DE602005010661D1 - Schätzung des Phasen- und Verstärkungsversatzes mittels eines gewichteten Durchschnitts von Werten, die in einer Pluralität von Signalteilbändern kalkuliert sind - Google Patents

Schätzung des Phasen- und Verstärkungsversatzes mittels eines gewichteten Durchschnitts von Werten, die in einer Pluralität von Signalteilbändern kalkuliert sind

Info

Publication number
DE602005010661D1
DE602005010661D1 DE602005010661T DE602005010661T DE602005010661D1 DE 602005010661 D1 DE602005010661 D1 DE 602005010661D1 DE 602005010661 T DE602005010661 T DE 602005010661T DE 602005010661 T DE602005010661 T DE 602005010661T DE 602005010661 D1 DE602005010661 D1 DE 602005010661D1
Authority
DE
Germany
Prior art keywords
estimate
phase
weighted average
values calculated
gain offset
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.)
Active
Application number
DE602005010661T
Other languages
English (en)
Inventor
Julien Schmitt
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.)
DiBcom SA
Original Assignee
DiBcom 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 DiBcom SA filed Critical DiBcom SA
Publication of DE602005010661D1 publication Critical patent/DE602005010661D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3863—Compensation for quadrature error in the received signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband 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
    • H04L27/2647—Arrangements specific to the receiver only
DE602005010661T 2005-03-03 2005-03-03 Schätzung des Phasen- und Verstärkungsversatzes mittels eines gewichteten Durchschnitts von Werten, die in einer Pluralität von Signalteilbändern kalkuliert sind Active DE602005010661D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05290482A EP1699202B1 (de) 2005-03-03 2005-03-03 Schätzung des Phasen- und Verstärkungsversatzes mittels eines gewichteten Durchschnitts von Werten, die in einer Pluralität von Signalteilbändern kalkuliert sind

Publications (1)

Publication Number Publication Date
DE602005010661D1 true DE602005010661D1 (de) 2008-12-11

Family

ID=34941983

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005010661T Active DE602005010661D1 (de) 2005-03-03 2005-03-03 Schätzung des Phasen- und Verstärkungsversatzes mittels eines gewichteten Durchschnitts von Werten, die in einer Pluralität von Signalteilbändern kalkuliert sind

Country Status (8)

Country Link
US (1) US7924955B2 (de)
EP (1) EP1699202B1 (de)
JP (1) JP4931440B2 (de)
KR (1) KR20060096346A (de)
CN (1) CN1881971B (de)
DE (1) DE602005010661D1 (de)
ES (1) ES2314591T3 (de)
TW (1) TW200642385A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8331506B2 (en) * 2010-03-12 2012-12-11 Telefonaktiebolaget L M Ericsson (Publ) Frequency-dependent IQ imbalance estimation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09153882A (ja) * 1995-09-25 1997-06-10 Victor Co Of Japan Ltd 直交周波数分割多重信号伝送方式、送信装置及び受信装置
DE19948383A1 (de) * 1999-10-07 2001-04-12 Rohde & Schwarz Verfahren zum empfangsseitigen Bestimmen der Nutzdatenkonstellation eines nach dem DVB-T-Standard modulierten Multiträger-Signals für die Berechnung der Restträgerleistung bzw. Verbesserung der Demodulation
US20030231726A1 (en) * 2002-06-12 2003-12-18 Andreas Schuchert Arrangement and method for frequency domain compensation of OFDM signals with IQ imbalance
US7248625B2 (en) * 2002-09-05 2007-07-24 Silicon Storage Technology, Inc. Compensation of I-Q imbalance in digital transceivers
KR100475124B1 (ko) * 2003-01-15 2005-03-10 삼성전자주식회사 위상 및 이득 부정합 보상 기능을 가지는 직접 변환방식의 무선신호 수신 장치

Also Published As

Publication number Publication date
CN1881971A (zh) 2006-12-20
EP1699202B1 (de) 2008-10-29
EP1699202A1 (de) 2006-09-06
US7924955B2 (en) 2011-04-12
CN1881971B (zh) 2013-07-24
JP2006246482A (ja) 2006-09-14
KR20060096346A (ko) 2006-09-11
TW200642385A (en) 2006-12-01
US20060203942A1 (en) 2006-09-14
JP4931440B2 (ja) 2012-05-16
ES2314591T3 (es) 2009-03-16

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Legal Events

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8364 No opposition during term of opposition