ATE249700T1 - Korrektur von quadratur- soweiverstärkungsfehlern in homodynempfängern - Google Patents

Korrektur von quadratur- soweiverstärkungsfehlern in homodynempfängern

Info

Publication number
ATE249700T1
ATE249700T1 AT00610026T AT00610026T ATE249700T1 AT E249700 T1 ATE249700 T1 AT E249700T1 AT 00610026 T AT00610026 T AT 00610026T AT 00610026 T AT00610026 T AT 00610026T AT E249700 T1 ATE249700 T1 AT E249700T1
Authority
AT
Austria
Prior art keywords
correction
square
gain errors
homodyne receiver
transformation
Prior art date
Application number
AT00610026T
Other languages
English (en)
Inventor
Bengt Lindoff
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE249700T1 publication Critical patent/ATE249700T1/de

Links

Classifications

    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • 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
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0016—Stabilisation of local oscillators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Optical Communication System (AREA)
AT00610026T 2000-02-29 2000-02-29 Korrektur von quadratur- soweiverstärkungsfehlern in homodynempfängern ATE249700T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00610026A EP1130866B1 (de) 2000-02-29 2000-02-29 Korrektur von Quadratur- soweiVerstärkungsfehlern in Homodynempfängern

Publications (1)

Publication Number Publication Date
ATE249700T1 true ATE249700T1 (de) 2003-09-15

Family

ID=8174375

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00610026T ATE249700T1 (de) 2000-02-29 2000-02-29 Korrektur von quadratur- soweiverstärkungsfehlern in homodynempfängern

Country Status (8)

Country Link
US (1) US6859507B2 (de)
EP (1) EP1130866B1 (de)
KR (1) KR100760793B1 (de)
AT (1) ATE249700T1 (de)
AU (1) AU5615801A (de)
DE (1) DE60005131D1 (de)
MY (1) MY127071A (de)
WO (1) WO2001065791A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6961324B2 (en) * 2001-05-02 2005-11-01 Ipr Licensing, Inc. System and method for interleaving compressed audio/video (A/V) data frames
EP1271871A1 (de) * 2001-06-20 2003-01-02 Motorola, Inc. Ausgleich von Fehlanpassungen zwischen Quadraturpfaden
US7233629B2 (en) 2001-06-29 2007-06-19 Nokia Corporation Adjusting a receiver
JP4195000B2 (ja) 2002-05-23 2008-12-10 アンテルユニヴェルシテール・ミクロ−エレクトロニカ・サントリュム・ヴェー・ゼッド・ドゥブルヴェ Ｉｑの不均衡を推定して補償するための方法及び装置
US7457586B1 (en) * 2005-03-15 2008-11-25 Rf Micro Devices, Inc. Method of in-device phase measurement and correlation to programmable factors
US10145937B2 (en) 2016-04-01 2018-12-04 Texas Instruments Incorporated Dynamic IQ mismatch correction in FMCW radar

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2639497B1 (fr) * 1988-11-21 1991-02-15 France Etat Demodulateur pour transmission numerique comportant un dispositif de correction automatique des defauts
US5095533A (en) 1990-03-23 1992-03-10 Rockwell International Corporation Automatic gain control system for a direct conversion receiver
DE4236547C2 (de) 1992-10-29 1994-09-29 Hagenuk Telecom Gmbh Homodynempfänger und Verfahren zur Korrektur des konvertierten Empfangssignals
US5710792A (en) * 1993-12-15 1998-01-20 Ntt Mobile Communications Network, Inc. Adaptive equalizer
DE4430679C1 (de) 1994-08-29 1995-12-21 Dataradio Eng & Consult Verfahren und Vorrichtung zur Entzerrung von Signalpaaren
US5604929A (en) 1995-04-21 1997-02-18 Rockwell International System for correcting quadrature gain and phase errors in a direct conversion single sideband receiver independent of the character of the modulated signal
US6615024B1 (en) * 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array

Also Published As

Publication number Publication date
DE60005131D1 (de) 2003-10-16
EP1130866B1 (de) 2003-09-10
KR20030003230A (ko) 2003-01-09
EP1130866A1 (de) 2001-09-05
US20020009162A1 (en) 2002-01-24
KR100760793B1 (ko) 2007-09-20
AU5615801A (en) 2001-09-12
MY127071A (en) 2006-11-30
US6859507B2 (en) 2005-02-22
WO2001065791A1 (en) 2001-09-07

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties