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ES2168768T3 - Metodo y aparato para adaptarse a multiples planos de frecuencias. - Google Patents

Metodo y aparato para adaptarse a multiples planos de frecuencias.

Info

Publication number
ES2168768T3
ES2168768T3 ES98930186T ES98930186T ES2168768T3 ES 2168768 T3 ES2168768 T3 ES 2168768T3 ES 98930186 T ES98930186 T ES 98930186T ES 98930186 T ES98930186 T ES 98930186T ES 2168768 T3 ES2168768 T3 ES 2168768T3
Authority
ES
Spain
Prior art keywords
appliance
adapt
drawings
multiple frequency
different
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
ES98930186T
Other languages
English (en)
Inventor
Robert J Blaser
Thomas A Przelomiec
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of ES2168768T3 publication Critical patent/ES2168768T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
    • H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
    • 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
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division

Landscapes

  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

Una radio móvil para ser usada dentro de diferentes planos de frecuencias que funcionan con diferentes tamaños de escalón de canal de frecuencias, que comprende: un sintetizador (7) de frecuencias de bucle único para proporcionar diferentes señales de modulación de acuerdo con los diferentes tamaños de escalón de canal de frecuencias mediante la utilización de un oscilador (16) de referencia variable única; y un circuito (9) de recuperación de la portadora recibida para controlar el oscilador de referencia variable única.
ES98930186T 1997-10-20 1998-06-15 Metodo y aparato para adaptarse a multiples planos de frecuencias. Expired - Lifetime ES2168768T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/954,163 US6163710A (en) 1997-10-20 1997-10-20 Method and apparatus for compliance to multiple frequency plans

Publications (1)

Publication Number Publication Date
ES2168768T3 true ES2168768T3 (es) 2002-06-16

Family

ID=25495023

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98930186T Expired - Lifetime ES2168768T3 (es) 1997-10-20 1998-06-15 Metodo y aparato para adaptarse a multiples planos de frecuencias.

Country Status (10)

Country Link
US (1) US6163710A (es)
EP (1) EP1025642B1 (es)
JP (1) JP2001521315A (es)
KR (1) KR100395869B1 (es)
CN (1) CN1282463A (es)
AU (1) AU7964098A (es)
BR (1) BR9812968A (es)
EE (1) EE200000257A (es)
ES (1) ES2168768T3 (es)
WO (1) WO1999021276A1 (es)

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JP3848445B2 (ja) * 1997-09-26 2006-11-22 松下電器産業株式会社 複数通信方式対応の無線機
US6163710A (en) * 1997-10-20 2000-12-19 Ericsson, Inc. Method and apparatus for compliance to multiple frequency plans
FI112741B (fi) 1998-11-26 2003-12-31 Nokia Corp Menetelmä ja järjestely RF-signaalien lähettämiseksi ja vastaanottamiseksi tiedonsiirtojärjestelmien erilaisissa radiorajapinnoissa
US7003049B2 (en) * 2001-06-12 2006-02-21 Rf Micro Devices, Inc. Fractional-N digital modulation with analog IQ interface
US6779010B2 (en) 2001-06-12 2004-08-17 Rf Micro Devices, Inc. Accumulator with programmable full-scale range
US6385276B1 (en) 2001-06-12 2002-05-07 Rf Micro Devices, Inc. Dual-modulus prescaler
US6448831B1 (en) 2001-06-12 2002-09-10 Rf Micro Devices, Inc. True single-phase flip-flop
US6693468B2 (en) 2001-06-12 2004-02-17 Rf Micro Devices, Inc. Fractional-N synthesizer with improved noise performance
US7062240B2 (en) * 2003-04-22 2006-06-13 Motorola, Inc. Automatic frequency control processing in multi-channel receivers
US8401503B2 (en) * 2005-03-01 2013-03-19 Qualcomm Incorporated Dual-loop automatic frequency control for wireless communication
US8009775B2 (en) * 2005-03-11 2011-08-30 Qualcomm Incorporated Automatic frequency control for a wireless communication system with multiple subcarriers
US8145262B2 (en) 2005-05-17 2012-03-27 Pine Valley Investments, Inc. Multimode land mobile radio
US8279868B2 (en) * 2005-05-17 2012-10-02 Pine Valley Investments, Inc. System providing land mobile radio content using a cellular data network
US8194682B2 (en) * 2006-08-07 2012-06-05 Pine Valley Investments, Inc. Multiple protocol land mobile radio system
US7773962B2 (en) * 2006-09-13 2010-08-10 Intel Corporation Method and apparatus for efficiently applying frequency correction
US20080218427A1 (en) * 2007-03-09 2008-09-11 Dobosz Paul J Multiple mode RF communication system
US8406168B2 (en) 2009-03-13 2013-03-26 Harris Corporation Asymmetric broadband data radio network
ES2919776T3 (es) * 2016-04-15 2022-07-28 Mobile Tech Inc Control de autorización para un sistema de seguridad antirrobo
KR101784313B1 (ko) * 2016-04-28 2017-10-12 주식회사 케이엠더블유 무선 통신 장비의 주파수 편차 보상 장치
US11486962B2 (en) * 2018-12-18 2022-11-01 Movano Inc. Methods for operating stepped frequency radar systems with step size zoom

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US4189689A (en) * 1977-06-30 1980-02-19 Wulfsberg Electronics, Inc. Automatic leveling stabilized VHF-FM frequency synthesizer
US4355404A (en) * 1980-05-27 1982-10-19 Communications Satellite Corporation Carrier recovery network for QPSK modems employing synchronized oscillators
US4476583A (en) * 1983-02-28 1984-10-09 Rca Corporation Electronic tracking for tuners
US4713631A (en) * 1986-01-06 1987-12-15 Motorola Inc. Varactor tuning circuit having plural selectable bias voltages
US5289506A (en) * 1990-02-05 1994-02-22 Sharp Kabushiki Kaisha Automatic frequency control circuit
JPH04192702A (ja) * 1990-11-27 1992-07-10 Toshiba Corp 復調回路
US5111162A (en) * 1991-05-03 1992-05-05 Motorola, Inc. Digital frequency synthesizer having AFC and modulation applied to frequency divider
US5694414A (en) * 1991-05-13 1997-12-02 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5796772A (en) * 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5184091A (en) * 1991-06-04 1993-02-02 Zenith Electronics Corporation Circuit for phase locking an oscillator within any one of a plurality of frequency ranges
US5124671A (en) * 1991-06-04 1992-06-23 Zenith Electronics Corporation Lock detector and confidence system for multiple frequency range oscillator control
CA2071421C (en) * 1991-06-19 2000-08-08 Yoshiaki Kumagai Automatic frequency control circuit
JPH0548483A (ja) * 1991-08-12 1993-02-26 Fujitsu Ltd 周波数変換回路
US5280644A (en) * 1992-12-22 1994-01-18 Motorola, Inc. Frequency control circuit, and associated method, for a receiver operative to receive signals-transmitted thereto in intermittent bursts
JP2880376B2 (ja) * 1993-06-10 1999-04-05 三菱電機株式会社 周波数安定化装置
US5493700A (en) * 1993-10-29 1996-02-20 Motorola Automatic frequency control apparatus
FR2714552B1 (fr) * 1993-12-28 1996-01-26 Thomson Csf Synthétiseur de fréquences à boucle unique et ensemble électronique comportant un tel synthétiseur.
US5535432A (en) * 1994-09-14 1996-07-09 Ericsson Ge Mobile Communications Inc. Dual-mode satellite/cellular phone with a frequency synthesizer
KR960038686A (ko) * 1995-04-13 1996-11-21 김광호 단일 주파수에 의한 신호 송수신회로
SE504866C2 (sv) * 1995-06-01 1997-05-20 Ericsson Telefon Ab L M Anordning och förfarande för interaktivt val av kommunikationsanordning vid mobil kommunikation
US5552749A (en) * 1995-06-26 1996-09-03 Motorola, Inc. Method for automatically compensating for accuracy degradation of a reference oscillator
JP3055052B2 (ja) * 1995-06-26 2000-06-19 八重洲無線株式会社 無線通信機の周波数自動調整方式
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
FI100286B (fi) * 1996-04-01 1997-10-31 Nokia Mobile Phones Ltd Lähetin/vastaanotin RF-signaalin lähettämiseksi ja vastaanottamiseksi kahdella taajuusalueella
US5740525A (en) * 1996-05-10 1998-04-14 Motorola, Inc. Method and apparatus for temperature compensation of a reference oscillator in a communication device
US5974302A (en) * 1997-03-24 1999-10-26 Lucent Technologies Inc. Dual band cellular/PCS transceiver
US6163710A (en) * 1997-10-20 2000-12-19 Ericsson, Inc. Method and apparatus for compliance to multiple frequency plans
US5933059A (en) * 1997-10-22 1999-08-03 Ericsson Inc. Method and apparatus for controlling frequency synchronization in a radio telephone

Also Published As

Publication number Publication date
KR100395869B1 (ko) 2003-08-27
US6163710A (en) 2000-12-19
JP2001521315A (ja) 2001-11-06
KR20010031234A (ko) 2001-04-16
BR9812968A (pt) 2000-08-08
WO1999021276A1 (en) 1999-04-29
CN1282463A (zh) 2001-01-31
AU7964098A (en) 1999-05-10
EP1025642B1 (en) 2002-02-13
EP1025642A1 (en) 2000-08-09
EE200000257A (et) 2001-06-15

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