PT1060602E - Processo para reduzir valores de pico em sinais emitidos digitais modulados em suporte unico ou modulados em suporte multiplo - Google Patents

Processo para reduzir valores de pico em sinais emitidos digitais modulados em suporte unico ou modulados em suporte multiplo

Info

Publication number
PT1060602E
PT1060602E PT98966399T PT98966399T PT1060602E PT 1060602 E PT1060602 E PT 1060602E PT 98966399 T PT98966399 T PT 98966399T PT 98966399 T PT98966399 T PT 98966399T PT 1060602 E PT1060602 E PT 1060602E
Authority
PT
Portugal
Prior art keywords
modulated
digital
issued
stand
transmitter
Prior art date
Application number
PT98966399T
Other languages
English (en)
Inventor
Ernst Eberlein
Heinz Gerhauser
Dietmar Schill
Original Assignee
Fraunhofer G Foerderung Angewa
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 Fraunhofer G Foerderung Angewa filed Critical Fraunhofer G Foerderung Angewa
Publication of PT1060602E publication Critical patent/PT1060602E/pt

Links

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
    • 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
    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2639—Modulators using other transforms, e.g. discrete cosine transforms, Orthogonal Time Frequency and Space [OTFS] or hermetic transforms
    • 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
    • H04L27/2697—Multicarrier modulation systems in combination with other modulation techniques
    • H04L27/2698—Multicarrier modulation systems in combination with other modulation techniques double density OFDM/OQAM system, e.g. OFDM/OQAM-IOTA system

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Steering Devices For Bicycles And Motorcycles (AREA)
PT98966399T 1998-03-03 1998-12-22 Processo para reduzir valores de pico em sinais emitidos digitais modulados em suporte unico ou modulados em suporte multiplo PT1060602E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19808993A DE19808993C2 (de) 1998-03-03 1998-03-03 Verfahren zur Spitzenwertreduktion bei Einträger-modulierten oder Mehrträger-modulierten, digitalen Sendesignalen

Publications (1)

Publication Number Publication Date
PT1060602E true PT1060602E (pt) 2004-09-30

Family

ID=7859537

Family Applications (1)

Application Number Title Priority Date Filing Date
PT98966399T PT1060602E (pt) 1998-03-03 1998-12-22 Processo para reduzir valores de pico em sinais emitidos digitais modulados em suporte unico ou modulados em suporte multiplo

Country Status (8)

Country Link
US (1) US6751267B1 (pt)
EP (1) EP1060602B1 (pt)
AT (1) ATE268086T1 (pt)
DE (2) DE19808993C2 (pt)
DK (1) DK1060602T3 (pt)
ES (1) ES2219934T3 (pt)
PT (1) PT1060602E (pt)
WO (1) WO1999045682A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19958210C2 (de) * 1999-12-02 2003-08-21 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erzeugen einer Sendesequenz und Vorrichtung und Verfahren zum Ermitteln eines Informationsworts aus einer empfangenen Sendesequenz
DE10015257A1 (de) * 2000-03-28 2001-10-04 Rohde & Schwarz Verfahren zum Übertragen von OFDM-Signalen
DE10050337C1 (de) * 2000-10-11 2002-01-17 Infineon Technologies Ag Verfahren und Vorrichtung zur Reduzierung der Maximalamplitude eines Transceiver-Sendesignals
US7215715B2 (en) * 2001-02-06 2007-05-08 Maxim Integrated Products, Inc. System and method of signal wave shaping for spectrum control of an OFDM signal
DE10112025A1 (de) * 2001-03-06 2002-09-19 Deutsche Telekom Ag Verfahren zur Verringerung der Außenbandstrahlung bei AM-Sendern für digitale Übertragung
US7127005B2 (en) * 2001-03-23 2006-10-24 James Stuart Wight Computational circuits and methods for processing modulated signals having non-constant envelopes
DE10212569A1 (de) * 2002-03-12 2003-09-25 Deutsche Telekom Ag Verfahren für Sendeverstärker für den Mobilfunk
WO2003094462A1 (de) * 2002-04-30 2003-11-13 Siemens Aktiengesellschaft Verfahren zur amplitudenbegrenzung eines trägerfrequenten ausgangssignals
US8484272B2 (en) * 2004-08-20 2013-07-09 Qualcomm Incorporated Unified pulse shaping for multi-carrier and single-carrier waveforms
EP1829311B1 (en) 2004-12-21 2011-11-02 Telefonaktiebolaget LM Ericsson (publ) Transmitter apparatus and method for transmitting packet data units in a communication system
US8798196B2 (en) 2011-01-25 2014-08-05 Ibiquity Digital Corporation Peak-to-average power ratio reduction for hybrid FM HD radio transmission

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268938A (en) * 1992-01-21 1993-12-07 International Business Machines Corporation Redundancy scheme for Fourier transform coding on peak limited channels
US5287387A (en) * 1992-03-06 1994-02-15 Motorola, Inc. Low splatter peak-to-average signal reduction
US5930688A (en) * 1992-04-02 1999-07-27 Stanford Telecommunications, Inc. Method and apparatus for intermodulation noise suppression in RF power amplifiers
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
US5835536A (en) * 1995-02-02 1998-11-10 Motorola, Inc. Method and apparatus for reducing peak-to-average requirements in multi-tone communication circuits
DE69632431T2 (de) * 1995-03-31 2005-05-19 Victor Company of Japan, Ltd., Yokohama Mehrträgenmodulator- und -demodulator mit Einrichtungen zur Verringerung der Spitzenleistung
US5638403A (en) * 1995-04-28 1997-06-10 Motorola, Inc. Low-splatter peak-to-average signal reduction with interpolation
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
DE19635813A1 (de) * 1996-09-04 1998-03-05 Johannes Prof Dr Ing Huber Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren
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
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

Also Published As

Publication number Publication date
DE19808993A1 (de) 1999-09-09
ES2219934T3 (es) 2004-12-01
US6751267B1 (en) 2004-06-15
WO1999045682A1 (de) 1999-09-10
DE19808993C2 (de) 2003-12-18
DK1060602T3 (da) 2004-08-09
EP1060602B1 (de) 2004-05-26
ATE268086T1 (de) 2004-06-15
DE59811480D1 (de) 2004-07-01
EP1060602A1 (de) 2000-12-20

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