WO2000069023A3 - Method for correcting dc offsets in a receiver - Google Patents

Method for correcting dc offsets in a receiver Download PDF

Info

Publication number
WO2000069023A3
WO2000069023A3 PCT/US2000/012805 US0012805W WO0069023A3 WO 2000069023 A3 WO2000069023 A3 WO 2000069023A3 US 0012805 W US0012805 W US 0012805W WO 0069023 A3 WO0069023 A3 WO 0069023A3
Authority
WO
WIPO (PCT)
Prior art keywords
offset
receiver
offsets
correcting
reducing
Prior art date
Application number
PCT/US2000/012805
Other languages
French (fr)
Other versions
WO2000069023A2 (en
Inventor
Zoran Zvonar
Original Assignee
Analog Devices Inc
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 Analog Devices Inc filed Critical Analog Devices Inc
Priority to DE60012504T priority Critical patent/DE60012504T2/en
Priority to DK00928949T priority patent/DK1177602T3/en
Priority to JP2000617521A priority patent/JP4540857B2/en
Priority to EP00928949A priority patent/EP1177602B1/en
Publication of WO2000069023A2 publication Critical patent/WO2000069023A2/en
Publication of WO2000069023A3 publication Critical patent/WO2000069023A3/en

Links

Classifications

    • 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
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • 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
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method

Abstract

A method for reducing DC offset from a receiver signal (34). The method includes jointly (i.e., simultaneously) estimating such DC offset and channel impulse response (51 and 53), and reducing the DC offset in accordance with the estimated DC offset and the estimate of the channel impulse response (52).
PCT/US2000/012805 1999-05-12 2000-05-11 Method for correcting dc offsets in a receiver WO2000069023A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE60012504T DE60012504T2 (en) 1999-05-12 2000-05-11 CORRECTION OF THE EQUIVALENT SOFTENCE OF A RECEIVER
DK00928949T DK1177602T3 (en) 1999-05-12 2000-05-11 Method for correcting DC offsets in a receiver
JP2000617521A JP4540857B2 (en) 1999-05-12 2000-05-11 Method for correcting DC offset in receiver
EP00928949A EP1177602B1 (en) 1999-05-12 2000-05-11 Method for correcting dc offsets in a receiver

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/310,612 1999-05-12
US09/310,612 US6504884B1 (en) 1999-05-12 1999-05-12 Method for correcting DC offsets in a receiver

Publications (2)

Publication Number Publication Date
WO2000069023A2 WO2000069023A2 (en) 2000-11-16
WO2000069023A3 true WO2000069023A3 (en) 2001-05-25

Family

ID=23203326

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/012805 WO2000069023A2 (en) 1999-05-12 2000-05-11 Method for correcting dc offsets in a receiver

Country Status (6)

Country Link
US (2) US6504884B1 (en)
EP (1) EP1177602B1 (en)
JP (1) JP4540857B2 (en)
DE (1) DE60012504T2 (en)
DK (1) DK1177602T3 (en)
WO (1) WO2000069023A2 (en)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000077946A1 (en) * 1999-06-11 2000-12-21 Nokia Corporation Method and apparatus for performing interference estimation
US6449320B1 (en) * 1999-07-02 2002-09-10 Telefonaktiebolaget Lm Ericsson (Publ) Equalization with DC-offset compensation
EP1224781A1 (en) * 1999-10-27 2002-07-24 Nokia Corporation Dc offset correction in a mobile communication system
GB2355900B (en) * 1999-10-29 2004-03-17 Ericsson Telefon Ab L M Radio receiver
JP3351412B2 (en) * 2000-01-17 2002-11-25 日本電気株式会社 DC offset removing method and receiving circuit provided with DC offset removing circuit
EP1277369A2 (en) * 2000-04-03 2003-01-22 Nokia Corporation Determing which cell, cell group or cell type a station is associated in idle state after the connection has been completed
US6661858B1 (en) * 2000-09-12 2003-12-09 Beaudin Andre DC restoration circuit for a radio receiver
US6801581B1 (en) * 2000-09-13 2004-10-05 Intel Corporation DC offset cancellation
US7068987B2 (en) 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
US6748200B1 (en) 2000-10-02 2004-06-08 Mark A. Webster Automatic gain control system and method for a ZIF architecture
US6901121B1 (en) * 2001-02-20 2005-05-31 Comsys Communication & Signal Processing Ltd. Compensation of DC offset impairment in a communications receiver
US7133442B2 (en) * 2001-03-29 2006-11-07 Hewlett-Packard Development Company, L.P. Rapid identification of transmission media channel characteristics
US20020168972A1 (en) * 2001-05-11 2002-11-14 Justiss James E. Antenna feedforward interference cancellation system
EP1389367A1 (en) 2001-05-21 2004-02-18 Nokia Corporation Communication system and method using transmit diversity
EP1271872A1 (en) * 2001-06-28 2003-01-02 Nokia Corporation Method and device for estimating the DC offset of a signal
US7058144B2 (en) * 2001-08-07 2006-06-06 Conexant, Inc. Intelligent control system and method for compensation application in a wireless communications system
US7349469B1 (en) * 2001-08-17 2008-03-25 Ati Research, Inc. DC offset correction for constant modulus equalization
GB0123290D0 (en) * 2001-09-27 2001-11-21 Nokia Corp DC offset correction in a mobile communication system
EP1474862A2 (en) * 2002-02-01 2004-11-10 Koninklijke Philips Electronics N.V. Additive dc component detection included in an input burst signal
EP1337083A1 (en) * 2002-02-13 2003-08-20 Agere Systems Limited DC offset and channel impulse response estimation
US7428278B2 (en) * 2002-05-09 2008-09-23 Interdigital Technology Corporation Method and apparatus for parallel midamble cancellation
US7269234B2 (en) * 2002-06-14 2007-09-11 Siemens Communications, Inc. Arrangement for dynamic DC offset compensation
US8559559B2 (en) * 2002-06-20 2013-10-15 Qualcomm, Incorporated Method and apparatus for compensating DC offsets in communication systems
US6987797B2 (en) * 2002-07-26 2006-01-17 Qualcomm Incorporated Non-parametric matched filter receiver for wireless communication systems
US6999537B2 (en) 2002-10-25 2006-02-14 Qualcomm Incorporated Method of removing DC offset for a ZIF-based GSM radio solution with digital frequency correlation
EP1801985A3 (en) * 2002-10-25 2007-07-18 Qualcomm, Incorporated Method of removing DC offset for a ZIF-based GSM radio receiver with digital frequency offset correction
AU2003271714A1 (en) * 2002-11-20 2004-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and corresponding arrangement for dc offset compensation using channel estimation
US7342979B2 (en) 2002-12-09 2008-03-11 Broadcom Corporation Incremental redundancy support in a cellular wireless terminal having IR processing module
US7027539B2 (en) 2002-12-09 2006-04-11 Broadcom Corporation Pipeline architecture for multi-slot wireless link processing
CN1224280C (en) * 2002-12-27 2005-10-19 大唐移动通信设备有限公司 Time-varying channel correction method for time-division slot mobile communication system
US7266359B2 (en) * 2003-03-18 2007-09-04 Freescale Semiconductor, Inc. DC interference removal in wireless communications
US7231001B2 (en) * 2003-03-24 2007-06-12 Agere Systems Inc. Processing servo data having DC level shifts
US20040190652A1 (en) * 2003-03-27 2004-09-30 Motorola, Inc. Method and apparatus for mitigating the effects of non-ideal receiver processing
DE10321743B4 (en) * 2003-05-14 2005-07-07 Infineon Technologies Ag Improved channel decoding in multicarrier signal transmission by DC offset and carrier frequency offset dependent weighting of reliability information
US7107080B2 (en) 2003-06-16 2006-09-12 Broadcom Corporation System and method to conduct idle mode paging channel monitoring within a cellular wireless network
US7203461B2 (en) 2003-06-16 2007-04-10 Broadcom Corporation Adaptive channel quality estimation algorithm to support link adaptation
US7406139B2 (en) 2003-06-16 2008-07-29 Broadcom Corporation System and method to identify a modulation format of a data frame within a cellular wireless network
US7352720B2 (en) 2003-06-16 2008-04-01 Broadcom Corporation System and method to determine a bit error probability of received communications within a cellular wireless network
US7068735B2 (en) 2003-06-16 2006-06-27 Broadcom Corp. System and method to perform DC compensation on a radio frequency burst in a cellular wireless network
US7342956B2 (en) 2003-06-16 2008-03-11 Broadcom Corporation System and method to extract uplink status flag bits in a cellular wireless network
US7349495B2 (en) * 2003-09-25 2008-03-25 Intel Corporation Soft bits normalization apparatus, method, and system
US7457379B2 (en) * 2003-10-16 2008-11-25 Broadcom Corporation Adaptive multi-step combined DC offset compensation for EDGE 8-PSK
US7266160B2 (en) * 2003-10-20 2007-09-04 Analog Devices, Inc. Method for joint DC offset correction and channel coefficient estimation in a receiver
WO2005048548A2 (en) * 2003-11-12 2005-05-26 Analog Devices, Inc. Digital data receiver for edge cellular standard
US7164901B2 (en) * 2003-12-24 2007-01-16 Agency For Science, Technology And Research DC offset-free RF front-end circuits and systems for direct conversion receivers
US7639736B2 (en) 2004-05-21 2009-12-29 Rambus Inc. Adaptive receive-side equalization
US20060009186A1 (en) * 2004-07-08 2006-01-12 Bin Liu Receiver front-end filtering using low pass filtering and equalization
DE102004039440A1 (en) * 2004-08-13 2006-02-23 Rohde & Schwarz Gmbh & Co. Kg Method for determining offset errors in modulators and demodulators
GB0419487D0 (en) * 2004-09-02 2004-10-06 Ttp Communications Ltd DC estimation in received signals
ITVA20040054A1 (en) * 2004-11-23 2005-02-23 St Microelectronics Srl METHOD FOR ESTIMATING CANE ATTENUATION COEFFICIENTS, METHOD OF RECEIVING SYMBOLS AND RELATIVE RECEIVER AND TRANSMITTER TO SINGLE ANTENNA OR MULTI-ANTENNA
US8090001B2 (en) * 2004-12-03 2012-01-03 Lantiq Deutschland Gmbh Fast frequency-hopping transceiver and method
KR100638592B1 (en) * 2004-12-11 2006-10-26 한국전자통신연구원 Dc offset cancelling apparatus and method thereof
US7508884B2 (en) * 2005-03-24 2009-03-24 Harris Corporation System and method for communicating data using constant amplitude equalized waveform
US7899431B2 (en) * 2005-04-04 2011-03-01 Freescale Semiconductor, Inc. DC offset correction system for a receiver with baseband gain control
TWI323590B (en) * 2005-04-14 2010-04-11 Realtek Semiconductor Corp Method and circuit for equalizing and compensating iq imbalance simultaneously
US7627030B2 (en) * 2005-08-05 2009-12-01 Freescale Semiconductors, Inc. Radio receiver with selectively disabled equalizer
US20070110199A1 (en) * 2005-11-15 2007-05-17 Afshin Momtaz Receive equalizer with adaptive loops
KR100666179B1 (en) * 2005-11-18 2007-01-09 삼성전자주식회사 Output driver and output driving method for preemphasis in output data with timing
US8331512B2 (en) 2006-04-04 2012-12-11 Rambus Inc. Phase control block for managing multiple clock domains in systems with frequency offsets
US7639737B2 (en) 2006-04-27 2009-12-29 Rambus Inc. Adaptive equalization using correlation of edge samples with data patterns
GB2437574B (en) * 2006-04-28 2008-06-25 Motorola Inc Receiver for use in wireless communications and method of operation of the receiver
FR2903546A1 (en) * 2006-07-07 2008-01-11 St Microelectronics Sa METHOD AND DEVICE FOR REDUCING THE CONTINUOUS COMPONENT OF A BASEBAND TRANSPOSE SIGNAL, PARTICULARLY IN A DIRECT-CONVERSION TYPE RECEIVER
WO2009099595A1 (en) 2008-02-01 2009-08-13 Rambus, Inc. Receiver with enhanced clock and data recovery
US7957412B2 (en) * 2008-03-19 2011-06-07 Cray Inc. Lonely pulse compensation
US8027651B2 (en) * 2008-12-05 2011-09-27 Motorola Solutions, Inc. Method and apparatus for removing DC offset in a direct conversion receiver
US8565351B2 (en) * 2011-04-28 2013-10-22 Mediatek Singapore Pte. Ltd. Channel impulse response (CIR)/DC offset (DCO) joint estimation block and method
US9231637B2 (en) * 2012-11-27 2016-01-05 Aviacomm Inc. Adaptive DC offset cancellation for direct conversion RF receivers
US8942316B2 (en) 2013-03-15 2015-01-27 Samsung Electronics Co., Ltd. Wireless communication system with signal processing mechanism and method of operation thereof
US8837066B1 (en) 2014-04-17 2014-09-16 Lsi Corporation Adaptive baseline correction involving estimation of filter parameter using a least mean squares algorithm

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487069A (en) * 1992-11-27 1996-01-23 Commonwealth Scientific And Industrial Research Organization Wireless LAN
US5610948A (en) * 1994-05-25 1997-03-11 Matsushita Electric Industrial Co., Ltd. Digital demodulation apparatus
US5748677A (en) * 1996-01-16 1998-05-05 Kumar; Derek D. Reference signal communication method and system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3024524B2 (en) * 1995-09-25 2000-03-21 日本電気株式会社 Carrier synchronization unit and synchronization method
US5748681A (en) * 1995-10-27 1998-05-05 Lucent Technologies Inc Offset correction for a homodyne radio
DE19606102C2 (en) * 1996-02-19 1998-09-03 Siemens Ag Method for compensating the DC voltage interference component of received signals and receiving device or radio station configured in this way
FI962140A (en) * 1996-05-21 1997-11-22 Nokia Telecommunications Oy Method for estimating impulse response and receiver
FI101919B1 (en) * 1996-11-21 1998-09-15 Nokia Telecommunications Oy Method for calculating impulse response and receiver
US6421399B1 (en) * 1998-03-05 2002-07-16 Agere Systems Guardian Corporation Frequency and phase estimation for MPSK signals
JPH11284677A (en) * 1998-03-27 1999-10-15 Nec Corp Demodulator and digital radio communication system using it
US6173011B1 (en) * 1998-05-28 2001-01-09 Glenayre Electronics, Inc. Forward-backward channel interpolator
US6269131B1 (en) * 1998-05-28 2001-07-31 Glenayre Electronics, Inc. Physical channel estimator
US6542560B1 (en) * 1999-04-23 2003-04-01 Lucent Technologies Inc. Method of channel estimation and compensation based thereon

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5487069A (en) * 1992-11-27 1996-01-23 Commonwealth Scientific And Industrial Research Organization Wireless LAN
US5610948A (en) * 1994-05-25 1997-03-11 Matsushita Electric Industrial Co., Ltd. Digital demodulation apparatus
US5748677A (en) * 1996-01-16 1998-05-05 Kumar; Derek D. Reference signal communication method and system

Also Published As

Publication number Publication date
WO2000069023A2 (en) 2000-11-16
US6504884B1 (en) 2003-01-07
EP1177602A2 (en) 2002-02-06
US6717995B2 (en) 2004-04-06
DK1177602T3 (en) 2004-12-06
DE60012504D1 (en) 2004-09-02
JP4540857B2 (en) 2010-09-08
US20030099310A1 (en) 2003-05-29
EP1177602B1 (en) 2004-07-28
DE60012504T2 (en) 2005-09-01
JP2002544693A (en) 2002-12-24
EP1177602A4 (en) 2003-03-05

Similar Documents

Publication Publication Date Title
WO2000069023A3 (en) Method for correcting dc offsets in a receiver
WO2001003396A3 (en) Equalization with dc-offset compensation
AU3245700A (en) Method and device for channel estimation, equalization, and interference suppression
MY120478A (en) A method and apparatus for performing dc-offset compensation in a radio receiver
AU2003248605A1 (en) Channel estimator and equalizer for ofdm systems
AU2002236555A1 (en) Synchronization, channel estimation and pilot tone tracking system
CA2282312A1 (en) Receiver apparatus, and associated method, for receiving a receive signal transmitted upon a channel susceptible to interference
AU7996100A (en) Method and estimator for providing change control
AU4406600A (en) Method of forming channel estimate, and receiver
AU2397000A (en) Receiver for smoothing channel estimates using spectral estimation
AU2002229058A1 (en) Method for estimating signal strengths
AU2001245788A1 (en) Method and system for channel estimation using multi-slot averaged interpolation
EP1303064A3 (en) System and method for in-service decision-directed signal to noise ratio estimation
AU1873899A (en) A method for improved channel impulse response estimation in tdma systems
GB2336741B (en) Arrival direction estimation method and DS-CDMA receiver unit using the method
EP0969608A3 (en) Channel estimation device for digital telecommunications stations
AU5684200A (en) Error estimation method and apparatus
AU2002360501A1 (en) Method and system for adaptive channel estimation techniques
AU7000100A (en) Estimation, in a rake receiver, of the rate of change of the channel
EP0975099A3 (en) Communication method, transmission power control method and mobile station
EP0632623A3 (en) Adaptive maximum likelihood sequence estimator.
AU7002300A (en) Distance estimation between transmitter and receiver
EP1047232A3 (en) Method of channel estimation
AU8565801A (en) Rate self-adaptive channel estimation method and the installation
WO2002021717A3 (en) Digital echo cancellor

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): JP

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
AK Designated states

Kind code of ref document: A3

Designated state(s): JP

AL Designated countries for regional patents

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2000928949

Country of ref document: EP

ENP Entry into the national phase

Ref country code: JP

Ref document number: 2000 617521

Kind code of ref document: A

Format of ref document f/p: F

WWP Wipo information: published in national office

Ref document number: 2000928949

Country of ref document: EP

WWG Wipo information: grant in national office

Ref document number: 2000928949

Country of ref document: EP