JP2006504368A5 - - Google Patents
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- Publication number
- JP2006504368A5 JP2006504368A5 JP2005501687A JP2005501687A JP2006504368A5 JP 2006504368 A5 JP2006504368 A5 JP 2006504368A5 JP 2005501687 A JP2005501687 A JP 2005501687A JP 2005501687 A JP2005501687 A JP 2005501687A JP 2006504368 A5 JP2006504368 A5 JP 2006504368A5
- Authority
- JP
- Japan
- Prior art keywords
- offset
- digital
- phase signal
- quadrature
- intermediate frequency
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 7
- 238000012937 correction Methods 0.000 description 7
- 238000007792 addition Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 102100028950 Dual specificity protein phosphatase 13 isoform A Human genes 0.000 description 1
- 101000838551 Homo sapiens Dual specificity protein phosphatase 13 isoform A Proteins 0.000 description 1
- 101001121506 Homo sapiens Protein odd-skipped-related 2 Proteins 0.000 description 1
- 102100025660 Protein odd-skipped-related 2 Human genes 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US42122302P | 2002-10-25 | 2002-10-25 | |
| US10/454,395 US6999537B2 (en) | 2002-10-25 | 2003-06-03 | Method of removing DC offset for a ZIF-based GSM radio solution with digital frequency correlation |
| PCT/US2003/033911 WO2004038939A1 (en) | 2002-10-25 | 2003-10-27 | Method of removing dc offset for a zif-based gsm radio receiver with digital frequency offset correction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006504368A JP2006504368A (ja) | 2006-02-02 |
| JP2006504368A5 true JP2006504368A5 (enExample) | 2010-03-25 |
Family
ID=32110314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005501687A Pending JP2006504368A (ja) | 2002-10-25 | 2003-10-27 | デジタル周波数オフセット補正を備えたゼロ中間周波数ベースのｇｓｍ無線受信機のためのｄｃオフセットを除去する方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6999537B2 (enExample) |
| EP (1) | EP1554813A1 (enExample) |
| JP (1) | JP2006504368A (enExample) |
| AU (1) | AU2003284947A1 (enExample) |
| CA (1) | CA2502790A1 (enExample) |
| RU (1) | RU2359407C2 (enExample) |
| WO (1) | WO2004038939A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US7583765B2 (en) * | 2005-04-26 | 2009-09-01 | Skyworks Solutions, Inc. | DC offset detection and cancellation in a receiver |
| US8036622B2 (en) * | 2005-09-28 | 2011-10-11 | Qualcomm, Incorporated | DC offset cancellation circuit for a receiver |
| US7986929B2 (en) * | 2006-12-08 | 2011-07-26 | Silicon Laboratories Inc. | Providing channel filtering in an automatic frequency control path |
| US7622987B1 (en) | 2007-01-25 | 2009-11-24 | Pmc-Sierra, Inc. | Pattern-based DC offset correction |
| US11128501B2 (en) * | 2007-07-30 | 2021-09-21 | HuWoMobility, Inc. | Method for fast convergence calibration of radio-frequency transceivers |
| US7929651B1 (en) * | 2007-11-09 | 2011-04-19 | Xilinx, Inc. | Low phase noise recursive direct digital synthesis with automatic gain control gain stabilization |
| KR101462577B1 (ko) * | 2007-11-21 | 2014-11-19 | 삼성전자주식회사 | 광대역 무선접속 통신시스템에서 디씨 오프셋 제거 장치 및방법 |
| WO2013044513A1 (en) * | 2011-09-30 | 2013-04-04 | Motorola Solutions, Inc. | Automatic frequency control methods and apparatus |
| EP2768193B1 (en) * | 2011-11-15 | 2016-04-06 | Huawei Technologies Co., Ltd. | Method and apparatus for correcting in-phase and quadrature signals |
| US8938029B2 (en) * | 2012-08-31 | 2015-01-20 | Vixs Systems, Inc. | DC removal from multicarrier signals |
| WO2016142424A1 (en) * | 2015-03-09 | 2016-09-15 | Sony Corporation | Device and method for determining a dc component |
| CN105553545A (zh) * | 2015-12-11 | 2016-05-04 | 中国航空工业集团公司西安航空计算技术研究所 | 一种fc数据采集记录仪记录条件控制策略 |
| CN110879402B (zh) * | 2019-11-28 | 2021-11-09 | 中国科学院国家空间科学中心 | 一种gnss干涉测高中消除直流分量的系统及方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA9510509B (en) * | 1994-12-23 | 1996-05-30 | Qualcomm Inc | Dual-mode digital FM communication system |
| KR970002572A (ko) * | 1995-06-17 | 1997-01-28 | 김광호 | 데이타 저장기기의 데이타 검출방법 및 장치 |
| WO1998010523A1 (en) * | 1996-09-06 | 1998-03-12 | Philips Electronics N.V. | A zero-if receiver |
| JPH11284677A (ja) * | 1998-03-27 | 1999-10-15 | Nec Corp | 復調器とこれを用いたディジタル無線通信システム |
| US6504884B1 (en) | 1999-05-12 | 2003-01-07 | Analog Devices, Inc. | Method for correcting DC offsets in a receiver |
| DE19933266A1 (de) | 1999-07-15 | 2000-11-02 | Siemens Ag | Vorrichtung zum Empfangen von Funksignalen |
| US6868128B1 (en) * | 2000-07-05 | 2005-03-15 | Rfmd Wpan, Inc. | Method and apparatus for calibrating DC-offsets in a direct conversion receiver |
| DE60024831T2 (de) * | 2000-10-30 | 2006-08-03 | Texas Instruments Inc., Dallas | Vorrichtung zum Ausgleichen des DC-Offsets eines Quadratur-Demodulators , und Verfahren dazu |
| AU2002243523A1 (en) | 2001-01-12 | 2002-07-24 | Qualcomm Incorporated | Direct conversion digital domain control |
| US7076225B2 (en) | 2001-02-16 | 2006-07-11 | Qualcomm Incorporated | Variable gain selection in direct conversion receiver |
| JP3693963B2 (ja) * | 2002-01-30 | 2005-09-14 | 三菱電機株式会社 | デジタル復調回路 |
| US7130359B2 (en) * | 2002-03-12 | 2006-10-31 | Motorola Inc. | Self calibrating receive path correction system in a receiver |
-
2003
- 2003-06-03 US US10/454,395 patent/US6999537B2/en not_active Expired - Lifetime
- 2003-10-27 EP EP03779269A patent/EP1554813A1/en not_active Withdrawn
- 2003-10-27 RU RU2005115571/09A patent/RU2359407C2/ru not_active IP Right Cessation
- 2003-10-27 CA CA002502790A patent/CA2502790A1/en not_active Abandoned
- 2003-10-27 WO PCT/US2003/033911 patent/WO2004038939A1/en not_active Ceased
- 2003-10-27 AU AU2003284947A patent/AU2003284947A1/en not_active Abandoned
- 2003-10-27 JP JP2005501687A patent/JP2006504368A/ja active Pending
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