DE60239626D1 - Verringerung des verhältnisses von mittlerer zu minimaler leistung in kommunikationssignalen - Google Patents
Verringerung des verhältnisses von mittlerer zu minimaler leistung in kommunikationssignalenInfo
- Publication number
- DE60239626D1 DE60239626D1 DE60239626T DE60239626T DE60239626D1 DE 60239626 D1 DE60239626 D1 DE 60239626D1 DE 60239626 T DE60239626 T DE 60239626T DE 60239626 T DE60239626 T DE 60239626T DE 60239626 D1 DE60239626 D1 DE 60239626D1
- Authority
- DE
- Germany
- Prior art keywords
- relationship
- reducing
- medium
- communication signals
- minimum performance
- 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 - Lifetime
Links
- 230000003595 spectral effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
- H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Amplifiers (AREA)
- Near-Field Transmission Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/037,870 US7054385B2 (en) | 2001-10-22 | 2001-10-22 | Reduction of average-to-minimum power ratio in communications signals |
PCT/US2002/033779 WO2003036894A2 (en) | 2001-10-22 | 2002-10-22 | Reduction of average-to-minimum power ratio in communications signals |
Publications (1)
Publication Number | Publication Date |
---|---|
DE60239626D1 true DE60239626D1 (de) | 2011-05-12 |
Family
ID=21896804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60239626T Expired - Lifetime DE60239626D1 (de) | 2001-10-22 | 2002-10-22 | Verringerung des verhältnisses von mittlerer zu minimaler leistung in kommunikationssignalen |
Country Status (9)
Country | Link |
---|---|
US (2) | US7054385B2 (de) |
EP (1) | EP1438816B1 (de) |
JP (1) | JP2005512360A (de) |
KR (1) | KR20040045891A (de) |
AT (1) | ATE504143T1 (de) |
AU (1) | AU2002356840A1 (de) |
DE (1) | DE60239626D1 (de) |
TW (1) | TW586278B (de) |
WO (1) | WO2003036894A2 (de) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8331490B2 (en) * | 2001-10-22 | 2012-12-11 | Panasonic Corporation | Methods and apparatus for conditioning communications signals based on detection of high-frequency events in polar domain |
US20070211829A1 (en) * | 2001-10-22 | 2007-09-13 | Matsushita Electric Industrial Co., Ltd. | Method and apparatus for pulse optimization for non-linear filtering |
DE10206966B4 (de) * | 2002-02-19 | 2011-08-11 | Rohde & Schwarz GmbH & Co. KG, 81671 | Verfahren zum Schätzen von Verstärkungsfaktoren eines CDMA-Signals |
US7801244B2 (en) * | 2002-05-16 | 2010-09-21 | Rf Micro Devices, Inc. | Am to AM correction system for polar modulator |
US7991071B2 (en) | 2002-05-16 | 2011-08-02 | Rf Micro Devices, Inc. | AM to PM correction system for polar modulator |
US20040239415A1 (en) * | 2003-05-27 | 2004-12-02 | Bishop Christopher Brent | Methods of predicting power spectral density of a modulated signal and of a multi-h continuous phase modulated signal |
GB2402308B (en) * | 2003-05-28 | 2006-01-04 | Nokia Corp | Par reduction for edge clipper |
GB2412027B (en) * | 2004-03-08 | 2007-04-11 | Raytheon Systems Ltd | Secondary radar message decoding |
US7551686B1 (en) | 2004-06-23 | 2009-06-23 | Rf Micro Devices, Inc. | Multiple polynomial digital predistortion |
US7529523B1 (en) | 2004-08-23 | 2009-05-05 | Rf Micro Devices, Inc. | N-th order curve fit for power calibration in a mobile terminal |
US7359680B2 (en) | 2004-09-14 | 2008-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Delay calibration in polar modulation transmitters |
EP1659703A1 (de) * | 2004-11-17 | 2006-05-24 | Alcatel | Verfahren und Vorrichtung zur Verringerung des Verhältnisses von Spitzen- zu Durchschnittsleistung in Mobiltelephonen |
US8224265B1 (en) | 2005-06-13 | 2012-07-17 | Rf Micro Devices, Inc. | Method for optimizing AM/AM and AM/PM predistortion in a mobile terminal |
US7877060B1 (en) | 2006-02-06 | 2011-01-25 | Rf Micro Devices, Inc. | Fast calibration of AM/PM pre-distortion |
US7962108B1 (en) | 2006-03-29 | 2011-06-14 | Rf Micro Devices, Inc. | Adaptive AM/PM compensation |
US7782128B2 (en) | 2006-07-28 | 2010-08-24 | Mstar Semiconductor, Inc. | Sign detection device and associated method |
US7689182B1 (en) | 2006-10-12 | 2010-03-30 | Rf Micro Devices, Inc. | Temperature compensated bias for AM/PM improvement |
US8411709B1 (en) | 2006-11-27 | 2013-04-02 | Marvell International Ltd. | Use of previously buffered state information to decode in an hybrid automatic repeat request (H-ARQ) transmission mode |
US7995975B2 (en) * | 2006-12-21 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for signal peak-to-average ratio reduction |
US8111776B1 (en) * | 2007-01-09 | 2012-02-07 | Quintic Holdings | Pulse insertion systems and methods for polar modulation |
US20080187072A1 (en) * | 2007-02-07 | 2008-08-07 | Matsushita Electric Industrial Co., Ltd. | Method and Apparatus for Pulse Optimization for Hardware Implementation |
US8050352B2 (en) * | 2007-03-14 | 2011-11-01 | Panasonic Corporation | Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals |
US7639098B2 (en) * | 2007-03-14 | 2009-12-29 | Panasonic Corporation | Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals |
US8009762B1 (en) | 2007-04-17 | 2011-08-30 | Rf Micro Devices, Inc. | Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter |
US8010063B2 (en) | 2007-05-31 | 2011-08-30 | Panasonic Corporation | Signal enhancement in RF transmitters employing non-linear filtering |
US7839954B1 (en) * | 2007-06-19 | 2010-11-23 | Panasonic Corporation | Phase rotation of IQ origin |
US8995567B2 (en) * | 2007-07-31 | 2015-03-31 | Broadcom Corporation | Method and system for power supply adjustment and polar modulation in a MIMO system |
US8155604B2 (en) * | 2007-07-31 | 2012-04-10 | Broadcom Corporation | Method and system for power supply adjustment and polar modulation in an RF transmitter |
US7696821B2 (en) * | 2007-07-31 | 2010-04-13 | Broadcom Corporation | Method and system for extending dynamic range of an RF signal |
US8750414B2 (en) * | 2007-07-31 | 2014-06-10 | Broadcom Corporation | Method and system for polar modulation with discontinuous phase |
US8897393B1 (en) | 2007-10-16 | 2014-11-25 | Marvell International Ltd. | Protected codebook selection at receiver for transmit beamforming |
US8542725B1 (en) | 2007-11-14 | 2013-09-24 | Marvell International Ltd. | Decision feedback equalization for signals having unequally distributed patterns |
US20090153250A1 (en) * | 2007-12-12 | 2009-06-18 | Ahmadreza Rofougaran | Method and system for scaling supply, device size, and load of a power amplifier |
US8040989B2 (en) * | 2008-01-29 | 2011-10-18 | Ibiquity Digital Corporation | System and method for sampling rate adjustment of digital radio receiver |
US8565325B1 (en) | 2008-03-18 | 2013-10-22 | Marvell International Ltd. | Wireless device communication in the 60GHz band |
US8077770B2 (en) * | 2008-05-20 | 2011-12-13 | Panasonic Corporation | Methods and apparatus for reducing modulation signal bandwidth in polar modulation transmitters |
US8761261B1 (en) | 2008-07-29 | 2014-06-24 | Marvell International Ltd. | Encoding using motion vectors |
US8498342B1 (en) | 2008-07-29 | 2013-07-30 | Marvell International Ltd. | Deblocking filtering |
US8345533B1 (en) | 2008-08-18 | 2013-01-01 | Marvell International Ltd. | Frame synchronization techniques |
US8131233B2 (en) * | 2008-09-30 | 2012-03-06 | Panasonic Corporation | Time alignment methods and apparatus for polar modulation transmitters |
US8681893B1 (en) | 2008-10-08 | 2014-03-25 | Marvell International Ltd. | Generating pulses using a look-up table |
US20100124175A1 (en) * | 2008-11-14 | 2010-05-20 | Chi-Tung Chang | Apparatus and method for adaptively calculating symbolic start position |
US8300729B2 (en) * | 2009-03-30 | 2012-10-30 | Panasonic Corporation | Methods and apparatus for reducing high-frequency events in polar domain signals |
US8520771B1 (en) * | 2009-04-29 | 2013-08-27 | Marvell International Ltd. | WCDMA modulation |
US20100303135A1 (en) * | 2009-05-28 | 2010-12-02 | Paul Cheng-Po Liang | Method and apparatus for direct rf to digital converter |
US8385464B2 (en) | 2009-06-11 | 2013-02-26 | Panasonic Corporation | Methods and apparatus for reducing average-to-minimum power ratio in communications signals |
GB2471876B (en) * | 2009-07-15 | 2011-08-31 | Toshiba Res Europ Ltd | Data communication method and apparatus |
US8306486B2 (en) | 2009-07-23 | 2012-11-06 | Panasonic Corporation | Methods and apparatus for reducing the average-to-minimum power ratio of communications signals in communications transmitters |
US8363752B2 (en) * | 2009-09-01 | 2013-01-29 | Panasonic Corporation | Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters |
US8483312B2 (en) | 2009-09-01 | 2013-07-09 | Panasonic Corporation | Methods and apparatus for reducing the average-to-minimum magnitude ratio of communications signals in communications transmitters |
US8489042B1 (en) | 2009-10-08 | 2013-07-16 | Rf Micro Devices, Inc. | Polar feedback linearization |
US8185065B2 (en) * | 2009-10-15 | 2012-05-22 | Crestcom, Inc. | Transmitting unit that reduces PAPR using out-of-band distortion and method therefor |
US8717116B2 (en) * | 2009-12-29 | 2014-05-06 | Intel Mobile Communications GmbH | Method and apparatus for modifying a characteristic of a complex-valued signal |
CN102870475B (zh) * | 2010-03-12 | 2016-12-07 | 日升微器件公司 | 功率高效的通信 |
US8295386B2 (en) | 2010-06-14 | 2012-10-23 | Panasonic Corporation | Nonlinear filter and transmission circuit |
US8817771B1 (en) | 2010-07-16 | 2014-08-26 | Marvell International Ltd. | Method and apparatus for detecting a boundary of a data frame in a communication network |
DE102011053501B4 (de) * | 2011-09-12 | 2014-10-23 | Rwth Aachen | Vorrichtung zur Modifizierung von Trajektorien |
DE102013114832B3 (de) * | 2013-12-23 | 2015-01-08 | Intel IP Corporation | Verfahren, Basisbandsignalgenerator und Computerprogramm zum Bereitstellen eines Basisbandsignals |
US9397713B1 (en) | 2015-12-03 | 2016-07-19 | Eridan Communications, Inc. | Polar modulation using product mode |
US10454747B1 (en) * | 2018-09-07 | 2019-10-22 | Innophase, Inc. | Systems and methods for up-sampling a polar amplitude sample stream in a polar modulator |
CN109297437B (zh) * | 2018-10-25 | 2023-10-03 | 南京工程学院 | 一种基于psd自定心的深盲孔直线度测量装置 |
CN111243739A (zh) * | 2020-01-07 | 2020-06-05 | 四川大学 | 抗干扰的生理参数遥测方法及系统 |
WO2021224654A1 (en) * | 2020-05-04 | 2021-11-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Signal magnitude shaping |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4410955A (en) | 1981-03-30 | 1983-10-18 | Motorola, Inc. | Method and apparatus for digital shaping of a digital data stream |
US5381449A (en) | 1990-06-12 | 1995-01-10 | Motorola, Inc. | Peak to average power ratio reduction methodology for QAM communications systems |
US5287387A (en) | 1992-03-06 | 1994-02-15 | Motorola, Inc. | Low splatter peak-to-average signal reduction |
IT1259012B (it) | 1992-07-27 | 1996-03-11 | Alcatel Italia | Metodo e circuiti per la riduzione della potenza di picco del segnale filtrato trasmesso in un collegamento di tipo numerico |
US5302914A (en) | 1992-10-20 | 1994-04-12 | At&T Bell Laboratories | Method and apparatus for reducing the peak-to-average power in multi-carrier RF communication systems |
US5300894A (en) | 1992-10-20 | 1994-04-05 | At&T Bell Laboratories | Circuitry for minimizing peak power in an amplifier carrying a plurality of signals of differing frequencies |
US5642384A (en) | 1993-07-06 | 1997-06-24 | Ericsson Inc. | Trellis coded modulation scheme with low envelope variation for mobile radio by constraining a maximum modulus of a differential phase angle |
US5384547A (en) | 1993-08-02 | 1995-01-24 | Motorola, Inc. | Apparatus and method for attenuating a multicarrier input signal of a linear device |
US5349300A (en) | 1993-08-10 | 1994-09-20 | Motorola, Inc. | Method and apparatus for controlling a peak envelope power of a PA |
JP3442174B2 (ja) | 1995-01-19 | 2003-09-02 | 株式会社リコー | 画像形成装置サービスシステム |
US5835536A (en) | 1995-02-02 | 1998-11-10 | Motorola, Inc. | Method and apparatus for reducing peak-to-average requirements in multi-tone communication circuits |
US5621762A (en) | 1995-06-12 | 1997-04-15 | Motorola, Inc. | Radio with peak power and bandwidth efficient modulation |
US5727026A (en) | 1995-11-15 | 1998-03-10 | Motorola, Inc. | Method and apparatus for peak suppression using complex scaling values |
US5696794A (en) | 1996-04-04 | 1997-12-09 | Motorola, Inc. | Method and apparatus for conditioning digitally modulated signals using channel symbol adjustment |
US5805640A (en) * | 1996-04-04 | 1998-09-08 | Motorola, Inc. | Method and apparatus for conditioning modulated signals for digital communications |
GB2313525B (en) | 1996-05-24 | 2000-06-07 | Motorola Ltd | Filter for multicarrier communication system and method for peak power control therein |
US5930299A (en) | 1996-08-08 | 1999-07-27 | Motorola, Inc. | Digital modulator with compensation and method therefor |
DE19635813A1 (de) | 1996-09-04 | 1998-03-05 | Johannes Prof Dr Ing Huber | Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren |
US5705959A (en) * | 1996-10-08 | 1998-01-06 | The United States Of America As Represented By The Secretary Of The Air Force | High efficiency low distortion amplification |
US5838724A (en) | 1997-02-14 | 1998-11-17 | General Datacomm, Inc. | Spectral and power shaping mapper for high data rate signalling |
US6097252A (en) | 1997-06-02 | 2000-08-01 | Motorola, Inc. | Method and apparatus for high efficiency power amplification |
US5991336A (en) * | 1997-07-25 | 1999-11-23 | Globespan Technologies, Inc. | System and method for optimizing high speed data transmission |
US6175551B1 (en) | 1997-07-31 | 2001-01-16 | Lucent Technologies, Inc. | Transmission system and method employing peak cancellation to reduce the peak-to-average power ratio |
US6078628A (en) * | 1998-03-13 | 2000-06-20 | Conexant Systems, Inc. | Non-linear constant envelope modulator and transmit architecture |
US6445747B1 (en) * | 1998-07-14 | 2002-09-03 | At&T Corporation | Method and apparatus to reduce peak to average power ratio in multi-carrier modulation |
US6104761A (en) | 1998-08-28 | 2000-08-15 | Sicom, Inc. | Constrained-envelope digital-communications transmission system and method therefor |
US6687238B1 (en) * | 1999-03-10 | 2004-02-03 | Qualcomm Incorporated | CDMA signal transmission control |
US6147984A (en) | 1999-04-14 | 2000-11-14 | Motorola, Inc. | Method and apparatus for peak limiting in a modulator |
US6128350A (en) | 1999-08-24 | 2000-10-03 | Usa Digital Radio, Inc. | Method and apparatus for reducing peak to average power ratio in digital broadcasting systems |
FI112565B (fi) | 2000-02-22 | 2003-12-15 | Nokia Corp | Menetelmä ja radiojärjestelmä digitaalisen signaalin siirtoon |
WO2002009373A2 (en) * | 2000-07-21 | 2002-01-31 | Pmc-Sierra, Ltd. | Reduction of peak to average power ratio |
US7020070B2 (en) * | 2001-04-10 | 2006-03-28 | Telefonaktiebolaget L M Ericsson (Publ) | Selectively controlled modulation distortion of an IQ-baseband signal |
US7170952B2 (en) * | 2001-07-02 | 2007-01-30 | Powerwave Technologies, Inc. | System and method for post filtering peak power reduction in communications systems |
US6614323B2 (en) * | 2001-11-27 | 2003-09-02 | Motorola, Inc. | Modulated RF pulse waveform generation method and device |
-
2001
- 2001-10-22 US US10/037,870 patent/US7054385B2/en not_active Expired - Lifetime
-
2002
- 2002-10-22 TW TW091124349A patent/TW586278B/zh not_active IP Right Cessation
- 2002-10-22 DE DE60239626T patent/DE60239626D1/de not_active Expired - Lifetime
- 2002-10-22 AT AT02802185T patent/ATE504143T1/de not_active IP Right Cessation
- 2002-10-22 EP EP02802185A patent/EP1438816B1/de not_active Expired - Lifetime
- 2002-10-22 AU AU2002356840A patent/AU2002356840A1/en not_active Abandoned
- 2002-10-22 JP JP2003539259A patent/JP2005512360A/ja not_active Withdrawn
- 2002-10-22 WO PCT/US2002/033779 patent/WO2003036894A2/en active Application Filing
- 2002-10-22 KR KR10-2004-7005886A patent/KR20040045891A/ko not_active Application Discontinuation
-
2006
- 2006-05-26 US US11/442,488 patent/US7675993B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7054385B2 (en) | 2006-05-30 |
JP2005512360A (ja) | 2005-04-28 |
EP1438816A2 (de) | 2004-07-21 |
US20060227895A1 (en) | 2006-10-12 |
US20050281360A1 (en) | 2005-12-22 |
ATE504143T1 (de) | 2011-04-15 |
WO2003036894A2 (en) | 2003-05-01 |
AU2002356840A1 (en) | 2003-05-06 |
KR20040045891A (ko) | 2004-06-02 |
TW586278B (en) | 2004-05-01 |
US7675993B2 (en) | 2010-03-09 |
EP1438816B1 (de) | 2011-03-30 |
WO2003036894A3 (en) | 2003-08-14 |
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