FI20055012A0 - Klippning av en sändningssignal - Google Patents
Klippning av en sändningssignalInfo
- Publication number
- FI20055012A0 FI20055012A0 FI20055012A FI20055012A FI20055012A0 FI 20055012 A0 FI20055012 A0 FI 20055012A0 FI 20055012 A FI20055012 A FI 20055012A FI 20055012 A FI20055012 A FI 20055012A FI 20055012 A0 FI20055012 A0 FI 20055012A0
- Authority
- FI
- Finland
- Prior art keywords
- trimming
- broadcast signal
- broadcast
- signal
- Prior art date
Links
Classifications
-
- 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
- H04L27/2623—Reduction thereof by clipping
-
- 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
-
- 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
-
- 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
-
- 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
- H03F2201/3236—A generated signal, e.g. a pulse or an inverted synchronous signal, being added to avoid certain conditions, e.g. clipping
-
- 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
- H04B2001/0416—Circuits with power amplifiers having gain or transmission power control
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Transmitters (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20055012A FI20055012A0 (sv) | 2005-01-07 | 2005-01-07 | Klippning av en sändningssignal |
US11/074,006 US7643801B2 (en) | 2005-01-07 | 2005-03-08 | Clipping of transmission signal |
EP06700055.4A EP1834462B1 (en) | 2005-01-07 | 2006-01-05 | Clipping of transmission signal |
CN2006800019209A CN101103606B (zh) | 2005-01-07 | 2006-01-05 | 用于对发射信号进行削波的改进型方法和设备 |
PCT/FI2006/050009 WO2006072669A1 (en) | 2005-01-07 | 2006-01-05 | Clipping of transmission signal |
JP2007549926A JP4642863B2 (ja) | 2005-01-07 | 2006-01-05 | 送信信号の制限 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20055012A FI20055012A0 (sv) | 2005-01-07 | 2005-01-07 | Klippning av en sändningssignal |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20055012A0 true FI20055012A0 (sv) | 2005-01-07 |
Family
ID=34112663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20055012A FI20055012A0 (sv) | 2005-01-07 | 2005-01-07 | Klippning av en sändningssignal |
Country Status (4)
Country | Link |
---|---|
US (1) | US7643801B2 (sv) |
JP (1) | JP4642863B2 (sv) |
CN (1) | CN101103606B (sv) |
FI (1) | FI20055012A0 (sv) |
Families Citing this family (47)
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GB2437352B (en) * | 2006-04-21 | 2011-06-29 | Tektronix Int Sales Gmbh | Constellation patterns |
JP5225281B2 (ja) * | 2006-09-19 | 2013-07-03 | アギア システムズ インコーポレーテッド | 高いピーク対平均電力比に起因するマルチ・キャリア変調信号の歪みを低減する方法の動的選択 |
US7995975B2 (en) * | 2006-12-21 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for signal peak-to-average ratio reduction |
KR101343407B1 (ko) * | 2007-02-26 | 2013-12-20 | 삼성전자주식회사 | 부가 데이터 전송이 가능한 디지털 송신 시스템 및 그 방법 |
US8842758B2 (en) | 2009-02-11 | 2014-09-23 | Agere Systems Llc | Dynamically selecting methods to reduce distortion in multi-carrier modulated signals resulting from high peak-to-average power ratios |
US8406278B2 (en) | 2009-06-01 | 2013-03-26 | At&T Intellectual Property I, L.P. | Narrowband interference rejection for ultra-wideband systems |
CN101582746B (zh) | 2009-06-22 | 2012-02-15 | 华为技术有限公司 | 发送信号的方法和装置 |
US8774315B2 (en) * | 2009-08-25 | 2014-07-08 | The Aerospace Corporation | Phase-optimized constant envelope transmission (POCET) method, apparatus and system |
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US8711760B2 (en) * | 2010-03-26 | 2014-04-29 | Intel Corporation | Method and apparatus to adjust received signal |
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JP2015080089A (ja) * | 2013-10-17 | 2015-04-23 | インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Machines Corporation | 送信装置、通信システム、回路装置、通信方法およびプログラム(直流インバランスを補償するための強調された信号点配置操作) |
KR101812432B1 (ko) | 2013-12-18 | 2017-12-26 | 엘지전자 주식회사 | 스펙트럼 방사 마스크에 따라 상향링크 신호를 전송하는 방법 및 사용자 장치 |
US9882756B2 (en) | 2014-01-16 | 2018-01-30 | Crestcom, Inc. | Communication system with PAPR management using noise-bearing subcarriers |
CA3065394C (en) * | 2015-03-06 | 2022-05-17 | Electronics And Telecommunications Research Institute | Broadcast signal frame generating apparatus and broadcast signal frame generating method using bootstrap and preamble |
US10181867B2 (en) * | 2015-10-08 | 2019-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Crest factor reduction in a radio transmitter |
US9590668B1 (en) | 2015-11-30 | 2017-03-07 | NanoSemi Technologies | Digital compensator |
EP3223446A1 (en) * | 2016-03-22 | 2017-09-27 | Xieon Networks S.à r.l. | A method for protecting a link in an optical network |
US9848342B1 (en) | 2016-07-20 | 2017-12-19 | Ccip, Llc | Excursion compensation in multipath communication systems having performance requirements parameters |
US9985811B2 (en) * | 2016-09-23 | 2018-05-29 | Intel IP Corporation | PAPR reduction for IQ RFDAC |
EP3523856A4 (en) | 2016-10-07 | 2020-06-24 | NanoSemi, Inc. | DIGITAL BEAM ORIENTATION PREDISTORSION |
WO2018129710A1 (zh) * | 2017-01-13 | 2018-07-19 | 华为技术有限公司 | 一种信号传输方法、系统及装置 |
US10677297B2 (en) | 2017-02-10 | 2020-06-09 | Toyota Jidosha Kabushiki Kaisha | Selectable one-way clutch |
US10583729B2 (en) | 2017-02-10 | 2020-03-10 | Toyota Jidosha Kabushiki Kaisha | Selectable one-way clutch |
EP3586439A4 (en) | 2017-02-25 | 2021-01-06 | NanoSemi, Inc. | MULTI-BAND DIGITAL PRE-STORAGE DEVICE |
US10563710B2 (en) | 2017-03-17 | 2020-02-18 | Toyota Jidosha Kabushiki Kaisha | Selectable one-way clutch |
US10141961B1 (en) | 2017-05-18 | 2018-11-27 | Nanosemi, Inc. | Passive intermodulation cancellation |
US10598233B2 (en) | 2017-05-25 | 2020-03-24 | Means Industries, Inc. | Overrunning coupling and control assembly and system to prevent the inadvertent engagement of the assembly |
US10590998B2 (en) | 2017-05-25 | 2020-03-17 | Means Industries, Inc. | Overrunning coupling and control assembly and system to prevent the inadvertent engagement of the assembly |
EP3635927A4 (en) | 2017-06-09 | 2020-07-01 | Nanosemi, Inc. | REDUCTION OF PEAK FACTOR |
US11115067B2 (en) | 2017-06-09 | 2021-09-07 | Nanosemi, Inc. | Multi-band linearization system |
US10931318B2 (en) * | 2017-06-09 | 2021-02-23 | Nanosemi, Inc. | Subsampled linearization system |
US10581470B2 (en) | 2017-06-09 | 2020-03-03 | Nanosemi, Inc. | Linearization system |
US11323188B2 (en) | 2017-07-12 | 2022-05-03 | Nanosemi, Inc. | Monitoring systems and methods for radios implemented with digital predistortion |
US11303251B2 (en) | 2017-10-02 | 2022-04-12 | Nanosemi, Inc. | Digital predistortion adjustment based on determination of load condition characteristics |
WO2019094713A1 (en) | 2017-11-13 | 2019-05-16 | Nanosemi, Inc. | Spectrum shaping crest factor reduction |
JP2021523629A (ja) | 2018-05-11 | 2021-09-02 | ナノセミ, インク.Nanosemi, Inc. | 非線形システム用デジタル補償器 |
US10644657B1 (en) | 2018-05-11 | 2020-05-05 | Nanosemi, Inc. | Multi-band digital compensator for a non-linear system |
US10931238B2 (en) | 2018-05-25 | 2021-02-23 | Nanosemi, Inc. | Linearization with envelope tracking or average power tracking |
US11863210B2 (en) | 2018-05-25 | 2024-01-02 | Nanosemi, Inc. | Linearization with level tracking |
EP3804127A1 (en) | 2018-05-25 | 2021-04-14 | NanoSemi, Inc. | Digital predistortion in varying operating conditions |
US10826739B1 (en) | 2019-08-01 | 2020-11-03 | Nanosemi, Inc. | Systems and methods for efficient clipping in crest factor reduction processes |
US10797920B1 (en) * | 2020-03-18 | 2020-10-06 | Rockwell Collins, Inc. | High-entropy continuous phase modulation data transmitter |
US10992326B1 (en) | 2020-05-19 | 2021-04-27 | Nanosemi, Inc. | Buffer management for adaptive digital predistortion |
EP3962010A1 (en) * | 2020-08-31 | 2022-03-02 | Vestel Elektronik Sanayi ve Ticaret A.S. | Reduction of peak to average power ratio exploiting multi-numerology structure |
TWI792954B (zh) * | 2022-03-23 | 2023-02-11 | 瑞昱半導體股份有限公司 | 處理峰均功率比的通訊裝置及方法 |
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US7149257B2 (en) * | 2003-07-03 | 2006-12-12 | Powerwave Technologies, Inc. | Digital predistortion system and method for correcting memory effects within an RF power amplifier |
US7542517B2 (en) * | 2004-02-02 | 2009-06-02 | Ibiquity Digital Corporation | Peak-to-average power reduction for FM OFDM transmission |
CA2467184A1 (en) * | 2004-05-12 | 2005-11-12 | Sirific Wireless Corporation | Im3 cancellation using cmos elements |
JP4417174B2 (ja) * | 2004-05-19 | 2010-02-17 | 株式会社日立国際電気 | プリディストータ |
US7738573B2 (en) * | 2004-10-07 | 2010-06-15 | Microelectronics Technology Inc. | System and method for crest factor reduction |
-
2005
- 2005-01-07 FI FI20055012A patent/FI20055012A0/sv not_active Application Discontinuation
- 2005-03-08 US US11/074,006 patent/US7643801B2/en active Active
-
2006
- 2006-01-05 CN CN2006800019209A patent/CN101103606B/zh not_active Expired - Fee Related
- 2006-01-05 JP JP2007549926A patent/JP4642863B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4642863B2 (ja) | 2011-03-02 |
CN101103606A (zh) | 2008-01-09 |
CN101103606B (zh) | 2012-03-14 |
JP2008527820A (ja) | 2008-07-24 |
US7643801B2 (en) | 2010-01-05 |
US20060154622A1 (en) | 2006-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |