ATE453998T1 - Verfahren zur schätzung der phase und des pegels von über einen qam-modulierten übertragungskanal übertragenen sdaten - Google Patents

Verfahren zur schätzung der phase und des pegels von über einen qam-modulierten übertragungskanal übertragenen sdaten

Info

Publication number
ATE453998T1
ATE453998T1 AT05802554T AT05802554T ATE453998T1 AT E453998 T1 ATE453998 T1 AT E453998T1 AT 05802554 T AT05802554 T AT 05802554T AT 05802554 T AT05802554 T AT 05802554T AT E453998 T1 ATE453998 T1 AT E453998T1
Authority
AT
Austria
Prior art keywords
estimating
phase
sub
level
data transmitted
Prior art date
Application number
AT05802554T
Other languages
English (en)
Inventor
Benoit Geller
Jean-Pierre Barbot
Jean-Marc Brossier
Christophe Vanstraceele
Original Assignee
Centre Nat Rech Scient
Ecole Norm Superieure Cachan
Inst Nat Polytech Grenoble
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 Centre Nat Rech Scient, Ecole Norm Superieure Cachan, Inst Nat Polytech Grenoble filed Critical Centre Nat Rech Scient
Application granted granted Critical
Publication of ATE453998T1 publication Critical patent/ATE453998T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0047—Decoding adapted to other signal detection operation
    • H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3809—Amplitude regulation arrangements
    • 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
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • 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
    • H04L27/3494—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems using non - square modulating pulses, e.g. using raised cosine pulses; Partial response QAM, i.e. with partial response pulse shaping
    • 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
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
    • H04L27/3827—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers in which the carrier is recovered using only the demodulated baseband signals
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/0342—QAM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
AT05802554T 2004-09-20 2005-09-16 Verfahren zur schätzung der phase und des pegels von über einen qam-modulierten übertragungskanal übertragenen sdaten ATE453998T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0409928A FR2875659B1 (fr) 2004-09-20 2004-09-20 Procede d'estimation de la phase et du gain de donnees d'observation transmises sur un canal de transmission en modulation qam
PCT/FR2005/002301 WO2006032768A1 (fr) 2004-09-20 2005-09-16 Procede d'estimation de la phase et du gain de donnees d'observation transmises sur un canal de transmission en modulation qam

Publications (1)

Publication Number Publication Date
ATE453998T1 true ATE453998T1 (de) 2010-01-15

Family

ID=34949877

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05802554T ATE453998T1 (de) 2004-09-20 2005-09-16 Verfahren zur schätzung der phase und des pegels von über einen qam-modulierten übertragungskanal übertragenen sdaten

Country Status (8)

Country Link
US (1) US20080063121A1 (de)
EP (1) EP1792463B1 (de)
JP (1) JP2008514075A (de)
KR (1) KR20070094729A (de)
AT (1) ATE453998T1 (de)
DE (1) DE602005018661D1 (de)
FR (1) FR2875659B1 (de)
WO (1) WO2006032768A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1816975B (zh) * 2003-09-26 2012-07-18 美商内数位科技公司 决定无线通信传输功率增益因素的装置及方法
US8369449B2 (en) * 2005-09-20 2013-02-05 Koninklijke Philips Electronics N.V. Method and system of diversity transmission of data employing M-point QAM modulation
US9112614B2 (en) 2012-03-02 2015-08-18 Alcatel Lucent Correction of a local-oscillator phase error in a coherent optical receiver
US9137065B2 (en) * 2012-12-20 2015-09-15 Qualcomm Incorporated Systems and methods to mitigate phase noise
US9077455B2 (en) 2012-12-28 2015-07-07 Alcatel Lucent Optical receiver having a MIMO equalizer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6549561B2 (en) * 2001-02-21 2003-04-15 Magis Networks, Inc. OFDM pilot tone tracking for wireless LAN
US20030043947A1 (en) * 2001-05-17 2003-03-06 Ephi Zehavi GFSK receiver

Also Published As

Publication number Publication date
EP1792463A1 (de) 2007-06-06
EP1792463B1 (de) 2009-12-30
FR2875659B1 (fr) 2006-12-22
JP2008514075A (ja) 2008-05-01
KR20070094729A (ko) 2007-09-21
DE602005018661D1 (de) 2010-02-11
WO2006032768A1 (fr) 2006-03-30
FR2875659A1 (fr) 2006-03-24
US20080063121A1 (en) 2008-03-13

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