JP2014517650A - Mimoのための包絡線追跡システム - Google Patents
Mimoのための包絡線追跡システム Download PDFInfo
- Publication number
- JP2014517650A JP2014517650A JP2014516378A JP2014516378A JP2014517650A JP 2014517650 A JP2014517650 A JP 2014517650A JP 2014516378 A JP2014516378 A JP 2014516378A JP 2014516378 A JP2014516378 A JP 2014516378A JP 2014517650 A JP2014517650 A JP 2014517650A
- Authority
- JP
- Japan
- Prior art keywords
- envelope
- signal
- input
- amplifier
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012545 processing Methods 0.000 claims description 36
- 239000002131 composite material Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000013507 mapping Methods 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 4
- 230000001413 cellular effect Effects 0.000 claims description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101710165631 Dihydropyrimidine dehydrogenase [NADP(+)] Proteins 0.000 description 1
- 101710183660 NAD-dependent dihydropyrimidine dehydrogenase subunit PreA Proteins 0.000 description 1
- 101710183648 NAD-dependent dihydropyrimidine dehydrogenase subunit PreT Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
- H03F1/0211—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 supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- 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
-
- 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
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- 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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
- H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
-
- 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
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3215—To increase the output power or efficiency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3227—Adaptive predistortion based on amplitude, envelope or power level feedback from the output of the main amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21181—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers the supply current of a power amplifier being continuously controlled, e.g. by controlling current sources or resistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
- H03F3/602—Combinations of several amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B2001/0408—Circuits with power amplifiers
- H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Abstract
【選択図】図2
Description
本発明はここで、添付の図面を参照して例示的に記述される。
112・・・波形処理ブロック
108・・・包絡線処理ブロック
110・・・DPDブロック
106・・・包絡線変調器
104・・・増幅器
102・・・アンテナ
116・・・デジタル信号処理ブロック
120・・・包絡線選択ブロック
122・・・包絡線追跡変調器
220、222、224、130、132、134・・・波形
136・・・先端
121・・・フィルタブロック
140・・・フィードバック受信器
142・・・出力スイッチ
144・・・入力スイッチ
Claims (14)
- それぞれが複数の異なる入力信号のうちの1つを増幅するように配置された複数の増幅器を備える増幅器配置であって、
前記配置は、前記電力増幅器に対して共通の電源電圧を生成するための包絡線追跡変調器を備え、
前記配置はさらに、前記複数の入力信号の包絡線を表す複数の信号を受け取るように適合され、かつ前記包絡線追跡変調器のための入力信号として、前記複数の包絡線のうちの特定の瞬間において最も高いレベルを有する包絡線を表す出力包絡線信号を生成するように適合された、包絡線選択器を備える、増幅器配置。 - 前記包絡線選択器が、前記出力包絡線信号として複合包絡線信号を生成するように配置された、請求項1に記載の増幅器配置。
- 前記複合包絡線信号が、前記複数の入力信号のうちの瞬間最大振幅を有する入力信号に依存して前記複数の異なる入力信号の包絡線間で遷移する、請求項2に記載の増幅器配置。
- それぞれが前記複数の入力信号のうちの1つを受け取り、前記入力信号の包絡線を表す信号を生成するための複数の包絡線処理段をさらに備える、請求項1乃至3のいずれか1項に記載の増幅器配置。
- 前記包絡線処理段のそれぞれが、それの入力を出力にマッピングするための非線形マッピング段を含む、請求項4に記載の増幅器配置。
- 前記包絡線処理段のそれぞれが、前記増幅器への入力経路内の信号に対して前記供給経路内の信号を遅延させるための遅延を含む、請求項4又は5に記載の増幅器配置。
- 前記複合包絡線信号から不連続を除去するために移動平均フィルタをさらに含む、請求項1乃至6のいずれか1項に記載の増幅器配置。
- 前記それぞれの複数の入力信号を受け取るために、そしてさらに前記複合包絡線信号を受け取り、前記それぞれの電力増幅器の入力に対して歪補償された入力信号を提供するように配置された、複数の歪補償段をさらに備える、請求項1乃至7のいずれか1項に記載の増幅器配置。
- 前記複数の増幅器のうちの1つの出力を選択的に受取り、前記増幅器と関連した前記複数の歪補償段のうちの1つに対して追加の入力を選択的に提供し、前記増幅器の出力において歪を最小化するために前記歪補償段の歪補償係数を適合的に調整するように配置された、フィードバック受信器をさらに備える、請求項1乃至8のいずれか1項に記載の増幅器配置。
- 前記フィードバック受信器が、前記一連の複数の全増幅器間で切り替わるように配置された、請求項9に記載の増幅器配置。
- 前記複数の入力信号が、共通の信号源から発生される、請求項1乃至10のいずれか1項に記載の増幅器配置。
- 請求項1乃至11のいずれか1項に記載の増幅器配置を含む、MIMO(多入力、多出力)送信器段。
- セルラー基地局で使用されるための、請求項12に記載のMIMO送信器段。
- それぞれが複数の異なる入力信号のうちの1つを増幅するように配置された複数の増幅器を備える増幅器配置における増幅の方法であって、
前記方法は、前記電力増幅器に対して共通の電源電圧を生成するための包絡線追跡変調器を提供するステップを備え、
前記方法はさらに、前記複数の入力信号の包絡線を表す複数の信号を受け取り、前記包絡線追跡変調器のための入力信号として、前記複数の包絡線のうちの特定の瞬間において最も高いレベルを有する包絡線を表す出力包絡線信号を生成するステップをさらに備える、増幅の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1110732.3 | 2011-06-24 | ||
GB1110732.3A GB2488380B (en) | 2011-06-24 | 2011-06-24 | Envelope tracking system for mimo |
PCT/EP2012/062145 WO2012175709A1 (en) | 2011-06-24 | 2012-06-22 | Envelope tracking system for mimo |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014517650A true JP2014517650A (ja) | 2014-07-17 |
JP6140692B2 JP6140692B2 (ja) | 2017-05-31 |
Family
ID=44485103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014516378A Active JP6140692B2 (ja) | 2011-06-24 | 2012-06-22 | Mimoのための包絡線追跡システム |
Country Status (7)
Country | Link |
---|---|
US (3) | US8803603B2 (ja) |
EP (1) | EP2724460A1 (ja) |
JP (1) | JP6140692B2 (ja) |
KR (1) | KR20140040209A (ja) |
CN (1) | CN103907283B (ja) |
GB (1) | GB2488380B (ja) |
WO (1) | WO2012175709A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110199474A (zh) * | 2017-01-25 | 2019-09-03 | 华为技术有限公司 | 一种功率放大装置、射频拉远单元及基站 |
WO2023233735A1 (ja) * | 2022-06-01 | 2023-12-07 | 株式会社村田製作所 | 平均電力トラッキングモジュール、平均電力トラッキング回路、通信装置および電源電圧供給方法 |
Families Citing this family (86)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8542768B2 (en) * | 2009-12-21 | 2013-09-24 | Dali Systems Co. Ltd. | High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications |
GB2488380B (en) | 2011-06-24 | 2018-04-04 | Snaptrack Inc | Envelope tracking system for mimo |
US9608675B2 (en) | 2013-02-11 | 2017-03-28 | Qualcomm Incorporated | Power tracker for multiple transmit signals sent simultaneously |
GB2516979A (en) * | 2013-08-09 | 2015-02-11 | Univ Surrey | Predistortion in satellite signal transmission systems |
GB2519361B (en) | 2013-10-21 | 2015-09-16 | Nujira Ltd | Reduced bandwidth of signal in an envelope path for envelope tracking system |
CN105264768B (zh) * | 2014-01-02 | 2018-10-19 | 华为技术有限公司 | 包络放大器及基站 |
EP3070842A1 (en) | 2015-03-17 | 2016-09-21 | Nokia Technologies OY | Method and apparatus for supplying power to an amplifier |
CN108292926B (zh) * | 2015-11-27 | 2021-09-07 | 瑞典爱立信有限公司 | 有源天线阵列的线性化 |
US9853599B2 (en) * | 2015-12-04 | 2017-12-26 | The Boeing Company | Simultaneous linearization of multiple power amplifiers with independent power |
US11025203B2 (en) | 2016-02-15 | 2021-06-01 | Solid, Inc. | Communication device and operating method thereof |
WO2017142124A1 (ko) | 2016-02-15 | 2017-08-24 | 주식회사 쏠리드 | 디지털 전치 왜곡을 위한 피드백 경로를 공유하는 다중 경로 통신 장치 |
KR102468952B1 (ko) * | 2016-03-07 | 2022-11-22 | 삼성전자주식회사 | 신호를 송수신하는 전자 장치 및 방법 |
GB2549571A (en) * | 2016-04-20 | 2017-10-25 | Cirrus Logic Int Semiconductor Ltd | Single signal-variant power supply for a pluarity of amplifiers |
US10085208B2 (en) * | 2016-08-29 | 2018-09-25 | Qualcomm Incorporated | Smart power saving scheme for LTE advanced |
KR102644277B1 (ko) | 2016-11-25 | 2024-03-06 | 삼성전자주식회사 | 전원 변조기 및 이를 포함하는 통신 장치 |
WO2018112358A1 (en) * | 2016-12-15 | 2018-06-21 | Massachusetts Institute Of Technology | Improved power amplifier operation |
JP6702443B2 (ja) * | 2017-02-08 | 2020-06-03 | 日本電気株式会社 | 送信機、通信システム、制御方法及びプログラム |
US10659121B2 (en) * | 2017-03-15 | 2020-05-19 | Skyworks Solutions, Inc. | Apparatus and methods for radio frequency front-ends |
US10181826B2 (en) | 2017-04-25 | 2019-01-15 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
WO2018219466A1 (en) | 2017-06-01 | 2018-12-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Digital predistortion for advanced antenna system |
US10158330B1 (en) | 2017-07-17 | 2018-12-18 | Qorvo Us, Inc. | Multi-mode envelope tracking amplifier circuit |
US10469109B2 (en) * | 2017-09-19 | 2019-11-05 | Qualcomm Incorporated | Predistortion for transmitter with array |
US10530305B2 (en) | 2017-10-06 | 2020-01-07 | Qorvo Us, Inc. | Nonlinear bandwidth compression circuitry |
US10541733B1 (en) | 2017-11-05 | 2020-01-21 | Quantenna Communications, Inc. | Regulated switch banks for driving transmit power amplifiers of a MIMO wireless transceiver |
US10560140B1 (en) * | 2017-11-29 | 2020-02-11 | Quantenna Communications, Inc. | MIMO WiFi transceiver with rolling gain offset pre-distortion calibration |
US10439557B2 (en) * | 2018-01-15 | 2019-10-08 | Qorvo Us, Inc. | Envelope tracking power management circuit |
US10637408B2 (en) | 2018-01-18 | 2020-04-28 | Qorvo Us, Inc. | Envelope tracking voltage tracker circuit and related power management circuit |
US10742170B2 (en) | 2018-02-01 | 2020-08-11 | Qorvo Us, Inc. | Envelope tracking circuit and related power amplifier system |
US11581854B2 (en) | 2018-04-26 | 2023-02-14 | Mediatek Inc. | Envelope tracking supply modulator topology for wipe-bandwidth radio frequency transmitter |
US11102035B1 (en) * | 2018-05-29 | 2021-08-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for envelope shaping of multi-carrier signal in envelope tracking transmission |
US10944365B2 (en) | 2018-06-28 | 2021-03-09 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
US10797650B2 (en) | 2018-07-24 | 2020-10-06 | Qorvo Us, Inc. | Envelope tracking amplifier apparatus |
US11108363B2 (en) | 2018-09-04 | 2021-08-31 | Qorvo Us, Inc. | Envelope tracking circuit and related power amplifier apparatus |
US11088618B2 (en) | 2018-09-05 | 2021-08-10 | Qorvo Us, Inc. | PWM DC-DC converter with linear voltage regulator for DC assist |
US10911001B2 (en) | 2018-10-02 | 2021-02-02 | Qorvo Us, Inc. | Envelope tracking amplifier circuit |
US10630375B1 (en) | 2018-10-19 | 2020-04-21 | Qorvo Us, Inc. | Envelope tracking amplifier apparatus |
US10903796B2 (en) | 2018-10-19 | 2021-01-26 | Qorvo Us, Inc. | Voltage generation circuit and related envelope tracking amplifier apparatus |
US11108359B2 (en) * | 2018-10-19 | 2021-08-31 | Qorvo Us, Inc. | Multi-amplifier envelope tracking circuit and related apparatus |
US10819287B2 (en) | 2018-10-19 | 2020-10-27 | Qorvo Us, Inc. | Multi-voltage generation circuit and related envelope tracking amplifier apparatus |
US11057012B2 (en) | 2018-10-19 | 2021-07-06 | Qorvo Us, Inc. | Distributed envelope tracking amplifier circuit and related apparatus |
US11018638B2 (en) | 2018-10-31 | 2021-05-25 | Qorvo Us, Inc. | Multimode envelope tracking circuit and related apparatus |
US10985702B2 (en) | 2018-10-31 | 2021-04-20 | Qorvo Us, Inc. | Envelope tracking system |
US10938351B2 (en) | 2018-10-31 | 2021-03-02 | Qorvo Us, Inc. | Envelope tracking system |
US10680556B2 (en) | 2018-11-05 | 2020-06-09 | Qorvo Us, Inc. | Radio frequency front-end circuit |
AU2018449223B2 (en) | 2018-11-13 | 2023-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Active antenna array linearization |
CN111224700B (zh) * | 2018-11-23 | 2022-04-12 | 华为技术有限公司 | 用于子阵波束成形系统的功放电路和子阵波束成形系统 |
US11031909B2 (en) | 2018-12-04 | 2021-06-08 | Qorvo Us, Inc. | Group delay optimization circuit and related apparatus |
US11082007B2 (en) | 2018-12-19 | 2021-08-03 | Qorvo Us, Inc. | Envelope tracking integrated circuit and related apparatus |
EP3675355B1 (en) | 2018-12-27 | 2023-07-05 | INTEL Corporation | Digital envelop tracker for power amplifier |
US11146213B2 (en) | 2019-01-15 | 2021-10-12 | Qorvo Us, Inc. | Multi-radio access technology envelope tracking amplifier apparatus |
US10998859B2 (en) | 2019-02-07 | 2021-05-04 | Qorvo Us, Inc. | Dual-input envelope tracking integrated circuit and related apparatus |
US11025458B2 (en) | 2019-02-07 | 2021-06-01 | Qorvo Us, Inc. | Adaptive frequency equalizer for wide modulation bandwidth envelope tracking |
US11233481B2 (en) | 2019-02-18 | 2022-01-25 | Qorvo Us, Inc. | Modulated power apparatus |
CN111654243B (zh) * | 2019-03-04 | 2023-03-03 | 华为技术有限公司 | 功率放大装置、波束成形系统、发射机和基站 |
US10992264B2 (en) | 2019-03-13 | 2021-04-27 | Qorvo Us, Inc. | Envelope tracking circuit and related apparatus |
US10938350B2 (en) | 2019-03-13 | 2021-03-02 | Qorvo Us, Inc. | Multi-mode envelope tracking target voltage circuit and related apparatus |
US11088658B2 (en) | 2019-03-13 | 2021-08-10 | Qorvo Us, Inc. | Envelope tracking amplifier apparatus |
US11374482B2 (en) | 2019-04-02 | 2022-06-28 | Qorvo Us, Inc. | Dual-modulation power management circuit |
US11082009B2 (en) | 2019-04-12 | 2021-08-03 | Qorvo Us, Inc. | Envelope tracking power amplifier apparatus |
US11018627B2 (en) | 2019-04-17 | 2021-05-25 | Qorvo Us, Inc. | Multi-bandwidth envelope tracking integrated circuit and related apparatus |
US11424719B2 (en) | 2019-04-18 | 2022-08-23 | Qorvo Us, Inc. | Multi-bandwidth envelope tracking integrated circuit |
US11139780B2 (en) * | 2019-04-24 | 2021-10-05 | Qorvo Us, Inc. | Envelope tracking apparatus |
US11031911B2 (en) | 2019-05-02 | 2021-06-08 | Qorvo Us, Inc. | Envelope tracking integrated circuit and related apparatus |
US11323075B2 (en) | 2019-05-30 | 2022-05-03 | Qorvo Us, Inc. | Envelope tracking amplifier apparatus |
US11349436B2 (en) | 2019-05-30 | 2022-05-31 | Qorvo Us, Inc. | Envelope tracking integrated circuit |
US11038464B2 (en) | 2019-05-30 | 2021-06-15 | Qorvo Us, Inc. | Envelope tracking amplifier apparatus |
US11539289B2 (en) | 2019-08-02 | 2022-12-27 | Qorvo Us, Inc. | Multi-level charge pump circuit |
US11309922B2 (en) | 2019-12-13 | 2022-04-19 | Qorvo Us, Inc. | Multi-mode power management integrated circuit in a small formfactor wireless apparatus |
US11349513B2 (en) | 2019-12-20 | 2022-05-31 | Qorvo Us, Inc. | Envelope tracking system |
US11539330B2 (en) | 2020-01-17 | 2022-12-27 | Qorvo Us, Inc. | Envelope tracking integrated circuit supporting multiple types of power amplifiers |
US11716057B2 (en) | 2020-01-28 | 2023-08-01 | Qorvo Us, Inc. | Envelope tracking circuitry |
US11165471B2 (en) * | 2020-01-30 | 2021-11-02 | Semiconductor Components Industries, Llc | Over the air coupling for digital pre-distortion calibration |
US10911162B1 (en) | 2020-01-30 | 2021-02-02 | Semiconductor Components Industries, Llc | Direct sampling for digital pre-distortion calibration |
US11728774B2 (en) | 2020-02-26 | 2023-08-15 | Qorvo Us, Inc. | Average power tracking power management integrated circuit |
US11431297B2 (en) * | 2020-03-04 | 2022-08-30 | Qorvo Us, Inc. | Envelope tracking power amplifier apparatus with predistortion |
US11196392B2 (en) | 2020-03-30 | 2021-12-07 | Qorvo Us, Inc. | Device and device protection system |
US11588449B2 (en) | 2020-09-25 | 2023-02-21 | Qorvo Us, Inc. | Envelope tracking power amplifier apparatus |
US11728796B2 (en) | 2020-10-14 | 2023-08-15 | Qorvo Us, Inc. | Inverted group delay circuit |
US11909385B2 (en) | 2020-10-19 | 2024-02-20 | Qorvo Us, Inc. | Fast-switching power management circuit and related apparatus |
CN116491067A (zh) * | 2020-11-20 | 2023-07-25 | 哲库科技有限公司 | 滤波包络跟踪 |
WO2022110230A1 (zh) * | 2020-11-30 | 2022-06-02 | 华为技术有限公司 | 一种射频电路、信号反馈电路和通信系统 |
US12101063B2 (en) | 2021-02-19 | 2024-09-24 | Qorvo Us, Inc. | Distributed power management apparatus |
US12068720B2 (en) | 2021-02-26 | 2024-08-20 | Qorvo Us, Inc. | Barely Doherty dual envelope tracking (BD2E) circuit |
US12063018B2 (en) | 2021-06-10 | 2024-08-13 | Qorvo Us, Inc. | Envelope tracking integrated circuit operable with multiple types of power amplifiers |
US11906992B2 (en) | 2021-09-16 | 2024-02-20 | Qorvo Us, Inc. | Distributed power management circuit |
US20230253990A1 (en) * | 2022-02-10 | 2023-08-10 | Qualcomm Incorporated | Multi-band input stage of receiver with selectable third harmonic filter |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04200005A (ja) * | 1990-11-29 | 1992-07-21 | Mitsubishi Electric Corp | 電力増幅装置 |
JP2002290161A (ja) * | 2001-03-23 | 2002-10-04 | Hitachi Kokusai Electric Inc | プリディストーション歪補償増幅器 |
JP2006502599A (ja) * | 2001-12-07 | 2006-01-19 | モトローラ・インコーポレイテッド | プレディストーション誤差補正を有する広帯域線形増幅器 |
US20070115053A1 (en) * | 2005-11-10 | 2007-05-24 | Nokia Corporation | Method and arrangement for optimizing efficiency of a power amplifier |
US20090140804A1 (en) * | 2005-09-26 | 2009-06-04 | Paragon Communications Ltd. | Method and apparatus for improving the performance of mimo wireless systems |
WO2010100016A1 (en) * | 2009-03-02 | 2010-09-10 | Alcatel Lucent | Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof |
US20110148705A1 (en) * | 2009-12-21 | 2011-06-23 | Peter Kenington | Single envelope tracking system for an active antenna array |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043707A (en) * | 1999-01-07 | 2000-03-28 | Motorola, Inc. | Method and apparatus for operating a radio-frequency power amplifier as a variable-class linear amplifier |
US6157253A (en) | 1999-09-03 | 2000-12-05 | Motorola, Inc. | High efficiency power amplifier circuit with wide dynamic backoff range |
US6255906B1 (en) * | 1999-09-30 | 2001-07-03 | Conexant Systems, Inc. | Power amplifier operated as an envelope digital to analog converter with digital pre-distortion |
US6738432B2 (en) * | 2001-03-21 | 2004-05-18 | Ericsson Inc. | System and method for RF signal amplification |
US7035345B2 (en) * | 2001-06-08 | 2006-04-25 | Polyvalor S.E.C. | Adaptive predistortion device and method using digital receiver |
WO2004032345A1 (ja) * | 2002-10-03 | 2004-04-15 | Matsushita Electric Industrial Co., Ltd. | 送信方法及び送信装置 |
US7706467B2 (en) * | 2004-12-17 | 2010-04-27 | Andrew Llc | Transmitter with an envelope tracking power amplifier utilizing digital predistortion of the signal envelope |
US7724839B2 (en) * | 2006-07-21 | 2010-05-25 | Mediatek Inc. | Multilevel LINC transmitter |
WO2008013481A1 (en) * | 2006-07-24 | 2008-01-31 | Telefonaktiebolaget Lm Ericsson (Publ). | A method for controlling a linear amplifier and power amplifier arrangement |
US8254496B2 (en) * | 2007-11-05 | 2012-08-28 | Nec Corporation | Power amplifier and radio wave transmitter having the same |
US7852150B1 (en) * | 2007-12-20 | 2010-12-14 | The Tc Group A/S | Switching amplifier driven by a controlled power supply |
US8653886B2 (en) * | 2009-09-15 | 2014-02-18 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in a mobile communications system |
US8265572B2 (en) * | 2009-12-21 | 2012-09-11 | Ubidyne, Inc. | Multiple envelope tracking system for an active antenna array |
CN103444076B (zh) * | 2011-02-07 | 2016-05-04 | 射频小型装置公司 | 用于功率放大器包络跟踪的群延迟校准方法 |
US8717100B2 (en) * | 2011-03-15 | 2014-05-06 | Skyworks Solutions, Inc. | Apparatus and methods for capacitive load reduction |
GB2489497A (en) * | 2011-03-31 | 2012-10-03 | Nujira Ltd | Matching the properties of the envelope path to the properties of the main signal path in an envelope tracking amplifier |
GB2488380B (en) | 2011-06-24 | 2018-04-04 | Snaptrack Inc | Envelope tracking system for mimo |
US8829993B2 (en) * | 2012-10-30 | 2014-09-09 | Eta Devices, Inc. | Linearization circuits and methods for multilevel power amplifier systems |
US9203346B2 (en) * | 2014-02-24 | 2015-12-01 | Futurewei Technologies, Inc. | Load current sensor for envelope tracking modulator |
-
2011
- 2011-06-24 GB GB1110732.3A patent/GB2488380B/en not_active Expired - Fee Related
-
2012
- 2012-06-22 EP EP12728619.3A patent/EP2724460A1/en not_active Withdrawn
- 2012-06-22 CN CN201280039628.1A patent/CN103907283B/zh not_active Expired - Fee Related
- 2012-06-22 JP JP2014516378A patent/JP6140692B2/ja active Active
- 2012-06-22 KR KR1020147000502A patent/KR20140040209A/ko not_active Application Discontinuation
- 2012-06-22 US US13/530,921 patent/US8803603B2/en active Active
- 2012-06-22 WO PCT/EP2012/062145 patent/WO2012175709A1/en active Application Filing
-
2014
- 2014-08-04 US US14/450,897 patent/US9077293B2/en active Active
-
2015
- 2015-06-16 US US14/740,851 patent/US9490881B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04200005A (ja) * | 1990-11-29 | 1992-07-21 | Mitsubishi Electric Corp | 電力増幅装置 |
JP2002290161A (ja) * | 2001-03-23 | 2002-10-04 | Hitachi Kokusai Electric Inc | プリディストーション歪補償増幅器 |
JP2006502599A (ja) * | 2001-12-07 | 2006-01-19 | モトローラ・インコーポレイテッド | プレディストーション誤差補正を有する広帯域線形増幅器 |
US20090140804A1 (en) * | 2005-09-26 | 2009-06-04 | Paragon Communications Ltd. | Method and apparatus for improving the performance of mimo wireless systems |
US20070115053A1 (en) * | 2005-11-10 | 2007-05-24 | Nokia Corporation | Method and arrangement for optimizing efficiency of a power amplifier |
WO2010100016A1 (en) * | 2009-03-02 | 2010-09-10 | Alcatel Lucent | Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof |
US20110148705A1 (en) * | 2009-12-21 | 2011-06-23 | Peter Kenington | Single envelope tracking system for an active antenna array |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110199474A (zh) * | 2017-01-25 | 2019-09-03 | 华为技术有限公司 | 一种功率放大装置、射频拉远单元及基站 |
US11128259B2 (en) | 2017-01-25 | 2021-09-21 | Huawei Technologies Co., Ltd. | Power amplification apparatus, remote radio unit, and base station |
WO2023233735A1 (ja) * | 2022-06-01 | 2023-12-07 | 株式会社村田製作所 | 平均電力トラッキングモジュール、平均電力トラッキング回路、通信装置および電源電圧供給方法 |
Also Published As
Publication number | Publication date |
---|---|
GB2488380A (en) | 2012-08-29 |
US9077293B2 (en) | 2015-07-07 |
US20150280795A1 (en) | 2015-10-01 |
US8803603B2 (en) | 2014-08-12 |
GB2488380B (en) | 2018-04-04 |
JP6140692B2 (ja) | 2017-05-31 |
CN103907283A (zh) | 2014-07-02 |
KR20140040209A (ko) | 2014-04-02 |
WO2012175709A1 (en) | 2012-12-27 |
CN103907283B (zh) | 2018-06-12 |
GB201110732D0 (en) | 2011-08-10 |
US20140341319A1 (en) | 2014-11-20 |
US9490881B2 (en) | 2016-11-08 |
EP2724460A1 (en) | 2014-04-30 |
US20130049858A1 (en) | 2013-02-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6140692B2 (ja) | Mimoのための包絡線追跡システム | |
US20190222181A1 (en) | Envelope tracking circuit | |
US20140199949A1 (en) | Method for improving tx gain in envelope tracking systems | |
US7688156B2 (en) | Polar modulation transmission circuit and communication device | |
CN100550604C (zh) | 产生调制波信号的传输电路以及包括该电路的通信设备 | |
US20080111622A1 (en) | Hybrid Doherty Amplifier System and Method | |
JP2015533066A (ja) | Rf増幅器アーキテクチャおよび関連技術 | |
US20100148862A1 (en) | Method and apparatus for enhancing performance of doherty power amplifier | |
US8054878B2 (en) | Apparatus and method for amplifying signal power in a communication system | |
US8145148B2 (en) | Transmitter and communication apparatus | |
CN111654243B (zh) | 功率放大装置、波束成形系统、发射机和基站 | |
WO2008099724A1 (en) | Linc transmission circuit and communication device using the same | |
CN103067030B (zh) | 集成电路、无线通信单元及相关方法 | |
JP4707631B2 (ja) | ポーラ変調送信装置、及び無線通信装置 | |
JP6056956B2 (ja) | 通信装置及びその歪み抑制方法 | |
JP2017188734A (ja) | 増幅装置 | |
CN115606094A (zh) | 多尔蒂功率放大器的辅助发射机的包络控制偏置 | |
US9401778B2 (en) | Transmission device and distortion compensation method | |
JP2011135143A (ja) | プリディストーション方式の歪補償装置 | |
GB2491186A (en) | A combined analogue and digital interface for the envelope path of an envelope-tracking amplifier | |
JP2007274454A (ja) | 歪補償係数トレーニング信号発生装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20150619 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20160204 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20160705 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20161005 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20170404 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170501 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6140692 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |