Fig. 8 is the structural representation of signal estimation module 72 in the power amplifier processing unit according to the embodiment of the present invention, as shown in Figure 8, this signal estimation module 72 comprises time delay elements 82 (function determines subelement 62 with above-mentioned), power detecting unit 84 and voltage cell 86, is described below to this signal estimation module 72.
Power detecting unit 84, passes to voltage cell 86 for baseband signal power in the unit of account time; Voltage cell 86, for the correspondence table according to the power preset and grid voltage, selects suitable voltage to export to power amplifier module 76; Time delay elements 82, for arriving the total time of power amplifier module 76 identical principle to the total time of power amplifier module 76 and baseband signal through time delay elements 82, signal processing module 74 according to from power detecting unit 84 rated output to voltage cell 86 output voltage, the time delay of baseband signal by this signal estimation module 72 is set, reaches the synchronous of power amplifier grid voltage and data-signal.
Fig. 9 is the schematic diagram according to voltage cell 86 power of the embodiment of the present invention and the correspondence table of grid voltage and voltage output switch, and as shown in Figure 9, according to power detecting unit 84, the power information of transmission is tabled look-up and obtained the output of corresponding voltage as this module.
By above-described embodiment and preferred implementation, utilize the signal of transmitter to be input to power amplifier output from base band and there is time delay, the method that power amplifier grid voltage is set in advance is reached by calculating baseband signal power fast, overcoming in correlation technique that power amplifier grid voltage is fixing can not dynamic conditioning online, causes the problem that power amplification efficiency and performance are not high.
Figure 10 is power amplifier process chart according to the preferred embodiment of the invention, and as shown in Figure 10, this flow process comprises the steps:
Step S1002, initialization time delay elements time delay is Δ t, and voltage cell exports as Pm;
Step S1004, power detecting unit to calculate in each subframe signal power Pi in 0.5ms;
Step S1006, table look-up Vi corresponding to corresponding Pi, and voltage cell is exported as Vo=Vi.
It should be noted that, when initialization, according to debugging value, fixed delay time is set in the delay cell 82 in signal estimation module 72; Voltage cell 86 initialization output voltage is Pm.Power detecting unit 84 detects base band power in every 0.5ms, and voltage cell 86 selects corresponding voltage to export supply power amplifier grid voltage according to the power voltage relation preset.
In addition, in above-mentioned handling process, need the baseband signal of launching, entering signal prediction module 72, signal estimation module 72 pairs of baseband signals carry out delay transparent transmission, flow to signal processing module 74 to process, baseband digital signal is carried out digital-to-analogue conversion by signal processing module 74, up-conversion, amplifies, radio frequency signal generation after the process such as filtering, flows to power amplifier module 76 and carries out amplifying rear output further.Meanwhile, the power detecting unit 84 of signal estimation module 72 inside can, according to the power of real-time baseband signal, select corresponding voltage to export to power amplifier module 76 as grid voltage, reaches the object regulating grid voltage in real time.
Wherein, setting principle time of delay of the delay cell 84 in signal estimation module 72 is:
Ts+ Δ t=Te, baseband signal is Δ t by the time of time delay elements; The time that baseband signal arrives power amplifier module 76 by signal processing module 74 is Ts; The time that the voltage that the processing time of the power detecting unit 84 of signal estimation module 72 inside and voltage cell 86 export arrives power amplifier module 76 is Te.
The cycle of power detection module 72 detection signal can be carried out difference and be arranged according to the difference of concrete signal, such as, for LTE signal, the length of each radio frames (radioframe) is also 10ms, the field (half-frame) that each radio frames is 5ms by two length forms, each field is made up of the subframe (sub-frame) that five length is equal, and each subframe has again two length to be that the time slot of 0.5ms (slot) is formed.Here the cycle that power detection module 72 detects can be 0.5ms.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a power amplifier processing method, is characterized in that, comprising:
Detect the power of baseband signal;
According to the described power determination power amplifier grid voltage detected;
Power amplifier process is carried out to by the radiofrequency signal after described baseband signal conversion process according to the described power amplifier grid voltage determined.
2. method according to claim 1, is characterized in that, the described power detecting described baseband signal comprises:
Determine the cycle of the described power detecting described baseband signal;
According to the described power of baseband signal described in the described cycle detection determined.
3. method according to claim 1, is characterized in that, determines that described power amplifier grid voltage comprises according to the described power detected:
Determine the corresponding relation between power grade and power amplifier grid voltage;
According to the described corresponding relation determined, and the described power detected determines described power amplifier grid voltage.
4. method according to claim 1, is characterized in that, comprises carrying out power amplifier process by the radiofrequency signal after described baseband signal conversion process according to the described power amplifier grid voltage determined:
By described baseband signal through digital-to-analogue conversion, up-conversion, amplification, filtering process radio frequency signal generation;
According to the described power amplifier grid voltage determined, power amplifier process is carried out to the described radiofrequency signal generated.
5. method according to claim 4, is characterized in that, carries out power amplifier process comprise according to the described power amplifier grid voltage determined to the described radiofrequency signal generated:
Determine the time delay of synchronous described radiofrequency signal and described power amplifier grid voltage;
According to the described time delay determined, power amplifier process is carried out to the described radiofrequency signal generated.
6. a power amplifier processing unit, is characterized in that, comprising:
Detection module, for detecting the power of baseband signal;
First determination module, for the described power determination power amplifier grid voltage that foundation detects;
Processing module, for carrying out power amplifier process according to the described power amplifier grid voltage determined to by the radiofrequency signal after described baseband signal conversion process.
7. device according to claim 6, is characterized in that, described detection module comprises:
First determining unit, for determining the cycle of the described power detecting described baseband signal;
Detecting unit, for the described power according to baseband signal described in the described cycle detection determined.
8. device according to claim 6, is characterized in that, described first determination module comprises:
Second determining unit, for determining the corresponding relation between power grade and power amplifier grid voltage;
3rd determining unit, for the described corresponding relation that foundation is determined, and the described power detected determines described power amplifier grid voltage.
9. device according to claim 6, is characterized in that, described processing module comprises:
Generation unit, for by described baseband signal through digital-to-analogue conversion, up-conversion, amplification, filtering process radio frequency signal generation;
Processing unit, for carrying out power amplifier process according to the described power amplifier grid voltage determined to the described radiofrequency signal generated.
10. device according to claim 9, is characterized in that, described processing unit comprises:
Determine subelement, for determining the time delay of synchronous described radiofrequency signal and described power amplifier grid voltage;
Process subelement, for carrying out power amplifier process according to the described time delay determined to the described radiofrequency signal generated.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449602.5A CN105471446A (en) | 2014-09-04 | 2014-09-04 | Power amplification processing method and device |
| PCT/CN2015/071666 WO2015154574A1 (en) | 2014-09-04 | 2015-01-27 | Power amplification method and device |
| JP2017512028A JP2017526303A (en) | 2014-09-04 | 2015-01-27 | Power amplification processing method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449602.5A CN105471446A (en) | 2014-09-04 | 2014-09-04 | Power amplification processing method and device |
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| CN105471446A true CN105471446A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410449602.5A Withdrawn CN105471446A (en) | 2014-09-04 | 2014-09-04 | Power amplification processing method and device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2017526303A (en) |
| CN (1) | CN105471446A (en) |
| WO (1) | WO2015154574A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545576A (en) * | 2019-09-24 | 2019-12-06 | 京信通信系统（中国）有限公司 | power amplifier module, power adjusting method and radio remote unit |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110880918B (en) * | 2018-09-06 | 2023-08-18 | 力同科技股份有限公司 | Power amplifier circuit and interphone thereof |
| CN112235009B (en) * | 2019-06-29 | 2021-08-13 | 华为技术有限公司 | Communication method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640516A (en) * | 2009-08-21 | 2010-02-03 | 京信通信系统（中国）有限公司 | Digital predistortion power amplifier and signal processing method thereof |
| US20120056678A1 (en) * | 2010-09-07 | 2012-03-08 | Po-Chih Wang | Power amplifier and method for controlling power amplifier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4947144B2 (en) * | 2007-06-19 | 2012-06-06 | 富士通株式会社 | Power amplification control device |
| CN101316128B (en) * | 2008-06-30 | 2012-07-04 | 华为技术有限公司 | Method for improving transmitter efficiency and transmitter |
| WO2011086856A1 (en) * | 2010-01-12 | 2011-07-21 | 日本電気株式会社 | Ofdm modulated wave transmitter apparatus, ofdm modulated wave transmission method, and program |
| CN102685858B (en) * | 2011-03-18 | 2015-04-22 | 鼎桥通信技术有限公司 | Radio frequency unit power consumption control method and station system |
| JP2012199716A (en) * | 2011-03-18 | 2012-10-18 | Fujitsu Ltd | Amplifier, transmission apparatus and gate voltage decision method |
-
2014
- 2014-09-04 CN CN201410449602.5A patent/CN105471446A/en not_active Withdrawn
-
2015
- 2015-01-27 JP JP2017512028A patent/JP2017526303A/en active Pending
- 2015-01-27 WO PCT/CN2015/071666 patent/WO2015154574A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640516A (en) * | 2009-08-21 | 2010-02-03 | 京信通信系统（中国）有限公司 | Digital predistortion power amplifier and signal processing method thereof |
| US20120056678A1 (en) * | 2010-09-07 | 2012-03-08 | Po-Chih Wang | Power amplifier and method for controlling power amplifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110545576A (en) * | 2019-09-24 | 2019-12-06 | 京信通信系统（中国）有限公司 | power amplifier module, power adjusting method and radio remote unit |
| CN110545576B (en) * | 2019-09-24 | 2024-02-23 | 京信网络系统股份有限公司 | Power amplifier module, power adjustment method and remote radio unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2017526303A (en) | 2017-09-07 |
| WO2015154574A1 (en) | 2015-10-15 |
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Application publication date: 20160406 |