IL138019A - Method and apparatus for downconverting signals transmitte dusing a plurality of modulation formats to a common intermediate frequency range - Google Patents

Method and apparatus for downconverting signals transmitte dusing a plurality of modulation formats to a common intermediate frequency range

Info

Publication number
IL138019A
IL138019A IL13801999A IL13801999A IL138019A IL 138019 A IL138019 A IL 138019A IL 13801999 A IL13801999 A IL 13801999A IL 13801999 A IL13801999 A IL 13801999A IL 138019 A IL138019 A IL 138019A
Authority
IL
Israel
Prior art keywords
dusing
transmitte
frequency range
intermediate frequency
common intermediate
Prior art date
Application number
IL13801999A
Other languages
English (en)
Other versions
IL138019A0 (en
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of IL138019A0 publication Critical patent/IL138019A0/xx
Publication of IL138019A publication Critical patent/IL138019A/xx

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
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
IL13801999A 1998-03-02 1999-03-02 Method and apparatus for downconverting signals transmitte dusing a plurality of modulation formats to a common intermediate frequency range IL138019A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7652098P 1998-03-02 1998-03-02
US09/259,242 US6359940B1 (en) 1998-03-02 1999-02-26 Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range
PCT/US1999/004545 WO1999045654A1 (en) 1998-03-02 1999-03-02 Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range

Publications (2)

Publication Number Publication Date
IL138019A0 IL138019A0 (en) 2001-10-31
IL138019A true IL138019A (en) 2005-11-20

Family

ID=26758203

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13801999A IL138019A (en) 1998-03-02 1999-03-02 Method and apparatus for downconverting signals transmitte dusing a plurality of modulation formats to a common intermediate frequency range

Country Status (14)

Country Link
US (1) US6359940B1 (xx)
EP (1) EP1060572B1 (xx)
JP (2) JP4354637B2 (xx)
KR (1) KR100581453B1 (xx)
CN (2) CN1158784C (xx)
AU (1) AU769051B2 (xx)
BR (1) BR9908440A (xx)
CA (1) CA2321582C (xx)
DE (1) DE69929680T2 (xx)
ES (1) ES2260904T3 (xx)
HK (2) HK1033718A1 (xx)
IL (1) IL138019A (xx)
RU (1) RU2003133453A (xx)
WO (1) WO1999045654A1 (xx)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6324159B1 (en) * 1998-05-06 2001-11-27 Sirius Communications N.V. Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction
US7130332B1 (en) * 1999-04-20 2006-10-31 Symmetricom, Inc. Pilot tracking for synchronization using correlation between digital signal and locally generated version of PN signal
EP1175734A1 (en) * 1999-05-10 2002-01-30 Sirius Communications N.V. Method and apparatus for high-speed software reconfigurable code division multiple access communication
US7372888B1 (en) * 1999-05-10 2008-05-13 Agilent Technologies Inc. Method and apparatus for software reconfigurable communication transmission/reception and navigation signal reception
US7327779B1 (en) 1999-07-23 2008-02-05 Agilent Technologies, Inc. Method and apparatus for high-speed software reconfigurable code division multiple access communication
EP1104953A1 (en) * 1999-11-30 2001-06-06 Lucent Technologies Inc. Receiving apparatus for electromagnetic signals
US6556630B1 (en) * 1999-12-29 2003-04-29 Ge Medical Systems Information Technologies Dual band telemetry system
US6853310B2 (en) * 1999-12-29 2005-02-08 Ge Medical Systems Information Technologies, Inc. Tri-mode medical telemetry antenna system
KR100659198B1 (ko) * 2000-05-17 2006-12-21 유티스타콤코리아 유한회사 이동통신시스템의 기지국시스템
US7616705B1 (en) * 2000-07-27 2009-11-10 Sirf Technology Holdings, Inc. Monolithic GPS RF front end integrated circuit
CN1236629C (zh) * 2000-08-02 2006-01-11 天工方案公司 具有gps能力的块通信收发机
JP3626399B2 (ja) 2000-08-17 2005-03-09 株式会社東芝 周波数シンセサイザ及びこれを用いたマルチバンド無線機
ATE260000T1 (de) * 2000-10-26 2004-03-15 Koninkl Philips Electronics Nv Direktumsetz-sende-empfänger
KR20030002452A (ko) 2001-06-29 2003-01-09 엘지전자 주식회사 이동통신 단말기의 3 밴드 수신주파수 회로
JP2003087023A (ja) * 2001-09-13 2003-03-20 Toshiba Corp 無線通信アンテナを内蔵した携帯型情報機器
US20030064699A1 (en) * 2001-09-28 2003-04-03 Olsen Gordon A. Down-converting multiple received radio frequency signals
IL156269A0 (en) * 2001-10-13 2004-01-04 Samsung Electronics Co Ltd Mobile communication system having multi-band antenna
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
KR100451188B1 (ko) * 2002-03-19 2004-10-02 엘지전자 주식회사 이동통신단말기의 수신장치
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
US6882245B2 (en) * 2002-06-05 2005-04-19 Rf Stream Corporation Frequency discrete LC filter bank
JP2005535161A (ja) * 2002-06-05 2005-11-17 株式会社ＲｆＳｔｒｅａｍ ベースバンド・ナイキスト・フィルタによる二次映像復調
JP2004088372A (ja) * 2002-08-27 2004-03-18 Renesas Technology Corp 受信機及びそれを用いた無線通信端末機器
US6940365B2 (en) 2003-07-18 2005-09-06 Rfstream Corporation Methods and apparatus for an improved discrete LC filter
JP4368675B2 (ja) * 2003-12-26 2009-11-18 富士通テン株式会社 通信装置
US8000675B2 (en) * 2004-04-16 2011-08-16 Sony Ericsson Mobile Communications Ab Low cost method for receiving broadcast channels with a cellular terminal
FI116002B (fi) * 2004-04-22 2005-08-31 Nokia Corp Sijainninmääritysvastaanotin
US7333053B2 (en) * 2004-04-29 2008-02-19 Novariant Inc. Signal path system and method for a ranging signal receiver
WO2006099071A2 (en) * 2005-03-11 2006-09-21 Rfstream Corporation A wideband tuning circuit
US7358795B2 (en) * 2005-03-11 2008-04-15 Rfstream Corporation MOSFET temperature compensation current source
EP1861925A2 (en) * 2005-03-11 2007-12-05 Corporation Rfstream Radio frequency inductive-capacitive filter circuit topology
US8185082B2 (en) * 2006-01-31 2012-05-22 Nxp B.V. FM radio receiver
JP2007295457A (ja) * 2006-04-27 2007-11-08 Matsushita Electric Ind Co Ltd 受信装置とこれを用いた電子機器
EP2034684B1 (en) 2006-06-23 2014-06-04 NEC Corporation Wireless communication apparatus and method for switching modulation schemes thereof
US7693544B2 (en) * 2006-06-29 2010-04-06 Intel Corporation System, method and device of receiving signals of a plurality of communication services
US7471160B2 (en) 2007-01-02 2008-12-30 International Business Machines Corporation Real-time frequency band selection circuit for use with a voltage controlled oscillator
US7675367B2 (en) 2007-10-30 2010-03-09 International Business Machines Corporation Design structure for an automated real-time frequency band selection circuit for use with a voltage controlled oscillator
US8620243B2 (en) * 2008-08-14 2013-12-31 Anite Finland Oy System and method for an intelligent radio frequency receiver
CN101572939B (zh) * 2009-05-27 2011-12-21 上海华为技术有限公司 射频模块、收发信机及收发信机切换控制的方法
US8937514B2 (en) * 2012-02-10 2015-01-20 Hittite Microwave Corporation Local oscillator (LO) driver circuit for a mixer

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475391A (en) * 1986-12-24 1995-12-12 Raytheon Company Radar receiver
JP2846118B2 (ja) * 1991-05-13 1999-01-13 オムニポイント・コーポレイション デュアルモード送信機及び受信機
JPH0543612U (ja) * 1991-11-07 1993-06-11 富士通テン株式会社 ダイレクトコンバージヨン受信方式を用いたラジオの高周波段回路
US5347546A (en) * 1992-04-28 1994-09-13 Ashtech, Inc. Method and apparatus for prefiltering a global positioning system receiver
FI102798B1 (fi) * 1992-07-28 1999-02-15 Nokia Mobile Phones Ltd Digitaalisen matkapuhelimen radiotaajuusosan piirijärjestely
DE69312221T2 (de) * 1992-11-02 1997-10-30 Matsushita Electric Ind Co Ltd Kanalwähler für digital modulierte Signale
US5392460A (en) * 1993-04-23 1995-02-21 Nokia Mobile Phones Ltd. Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation
US5745846A (en) * 1995-08-07 1998-04-28 Lucent Technologies, Inc. Channelized apparatus for equalizing carrier powers of multicarrier signal
US5602847A (en) * 1995-09-27 1997-02-11 Lucent Technologies Inc. Segregated spectrum RF downconverter for digitization systems
GB2310342A (en) 1996-02-16 1997-08-20 Northern Telecom Ltd Dual mode radio transceiver front end
FI104924B (fi) 1996-02-29 2000-04-28 Nokia Mobile Phones Ltd Lähetinvastaanotin, jossa on vaihdettava taajuusalue ja kaistanleveys
US5732330A (en) 1996-07-02 1998-03-24 Ericsson Inc. Dual band transceiver
US5794159A (en) 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
US5982819A (en) * 1996-09-23 1999-11-09 Motorola, Inc. Modulation format adaptive messaging receiver and method thereof
FI108486B (fi) * 1997-01-31 2002-01-31 Nokia Corp Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ
US6072996A (en) * 1997-03-28 2000-06-06 Intel Corporation Dual band radio receiver

Also Published As

Publication number Publication date
CN1158784C (zh) 2004-07-21
HK1068470A1 (en) 2005-04-29
EP1060572B1 (en) 2006-02-01
BR9908440A (pt) 2000-12-05
CA2321582C (en) 2009-11-17
HK1033718A1 (en) 2001-09-14
RU2003133453A (ru) 2005-04-20
AU3065699A (en) 1999-09-20
US6359940B1 (en) 2002-03-19
JP2009260978A (ja) 2009-11-05
CN100377498C (zh) 2008-03-26
DE69929680T2 (de) 2006-11-02
CN1521952A (zh) 2004-08-18
CN1292172A (zh) 2001-04-18
IL138019A0 (en) 2001-10-31
AU769051B2 (en) 2004-01-15
EP1060572A1 (en) 2000-12-20
JP2002506314A (ja) 2002-02-26
ES2260904T3 (es) 2006-11-01
JP4354637B2 (ja) 2009-10-28
DE69929680D1 (de) 2006-04-13
CA2321582A1 (en) 1999-09-10
KR100581453B1 (ko) 2006-05-23
KR20010041539A (ko) 2001-05-25
WO1999045654A1 (en) 1999-09-10

Similar Documents

Publication Publication Date Title
IL138019A (en) Method and apparatus for downconverting signals transmitte dusing a plurality of modulation formats to a common intermediate frequency range
GB2318949B (en) Method of and apparatus for communicating information signals
IL131696A0 (en) Method of and apparatus for encryptng signals for transmission
PL316673A1 (en) Method of and apparatus for transmitting and receiving encoded signals
AU4405697A (en) Method and apparatus for synchronization of time stamping
PL330732A1 (en) Apparatus for and method of transmitting data signals
AU3907795A (en) Method and apparatus for oxidative coupling of methane
PL338300A1 (en) Apparatus for and method of modulating /demodulating signals with limitation of sequential occurrence of minimum-length pulse group
EP0641131A3 (en) Method and apparatus for serial transmission and / or reception of multiplexed signals.
EP0757786A4 (en) METHOD AND APPARATUS FOR ISOLATING AND IDENTIFYING PERIODIC DOPPLER SIGNALS
EP1074103A4 (en) METHOD AND APPARATUS FOR RECEIVING A PLURALITY OF SIGNALS HAVING DIFFERENT FREQUENCY BANDWIDTHS
AU5900698A (en) Apparatus and methods for reception and transmission of information using different protocols
GB2342808B (en) Method and apparatus for fast acquisition and synchronization of transmission frames
GB2322491B (en) Method and apparatus for receiving communication signals
AU1335400A (en) Method and apparatus for switching high frequency signals
AU7998798A (en) Method and apparatus for joint synchronization of multiple receive channels
AU9113598A (en) Method and apparatus for deskewing clock signals
GB2320632B (en) Method and apparatus for transmitting and receiving signals
GB2305027B (en) Method and apparatus for coupling signals
AU3717495A (en) Apparatus and method for time dependent power spectrum analysis of physiological signals
GB2310348B (en) Method of and apparatus for transmitting signal
IL77337A (en) Apparatus and method for demodulating signals having continuous phase or frequency modulation
AU6137198A (en) Method and apparatus for line or frame-synchronous frequency hopping of video transmissions
PL330924A1 (en) Method of and apparatus for establishing a wire-type signal transmission link
GB2287862B (en) Method and apparatus for transmission of signals over a shared line

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees