ATE510349T1 - Signalverarbeitungsschaltung und verfahren mit auf- und abwärtsfrequenzumwandlung - Google Patents

Signalverarbeitungsschaltung und verfahren mit auf- und abwärtsfrequenzumwandlung

Info

Publication number
ATE510349T1
ATE510349T1 AT08863635T AT08863635T ATE510349T1 AT E510349 T1 ATE510349 T1 AT E510349T1 AT 08863635 T AT08863635 T AT 08863635T AT 08863635 T AT08863635 T AT 08863635T AT E510349 T1 ATE510349 T1 AT E510349T1
Authority
AT
Austria
Prior art keywords
conversion
frequency
digital signal
signal processor
processing circuit
Prior art date
Application number
AT08863635T
Other languages
English (en)
Inventor
De Beek Remco Van
Domine Leenaerts
Charles Razzell
Jozef R M Bergervoet
Original Assignee
St Ericsson Sa
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 St Ericsson Sa filed Critical St Ericsson Sa
Application granted granted Critical
Publication of ATE510349T1 publication Critical patent/ATE510349T1/de

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/362Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0047Offset of DC voltage or frequency
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0082Quadrature arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0016Stabilisation of local oscillators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0018Arrangements at the transmitter end
    • H04L2027/0022Arrangements at the transmitter end using the carrier of the associated receiver of a transceiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/0032Correction of carrier offset at baseband and passband
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0063Elements of loops
    • H04L2027/0065Frequency error detectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
AT08863635T 2007-12-21 2008-12-19 Signalverarbeitungsschaltung und verfahren mit auf- und abwärtsfrequenzumwandlung ATE510349T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07123938 2007-12-21
PCT/EP2008/068079 WO2009080776A2 (en) 2007-12-21 2008-12-19 Signal processing circuit and method with frequency up- and down-conversion

Publications (1)

Publication Number Publication Date
ATE510349T1 true ATE510349T1 (de) 2011-06-15

Family

ID=40677707

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08863635T ATE510349T1 (de) 2007-12-21 2008-12-19 Signalverarbeitungsschaltung und verfahren mit auf- und abwärtsfrequenzumwandlung

Country Status (4)

Country Link
US (1) US8532224B2 (de)
EP (1) EP2229724B1 (de)
AT (1) ATE510349T1 (de)
WO (1) WO2009080776A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8442171B2 (en) 2010-10-07 2013-05-14 Maxim Integrated Products, Inc. Digital correction of analog polyphase filters
US8774316B2 (en) 2011-07-13 2014-07-08 Harris Corporation Transmitter including calibration of an in-phase/quadrature (I/Q) modulator and associated methods
EP3264615B1 (de) * 2016-07-01 2021-08-25 Intel Corporation Anpassungsschaltung und vorrichtung, verfahren und computerprogramme für anpassung, herstellung und betrieb, funkgerät, mobilfunkgerät, basisstations-sender-empfänger und speicherung für computerprogramme oder befehle
US11280871B2 (en) * 2019-12-12 2022-03-22 Rohde & Schwarz Gmbh & Co. Kg Method of absolute phase calibration as well as calibration system
CN112671681B (zh) * 2020-02-03 2022-03-01 腾讯科技(深圳)有限公司 边带抑制方法、装置、计算机设备和存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10114779A1 (de) * 2001-03-26 2002-10-24 Infineon Technologies Ag Sende-und Empfangseinheit
DE102004005130B3 (de) 2004-02-02 2005-04-14 Infineon Technologies Ag Sende-/Empfangsanordnung und Verfahren zur Reduktion von Nichtlinearitäten in Ausgangssignalen einer Sende-/Empfangsanordnung
US20060109893A1 (en) * 2004-11-24 2006-05-25 Hsin-Hung Chen Inphase/quadrature phase imbalance compensation

Also Published As

Publication number Publication date
US20110019773A1 (en) 2011-01-27
EP2229724B1 (de) 2011-05-18
US8532224B2 (en) 2013-09-10
WO2009080776A3 (en) 2010-04-22
EP2229724A2 (de) 2010-09-22
WO2009080776A2 (en) 2009-07-02

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