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AU2001278971A1 - Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms - Google Patents

Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms

Info

Publication number
AU2001278971A1
AU2001278971A1 AU2001278971A AU7897101A AU2001278971A1 AU 2001278971 A1 AU2001278971 A1 AU 2001278971A1 AU 2001278971 A AU2001278971 A AU 2001278971A AU 7897101 A AU7897101 A AU 7897101A AU 2001278971 A1 AU2001278971 A1 AU 2001278971A1
Authority
AU
Australia
Prior art keywords
carrier
peak
reduction
systems
methods
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.)
Abandoned
Application number
AU2001278971A
Inventor
Brenda Davison
Bartholomeus T. W. Klijsen
Denis John Peregrym
Richard E. Ryan
Andrew S Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsemi Storage Solutions Ltd
Original Assignee
PMC Sierra Ltd
PMC Sierra Israel Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PMC Sierra Ltd, PMC Sierra Israel Ltd filed Critical PMC Sierra Ltd
Publication of AU2001278971A1 publication Critical patent/AU2001278971A1/en
Abandoned legal-status Critical Current

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
    • H04L27/2624—Reduction thereof by clipping by soft clipping
    • 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
    • H04L25/03834—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using pulse shaping
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Transmitters (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AU2001278971A 2000-07-21 2001-07-20 Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms Abandoned AU2001278971A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22001800P 2000-07-21 2000-07-21
US60220018 2000-07-21
PCT/US2001/022844 WO2002009373A2 (en) 2000-07-21 2001-07-20 Reduction of peak to average power ratio

Publications (1)

Publication Number Publication Date
AU2001278971A1 true AU2001278971A1 (en) 2002-02-05

Family

ID=22821704

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001278971A Abandoned AU2001278971A1 (en) 2000-07-21 2001-07-20 Systems and methods for reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms

Country Status (4)

Country Link
US (4) US7061990B2 (en)
EP (1) EP1302045A2 (en)
AU (1) AU2001278971A1 (en)
WO (1) WO2002009373A2 (en)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6904269B1 (en) * 2000-06-02 2005-06-07 Tektronix, Inc. Signal type identification
US7061990B2 (en) * 2000-07-21 2006-06-13 Pmc-Sierra Inc. Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms
WO2002015507A1 (en) * 2000-08-17 2002-02-21 Huawei Technologies Co., Ltd. Method and apparatus for reducing multi-carrier signals ratio of peak power to average power
US7391819B1 (en) * 2002-10-08 2008-06-24 Urbain Alfred von der Embse Capacity bound and modulation for communications
GB2372917A (en) 2001-03-02 2002-09-04 Mitel Corp Discrete multi-tone peak reduction
JP2003060618A (en) * 2001-08-17 2003-02-28 Sony Corp Transmitter, receiver, radio communication system, radio transmission method, radio reception method, program, and program record medium
US6928121B2 (en) 2001-09-28 2005-08-09 Intersil Americas, Inc. Digital transmitter with constrained envelope and spectral regrowth over a plurality of carriers
US6999522B2 (en) * 2001-09-28 2006-02-14 Intersil Americas, Inc. Constrained-envelope digital communications transmitter and method therefor
US20070211829A1 (en) * 2001-10-22 2007-09-13 Matsushita Electric Industrial Co., Ltd. Method and apparatus for pulse optimization for non-linear filtering
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
US7054385B2 (en) * 2001-10-22 2006-05-30 Tropian, Inc. Reduction of average-to-minimum power ratio in communications signals
DE10206966B4 (en) * 2002-02-19 2011-08-11 Rohde & Schwarz GmbH & Co. KG, 81671 Method for estimating gain factors of a CDMA signal
US6911781B2 (en) * 2002-04-23 2005-06-28 Semiconductor Energy Laboratory Co., Ltd. Light emitting device and production system of the same
JP3796204B2 (en) * 2002-07-31 2006-07-12 松下電器産業株式会社 Multi-carrier transmission signal peak suppression method and multi-carrier transmission signal generation circuit having peak suppression function
JP4318510B2 (en) * 2002-08-28 2009-08-26 パナソニック株式会社 Communication apparatus and communication method
US8121020B1 (en) * 2002-10-08 2012-02-21 Urbain A. von der Embse QLM demodulation
KR100475180B1 (en) * 2002-10-24 2005-03-10 엘지전자 주식회사 Diminish appatatus for Peak to Average Ratio in multi-carrier transmitter
CN100483967C (en) * 2002-12-31 2009-04-29 中国科学技术大学 Transmitter and receiver capable of controlling peak power
ATE358381T1 (en) * 2003-03-11 2007-04-15 Cit Alcatel METHOD AND DEVICE FOR REDUCING THE PEAK TO AVERAGE POWER RATIO
GB2401516A (en) * 2003-04-17 2004-11-10 Univ Southampton Peak-to-average power ratio reduction by subtracting shaped pulses from a baseband signal
DE10320917A1 (en) * 2003-05-09 2004-12-09 Infineon Technologies Ag Method for generating transmission signal with reduced crest factor for high bit rate data transmitting telecommunication systems, using multicarrier transmission with transmission signal containing section with at least one peak value
GB2402308B (en) * 2003-05-28 2006-01-04 Nokia Corp Par reduction for edge clipper
US20040242261A1 (en) * 2003-05-29 2004-12-02 General Dynamics Decision Systems, Inc. Software-defined radio
US7376201B2 (en) * 2003-06-30 2008-05-20 Danam Inc. System and method for reducing crest factor of signal
US7042287B2 (en) 2003-07-23 2006-05-09 Northrop Grumman Corporation System and method for reducing dynamic range and improving linearity in an amplication system
JP4287225B2 (en) * 2003-09-18 2009-07-01 株式会社日立国際電気 Transmitter
GB2406300A (en) * 2003-09-20 2005-03-30 Rolls Royce Plc A method of laser machining components having a protective surface coating
US20070121738A1 (en) * 2003-09-30 2007-05-31 Matsushita Electric Industrial Co., Ltd. Transmission apparatus and peak suppression method
US7869528B2 (en) * 2003-10-31 2011-01-11 Northrop Grumman Systems Corporation Multi-carrier transceiver assembly
US7499501B2 (en) * 2004-04-16 2009-03-03 Omereen Wireless, Llc Symbol error based compensation methods for nonlinear amplifier distortion
US9094144B2 (en) * 2004-04-29 2015-07-28 Alcatel Lucent Methods and apparatus for code division multiple access communication using code book that provides reduced peak-to-average power ratio
DE102004039031B3 (en) * 2004-08-11 2005-12-08 Infineon Technologies Ag Output signal crest factor reducing method for e.g. asymmetric digital subscriber line system, involves characterizing partial corrector signals with preset frequencies to reduce crest factor of auxiliary signal by corrector parameters
DE102006001650B4 (en) * 2005-02-16 2010-12-23 Infineon Technologies Ag Signal processing device, use of the signal processing device and method for signal processing
US7542736B2 (en) * 2005-07-26 2009-06-02 M/A-Com, Inc. Techniques to decrease signal amplitude peak-to-average ratio in a wireless communications system
US8107900B2 (en) * 2005-10-06 2012-01-31 Panasonic Corporation Multi-carrier transmission device
US7453306B2 (en) * 2005-11-07 2008-11-18 Jds Uniphase Corporation Pulse shaping circuit
US20070206703A1 (en) * 2005-11-21 2007-09-06 Corredoura Paul L System and method for reducing dynamic range of modulated signals without increasing out-of-band power
CN1972263B (en) * 2005-11-23 2010-12-08 中兴通讯股份有限公司 A multi-carrier communication system
CN1972264B (en) * 2005-11-23 2010-05-05 中兴通讯股份有限公司 A method for reducing peak to average ratio of multicarrier
DE102005056954B4 (en) * 2005-11-29 2014-09-25 Lantiq Deutschland Gmbh Circuit arrangement for reducing a crest factor and method for reducing a signal dynamics
US7848446B2 (en) * 2006-09-27 2010-12-07 Telefonaktiebolaget L M Ericsson (Publ) Reduction of peak-to-average-power ratio in a telecommunications system
US7995975B2 (en) * 2006-12-21 2011-08-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for signal peak-to-average ratio reduction
US8351490B2 (en) 2007-01-26 2013-01-08 Agency For Science, Technology And Research Radio frequency identification transceiver
US20080187072A1 (en) * 2007-02-07 2008-08-07 Matsushita Electric Industrial Co., Ltd. Method and Apparatus for Pulse Optimization for Hardware Implementation
US8369809B2 (en) * 2007-07-27 2013-02-05 Netlogic Microsystems, Inc. Crest factor reduction
US8345774B2 (en) * 2008-01-11 2013-01-01 Apple Inc. Hypothetical reference decoder
US8406704B2 (en) * 2008-02-11 2013-03-26 Broadcom Corporation RF transmitter and integrated circuit with programmable baseband filtering and methods for use therewith
US8023588B1 (en) 2008-04-08 2011-09-20 Pmc-Sierra, Inc. Adaptive predistortion of non-linear amplifiers with burst data
WO2009151579A1 (en) * 2008-06-11 2009-12-17 Optichron, Inc. Crest factor reduction with phase optimization
US8259846B2 (en) * 2008-07-30 2012-09-04 Motorola Mobility Llc Apparatus and method for generating a multicarrier communication signal having a reduced crest factor
US8744336B2 (en) * 2008-08-27 2014-06-03 Qualcomm Incorporated Interference detection apparatus and method
US20100069009A1 (en) * 2008-09-15 2010-03-18 Sony Ericsson Mobile Communications Ab Adaptively Selecting Channel Filters for Multi-Carrier Edge
US8265196B2 (en) * 2008-12-23 2012-09-11 Texas Instruments Incorporated Noise injection circuit and method for signal processing
JP5339433B2 (en) * 2009-03-02 2013-11-13 株式会社エヌ・ティ・ティ・ドコモ Transmitter, receiver, power amplification method, and signal demodulation method
US8838017B2 (en) * 2009-03-31 2014-09-16 Qualcomm Incorporated Wideband jammer detector
US20120182948A1 (en) * 2009-07-20 2012-07-19 Commonwealth Scientific And Industrial Research Organisation Wireless Data Communications
US8391781B2 (en) * 2009-09-15 2013-03-05 Miteq, Inc Measuring satellite linearity from earth using a low duty cycle pulsed microwave signal
WO2011034977A2 (en) * 2009-09-15 2011-03-24 Miteq, Inc. A method of transmitting higher power from a satellite by more efficiently using the existing satellite power amplifiers
JP5201158B2 (en) * 2010-02-24 2013-06-05 住友電気工業株式会社 Signal processing circuit and communication apparatus having this circuit
US8446979B1 (en) 2010-03-02 2013-05-21 Pmc-Sierra, Inc. Predistortion with integral crest-factor reduction and reduced observation bandwidth
US8583033B2 (en) * 2010-03-05 2013-11-12 Wilson Electronics, Llc Oscillation protected amplifier with base station overload and noise floor protection
US9363068B2 (en) 2010-08-03 2016-06-07 Intel Corporation Vector processor having instruction set with sliding window non-linear convolutional function
US8599961B2 (en) * 2010-10-14 2013-12-03 KATREIN-Werke KG Crest factor reduction method and circuit for a multi-carrier signal
US8619903B2 (en) 2010-10-14 2013-12-31 Kathrein-Werke Kg Crest factor reduction for a multicarrier-signal with spectrally shaped single-carrier cancelation pulses
US8798196B2 (en) 2011-01-25 2014-08-05 Ibiquity Digital Corporation Peak-to-average power ratio reduction for hybrid FM HD radio transmission
FR2976428A1 (en) * 2011-06-07 2012-12-14 St Microelectronics Sa MULTISTANDARD WIRELESS TRANSMITTER
US8548085B2 (en) * 2011-06-17 2013-10-01 Telefonaktiebolaget L M Ericsson (Publ) Multi-carrier peak power reduction in frequency hopping systems
US8412124B2 (en) * 2011-07-26 2013-04-02 Telefonaktiebolaget L M Ericsson (Publ) Multi-band peak power reduction
US8639180B2 (en) 2011-08-23 2014-01-28 Wilson Electronics, Llc Verifying and mitigating oscillation in amplifiers
US8849187B2 (en) 2011-08-23 2014-09-30 Wilson Electronics, Llc Radio frequency amplifier noise reduction system
US8874029B2 (en) 2011-08-23 2014-10-28 Wilson Electronics, Llc Verifying oscillation in amplifiers and the mitigation thereof
US8583034B2 (en) 2011-08-23 2013-11-12 Wilson Electronics, Llc Verifying and mitigating oscillation in amplifiers
US8874030B2 (en) 2011-08-23 2014-10-28 Wilson Electronics, Llc Oscillation detection and oscillation mitigation in amplifiers
KR20140084290A (en) * 2011-10-27 2014-07-04 엘에스아이 코포레이션 Processor having instruction set with user-defined non-linear functions for digital pre-distortion(dpd) and other non-linear applications
RU2012102842A (en) 2012-01-27 2013-08-10 ЭлЭсАй Корпорейшн INCREASE DETECTION OF THE PREAMBLE
WO2013123580A1 (en) * 2012-02-25 2013-08-29 Steve Beaudin Apparatus, system and method for performing peak power reduction of a communication signal
KR101954659B1 (en) * 2012-08-14 2019-03-07 삼성전자주식회사 Apparatus and method for generating gussian pulse and ultra wide band communication apparatus for generating gussian pulse
US8861304B1 (en) 2012-09-24 2014-10-14 Altera Corporation Circuitry for generating peak cancelling pulses
US9923595B2 (en) 2013-04-17 2018-03-20 Intel Corporation Digital predistortion for dual-band power amplifiers
CA2814303A1 (en) 2013-04-26 2014-10-26 Cellphone-Mate, Inc. Apparatus and methods for radio frequency signal boosters
EP3042478B1 (en) * 2013-09-03 2018-08-22 Telefonaktiebolaget LM Ericsson (publ) Method and apparatus for application of distortion shaping when using peak-to-average ratio reduction
KR20150057834A (en) * 2013-11-20 2015-05-28 한국전자통신연구원 Method and apparatus of transmitting data in multi-carrier system
US9337782B1 (en) 2014-05-21 2016-05-10 Altera Corporation Methods and apparatus for adjusting transmit signal clipping thresholds
US9485129B1 (en) 2014-07-07 2016-11-01 Altera Corporation Multi-standard peak canceling circuitry
RU2667077C1 (en) * 2014-12-31 2018-09-14 Хуавэй Текнолоджиз Ко., Лтд. Method for processing signals and device
US9503301B2 (en) * 2015-03-18 2016-11-22 Xilinx, Inc. Noise-shaping crest factor reduction with polyphase transforming
US9998314B1 (en) * 2016-12-13 2018-06-12 Gatesair, Inc. Peak-to-average reduction with post-amplifier filter
WO2018133037A1 (en) 2017-01-20 2018-07-26 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for par reduction
US10673518B2 (en) 2017-06-27 2020-06-02 Wilson Electronics, Llc Crossover isolation reduction in a signal booster
CN111357250B (en) 2017-11-17 2022-05-10 瑞典爱立信有限公司 Apparatus and method for authorizing secondary access to signal processing in a radio system
US10992265B2 (en) 2019-03-29 2021-04-27 Eta Wireless, Inc. Multi-stage pulse shaping network
US10742467B1 (en) * 2019-07-10 2020-08-11 United States Of America As Represented By Secretary Of The Navy Digital dynamic delay for analog power savings in multicarrier burst waveforms
US11715876B2 (en) * 2019-07-15 2023-08-01 Wafer Llc System and method for real-time multiplexing phased array antennas to modems

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381449A (en) 1990-06-12 1995-01-10 Motorola, Inc. Peak to average power ratio reduction methodology for QAM communications systems
US5201071A (en) 1990-09-26 1993-04-06 Rockwell International Corporation Method and apparatus for reducing the peak envelope voltage of an RF transmitter while maintaining signal average power
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
US5838732A (en) 1994-10-31 1998-11-17 Airnet Communications Corp. Reducing peak-to-average variance of a composite transmitted signal generated by a digital combiner via carrier phase offset
GB2340003B (en) * 1994-12-15 2000-03-22 Inmarsat Ltd Multiplex communication
US5793797A (en) 1995-05-09 1998-08-11 Unisys Corporation Data transmisson system with a low peak-to-average power ratio based on distorting small amplitude signals
US5621762A (en) 1995-06-12 1997-04-15 Motorola, Inc. Radio with peak power and bandwidth efficient modulation
US5960028A (en) * 1995-08-11 1999-09-28 Sharp Kabushiki Kaisha Spread spectrum communication system
US5710990A (en) 1996-03-21 1998-01-20 Motorola, Inc. Transmitter which adjusts peak-to-average power of a multicarrier signal by switching between a group of channels and a phase-adjusted group of channels
US5805640A (en) 1996-04-04 1998-09-08 Motorola, Inc. Method and apparatus for conditioning modulated signals for digital communications
US5696794A (en) 1996-04-04 1997-12-09 Motorola, Inc. Method and apparatus for conditioning digitally modulated signals using channel symbol adjustment
US5815532A (en) 1996-05-01 1998-09-29 Glenayre Electronics, Inc. Method and apparatus for peak-to-average ratio control in an amplitude modulation paging transmitter
US5930299A (en) 1996-08-08 1999-07-27 Motorola, Inc. Digital modulator with compensation and method therefor
DE19635813A1 (en) 1996-09-04 1998-03-05 Johannes Prof Dr Ing Huber Process for reducing the peak value factor in digital transmission processes
JP3311950B2 (en) 1996-12-19 2002-08-05 富士通株式会社 Code multiplex radio equipment
JP3311951B2 (en) 1996-12-20 2002-08-05 富士通株式会社 Code multiplex transmitter
US5970053A (en) 1996-12-24 1999-10-19 Rdl, Inc. Method and apparatus for controlling peak factor of coherent frequency-division-multiplexed systems
US5894498A (en) 1997-02-26 1999-04-13 Motorola, Inc. Method and apparatus for analyzing a composite carrier signal
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
US5923712A (en) * 1997-05-05 1999-07-13 Glenayre Electronics, Inc. Method and apparatus for linear transmission by direct inverse modeling
CN1260917A (en) 1997-06-17 2000-07-19 夸尔柯姆股份有限公司 Multichannel Links with Reduced Peak-to-Average Amplitude Ratio
US5870047A (en) * 1997-07-07 1999-02-09 Sicom, Inc. Signal converter using multiple data streams and method therefor
US6130916A (en) * 1997-07-10 2000-10-10 3Com Corporation Method and apparatus for improving a transmission data rate of baseband data in a wireless network
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
US6563856B1 (en) 1998-07-08 2003-05-13 Wireless Facilities, Inc. Frame synchronization and detection technique for a digital receiver
EP0940925A1 (en) 1998-03-05 1999-09-08 Lucent Technologies Inc. System and method to reduce the peak-to-average power ratio in a DS-CMDA transmitter
US6301268B1 (en) 1998-03-10 2001-10-09 Lucent Technologies Inc. Communication method for frequency division multiplexing signalling systems with reduced average power requirements
JP3462388B2 (en) 1998-04-28 2003-11-05 松下電器産業株式会社 Wireless communication device
FI105506B (en) * 1998-04-30 2000-08-31 Nokia Networks Oy Linearization procedure for amplifiers and amplifier arrangements
JP4004653B2 (en) * 1998-08-03 2007-11-07 カスタム・テクノロジー株式会社 Motion vector detection method and apparatus, and recording medium
US6104761A (en) 1998-08-28 2000-08-15 Sicom, Inc. Constrained-envelope digital-communications transmission system and method therefor
JP2988522B1 (en) * 1998-09-28 1999-12-13 日本電気株式会社 CDMA transmitter
DE19850642C2 (en) * 1998-11-03 2003-08-07 Infineon Technologies Ag Method for reducing the crest factor of a signal
US6931053B2 (en) 1998-11-27 2005-08-16 Nortel Networks Limited Peak power and envelope magnitude regulators and CDMA transmitters featuring such regulators
US6236864B1 (en) * 1998-11-27 2001-05-22 Nortel Networks Limited CDMA transmit peak power reduction
SE513863C2 (en) * 1999-01-29 2000-11-20 Ericsson Telefon Ab L M Method and apparatus for cutting in a CDMA system
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
US6304140B1 (en) * 2000-06-12 2001-10-16 Motorola, Inc. Digital predistortion for amplifiers
US6907066B1 (en) * 2000-07-13 2005-06-14 Advanced Micro Devices, Inc. Arrangement for reducing transmitted jitter
US7061990B2 (en) 2000-07-21 2006-06-13 Pmc-Sierra Inc. Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms
US6424678B1 (en) * 2000-08-01 2002-07-23 Motorola, Inc. Scalable pattern methodology for multi-carrier communication systems
JP2002170521A (en) * 2000-11-29 2002-06-14 Nec Corp Plane type fluorescent lamp, lighting system, and liquid crystal display device
US6928122B2 (en) * 2001-06-07 2005-08-09 Motorola, Inc. Amplifier predistortion system and method

Also Published As

Publication number Publication date
US7061991B2 (en) 2006-06-13
US7453954B2 (en) 2008-11-18
EP1302045A2 (en) 2003-04-16
US20020101935A1 (en) 2002-08-01
US20060198465A1 (en) 2006-09-07
US20020101936A1 (en) 2002-08-01
WO2002009373A2 (en) 2002-01-31
WO2002009373A3 (en) 2002-06-06
US20060198466A1 (en) 2006-09-07
US7409011B2 (en) 2008-08-05
US7061990B2 (en) 2006-06-13

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