CN1372743A - 一种用于实施无线电接收机中dc偏移补偿的方法和设备 - Google Patents
一种用于实施无线电接收机中dc偏移补偿的方法和设备 Download PDFInfo
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- CN1372743A CN1372743A CN00812387.XA CN00812387A CN1372743A CN 1372743 A CN1372743 A CN 1372743A CN 00812387 A CN00812387 A CN 00812387A CN 1372743 A CN1372743 A CN 1372743A
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Classifications
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- 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
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- 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
- H04L25/062—Setting decision thresholds using feedforward techniques only
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- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/347,020 US6370205B1 (en) | 1999-07-02 | 1999-07-02 | Method and apparatus for performing DC-offset compensation in a radio receiver |
US09/347020 | 1999-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1372743A true CN1372743A (zh) | 2002-10-02 |
Family
ID=23361997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN00812387.XA Pending CN1372743A (zh) | 1999-07-02 | 2000-06-21 | 一种用于实施无线电接收机中dc偏移补偿的方法和设备 |
Country Status (9)
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1871827B (zh) * | 2003-10-20 | 2010-04-28 | 联发科技股份有限公司 | 接收器dc偏差校正改进方法、系统、通信系统及集成电路 |
CN1714549B (zh) * | 2002-11-20 | 2010-05-26 | 艾利森电话股份有限公司 | 使用信道估计进行dc偏移补偿的方法和对应设备 |
CN104904172A (zh) * | 2013-01-03 | 2015-09-09 | 华为技术有限公司 | 估算和去除dc偏移的方法 |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPP261898A0 (en) * | 1998-03-27 | 1998-04-23 | Victoria University Of Technology | Dc offset and im2 removal in direct conversion receivers |
SE9900289D0 (sv) * | 1999-01-27 | 1999-01-27 | Ericsson Telefon Ab L M | DC estimate method for a homodyne receiver |
US6516185B1 (en) * | 1999-05-24 | 2003-02-04 | Level One Communications, Inc. | Automatic gain control and offset correction |
US6449320B1 (en) * | 1999-07-02 | 2002-09-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Equalization with DC-offset compensation |
AU1158300A (en) * | 1999-10-27 | 2001-05-08 | Nokia Corporation | Dc offset correction in a mobile communication system |
US6985541B1 (en) | 1999-11-23 | 2006-01-10 | Micor Linear Corporation | FM demodulator for a low IF receiver |
US6987816B1 (en) * | 1999-11-23 | 2006-01-17 | Micro Linear Corporation | Iris data recovery algorithms |
US7027792B1 (en) | 1999-11-23 | 2006-04-11 | Micro Linear Corporation | Topology for a single ended input dual balanced mixer |
US7076217B1 (en) | 1999-11-23 | 2006-07-11 | Micro Linear Corporation | Integrated radio transceiver |
US6628706B1 (en) * | 1999-12-06 | 2003-09-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for transforming a channel estimate |
GB2366460A (en) * | 2000-08-24 | 2002-03-06 | Nokia Mobile Phones Ltd | DC compensation for a direct conversion radio receiver |
DE10043743A1 (de) * | 2000-09-05 | 2002-03-14 | Infineon Technologies Ag | Automatische Frequenzkorrektur für Mobilfunkempfänger |
US7512109B2 (en) * | 2000-09-29 | 2009-03-31 | Intel Corporation | Slot structure for radio communications system |
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 |
US6977978B1 (en) * | 2000-10-02 | 2005-12-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Adaptive channel filtration for communications systems |
US6748200B1 (en) | 2000-10-02 | 2004-06-08 | Mark A. Webster | Automatic gain control system and method for a ZIF architecture |
US6775340B1 (en) * | 2000-10-13 | 2004-08-10 | Ericsson Inc. | Synchronization and channel estimation with extended pilot symbols |
US6725024B1 (en) * | 2000-11-07 | 2004-04-20 | Telefonaktiebolaget Lm Ericsson (Publ) | Offset local oscillator frequency |
US6901121B1 (en) | 2001-02-20 | 2005-05-31 | Comsys Communication & Signal Processing Ltd. | Compensation of DC offset impairment in a communications receiver |
US6977977B1 (en) | 2001-02-20 | 2005-12-20 | Comsys Communication & Signal Processing Ltd. | Compensation of I/Q gain mismatch in a communications receiver |
FR2821218B1 (fr) * | 2001-02-22 | 2006-06-23 | Cit Alcatel | Dispositif de reception pour un terminal de radiocommunication mobile |
US7231000B2 (en) * | 2001-10-22 | 2007-06-12 | Broadcom Corporation | System and method for DC offset compensation and bit synchronization |
KR100436207B1 (ko) * | 2002-06-18 | 2004-06-12 | 전자부품연구원 | 채널 추정 및 디씨 옵셋 보상 방식을 이용한 홈알에프시스템 |
US7190740B2 (en) * | 2002-08-19 | 2007-03-13 | Siemens Communications, Inc. | Arrangement for dynamic DC offset compensation |
US7555079B2 (en) * | 2002-11-20 | 2009-06-30 | Telefonaktiebolaget L M Ericsson (Publ) | Method and corresponding arrangement for DC offset compensation using channel estimation |
CN100517985C (zh) * | 2002-12-20 | 2009-07-22 | 株式会社瑞萨科技 | 发送电路和使用了该电路的收发机 |
TWI256220B (en) * | 2003-04-17 | 2006-06-01 | United Radiotek Inc | Digital dc bias estimation apparatus and method |
SE526872C2 (sv) * | 2003-05-26 | 2005-11-15 | Infineon Technologies Wireless | Metod och arrangemang för att avlägsna DC-offset från datasymboler |
JP2004362065A (ja) * | 2003-06-02 | 2004-12-24 | Denso Corp | 地図情報検索装置、地図情報検索方法、及び地図情報検索プログラム |
US6998908B1 (en) * | 2003-06-10 | 2006-02-14 | Rockwell Collins, Inc. | Adaptive interference cancellation receiving system using synthesizer phase accumulation |
US7330320B1 (en) * | 2003-06-16 | 2008-02-12 | Marvell International Ltd. | Method and apparatus to limit DC-level in coded data |
US7623596B2 (en) * | 2003-06-27 | 2009-11-24 | Ericsson, Inc. | Methods and systems for estimating a channel response by applying bias to an initial channel estimate |
SE0302156D0 (sv) * | 2003-08-01 | 2003-08-01 | Infineon Technologies Ag | Low-latency DC compensation |
US7583765B2 (en) * | 2005-04-26 | 2009-09-01 | Skyworks Solutions, Inc. | DC offset detection and cancellation in a receiver |
WO2007003979A1 (en) * | 2005-07-01 | 2007-01-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and arrangement for estimating dc offset |
US20070030095A1 (en) * | 2005-08-05 | 2007-02-08 | Mitsutaka Hikita | Antenna duplexer and wireless terminal using the same |
US7622987B1 (en) | 2007-01-25 | 2009-11-24 | Pmc-Sierra, Inc. | Pattern-based DC offset correction |
JP2008300958A (ja) * | 2007-05-29 | 2008-12-11 | Panasonic Corp | 動的dcオフセット除去装置及び動的dcオフセット除去方法 |
US20090122928A1 (en) * | 2007-11-13 | 2009-05-14 | Horizon Semiconductors Ltd. | Apparatus and method for frequency estimation in the presence of narrowband gaussian noise |
GB0803710D0 (en) * | 2008-02-28 | 2008-04-09 | Nokia Corp | DC compensation |
US8055234B2 (en) * | 2008-06-27 | 2011-11-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatus for suppressing strong-signal interference in low-IF receivers |
US8855580B2 (en) * | 2008-06-27 | 2014-10-07 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for reducing own-transmitter interference in low-IF and zero-IF receivers |
US7995973B2 (en) * | 2008-12-19 | 2011-08-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Own transmitter interference tolerant transceiver and receiving methods |
US8027651B2 (en) * | 2008-12-05 | 2011-09-27 | Motorola Solutions, Inc. | Method and apparatus for removing DC offset in a direct conversion receiver |
US8090320B2 (en) * | 2008-12-19 | 2012-01-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Strong signal tolerant OFDM receiver and receiving methods |
CN101938283B (zh) * | 2009-06-29 | 2013-09-04 | 国基电子(上海)有限公司 | 多载波干扰消除电路及使用其的信号收发系统 |
US8565351B2 (en) * | 2011-04-28 | 2013-10-22 | Mediatek Singapore Pte. Ltd. | Channel impulse response (CIR)/DC offset (DCO) joint estimation block and method |
US8942316B2 (en) | 2013-03-15 | 2015-01-27 | Samsung Electronics Co., Ltd. | Wireless communication system with signal processing mechanism and method of operation thereof |
GB201907717D0 (en) * | 2019-05-31 | 2019-07-17 | Nordic Semiconductor Asa | Apparatus and methods for dc-offset estimation |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2538963B2 (ja) | 1987-12-26 | 1996-10-02 | 株式会社東芝 | 波形等化装置 |
US4873702A (en) | 1988-10-20 | 1989-10-10 | Chiu Ran Fun | Method and apparatus for DC restoration in digital receivers |
US4887050A (en) * | 1989-03-31 | 1989-12-12 | Motorola, Inc. | Frequency control apparatus and method for a digital radio receiver |
JPH04103222A (ja) | 1990-08-22 | 1992-04-06 | Nec Home Electron Ltd | アナログ/デジタル変換装置 |
US5241702A (en) | 1990-09-06 | 1993-08-31 | Telefonaktiebolaget L M Ericsson | D.c. offset compensation in a radio receiver |
GB2267629B (en) | 1992-06-03 | 1995-10-25 | Fujitsu Ltd | Signal error reduction in receiving apparatus |
GB9211712D0 (en) | 1992-06-03 | 1992-07-15 | Fujitsu Microelectronics Ltd | Gm digital receive processing |
JP3084952B2 (ja) | 1992-09-07 | 2000-09-04 | 松下電器産業株式会社 | データ復号装置 |
US5319679A (en) | 1992-12-09 | 1994-06-07 | Datum Systems | Method and apparatus for recovering data from a radio signal |
GB2274759B (en) | 1993-02-02 | 1996-11-13 | Nokia Mobile Phones Ltd | Correction of D.C offset in received and demodulated radio signals |
JPH07297869A (ja) | 1994-04-25 | 1995-11-10 | Matsushita Electric Ind Co Ltd | 受信装置 |
US5724653A (en) * | 1994-12-20 | 1998-03-03 | Lucent Technologies Inc. | Radio receiver with DC offset correction circuit |
JPH08237317A (ja) | 1995-02-28 | 1996-09-13 | Fujitsu Ltd | 復調回路及び受信装置 |
US5748681A (en) * | 1995-10-27 | 1998-05-05 | Lucent Technologies Inc | Offset correction for a homodyne radio |
FI962140A (fi) * | 1996-05-21 | 1997-11-22 | Nokia Telecommunications Oy | Menetelmä impulssivasteen estimoimiseksi sekä vastaanotin |
JPH09331257A (ja) | 1996-06-11 | 1997-12-22 | Kokusai Electric Co Ltd | 直流オフセットキャンセル回路 |
AU711253B2 (en) * | 1996-11-13 | 1999-10-07 | Nokia Telecommunications Oy | Method, transmitter and receiver for transmitting training signals in a TDMA transmission system |
FI101919B (fi) | 1996-11-21 | 1998-09-15 | Nokia Telecommunications Oy | Menetelmä impulssivasteen laskemiseksi ja vastaanotin |
JP3652039B2 (ja) | 1996-12-04 | 2005-05-25 | 松下電器産業株式会社 | データ受信装置 |
KR100268449B1 (ko) * | 1998-06-25 | 2000-10-16 | 윤종용 | 향상된 베이스 밴드 아날로그 회로를 구비하는시스템 |
-
1999
- 1999-07-02 US US09/347,020 patent/US6370205B1/en not_active Expired - Fee Related
-
2000
- 2000-06-21 AU AU58179/00A patent/AU5817900A/en not_active Abandoned
- 2000-06-21 WO PCT/EP2000/005756 patent/WO2001003395A1/en active IP Right Grant
- 2000-06-21 DE DE60022198T patent/DE60022198D1/de not_active Expired - Lifetime
- 2000-06-21 AT AT00943857T patent/ATE303031T1/de not_active IP Right Cessation
- 2000-06-21 JP JP2001508133A patent/JP2003503960A/ja not_active Withdrawn
- 2000-06-21 EP EP00943857A patent/EP1197049B1/en not_active Expired - Lifetime
- 2000-06-21 CN CN00812387.XA patent/CN1372743A/zh active Pending
- 2000-06-27 MY MYPI20002898A patent/MY120478A/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1714549B (zh) * | 2002-11-20 | 2010-05-26 | 艾利森电话股份有限公司 | 使用信道估计进行dc偏移补偿的方法和对应设备 |
CN1871827B (zh) * | 2003-10-20 | 2010-04-28 | 联发科技股份有限公司 | 接收器dc偏差校正改进方法、系统、通信系统及集成电路 |
CN104904172A (zh) * | 2013-01-03 | 2015-09-09 | 华为技术有限公司 | 估算和去除dc偏移的方法 |
Also Published As
Publication number | Publication date |
---|---|
MY120478A (en) | 2005-10-31 |
EP1197049A1 (en) | 2002-04-17 |
US6370205B1 (en) | 2002-04-09 |
ATE303031T1 (de) | 2005-09-15 |
EP1197049B1 (en) | 2005-08-24 |
AU5817900A (en) | 2001-01-22 |
WO2001003395A1 (en) | 2001-01-11 |
DE60022198D1 (de) | 2005-09-29 |
JP2003503960A (ja) | 2003-01-28 |
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