SE9900289D0 - DC estimate method for a homodyne receiver - Google Patents

DC estimate method for a homodyne receiver

Info

Publication number
SE9900289D0
SE9900289D0 SE9900289A SE9900289A SE9900289D0 SE 9900289 D0 SE9900289 D0 SE 9900289D0 SE 9900289 A SE9900289 A SE 9900289A SE 9900289 A SE9900289 A SE 9900289A SE 9900289 D0 SE9900289 D0 SE 9900289D0
Authority
SE
Sweden
Prior art keywords
square sum
samples
average
calculator
signed
Prior art date
Application number
SE9900289A
Other languages
English (en)
Swedish (sv)
Inventor
Jan Peter Jakobsson
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
Priority to SE9900289A priority Critical patent/SE9900289D0/xx
Publication of SE9900289D0 publication Critical patent/SE9900289D0/xx
Priority to RU2001123692/09A priority patent/RU2241310C2/ru
Priority to DE60043147T priority patent/DE60043147D1/de
Priority to AU25854/00A priority patent/AU2585400A/en
Priority to CNB008042853A priority patent/CN1148009C/zh
Priority to AT00904171T priority patent/ATE445936T1/de
Priority to EP00904171A priority patent/EP1147615B1/en
Priority to PCT/SE2000/000147 priority patent/WO2000045523A2/en
Priority to TR2001/02158T priority patent/TR200102158T2/xx
Priority to MYPI20000279A priority patent/MY123524A/en
Priority to US09/492,381 priority patent/US6654596B1/en

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
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Optical Communication System (AREA)
  • Burglar Alarm Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
SE9900289A 1999-01-27 1999-01-27 DC estimate method for a homodyne receiver SE9900289D0 (sv)

Priority Applications (11)

Application Number Priority Date Filing Date Title
SE9900289A SE9900289D0 (sv) 1999-01-27 1999-01-27 DC estimate method for a homodyne receiver
TR2001/02158T TR200102158T2 (tr) 1999-01-27 2000-01-26 Bir homodin radyo alıcısı.
CNB008042853A CN1148009C (zh) 1999-01-27 2000-01-26 零差无线电接收机
DE60043147T DE60043147D1 (de) 1999-01-27 2000-01-26 Homodyn funkempfänger
AU25854/00A AU2585400A (en) 1999-01-27 2000-01-26 A homodyne radio receiver
RU2001123692/09A RU2241310C2 (ru) 1999-01-27 2000-01-26 Гомодинный радиоприемник
AT00904171T ATE445936T1 (de) 1999-01-27 2000-01-26 Homodyn funkempfänger
EP00904171A EP1147615B1 (en) 1999-01-27 2000-01-26 A homodyne radio receiver
PCT/SE2000/000147 WO2000045523A2 (en) 1999-01-27 2000-01-26 A homodyne radio receiver
MYPI20000279A MY123524A (en) 1999-01-27 2000-01-27 Homodyne radio receiver having dc compensation
US09/492,381 US6654596B1 (en) 1999-01-27 2000-01-27 Homodyne radio receiver having DC compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9900289A SE9900289D0 (sv) 1999-01-27 1999-01-27 DC estimate method for a homodyne receiver

Publications (1)

Publication Number Publication Date
SE9900289D0 true SE9900289D0 (sv) 1999-01-27

Family

ID=20414282

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9900289A SE9900289D0 (sv) 1999-01-27 1999-01-27 DC estimate method for a homodyne receiver

Country Status (11)

Country Link
US (1) US6654596B1 (zh)
EP (1) EP1147615B1 (zh)
CN (1) CN1148009C (zh)
AT (1) ATE445936T1 (zh)
AU (1) AU2585400A (zh)
DE (1) DE60043147D1 (zh)
MY (1) MY123524A (zh)
RU (1) RU2241310C2 (zh)
SE (1) SE9900289D0 (zh)
TR (1) TR200102158T2 (zh)
WO (1) WO2000045523A2 (zh)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366460A (en) * 2000-08-24 2002-03-06 Nokia Mobile Phones Ltd DC compensation for a direct conversion radio receiver
DE10128236A1 (de) * 2001-06-11 2002-08-01 Infineon Technologies Ag Verfahren zur Kompensation einer stufenförmigen DC-Störung in einem digitalen Basisbandsignal eines Homodyn-Funkempfängers
SE526872C2 (sv) 2003-05-26 2005-11-15 Infineon Technologies Wireless Metod och arrangemang för att avlägsna DC-offset från datasymboler
US6965330B1 (en) * 2004-07-22 2005-11-15 International Business Machines Corporation System and method for improved quality signal re-sampling using a weighted signal average
GB0803710D0 (en) * 2008-02-28 2008-04-09 Nokia Corp DC compensation
US8331892B2 (en) * 2008-03-29 2012-12-11 Qualcomm Incorporated Method and system for DC compensation and AGC
WO2012167555A1 (zh) 2011-11-15 2012-12-13 华为技术有限公司 一种校正同相正交信号的方法和装置
EP2792089B1 (en) 2011-12-15 2015-08-12 Telefonaktiebolaget LM Ericsson (Publ) Optical homodyne coherent receiver and method for receiving a multichannel optical signal
US9715006B2 (en) * 2014-02-05 2017-07-25 Ford Global Technologies, Llc System and method for avoiding DC bias in a homodyne receiver
WO2016142424A1 (en) * 2015-03-09 2016-09-15 Sony Corporation Device and method for determining a dc component
RU2626405C2 (ru) * 2015-12-28 2017-07-27 Федеральное государственное бюджетное образовательное учреждение высшего образования Московский авиационный институт (национальный исследовательский университет) (МАИ) Гомодинный радиолокатор
CN108183722B (zh) * 2016-12-08 2020-03-17 博通集成电路（上海）股份有限公司 电子收费接收器及其运行方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873702A (en) * 1988-10-20 1989-10-10 Chiu Ran Fun Method and apparatus for DC restoration in digital receivers
US4979230A (en) 1989-12-04 1990-12-18 General Instrument Corporation Up-conversion homodyne receiver for cable television converter with frequency offset to avoid adjacent channel interference
JP2807921B2 (ja) 1990-07-24 1998-10-08 アンリツ株式会社 Ｆｍ検波装置
US5241702A (en) 1990-09-06 1993-08-31 Telefonaktiebolaget L M Ericsson D.c. offset compensation in a radio receiver
GB2274759B (en) * 1993-02-02 1996-11-13 Nokia Mobile Phones Ltd Correction of D.C offset in received and demodulated radio signals
DE4341937A1 (de) * 1993-12-09 1995-06-14 Philips Patentverwaltung Elektrisches Gerät mit einer Anordnung zur Kompensation eines Gleichspannungsanteils
US5568520A (en) * 1995-03-09 1996-10-22 Ericsson Inc. Slope drift and offset compensation in zero-IF receivers
US5838735A (en) 1996-07-08 1998-11-17 Telefonaktiebolaget Lm Ericsson Method and apparatus for compensating for a varying d.c. offset in a sampled signal
US5749051A (en) * 1996-07-18 1998-05-05 Ericsson Inc. Compensation for second order intermodulation in a homodyne receiver
US6370205B1 (en) * 1999-07-02 2002-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for performing DC-offset compensation in a radio receiver

Also Published As

Publication number Publication date
WO2000045523A3 (en) 2000-12-07
RU2241310C2 (ru) 2004-11-27
CN1341297A (zh) 2002-03-20
MY123524A (en) 2006-05-31
EP1147615B1 (en) 2009-10-14
ATE445936T1 (de) 2009-10-15
AU2585400A (en) 2000-08-18
CN1148009C (zh) 2004-04-28
WO2000045523A2 (en) 2000-08-03
TR200102158T2 (tr) 2001-12-21
DE60043147D1 (de) 2009-11-26
EP1147615A2 (en) 2001-10-24
US6654596B1 (en) 2003-11-25

Similar Documents

Publication Publication Date Title
SE9900289D0 (sv) DC estimate method for a homodyne receiver
RU2127948C1 (ru) Способ и устройство для обеспечения индикации качества канала связи
FI73556B (fi) Radiokommunikationsmottagare.
NO20084108L (no) Mobilstasjon
CA2368279A1 (en) Method and apparatus for determining the location of a remote station in a cdma communication network
WO2006011953A3 (en) Method and apparatus for accessing a wireless multi-carrier communication system
NL193013B (nl) Abonnee-eenheid voor een draadloos digitaal communicatiesysteem.
HK1109290A1 (en) Wireless communication method and apparatus for optimizing access point channel selection
CA2097587A1 (en) Gsm interference band selection and reduced power handover
EP1217861A4 (en) NETWORK TERMINAL, BASE STATION DEVICE, AND RADIO COMMUNICATION METHOD
MXPA03003259A (es) Metodo y aparato para mejorar la recepcion en sistemas de comunicacion de acceso multiple.
EP1467518A4 (en) RADIO COMMUNICATION SYSTEM
EP2187541A3 (en) Method of and system for calibrating a repeater
AU2002353339A1 (en) Method and apparatus for generating a quality measure target value based on channel conditions
DE69618130T2 (de) Adaptive Frequenzkorrektur für Burstdetektor für GSM-Telefonhandapparat
AU7292200A (en) Quality measurement of circuit-switched service in cellular radio network
EP1524871A3 (en) Apparatus for scanning WCDMA channels
EP1480354A3 (en) Frequency and timing synchronization and error correction in a satellite network
MY133723A (en) "apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal"
CA2058927A1 (en) Method of predicting future measuring values of handoff decisions
CA2102504A1 (en) A Method for Eliminating Acoustic Echo in a Communication Device
ATE510363T1 (de) Mehrfachzugriffsstörungsunterdrückung
ATE327615T1 (de) Kommunikationssystem und verfahren
SE9202406L (sv) Förfarande för bildande av kvalitetsmått för signalskurar
DK1294207T3 (da) Fremgangsmåde til gennemförelse af målinger i en trådlös terminal og en trådlös terminal