ATE343254T1 - Frequenzsynthesizer für sprachübertragungs- und funknetzwerks-standards - Google Patents

Frequenzsynthesizer für sprachübertragungs- und funknetzwerks-standards

Info

Publication number
ATE343254T1
ATE343254T1 AT03721991T AT03721991T ATE343254T1 AT E343254 T1 ATE343254 T1 AT E343254T1 AT 03721991 T AT03721991 T AT 03721991T AT 03721991 T AT03721991 T AT 03721991T AT E343254 T1 ATE343254 T1 AT E343254T1
Authority
AT
Austria
Prior art keywords
frequency synthesizer
waveform
wireless
radio network
voice transmission
Prior art date
Application number
AT03721991T
Other languages
English (en)
Inventor
Daniel F Filipovic
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29399259&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE343254(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE343254T1 publication Critical patent/ATE343254T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
    • 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

  • Transceivers (AREA)
  • Superheterodyne Receivers (AREA)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Machine Translation (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
AT03721991T 2002-05-01 2003-05-01 Frequenzsynthesizer für sprachübertragungs- und funknetzwerks-standards ATE343254T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/137,101 US7171182B2 (en) 2002-05-01 2002-05-01 Frequency synthesizers for supporting voice communication and wireless networking standards

Publications (1)

Publication Number Publication Date
ATE343254T1 true ATE343254T1 (de) 2006-11-15

Family

ID=29399259

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03721991T ATE343254T1 (de) 2002-05-01 2003-05-01 Frequenzsynthesizer für sprachübertragungs- und funknetzwerks-standards

Country Status (10)

Country Link
US (1) US7171182B2 (de)
EP (1) EP1500205B1 (de)
JP (1) JP4472516B2 (de)
AT (1) ATE343254T1 (de)
AU (1) AU2003225273A1 (de)
CA (1) CA2484194A1 (de)
DE (1) DE60309152T2 (de)
ES (1) ES2275089T3 (de)
RU (1) RU2348104C2 (de)
WO (1) WO2003094377A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7260369B2 (en) * 2005-08-03 2007-08-21 Kamilo Feher Location finder, tracker, communication and remote control system
US7171182B2 (en) * 2002-05-01 2007-01-30 Qualcomm Incorporated Frequency synthesizers for supporting voice communication and wireless networking standards
TW200507673A (en) * 2003-06-25 2005-02-16 Koninkl Philips Electronics Nv Transferable wireless communicator for data and voice
US7324789B2 (en) * 2005-01-20 2008-01-29 Broadcom Corporation PLL frequency synthesizer architecture for low phase noise and reference spurs
US7512205B1 (en) * 2005-03-01 2009-03-31 Network Equipment Technologies, Inc. Baud rate generation using phase lock loops
US8145155B2 (en) * 2005-09-06 2012-03-27 Mediatek, Inc. Passive mixer and high Q RF filter using a passive mixer
US7912429B2 (en) * 2005-09-06 2011-03-22 Mediatek, Inc. LO 2LO upconverter for an in-phase/quadrature-phase (I/Q) modulator
KR100714729B1 (ko) * 2005-09-13 2007-05-07 엘지전자 주식회사 전력 발생 장치와 그를 구비한 휴대 단말기 및 그의 제어방법
US8890625B2 (en) * 2013-01-03 2014-11-18 Qualcomm Incorporated Systems and methods for frequency synthesis to improve coexistence
CN103781202B (zh) * 2014-02-26 2017-10-17 华为终端有限公司 多模无线终端
US9548779B2 (en) * 2014-04-03 2017-01-17 Rafael Microelectronics, Inc. Multi-user satellite receiving system and method thereof

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4131861A (en) * 1977-12-30 1978-12-26 International Business Machines Corporation Variable frequency oscillator system including two matched oscillators controlled by a phase locked loop
US5790587A (en) 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5887020A (en) * 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5745523A (en) * 1992-10-27 1998-04-28 Ericsson Inc. Multi-mode signal processing
US5448763A (en) * 1993-11-09 1995-09-05 Motorola Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing
FI112133B (fi) * 1996-03-29 2003-10-31 Nokia Corp Menetelmä kahdella eri taajuuusalueella toimivan radioviestinjärjestelmän suoramuunnoslähetin/vastaanottimen taajuuksien muodostamiseksi ja kahdella taajuusalueella toimivan radioviestinjärjestelmänsuoramuunnoslähetin/vastaanotin sekä edellisten käyttö matkaviestimessä
JP3395529B2 (ja) * 1996-06-28 2003-04-14 三菱電機株式会社 周波数シンセサイザ
EP0945990B1 (de) 1998-03-14 2005-09-07 Siemens Aktiengesellschaft Multibandempfänger für Multibandfunksignalen und Multibandmobilfunktelefon mit einen Empfänger
DE19819213A1 (de) 1998-04-29 1999-11-11 Siemens Ag Digitales Mehrteilnehmer-Funk-Nachrichtenübertragungssystem
WO2000023956A1 (en) * 1998-10-22 2000-04-27 University Of Maryland Method and system for providing location dependent and personal identification information to a public safety answering point
US6711122B1 (en) * 1999-02-08 2004-03-23 Radiolan, Inc. Frequency offset differential pulse position modulation
CA2352398C (en) * 2000-07-06 2005-07-26 Unique Broadband Systems, Inc. Low phase noise frequency converter
US6659947B1 (en) * 2000-07-13 2003-12-09 Ge Medical Systems Information Technologies, Inc. Wireless LAN architecture for integrated time-critical and non-time-critical services within medical facilities
CN1290271C (zh) * 2000-07-14 2006-12-13 三洋电机株式会社 无线信息终端和无线通信系统以及通信方法
US20020163391A1 (en) * 2001-03-01 2002-11-07 Peterzell Paul E. Local oscillator leakage control in direct conversion processes
EP1289128B1 (de) * 2001-08-21 2010-11-10 Panasonic Corporation Vorwärtsgekoppelter Verstärker und Verfahren zum vorwärtsgekoppelten Verstärken
JP2003258662A (ja) * 2002-03-06 2003-09-12 Alps Electric Co Ltd ２周波数帯域共用コンバータユニット
US7171182B2 (en) * 2002-05-01 2007-01-30 Qualcomm Incorporated Frequency synthesizers for supporting voice communication and wireless networking standards
US6816021B2 (en) * 2002-08-27 2004-11-09 Koninklijke Philips Electronics N.V. Multiple band local oscillator frequency generation circuit

Also Published As

Publication number Publication date
EP1500205A1 (de) 2005-01-26
DE60309152D1 (de) 2006-11-30
RU2348104C2 (ru) 2009-02-27
US7171182B2 (en) 2007-01-30
RU2004135081A (ru) 2005-07-10
CA2484194A1 (en) 2003-11-13
EP1500205B1 (de) 2006-10-18
WO2003094377A1 (en) 2003-11-13
AU2003225273A1 (en) 2003-11-17
HK1073187A1 (en) 2005-09-23
JP4472516B2 (ja) 2010-06-02
ES2275089T3 (es) 2007-06-01
DE60309152T2 (de) 2007-08-30
US20040198256A1 (en) 2004-10-07
JP2005524329A (ja) 2005-08-11

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties