DE69908577D1 - Apparat und Methode zum Empfang und Verarbeitung eines Radiofrequenzsignals - Google Patents

Apparat und Methode zum Empfang und Verarbeitung eines Radiofrequenzsignals

Info

Publication number
DE69908577D1
DE69908577D1 DE69908577T DE69908577T DE69908577D1 DE 69908577 D1 DE69908577 D1 DE 69908577D1 DE 69908577 T DE69908577 T DE 69908577T DE 69908577 T DE69908577 T DE 69908577T DE 69908577 D1 DE69908577 D1 DE 69908577D1
Authority
DE
Germany
Prior art keywords
receiving
processing
radio frequency
frequency signal
radio
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.)
Expired - Lifetime
Application number
DE69908577T
Other languages
English (en)
Other versions
DE69908577T2 (de
Inventor
Nadim Khlat
Patrick Clement
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NXP USA Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE69908577D1 publication Critical patent/DE69908577D1/de
Application granted granted Critical
Publication of DE69908577T2 publication Critical patent/DE69908577T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B1/26—Circuits for superheterodyne 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
DE69908577T 1999-06-30 1999-06-30 Apparat und Methode zum Empfang und Verarbeitung eines Radiofrequenzsignals Expired - Lifetime DE69908577T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99401626A EP1067674B1 (de) 1999-06-30 1999-06-30 Apparat und Methode zum Empfang und Verarbeitung eines Radiofrequenzsignals

Publications (2)

Publication Number Publication Date
DE69908577D1 true DE69908577D1 (de) 2003-07-10
DE69908577T2 DE69908577T2 (de) 2003-12-11

Family

ID=8242034

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69908577T Expired - Lifetime DE69908577T2 (de) 1999-06-30 1999-06-30 Apparat und Methode zum Empfang und Verarbeitung eines Radiofrequenzsignals

Country Status (6)

Country Link
US (1) US6678340B1 (de)
EP (1) EP1067674B1 (de)
KR (1) KR100795315B1 (de)
CN (1) CN1197258C (de)
DE (1) DE69908577T2 (de)
WO (1) WO2001003285A1 (de)

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WO2002095972A1 (en) * 2001-05-25 2002-11-28 The National University Of Singapore Sigma-delta modulation code division multiple-access receiver
US6775530B2 (en) 2001-11-27 2004-08-10 Qualcomm Inc. Direct conversion of narrow-band RF signals
KR100464431B1 (ko) * 2002-09-25 2005-01-03 삼성전자주식회사 무선 통신 시스템에서 1/f 잡음을 개선한 RF신호 수신장치 및 그 방법
US6987953B2 (en) * 2003-03-31 2006-01-17 Nortel Networks Limited Digital transmitter and method
US7136430B2 (en) * 2003-03-31 2006-11-14 Nortel Networks Limited Digital receiver and method
US7277688B2 (en) * 2003-06-17 2007-10-02 Broadcom Corporation DC offset correction for very low intermediate frequency receiver
US7023267B2 (en) * 2004-02-17 2006-04-04 Prophesi Technologies, Inc. Switching power amplifier using a frequency translating delta sigma modulator
US7236901B2 (en) * 2004-05-14 2007-06-26 Bae Systems Information And Electronic Systems Integration Inc. Digital broadband frequency measurement
CN100376088C (zh) * 2004-08-16 2008-03-19 美国博通公司 数字基带接收机中处理多个信号的方法和系统
US8036625B1 (en) 2006-07-11 2011-10-11 Marvell International Ltd. Method and apparatus for mixing a signal
US7593491B1 (en) 2006-10-03 2009-09-22 Rf Micro Devices, Inc. Quadrature single-mixer multi-mode radio frequency receiver
US20080146184A1 (en) * 2006-12-19 2008-06-19 Microtune (Texas), L.P. Suppression of lo-related interference from tuners
KR100824299B1 (ko) * 2006-12-26 2008-04-23 에스케이텔레시스 주식회사 와이브로 네트워크의 디지털 인터페이스 시스템 및Ｒｏｌｌ-ｏｆｆ 특성 보상 필터 구현 방법
US8116706B1 (en) 2007-01-05 2012-02-14 Marvell International Ltd. Method and apparatus for calibrating a bandpass filter
EP2137710B1 (de) 2007-03-23 2019-10-09 Mojix, Inc. Ein verteiltes erregernetz verwendende rfid-systeme
US7446692B2 (en) * 2007-03-30 2008-11-04 Microtune (Texas), L.P. Digital radio system and method of operation
CN101303403B (zh) * 2007-06-11 2011-01-26 杭州中科微电子有限公司 多模式卫星导航接收射频前端芯片
US20090121844A1 (en) * 2007-11-08 2009-05-14 Sirit Technologies Inc. Sampling intermediate radio frequencies
EP2283474B1 (de) 2008-04-14 2016-12-14 Mojix, Inc. System und verfahren zur auffindung und verfolgung von funkfrequenzidentifikationsetiketten
CN101436869B (zh) * 2008-11-27 2012-07-04 华为技术有限公司 等效射频带陷滤波电路、射频芯片及接收机
KR101489964B1 (ko) * 2009-09-01 2015-02-06 한국전자통신연구원 수신 장치 및 수신 방법
US8300731B2 (en) * 2009-09-23 2012-10-30 Intel Corporation Methods and systems to digitally switch between frequencies and corresponding bandwidths in a transceiver
KR101510454B1 (ko) 2010-09-20 2015-04-15 한국전자통신연구원 대역통과 샘플링 수신기 및 그것의 필터 설계 및 재구성 방법
US9341721B2 (en) * 2013-03-15 2016-05-17 Qualcomm Incorporated Concurrent multi-system satellite navigation receiver with real signaling output
US9287912B2 (en) * 2013-03-15 2016-03-15 Mstar Semiconductor, Inc. Multimode receiver with complex filter
US9883337B2 (en) 2015-04-24 2018-01-30 Mijix, Inc. Location based services for RFID and sensor networks
CN105680978B (zh) * 2015-11-27 2018-03-06 中国人民解放军理工大学 用于星地混合移动通信系统的馈电链路正交多速率复用传输方法和系统
CN105591656B (zh) * 2015-12-24 2018-04-03 三维通信股份有限公司 一种收发信机的增益平坦度补偿方法
CN109061685B (zh) * 2018-08-06 2020-09-11 中国人民解放军国防科技大学 一种基于切换天线阵的卫星导航接收机抗干扰方法及系统

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US5400084A (en) * 1992-05-14 1995-03-21 Hitachi America, Ltd. Method and apparatus for NTSC signal interference cancellation using recursive digital notch filters
US5576976A (en) * 1993-09-07 1996-11-19 Rockwell International Corporation Amplitude detection and automatic gain control of a sparsely sampled sinusoid by adjustment of a notch filter
US5422912A (en) * 1994-06-23 1995-06-06 Grumman Aerospace Corporation Adaptive weak signal identification system
US5828955A (en) * 1995-08-30 1998-10-27 Rockwell Semiconductor Systems, Inc. Near direct conversion receiver and method for equalizing amplitude and phase therein
US5802463A (en) * 1996-08-20 1998-09-01 Advanced Micro Devices, Inc. Apparatus and method for receiving a modulated radio frequency signal by converting the radio frequency signal to a very low intermediate frequency signal
KR100413786B1 (ko) * 1997-05-29 2004-02-14 삼성전자주식회사 협대역 잡음 제거장치
KR100248658B1 (ko) * 1997-08-29 2000-03-15 전주범 복소수 변조된 신호를 위한 디지털 복소수 복조시스템
IT1297278B1 (it) * 1997-09-15 1999-08-09 Italtel Spa Radioricevitore digitale a larga banda per segnale multiportante
CN1160869C (zh) * 1997-09-25 2004-08-04 皇家菲利浦电子有限公司 一种改进的相位接收机
US6243430B1 (en) * 1998-01-09 2001-06-05 Qualcomm Incorporated Noise cancellation circuit in a quadrature downconverter
DE69838216T2 (de) * 1998-11-03 2008-02-21 Freescale Semiconductor, Inc., Austin Datenwandler

Also Published As

Publication number Publication date
CN1197258C (zh) 2005-04-13
KR20020012618A (ko) 2002-02-16
EP1067674B1 (de) 2003-06-04
KR100795315B1 (ko) 2008-01-21
EP1067674A1 (de) 2001-01-10
CN1358348A (zh) 2002-07-10
US6678340B1 (en) 2004-01-13
WO2001003285A1 (en) 2001-01-11
DE69908577T2 (de) 2003-12-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: FREESCALE SEMICONDUCTOR, INC., AUSTIN, TEX., US