CN1353884A - 接收信号的方法和装置 - Google Patents
接收信号的方法和装置 Download PDFInfo
- Publication number
- CN1353884A CN1353884A CN00808162.XA CN00808162A CN1353884A CN 1353884 A CN1353884 A CN 1353884A CN 00808162 A CN00808162 A CN 00808162A CN 1353884 A CN1353884 A CN 1353884A
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- CN
- China
- Prior art keywords
- signal
- frequency
- vlif
- channel spacing
- useful
- 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.)
- Granted
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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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99401316A EP1058396B1 (en) | 1999-06-01 | 1999-06-01 | Very low IF receiver circuit and method |
EP99401316.7 | 1999-06-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1353884A true CN1353884A (zh) | 2002-06-12 |
CN1147054C CN1147054C (zh) | 2004-04-21 |
Family
ID=8241988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB00808162XA Expired - Fee Related CN1147054C (zh) | 1999-06-01 | 2000-06-01 | 接收信号的方法和装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6597748B1 (zh) |
EP (1) | EP1058396B1 (zh) |
CN (1) | CN1147054C (zh) |
AU (1) | AU4926800A (zh) |
WO (1) | WO2000074252A1 (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8060050B2 (en) | 2004-06-04 | 2011-11-15 | Broadcom Corporation | Method and system for analog and digital RF receiver interface |
CN102830408A (zh) * | 2012-09-11 | 2012-12-19 | 中国人民解放军国防科学技术大学 | 一种惯性信息辅助的卫星接收机基带信号处理方法 |
CN101809855B (zh) * | 2007-07-13 | 2014-07-23 | 快捷半导体公司 | 用于电源转换器的振荡信号频率的动态选择 |
CN108535706A (zh) * | 2017-03-06 | 2018-09-14 | 通用汽车环球科技运作有限责任公司 | 雷达i-q失配测量和校准 |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6633550B1 (en) * | 1997-02-20 | 2003-10-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio transceiver on a chip |
JP3721003B2 (ja) * | 1999-04-01 | 2005-11-30 | 沖電気工業株式会社 | トーン信号検出方法及びトーン信号検出器 |
JP4429533B2 (ja) * | 2001-01-29 | 2010-03-10 | 三星電子株式会社 | 周波数変換器 |
JP2005534203A (ja) * | 2001-10-16 | 2005-11-10 | 株式会社RfStream | モノリシック集積回路上に受信機を実施するための方法および装置 |
GB2382282B (en) * | 2001-11-19 | 2003-11-12 | Lucent Technologies Inc | A digital demodulator a telecommunications receiver and a method of digital demodulation |
US6775530B2 (en) * | 2001-11-27 | 2004-08-10 | Qualcomm Inc. | Direct conversion of narrow-band RF signals |
US7199844B2 (en) * | 2002-05-28 | 2007-04-03 | Rfstream Corporation | Quadratic nyquist slope filter |
US7116961B2 (en) * | 2002-05-29 | 2006-10-03 | Rfstream Corporation | Image rejection quadratic filter |
US20060111072A1 (en) * | 2002-05-31 | 2006-05-25 | Silicon Laboratories Inc. | Wireless communication system and method using clock swapping during image rejection calibration |
EP1514345A2 (en) * | 2002-06-05 | 2005-03-16 | Rfstream Corporation | Quadratic video demodulation with baseband nyquist filter |
US6882245B2 (en) * | 2002-06-05 | 2005-04-19 | Rf Stream Corporation | Frequency discrete LC filter bank |
US7277688B2 (en) * | 2003-06-17 | 2007-10-02 | Broadcom Corporation | DC offset correction for very low intermediate frequency receiver |
US6940365B2 (en) | 2003-07-18 | 2005-09-06 | Rfstream Corporation | Methods and apparatus for an improved discrete LC filter |
US7583946B2 (en) | 2003-09-29 | 2009-09-01 | Silicon Laboratories, Inc. | Wireless communication system and method using clock swapping during image rejection calibration |
ES2272928T3 (es) * | 2003-12-29 | 2007-05-01 | Freescale Semiconductor, Inc. | Receptor de radio con una frecuencia intermedia baja. |
US7023267B2 (en) * | 2004-02-17 | 2006-04-04 | Prophesi Technologies, Inc. | Switching power amplifier using a frequency translating delta sigma modulator |
US7180432B2 (en) * | 2004-02-27 | 2007-02-20 | Freescale Semiconductor, Inc. | Method and apparatus for complex cascade sigma-delta modulation and single-sideband analog-to-digital conversion |
US7856070B2 (en) * | 2004-08-16 | 2010-12-21 | Broadcom Corporation | Method and system for digital baseband receiver with digital RF/IF/VLIF support in GSM/GPRS/EDGE compliant handsets |
WO2006099161A2 (en) * | 2005-03-11 | 2006-09-21 | Rfstream Corporation | A mosfet temperature compensation current source |
US20060217095A1 (en) * | 2005-03-11 | 2006-09-28 | Takatsuga Kamata | Wideband tuning circuit |
US7446631B2 (en) | 2005-03-11 | 2008-11-04 | Rf Stream Corporation | Radio frequency inductive-capacitive filter circuit topology |
KR20060131312A (ko) * | 2005-06-15 | 2006-12-20 | 삼성전자주식회사 | 복소 계수 필터를 이용한 직교 위상 발진 장치 |
US7593491B1 (en) | 2006-10-03 | 2009-09-22 | Rf Micro Devices, Inc. | Quadrature single-mixer multi-mode radio frequency receiver |
US8116706B1 (en) | 2007-01-05 | 2012-02-14 | Marvell International Ltd. | Method and apparatus for calibrating a bandpass filter |
WO2008146096A1 (en) * | 2007-05-31 | 2008-12-04 | Freescale Semiconductor, Inc. | Integrated circuit, wireless communication unit and method for determining quadrature imbalance |
US8249538B2 (en) | 2008-11-24 | 2012-08-21 | Cisco Technology, Inc. | Offset direct conversion receiver |
EP2458927B1 (en) | 2010-11-30 | 2013-04-24 | Sequans Communications | Dynamic packet scheduling method, apparatus and computer program |
US20120322519A1 (en) * | 2011-06-15 | 2012-12-20 | Straeter James E | Agricultural vehicle utilizing a hard object detection assembly |
WO2013147581A1 (en) | 2012-03-30 | 2013-10-03 | Motorola Solutions, Inc. | Method and apparatus for reducing fm audio artifacts in a receiver |
CN103716089B (zh) * | 2013-12-26 | 2016-04-06 | 南京航空航天大学 | 一种射频信号光纤稳相传输方法及系统 |
CN103780312B (zh) * | 2014-01-21 | 2016-05-04 | 南京航空航天大学 | 射频信号稳相传输方法及系统 |
US10887138B2 (en) * | 2018-12-03 | 2021-01-05 | Samsung Electronics Co., Ltd | Low digital intermediate frequency (IF) image cancelling transceiver |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4944025A (en) * | 1988-08-09 | 1990-07-24 | At&E Corporation | Direct conversion FM receiver with offset |
DE4236546C1 (de) * | 1992-10-29 | 1994-05-05 | Hagenuk Telecom Gmbh | Homodynempfänger und Verfahren zur direkten Konvertierung |
CN1061489C (zh) * | 1993-06-04 | 2001-01-31 | Rca.汤姆森许可公司 | 直接变频调谐器 |
US5659891A (en) * | 1995-06-07 | 1997-08-19 | Mobile Telecommunication Technologies | Multicarrier techniques in bandlimited channels |
US5828955A (en) * | 1995-08-30 | 1998-10-27 | Rockwell Semiconductor Systems, Inc. | Near direct conversion receiver and method for equalizing amplitude and phase therein |
US5778022A (en) * | 1995-12-06 | 1998-07-07 | Rockwell International Corporation | Extended time tracking and peak energy in-window demodulation for use in a direct sequence spread spectrum system |
EP0812066A4 (en) * | 1995-12-25 | 1999-03-24 | Matsushita Electric Ind Co Ltd | HIGH-FREQUENCY DEVICE |
US5828705A (en) * | 1996-02-01 | 1998-10-27 | Kroeger; Brian W. | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio |
GB9605719D0 (en) * | 1996-03-19 | 1996-05-22 | Philips Electronics Nv | Integrated receiver |
JP3556047B2 (ja) * | 1996-05-22 | 2004-08-18 | 三菱電機株式会社 | ディジタル放送受信機 |
US6058147A (en) * | 1997-03-03 | 2000-05-02 | Telogy Networks, Inc. | Intelligent carrier acquisition method for satellite communications |
US6335952B1 (en) * | 1998-07-24 | 2002-01-01 | Gct Semiconductor, Inc. | Single chip CMOS transmitter/receiver |
AU2843200A (en) * | 1998-11-24 | 2000-06-13 | Hughes Electronics Corporation | Synchronization in mobile satellite systems using dual-chirp waveform |
US6366622B1 (en) * | 1998-12-18 | 2002-04-02 | Silicon Wave, Inc. | Apparatus and method for wireless communications |
-
1999
- 1999-06-01 EP EP99401316A patent/EP1058396B1/en not_active Expired - Lifetime
-
2000
- 2000-06-01 CN CNB00808162XA patent/CN1147054C/zh not_active Expired - Fee Related
- 2000-06-01 US US09/980,302 patent/US6597748B1/en not_active Expired - Fee Related
- 2000-06-01 WO PCT/EP2000/005147 patent/WO2000074252A1/en active Application Filing
- 2000-06-01 AU AU49268/00A patent/AU4926800A/en not_active Abandoned
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8060050B2 (en) | 2004-06-04 | 2011-11-15 | Broadcom Corporation | Method and system for analog and digital RF receiver interface |
CN1708035B (zh) * | 2004-06-04 | 2012-07-04 | 美国博通公司 | 模拟和数字射频接收器接口的基带信号处理方法和系统 |
CN101809855B (zh) * | 2007-07-13 | 2014-07-23 | 快捷半导体公司 | 用于电源转换器的振荡信号频率的动态选择 |
CN102830408A (zh) * | 2012-09-11 | 2012-12-19 | 中国人民解放军国防科学技术大学 | 一种惯性信息辅助的卫星接收机基带信号处理方法 |
CN108535706A (zh) * | 2017-03-06 | 2018-09-14 | 通用汽车环球科技运作有限责任公司 | 雷达i-q失配测量和校准 |
Also Published As
Publication number | Publication date |
---|---|
US6597748B1 (en) | 2003-07-22 |
WO2000074252A1 (en) | 2000-12-07 |
EP1058396A1 (en) | 2000-12-06 |
AU4926800A (en) | 2000-12-18 |
EP1058396B1 (en) | 2006-10-04 |
CN1147054C (zh) | 2004-04-21 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD. Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110107 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110107 Address after: Illinois State Patentee after: Motorola Mobility LLC Address before: Illinois Patentee before: Motorola Inc. |
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ASS | Succession or assignment of patent right |
Owner name: INTEL CORP . Free format text: FORMER OWNER: MOTOROLA MOBILITY LLC Effective date: 20130812 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130812 Address after: American California Patentee after: Intel Corporation Address before: Illinois State Patentee before: Motorola Mobility LLC |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040421 Termination date: 20180601 |
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CF01 | Termination of patent right due to non-payment of annual fee |