CN1134952C - 限制传输信号振幅的方法和设备 - Google Patents
限制传输信号振幅的方法和设备 Download PDFInfo
- Publication number
- CN1134952C CN1134952C CNB998067822A CN99806782A CN1134952C CN 1134952 C CN1134952 C CN 1134952C CN B998067822 A CNB998067822 A CN B998067822A CN 99806782 A CN99806782 A CN 99806782A CN 1134952 C CN1134952 C CN 1134952C
- Authority
- CN
- China
- Prior art keywords
- amplitude
- complex
- signal
- scale factors
- carrier signal
- 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.)
- Expired - Fee Related
Links
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Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- 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
- H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19824233.6 | 1998-05-29 | ||
| DE19824233A DE19824233B4 (de) | 1998-05-29 | 1998-05-29 | Amplitudenbegrenzung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1303562A CN1303562A (zh) | 2001-07-11 |
| CN1134952C true CN1134952C (zh) | 2004-01-14 |
Family
ID=7869411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998067822A Expired - Fee Related CN1134952C (zh) | 1998-05-29 | 1999-05-06 | 限制传输信号振幅的方法和设备 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6636555B1 (enExample) |
| EP (1) | EP1080568B1 (enExample) |
| JP (1) | JP4202604B2 (enExample) |
| KR (1) | KR100677670B1 (enExample) |
| CN (1) | CN1134952C (enExample) |
| AR (1) | AR018414A1 (enExample) |
| AU (1) | AU754727B2 (enExample) |
| CA (1) | CA2333478C (enExample) |
| DE (1) | DE19824233B4 (enExample) |
| TW (1) | TW432807B (enExample) |
| WO (1) | WO1999063723A1 (enExample) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19824233B4 (de) | 1998-05-29 | 2005-10-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Amplitudenbegrenzung |
| JP2000349640A (ja) * | 1999-06-02 | 2000-12-15 | Nec Corp | 符号分割多重化送信装置 |
| US6434135B1 (en) * | 1999-08-31 | 2002-08-13 | Interdigital Technology Corporation | Adaptive RF amplifier prelimiter |
| DE19948370A1 (de) * | 1999-10-06 | 2001-06-21 | Infineon Technologies Ag | Einrichtung und Verfahren zur Verarbeitung eines digitalen Datensignals in einem CDMA-Funksender |
| EP1217757B1 (en) * | 2000-11-24 | 2005-02-02 | Telefonaktiebolaget LM Ericsson (publ) | Base transceiver station with distortion compensation |
| ATE318518T1 (de) | 2000-12-14 | 2006-03-15 | Car Forni Srl Sa | Förderband für einen tunnelofen |
| US20020168016A1 (en) * | 2001-03-14 | 2002-11-14 | Xianbin Wang | Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system |
| FI20011238A0 (fi) * | 2001-06-12 | 2001-06-12 | Nokia Corp | Menetelmä signaalin rajoittamiseksi ja lähetin |
| GB2377141B (en) | 2001-06-29 | 2005-03-23 | Nokia Corp | A transmitter |
| JP3666430B2 (ja) * | 2001-09-04 | 2005-06-29 | ソニー株式会社 | 情報送信装置及び情報送信方法、並びに情報受信装置及び情報受信方法 |
| EP1359718A1 (de) * | 2002-04-30 | 2003-11-05 | Siemens Aktiengesellschaft | Verfahren zur Amplitudenbegrenzung eines trägerfrequenten Ausgangssignals |
| ES2247557T3 (es) * | 2002-04-30 | 2006-03-01 | Siemens Aktiengesellschaft | Procedimiento para la limitacion de una señal de salida de frecuencia portadora. |
| FI20020820A0 (fi) | 2002-04-30 | 2002-04-30 | Nokia Corp | Menetelmä signaalin rajoittamiseksi ja lähetin |
| JP4288458B2 (ja) * | 2002-08-22 | 2009-07-01 | 日本電気株式会社 | 振幅制限回路及びcdma通信装置 |
| KR20040028301A (ko) * | 2002-09-30 | 2004-04-03 | 주식회사 현대시스콤 | 아이엠티-2000 시스템에서 클리핑을 위한 매그니튜드산출방법 |
| US7277494B2 (en) * | 2003-06-04 | 2007-10-02 | Honeywell Federal Manufacturing & Technologies, Llc | Method of differential-phase/absolute-amplitude QAM |
| US7239674B2 (en) * | 2003-06-04 | 2007-07-03 | Honeywell Federal Manufacturing & Technologies, Llc | Method of differential-phase/absolute-amplitude QAM |
| US20050100107A1 (en) * | 2003-11-12 | 2005-05-12 | Head Thomas W. | Composite carrier peak limiting method |
| US20050195916A1 (en) * | 2004-03-04 | 2005-09-08 | Kiomars Anvari | Clipping technique for bursty complex and real signal |
| KR100703265B1 (ko) * | 2004-05-12 | 2007-04-03 | 삼성전자주식회사 | 멀티캐리어 변조 방식의 통신 시스템에서 피크-대-평균전력비를 감소시키는 송신기 및 수신기와 적응적피크-대-평균 전력비 제어 방법 |
| US8204158B2 (en) * | 2004-05-12 | 2012-06-19 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus to reduce undesired amplitude modulation |
| JP4424081B2 (ja) * | 2004-06-14 | 2010-03-03 | ミツミ電機株式会社 | 振幅変調装置及び振幅制限方法並びにコンピュータで読み取り可能なプログラム |
| CN101258702B (zh) * | 2005-12-12 | 2012-05-30 | 中兴通讯股份有限公司 | 码分多址系统中调整信道译码数据幅度的系统和方法 |
| TW200824378A (en) * | 2006-08-17 | 2008-06-01 | Interdigital Tech Corp | Method and apparatus for reducing a peak-to-average power ratio in a multiple-input multiple-output system |
| US7848446B2 (en) * | 2006-09-27 | 2010-12-07 | Telefonaktiebolaget L M Ericsson (Publ) | Reduction of peak-to-average-power ratio in a telecommunications system |
| GB2483290B (en) * | 2010-09-03 | 2015-07-22 | Nvidia Technology Uk Ltd | Transmitting a signal from a power amplifier |
| CN104954094B (zh) * | 2014-03-28 | 2018-01-23 | 华为技术有限公司 | 信号限幅方法和装置 |
| US10181867B2 (en) * | 2015-10-08 | 2019-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Crest factor reduction in a radio transmitter |
| JP2017157928A (ja) * | 2016-02-29 | 2017-09-07 | 富士通株式会社 | 光送信器、及び光送信装置 |
| EP3800848A4 (en) * | 2018-08-07 | 2021-05-26 | Mitsubishi Electric Corporation | DISTRIBUTION MATCHING, DISTRIBUTION MATCHING CLOSING, DISTRIBUTION MATCHING METHOD, DISTRIBUTION MATCHING CLOSING METHOD, AND OPTICAL TRANSMISSION SYSTEM |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462001A (en) * | 1982-02-22 | 1984-07-24 | Canadian Patents & Development Limited | Baseband linearizer for wideband, high power, nonlinear amplifiers |
| EP0365226A3 (en) * | 1988-10-17 | 1991-02-20 | Raytheon Company | Cordic apparatus and method for approximating the magnitude and phase of a complex number |
| US5381449A (en) * | 1990-06-12 | 1995-01-10 | Motorola, Inc. | Peak to average power ratio reduction methodology for QAM communications systems |
| GB9218874D0 (en) * | 1992-09-07 | 1992-10-21 | British Broadcasting Corp | Improvements relating to the transmission of frequency division multiplex signals |
| US5579404A (en) * | 1993-02-16 | 1996-11-26 | Dolby Laboratories Licensing Corporation | Digital audio limiter |
| FR2746562B1 (fr) | 1996-03-22 | 1998-06-05 | Thomson Csf | Emetteur de signaux de radiophonie digitale |
| US5784410A (en) * | 1996-06-03 | 1998-07-21 | Matsushita Electric Industrial Co., Ltd. | Reception automatic gain control system and method |
| DE19625054B4 (de) * | 1996-06-22 | 2005-04-14 | Deutsche Telekom Ag | Verfahren und System zur Übertragung von Mehrträger-Signalen mit einem reduzierten Spitzen-/Mittelwertverhältnis |
| DE19635813A1 (de) * | 1996-09-04 | 1998-03-05 | Johannes Prof Dr Ing Huber | Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren |
| JP3548657B2 (ja) * | 1996-10-17 | 2004-07-28 | 株式会社日立製作所 | 多重信号の送信装置 |
| JP3311950B2 (ja) * | 1996-12-19 | 2002-08-05 | 富士通株式会社 | 符号多重無線装置 |
| US5991262A (en) * | 1997-03-31 | 1999-11-23 | Motorola, Inc. | Method and apparatus for reducing peak-to-average power ratio of a composite carrier signal |
| US6266320B1 (en) * | 1998-04-08 | 2001-07-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Amplitude limitation in CDMA system |
| DE19824233B4 (de) | 1998-05-29 | 2005-10-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Amplitudenbegrenzung |
-
1998
- 1998-05-29 DE DE19824233A patent/DE19824233B4/de not_active Expired - Fee Related
-
1999
- 1999-05-06 WO PCT/EP1999/003115 patent/WO1999063723A1/en not_active Ceased
- 1999-05-06 AU AU40381/99A patent/AU754727B2/en not_active Ceased
- 1999-05-06 CN CNB998067822A patent/CN1134952C/zh not_active Expired - Fee Related
- 1999-05-06 CA CA002333478A patent/CA2333478C/en not_active Expired - Fee Related
- 1999-05-06 JP JP2000552819A patent/JP4202604B2/ja not_active Expired - Lifetime
- 1999-05-06 KR KR1020007013395A patent/KR100677670B1/ko not_active Expired - Lifetime
- 1999-05-06 EP EP99923544A patent/EP1080568B1/en not_active Expired - Lifetime
- 1999-05-13 TW TW088107772A patent/TW432807B/zh not_active IP Right Cessation
- 1999-05-26 US US09/320,115 patent/US6636555B1/en not_active Expired - Lifetime
- 1999-05-28 AR ARP990102549A patent/AR018414A1/es active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP1080568A1 (en) | 2001-03-07 |
| AU4038199A (en) | 1999-12-20 |
| DE19824233B4 (de) | 2005-10-06 |
| CA2333478A1 (en) | 1999-12-09 |
| JP4202604B2 (ja) | 2008-12-24 |
| AU754727B2 (en) | 2002-11-21 |
| JP2002517951A (ja) | 2002-06-18 |
| KR100677670B1 (ko) | 2007-02-01 |
| WO1999063723A1 (en) | 1999-12-09 |
| US6636555B1 (en) | 2003-10-21 |
| AR018414A1 (es) | 2001-11-14 |
| CA2333478C (en) | 2007-04-03 |
| EP1080568B1 (en) | 2005-03-30 |
| DE19824233A1 (de) | 1999-12-02 |
| CN1303562A (zh) | 2001-07-11 |
| KR20010043894A (ko) | 2001-05-25 |
| TW432807B (en) | 2001-05-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040114 Termination date: 20140506 |