CN103188185B - Power amplification protecting method and device in digital pre-distortion - Google Patents
Power amplification protecting method and device in digital pre-distortion Download PDFInfo
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- CN103188185B CN103188185B CN201110454274.4A CN201110454274A CN103188185B CN 103188185 B CN103188185 B CN 103188185B CN 201110454274 A CN201110454274 A CN 201110454274A CN 103188185 B CN103188185 B CN 103188185B
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000002633 protecting effect Effects 0.000 title claims abstract description 22
- 230000003321 amplification Effects 0.000 title claims abstract description 11
- 238000003199 nucleic acid amplification method Methods 0.000 title claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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- 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
- H03F1/52—Circuit arrangements for protecting such amplifiers
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- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
Abstract
The invention provides the power amplification protecting method in a kind of digital pre-distortion and device; the device includes the system signal generation, digital pre-distortion, power amplifier protection, digital-to-analogue conversion, power amplifier analog link and the analog-to-digital conversion module that are sequentially connected and the power amplifier being connected with power amplifier protection module protection recovery module; also include power amplifier guard mode acquisition module, automatic detection module and trigger module, wherein：State acquisition module, for obtaining digital pre-distortion front signal power and compensating the corresponding relation and protection thresholding of energy, and it is deposited into internal memory；Automatic detection module; for obtaining detection signal power, corresponding relation and protection thresholding are extracted from internal memory, and judge whether the state of Contemporary Digital predistortion meets power amplifier protective condition according to detection signal power, corresponding relation and protection thresholding; if satisfied, then send control signal；Trigger module, for according to control signal triggering selection power amplifier protected mode.Technical scheme can be not damaged by power amplifier.
Description
Technical field
The present invention relates to the power amplification protecting method in moving communicating field, more particularly to a kind of digital pre-distortion and device.
Background technology
With developing rapidly for mobile communication technology, wireless communication frequency band becomes more and more crowded, and band resource is increasingly
Anxiety, with the reduction of channel width, the raising of the availability of frequency spectrum, accompanying problem is that the increase of out-of-band radiation, is caused
To monkey chatter increase.In order to solve problems, digital pre-distortion technology is used to compensate the non-linear of power amplifier by extensive
Characteristic.And digital pre-distortion technology for the gamma correction of power amplifier is completed in numeric field, it must assure that corrected value is expired
The requirement of the digital bit wide of foot.In order to preferably protect power amplifier not cause to damage by the exception of numeric field, numerical protection technology quilt
Widely use.A large amount of improved numerical protection technologies, turn into main at present with its good accuracy, stability and high efficiency
The power amplifier protection technique of stream.
The content of the invention
The embodiments of the invention provide the power amplification protecting method in a kind of digital pre-distortion and device, to solve power amplifier factor
The exception in word domain causes the problem of damage.
The embodiments of the invention provide the power amplifier protection device in a kind of digital pre-distortion, the device includes what is be sequentially connected
System signal generation module, digital pre-distortion block, power amplifier protection module, D/A converter module, power amplifier analog link module and
Analog-to-digital conversion module and the power amplifier protection recovery module being connected with the power amplifier protection module, the device also include power amplifier and protected
State acquisition module, power amplifier protection automatic detection module and power amplifier protection trigger module, wherein：
The power amplifier guard mode acquisition module, for obtaining digital pre-distortion front signal power with compensating the corresponding of energy
Relation and protection thresholding, and the corresponding relation and protection thresholding are stored in the internal memory of the power amplifier guard mode acquisition module
In；
The power amplifier protects automatic detection module, and for obtaining detection signal power, it is described right to be extracted from the internal memory
It should be related to and protect thresholding, and judge to work as according to the detection signal power, the corresponding relation and the protection thresholding
Whether the state of preceding digital pre-distortion meets power amplifier protective condition, if satisfied, then sending control to power amplifier protection trigger module
Signal processed；
The power amplifier protects trigger module, and the control for protecting automatic detection module to send according to the power amplifier is believed
Number triggering selection power amplifier protected mode.
Preferably, the power amplifier protection automatic detection module, if the state for being additionally operable to Contemporary Digital predistortion is unsatisfactory for work(
Protective condition is put, then starts the power amplifier protection recovery module.
Preferably, the input of the power amplifier guard mode acquisition module is defeated with the system signal generation module respectively
Go out end, the output end of the digital pre-distortion block is connected with the output end of the analog-to-digital conversion module；
The power amplifier guard mode acquisition module, specifically for obtaining number from the output end of the system signal generation module
Word predistortion front signal, the output end from the digital pre-distortion block obtain signal after digital pre-distortion and turned from the modulus
The output end for changing the mold block obtains feedback signal, according to signal power after digital pre-distortion front signal power, digital pre-distortion and instead
Feedback signal power obtains the corresponding relation and the protection thresholding.
Preferably, the power amplifier protection automatic detection module, is exported specifically for obtaining the system signal generation module
Digital pre-distortion front signal, the digital pre-distortion block output digital pre-distortion after signal and the analog-to-digital conversion module
Either signal in the feedback signal of output, the power of the signal is detection signal power.
Preferably, the power amplifier protected mode is any of following protected mode：
Peak value threshold protected mode, automatic identification power adjustment protected mode, average power threshold protected mode, bandwidth are known
Other protected mode, digital pre-distortion coefficient identification protecting pattern and digital pre-distortion coefficients energy constraint thresholding protected mode.
The embodiment of the present invention additionally provides the power amplification protecting method in a kind of digital pre-distortion, and this method includes：
Obtain digital pre-distortion front signal power and compensate the corresponding relation and protection thresholding of energy, and described correspond to is closed
In system and protection thresholding deposit internal memory；
Detection signal power is obtained, the corresponding relation and protection thresholding are extracted from the internal memory, and according to described
Detection signal power, the corresponding relation and the protection thresholding judge whether the current power amplifier meets power amplifier ceiling
Part, if satisfied, then triggering selection power amplifier protected mode, completes parameter configuration corresponding with the power amplifier protected mode.
Preferably, it is described judge whether the current power amplifier meets power amplifier protective condition after, methods described also includes：
If current power amplifier is unsatisfactory for the power amplifier protective condition, judge whether to meet to reset power amplifier protective condition, if full
Foot, then recover the original parameter configuration of the power amplifier, if not satisfied, then continuing to judge whether current power amplifier meets power amplifier ceiling
Part.
Preferably, it is described to obtain current power amplifier power with compensating the corresponding relation of energy and protecting thresholding to include：
Signal and feedback signal after acquisition digital pre-distortion front signal, digital pre-distortion, according to digital pre-distortion front signal
Signal power and feedback signal power obtain the corresponding relation and the protection thresholding after power, digital pre-distortion.
Preferably, the acquisition detection signal power includes：
The either signal in signal and feedback signal after the digital pre-distortion front signal, digital pre-distortion is obtained, it is described
The power of signal is detection signal power.
Preferably, the acquisition detection signal power, the corresponding relation and protection thresholding are extracted from the internal memory, with
And judge whether the current power amplifier meets work(according to the detection signal power, the corresponding relation and the protection thresholding
Protective condition is put, if satisfied, then triggering selection power amplifier protected mode, completes parameter configuration corresponding with the power amplifier protected mode,
Including：
The power output for configuring current power amplifier is less than rated power；
The corresponding relation and protection thresholding are extracted from the internal memory；
Detect the power of digital pre-distortion front signal；
Judge whether offset corresponding to the power is more than the protection thresholding, if being more than the protection thresholding, reduce
The power output, if being less than or equal to the protection thresholding, judge whether to start the adjustment protection of automatic identification power, if not opening
It is dynamic, then judge whether the power output reaches the rated power, if reaching, stop adjusting the power output, if not
Reach, then increase the power output；Continue the power of detection digital pre-distortion front signal.
Above-mentioned power amplification protecting method and device, extraction power amplifier parameter and Automatic Measurement Technique are employed, not only increases work(
The degree of accuracy of protection is put, and improves the stability of power amplifier protection, while adds the real-time of power amplifier protection.
Brief description of the drawings
Fig. 1 is the structural representation of the power amplifier protection device embodiment in digital pre-distortion of the present invention；
Fig. 2 is the flow chart of the power amplification protecting method embodiment in digital pre-distortion of the present invention；
Fig. 3 is the flow chart of automatic identification power adjustment the protection implement example of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
As shown in figure 1, be the structural representation of the power amplifier protection device embodiment in digital pre-distortion of the present invention, the device
Including be sequentially connected system signal generation module 101, digital pre-distortion block 102, power amplifier protection module 103, digital-to-analogue conversion
Module 104, power amplifier analog link module 105, analog-to-digital conversion module 106 and the work(being connected with the power amplifier protection module 103
Protection recovery module 107 is put, the device also includes power amplifier guard mode acquisition module 108, power amplifier protection automatic detection module 109
Trigger module 110 is protected with power amplifier, wherein：
The power amplifier guard mode acquisition module, for obtaining digital pre-distortion front signal power with compensating the corresponding of energy
Relation and protection thresholding, and the corresponding relation and protection thresholding are stored in the internal memory of the power amplifier guard mode acquisition module
In；
The power amplifier protects automatic detection module, and for obtaining detection signal power, it is described right to be extracted from the internal memory
It should be related to and protect thresholding, and judge to work as according to the detection signal power, the corresponding relation and the protection thresholding
Whether the state of preceding digital pre-distortion meets power amplifier protective condition, if satisfied, then sending control to power amplifier protection trigger module
Signal processed；
The power amplifier protects trigger module, and the control for protecting automatic detection module to send according to the power amplifier is believed
Number triggering selection power amplifier protected mode.
Wherein, the input of the power amplifier guard mode acquisition module output with the system signal generation module respectively
End, the output end of the digital pre-distortion block are connected with the output end of the analog-to-digital conversion module；As shown in Figure 1.The work(
Guard mode acquisition module is put, specifically for believing before obtaining digital pre-distortion from the output end of the system signal generation module
Number, obtain from the output end of the digital pre-distortion block signal and the output from the analog-to-digital conversion module after digital pre-distortion
End obtains feedback signal, is obtained according to signal power after digital pre-distortion front signal power, digital pre-distortion and feedback signal power
Take the corresponding relation and the protection thresholding.
In addition, the power amplifier protection automatic detection module, specifically for obtaining the system signal generation module output
Signal and the analog-to-digital conversion module are defeated after the digital pre-distortion that digital pre-distortion front signal, the digital pre-distortion block export
Either signal in the feedback signal gone out, the power of the signal is detection signal power.
The process of power amplifier protection is carried out as shown in Fig. 2 the process comprises the following steps using above-mentioned power amplifier protection device：
Step 201, system start, generation system signal；
Step 202, open digital pre-distortion block；
Step 203, power amplifier guard mode acquisition module is opened, obtain digital pre-distortion front signal power with compensating energy
Corresponding relation and protection thresholding；
Step 204, by corresponding relation and protection thresholding be stored in the internal memory of power amplifier guard mode acquisition module；
Step 205, open power amplifier protection automatic detection module；
Step 206, corresponding relation and protection thresholding are extracted from the internal memory of power amplifier guard mode acquisition module；
Wherein, above-mentioned corresponding relation and protection thresholding can be extracted once, can also real-time update；
Step 207, the state to Contemporary Digital predistortion detect, and judge whether to meet power amplifier protective condition, if full
Foot, perform step 208；Otherwise, step 210 is performed；
Step 208, into power amplifier protect trigger module, select corresponding power amplifier protected mode；
Power amplifier protected mode can include various ways, such as：Peak value threshold is protected, the adjustment of automatic identification power, average work(
Rate thresholding is protected, bandwidth identification protecting, digital pre-distortion coefficient identification protecting, the protection of digital pre-distortion coefficient energy constraint thresholding
Deng.
Step 209, start power amplifier protection module, complete corresponding power amplifier protected mode, and carry out corresponding ALM
And systematic parameter configuration adjustment；Terminate；
Step 210, judge whether to meet to reset power amplifier protective condition, carried out if so, then starting power amplifier protection recovery module
The recovery of system and the reset of power amplifier protection module；Otherwise, step 207 is turned to.
Automatic identification power in digital pre-distortion is described using automatic identification power adjustment protected mode as embodiment below
Adjustment protection implementation process, as shown in figure 3, the implementation process is as follows：
Step 301, system environments start；
Step 302, digital pre-distortion front signal power and compensation energy pair are calculated in power amplifier guard mode acquisition module
Curve and thresholding are answered, by homologous thread and thresholding storage and internal memory；
Step 303, the power output of system configuration power amplifier are less than 3dB with respect to rated power；
Step 304, read power amplifier protection thresholding；
Step 305, the power detection for opening power amplifier protection automatic detection；
Step 306, judge whether offset corresponding to power is more than protection thresholding, if being more than thresholding, perform step 307,
If being less than thresholding, step 308 is performed；
Step 307, start power amplifier protection, system output power lowers 0.5dB, turns to step 305；
Step 308, judge whether power amplifier protection module starts, if not actuated, perform step 309, if starting, perform
Step 310；
Step 309, judge whether to reach rated power, if not up to, system output power tunes up 0.5dB, turn to step
Rapid 305；If reaching, no longer adjust power output and continue power amplifier protection detection；
Step 310, judge whether to meet that power amplifier protects recovery condition, if satisfied, then resetting power amplifier protection module, turn to step
Rapid 305, if not satisfied, then turning to step 305.
The power amplifier that said apparatus and method are not limited to only carry out GSM multi-carrier signals predistortion is protected, for TD_
Broadband signal, its power amplifier protecting effect such as SCDMA signals, UMTS signals, LTE signals, the mixed mould of WiMAX, LTE＆UMTS are equally excellent
In traditional digital power amplifier protection technique；In addition, it is also applied for GSM, UMTS, LTE, WiMAX and TD-SCDMA single mode or bimodulus
Deng broadband system.
Above-mentioned power amplifier protection device, extraction power amplifier parameter and Automatic Measurement Technique are employed, not only increase power amplifier protection
The degree of accuracy, and improve power amplifier protection stability, while add power amplifier protection real-time, make the device more applicable
In the digital pre-distortion processing system quickly updated.
The embodiment of the present invention additionally provides the power amplification protecting method in a kind of digital pre-distortion, and this method is with digital pre-distortion
In power amplifier protection device be described for main body, this method includes：
Step 1: digital pre-distortion front signal power is obtained with compensating the corresponding relation and protection thresholding of energy, and by institute
State in corresponding relation and protection thresholding deposit internal memory；
The step includes：Signal and feedback signal after acquisition digital pre-distortion front signal, digital pre-distortion, according to digital pre-
Signal power and feedback signal power obtain the corresponding relation and the protection after distortion front signal power, digital pre-distortion
Door.
Step 2: obtaining detection signal power, the corresponding relation and protection thresholding, Yi Jigen are extracted from the internal memory
Judge whether the current power amplifier meets that power amplifier is protected according to the detection signal power, the corresponding relation and the protection thresholding
Guard strip part, if satisfied, then triggering selection power amplifier protected mode, completes parameter configuration corresponding with the power amplifier protected mode.
Wherein, the acquisition detection signal includes：Obtain after the digital pre-distortion front signal, digital pre-distortion signal and
Either signal in feedback signal, the power of the signal is detection signal power.The power amplifier protected mode can be following
Any of protected mode：Peak value threshold protected mode, automatic identification power adjustment protected mode, average power threshold protection
Pattern, bandwidth identification protecting pattern, digital pre-distortion coefficient identification protecting pattern and digital pre-distortion coefficients energy constraint thresholding
Protected mode.
In addition, it is described judge whether the current power amplifier meets power amplifier protective condition after, methods described also includes：If work as
Preceding power amplifier is unsatisfactory for the power amplifier protective condition, then judges whether to meet to reset power amplifier protective condition, if satisfied, described in then recovering
The original parameter configuration of power amplifier, if not satisfied, then continuing to judge whether current power amplifier meets power amplifier protective condition.
Further, the acquisition detection signal power, the corresponding relation and protection thresholding are extracted from the internal memory,
And judge whether the current power amplifier meets according to the detection signal power, the corresponding relation and the protection thresholding
Power amplifier protective condition, if satisfied, then triggering selection power amplifier protected mode, completes parameter corresponding with the power amplifier protected mode and match somebody with somebody
Put, including：
The power output for configuring current power amplifier is less than rated power；
The corresponding relation and protection thresholding are extracted from the internal memory；
Detect the power of digital pre-distortion front signal；
Judge whether offset corresponding to the power is more than the protection thresholding, if being more than the protection thresholding, reduce
The power output, if being less than or equal to the protection thresholding, judge whether to start the adjustment protection of automatic identification power, if not opening
It is dynamic, then judge whether the power output reaches the rated power, if reaching, stop adjusting the power output, if not
Reach, then increase the power output；Continue the power of detection digital pre-distortion front signal.
Above-mentioned power amplification protecting method, extraction power amplifier parameter and Automatic Measurement Technique are employed, not only increase power amplifier protection
The degree of accuracy, and improve power amplifier protection stability, while add power amplifier protection real-time.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and said procedure can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.Accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, can also use the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, reference only to preferred embodiment to this hair
It is bright to be described in detail.It will be understood by those within the art that technical scheme can be modified
Or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention, the claim model in the present invention all should be covered
Among enclosing.
Claims (8)
1. the power amplifier protection device in a kind of digital pre-distortion, the device includes system signal generation module, the number being sequentially connected
Word predistortion module, power amplifier protection module, D/A converter module, power amplifier analog link module and analog-to-digital conversion module and with institute
The connected power amplifier protection recovery module of power amplifier protection module is stated, the device also includes power amplifier guard mode acquisition module, power amplifier is protected
Protect automatic detection module and power amplifier protection trigger module, the input of the power amplifier guard mode acquisition module respectively with the system
Unite the output end phase of the output end of signal generator module, the output end of the digital pre-distortion block and the analog-to-digital conversion module
Even；Wherein：
The power amplifier guard mode acquisition module, for believing before obtaining numerical distortions from the output end of system signal generation module
Number, obtain from the output end of digital pre-distortion block signal and the output end from analog-to-digital conversion module after digital pre-distortion and obtain instead
Feedback signal, it is pre- that numeral is obtained according to signal power after digital pre-distortion front signal power, digital pre-distortion and feedback signal power
The corresponding relation and protection thresholding of distortion front signal power and compensation energy, and the corresponding relation and protection thresholding are stored in institute
In the internal memory for stating power amplifier guard mode acquisition module；
The power amplifier protects automatic detection module, and for obtaining detection signal power, the corresponding pass is extracted from the internal memory
System and protection thresholding, and current number is judged according to the detection signal power, the corresponding relation and the protection thresholding
Whether the state of word predistortion meets power amplifier protective condition, if satisfied, then sending control letter to power amplifier protection trigger module
Number；
The power amplifier protects trigger module, and the control signal for protecting automatic detection module to send according to the power amplifier is touched
Hair selection power amplifier protected mode.
2. device according to claim 1, it is characterised in that：
The power amplifier protects automatic detection module, if the state for being additionally operable to Contemporary Digital predistortion is unsatisfactory for power amplifier protective condition,
Then start the power amplifier protection recovery module.
3. device according to claim 1, it is characterised in that：
The power amplifier protects automatic detection module, the digital pre-distortion specifically for obtaining the system signal generation module output
Signal and the feedback letter of analog-to-digital conversion module output after the digital pre-distortion that front signal, the digital pre-distortion block export
Either signal in number, the power of the signal is detection signal power.
4. device according to claim 3, it is characterised in that：
The power amplifier protected mode is any of following protected mode：
Peak value threshold protected mode, automatic identification power adjustment protected mode, average power threshold protected mode, bandwidth identification are protected
Shield pattern, digital pre-distortion coefficient identification protecting pattern and digital pre-distortion coefficients energy constraint thresholding protected mode.
5. the power amplification protecting method in a kind of digital pre-distortion, it is characterised in that this method includes：
Obtain signal and feedback signal after digital pre-distortion front signal, digital pre-distortion, according to digital pre-distortion front signal power,
Signal power and feedback signal power obtain digital pre-distortion front signal power with compensating the corresponding pass of energy after digital pre-distortion
System and protection thresholding, and by the corresponding relation and protection thresholding deposit internal memory；
Detection signal power is obtained, the corresponding relation and protection thresholding are extracted from the internal memory, and according to the detection
Signal power, the corresponding relation and the protection thresholding judge whether current power amplifier meets power amplifier protective condition, if satisfied,
Then triggering selection power amplifier protected mode, complete parameter configuration corresponding with the power amplifier protected mode.
6. according to the method for claim 5, it is characterised in that：
It is described judge whether the current power amplifier meets power amplifier protective condition after, methods described also includes：
If current power amplifier is unsatisfactory for the power amplifier protective condition, judge whether to meet to reset power amplifier protective condition, if satisfied, then
Recover the original parameter configuration of the power amplifier, if not satisfied, then continuing to judge whether current power amplifier meets power amplifier protective condition.
7. according to the method for claim 5, it is characterised in that：
The acquisition detection signal power includes：
Obtain the either signal in signal and feedback signal, the signal after the digital pre-distortion front signal, digital pre-distortion
Power be detection signal power.
8. according to the method for claim 5, it is characterised in that：
The acquisition detection signal power, the corresponding relation and protection thresholding are extracted from the internal memory, and according to described
Detection signal power, the corresponding relation and the protection thresholding judge whether the current power amplifier meets power amplifier ceiling
Part, if satisfied, then triggering selection power amplifier protected mode, completes parameter configuration corresponding with the power amplifier protected mode, including：
The power output for configuring current power amplifier is less than rated power；
The corresponding relation and protection thresholding are extracted from the internal memory；
Detect the power of digital pre-distortion front signal；
Judge whether offset corresponding to the power is more than the protection thresholding, if being more than the protection thresholding, described in reduction
Power output, if being less than or equal to the protection thresholding, judge whether to start the adjustment protection of automatic identification power, if not actuated,
Then judge whether the power output reaches the rated power, if reaching, stop adjusting the power output, if not reaching
Arrive, then increase the power output；Continue the power of detection digital pre-distortion front signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454274.4A CN103188185B (en) | 2011-12-30 | 2011-12-30 | Power amplification protecting method and device in digital pre-distortion |
| PCT/CN2012/072382 WO2013097355A1 (en) | 2011-12-30 | 2012-03-15 | Method and device for power amplifier protection in digital predistortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110454274.4A CN103188185B (en) | 2011-12-30 | 2011-12-30 | Power amplification protecting method and device in digital pre-distortion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103188185A CN103188185A (en) | 2013-07-03 |
| CN103188185B true CN103188185B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110454274.4A Expired - Fee Related CN103188185B (en) | 2011-12-30 | 2011-12-30 | Power amplification protecting method and device in digital pre-distortion |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103188185B (en) |
| WO (1) | WO2013097355A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104469614B (en) * | 2014-12-12 | 2018-01-09 | 广州市迪士普音响科技有限公司 | A kind of power amplifier failure self-repairing circuit and its implementation |
| CN107612588B (en) * | 2017-10-26 | 2019-06-25 | 京信通信系统（中国）有限公司 | A kind of power amplification protecting method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7795968B1 (en) * | 2008-01-12 | 2010-09-14 | Peregrine Semiconductor Corporation | Power ranging transmit RF power amplifier |
| CN102202022A (en) * | 2011-03-31 | 2011-09-28 | 京信通信系统（中国）有限公司 | Method and device for protecting power amplifier in DPD (Digital Pre-Distortion) system |
| CN102271425A (en) * | 2011-06-22 | 2011-12-07 | 中兴通讯股份有限公司 | Method and device for protecting power amplifier |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102082752B (en) * | 2010-02-25 | 2014-03-19 | 电信科学技术研究院 | Digital predistortion processing method and equipment |
| CN102111195B (en) * | 2010-12-29 | 2013-07-31 | 武汉邮电科学研究院 | Overpower protection method for power amplifiers of remote radio unit (RRU) system |
-
2011
- 2011-12-30 CN CN201110454274.4A patent/CN103188185B/en not_active Expired - Fee Related
-
2012
- 2012-03-15 WO PCT/CN2012/072382 patent/WO2013097355A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7795968B1 (en) * | 2008-01-12 | 2010-09-14 | Peregrine Semiconductor Corporation | Power ranging transmit RF power amplifier |
| CN102202022A (en) * | 2011-03-31 | 2011-09-28 | 京信通信系统（中国）有限公司 | Method and device for protecting power amplifier in DPD (Digital Pre-Distortion) system |
| CN102271425A (en) * | 2011-06-22 | 2011-12-07 | 中兴通讯股份有限公司 | Method and device for protecting power amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103188185A (en) | 2013-07-03 |
| WO2013097355A1 (en) | 2013-07-04 |
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