BRPI0923696A2 - redução de níveis de potência associados com dois ou mais sinais utilizando distorção de redução de pico que é derivada de um sinal combinado - Google Patents
redução de níveis de potência associados com dois ou mais sinais utilizando distorção de redução de pico que é derivada de um sinal combinadoInfo
- Publication number
- BRPI0923696A2 BRPI0923696A2 BRPI0923696A BRPI0923696A BRPI0923696A2 BR PI0923696 A2 BRPI0923696 A2 BR PI0923696A2 BR PI0923696 A BRPI0923696 A BR PI0923696A BR PI0923696 A BRPI0923696 A BR PI0923696A BR PI0923696 A2 BRPI0923696 A2 BR PI0923696A2
- Authority
- BR
- Brazil
- Prior art keywords
- derived
- signals
- power levels
- reducing power
- combined signal
- Prior art date
Links
Classifications
-
- 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
- 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
-
- 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
- H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
-
- 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
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2614—Peak power aspects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/343,221 US8358680B2 (en) | 2008-12-23 | 2008-12-23 | Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal |
US12/343,221 | 2008-12-23 | ||
PCT/IB2009/007632 WO2010073076A1 (en) | 2008-12-23 | 2009-12-02 | Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal |
Publications (2)
Publication Number | Publication Date |
---|---|
BRPI0923696A2 true BRPI0923696A2 (pt) | 2016-05-31 |
BRPI0923696B1 BRPI0923696B1 (pt) | 2020-10-06 |
Family
ID=42266032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0923696-1A BRPI0923696B1 (pt) | 2008-12-23 | 2009-12-02 | Método e trajeto transceptor em um sistema de comunicação |
Country Status (9)
Country | Link |
---|---|
US (1) | US8358680B2 (pt) |
EP (1) | EP2382716A4 (pt) |
JP (1) | JP5755145B2 (pt) |
KR (1) | KR101573564B1 (pt) |
CN (1) | CN102265521B (pt) |
BR (1) | BRPI0923696B1 (pt) |
CA (1) | CA2745069C (pt) |
RU (1) | RU2527481C2 (pt) |
WO (1) | WO2010073076A1 (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8331466B2 (en) * | 2007-10-04 | 2012-12-11 | Apple, Inc. | Method and system for adaptive peak to average power ratio reduction in orthogonal frequency division multiplexing communication networks |
US8964498B2 (en) | 2011-11-15 | 2015-02-24 | Marvell World Trade Ltd. | Systems and methods for reducing peak power consumption in a solid state drive controller |
US8976897B2 (en) * | 2013-07-24 | 2015-03-10 | Qualcomm Incorporated | Suppression of spurious harmonics generated in TX driver amplifiers |
JP6608865B2 (ja) * | 2017-03-17 | 2019-11-20 | 株式会社東芝 | 信号処理装置および方法 |
CN112166585B (zh) | 2018-06-01 | 2024-02-23 | 瑞典爱立信有限公司 | 超宽带峰值因子降低 |
CN108827272B (zh) * | 2018-06-15 | 2021-01-22 | 中国电子科技集团公司第四十一研究所 | 基于pxi总线的无线电罗盘信号模拟装置及方法 |
US11398862B2 (en) * | 2020-10-16 | 2022-07-26 | Rohde & Schwarz Gmbh & Co. Kg | Satellite uplink amplifier and method for providing a multiband uplink signal |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5854571A (en) * | 1993-10-28 | 1998-12-29 | Motorola Inc. | Method and apparatus for controlling a peak envelope power of a power amplifier |
US5634202A (en) * | 1993-11-09 | 1997-05-27 | Motorola, Inc. | Method and apparatus for integrating a plurality of analog input signals prior to transmitting a communications signal |
JP2787894B2 (ja) * | 1994-05-30 | 1998-08-20 | 日本電気株式会社 | マルチキャリアディジタル変調用包絡線制御変調装置 |
FR2746563B1 (fr) | 1996-03-22 | 1998-06-05 | Matra Communication | Procede pour corriger des non-linearites d'un amplificateur, et emetteur radio mettant en oeuvre un tel procede |
ES2247737T3 (es) * | 1998-12-24 | 2006-03-01 | Nokia Corporation | Transmisor multifrecuencia que usa la predistorsion y metodo de transmision. |
US7409007B1 (en) * | 1999-09-14 | 2008-08-05 | Lucent Technologies Inc. | Method and apparatus for reducing adjacent channel power in wireless communication systems |
US6294956B1 (en) * | 1999-11-19 | 2001-09-25 | Lucent Technologies Inc. | System and method for producing amplified signal(s) or version(s) thereof |
JP2002044054A (ja) * | 2000-07-25 | 2002-02-08 | Hitachi Kokusai Electric Inc | リミッタ回路付きキャリア合成送信回路 |
CN1131629C (zh) * | 2001-01-18 | 2003-12-17 | 清华大学 | 降低多载波通信系统中信号的峰均功率比的方法和装置 |
JP4046489B2 (ja) * | 2001-07-17 | 2008-02-13 | 富士通株式会社 | 送信増幅器の並列運転システム |
JP4110385B2 (ja) * | 2002-12-02 | 2008-07-02 | 日本電気株式会社 | 電力制限器 |
JP3927521B2 (ja) * | 2003-06-27 | 2007-06-13 | 株式会社日立国際電気 | 送信機 |
JP2007142537A (ja) * | 2005-11-15 | 2007-06-07 | Nec Saitama Ltd | 送信増幅器の並列運転システムおよび方法 |
DE102005056954B4 (de) | 2005-11-29 | 2014-09-25 | Lantiq Deutschland Gmbh | Schaltungsanordnung zur Reduktion eines Crestfaktors sowie Verfahren zur Reduzierung einer Signaldynamik |
JP2007251341A (ja) * | 2006-03-14 | 2007-09-27 | Hitachi Kokusai Electric Inc | 送信機 |
US7983327B2 (en) * | 2006-08-28 | 2011-07-19 | Samsung Electronics Co., Ltd. | Method and system for providing digital adaptive predistortion in a subscriber station |
-
2008
- 2008-12-23 US US12/343,221 patent/US8358680B2/en active Active
-
2009
- 2009-12-02 BR BRPI0923696-1A patent/BRPI0923696B1/pt not_active IP Right Cessation
- 2009-12-02 CN CN200980151881.4A patent/CN102265521B/zh not_active Expired - Fee Related
- 2009-12-02 RU RU2011129011/07A patent/RU2527481C2/ru active
- 2009-12-02 EP EP09834187.8A patent/EP2382716A4/en not_active Withdrawn
- 2009-12-02 WO PCT/IB2009/007632 patent/WO2010073076A1/en active Application Filing
- 2009-12-02 JP JP2011542907A patent/JP5755145B2/ja not_active Expired - Fee Related
- 2009-12-02 CA CA2745069A patent/CA2745069C/en not_active Expired - Fee Related
- 2009-12-02 KR KR1020117014545A patent/KR101573564B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CA2745069A1 (en) | 2010-07-01 |
CN102265521B (zh) | 2014-05-07 |
WO2010073076A1 (en) | 2010-07-01 |
EP2382716A1 (en) | 2011-11-02 |
RU2527481C2 (ru) | 2014-09-10 |
EP2382716A4 (en) | 2015-10-28 |
JP2012515457A (ja) | 2012-07-05 |
CA2745069C (en) | 2016-05-24 |
KR20110098754A (ko) | 2011-09-01 |
KR101573564B1 (ko) | 2015-12-01 |
CN102265521A (zh) | 2011-11-30 |
BRPI0923696B1 (pt) | 2020-10-06 |
RU2011129011A (ru) | 2013-01-27 |
JP5755145B2 (ja) | 2015-07-29 |
US20100158083A1 (en) | 2010-06-24 |
US8358680B2 (en) | 2013-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25A | Requested transfer of rights approved |
Owner name: ROCKSTAR BIDCO, L.P. (US) |
|
B25A | Requested transfer of rights approved |
Owner name: APPLE INC. (US) |
|
B25G | Requested change of headquarter approved |
Owner name: APPLE INC. (US) |
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B15K | Others concerning applications: alteration of classification |
Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 1/62 , H03L 5/00 , H04B 1/40 Ipc: H04B 1/04 (1968.09), H04L 27/26 (1968.09), H03F 1/ |
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B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 06/10/2020, OBSERVADAS AS CONDICOES LEGAIS. |
|
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 12A ANUIDADE. |
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B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2647 DE 28-09-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |