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BR9812968A - Rádio móvel, circuito de rádio móvel, e, processos para operar um radiotelefone em um plano de comunicação sem fio e para transmitir e receber comunicações sem fio em diferentes planos de frequência - Google Patents

Rádio móvel, circuito de rádio móvel, e, processos para operar um radiotelefone em um plano de comunicação sem fio e para transmitir e receber comunicações sem fio em diferentes planos de frequência

Info

Publication number
BR9812968A
BR9812968A BR9812968-6A BR9812968A BR9812968A BR 9812968 A BR9812968 A BR 9812968A BR 9812968 A BR9812968 A BR 9812968A BR 9812968 A BR9812968 A BR 9812968A
Authority
BR
Brazil
Prior art keywords
mobile radio
different frequency
plans
wireless communication
radiotelephone
Prior art date
Application number
BR9812968-6A
Other languages
English (en)
Inventor
Robert J Blaser
Thomas A Przelomiec
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
Publication of BR9812968A publication Critical patent/BR9812968A/pt

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)
  • Radio Relay Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Transmitters (AREA)

Abstract

"RáDIO MóVEL, E, PROCESSO PARA OPERAR UM RADIOTELEFONE EM MúLTIPLOS PLANOS DE COMUNICAçãO SEM FIO IMPONDO TAMANHOS DE ETAPA DE CANAL DE FREQUêNCIA RESPECTIVAMENTE DIFERENTES" Um rádio móvel para uso em múltiplos planos de frequência diferente é apresentado. Os múltiplos planos de frequência diferente, como planos baseados em terra (celular, rádio móvel terrestre etc.) e planos baseados em satélite podem empregar diferentes faixas de frequência e, dentro desta diferentes faixas, tamanhos de etapa de canal de frequência diferentes. O rádio móvel emprega apenas um único sintetizador de circuito fechado para acomodar todos os planos diferentes, incluindo todos os tamanhos de etapa de canal de frequência diferentes. Ele realiza isto pelo emprego de um circuito divisor dinamicamente programável dentro do único sintetizador de circuito fechado para macro-ajuste da frequência do oscilador local e um oscilador de referência dinamicamente ajustável dentro do único sintetizador de circuito fechado para miro-ajuste da frequência do oscilador local dependendo de um sinal de portador recuperado.
BR9812968-6A 1997-10-20 1998-06-15 Rádio móvel, circuito de rádio móvel, e, processos para operar um radiotelefone em um plano de comunicação sem fio e para transmitir e receber comunicações sem fio em diferentes planos de frequência BR9812968A (pt)

Applications Claiming Priority (2)

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
PCT/US1998/012285 WO1999021276A1 (en) 1997-10-20 1998-06-15 Method and apparatus for compliance to multiple frequency plans

Publications (1)

Publication Number Publication Date
BR9812968A true BR9812968A (pt) 2000-08-08

Family

ID=25495023

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812968-6A BR9812968A (pt) 1997-10-20 1998-06-15 Rádio móvel, circuito de rádio móvel, e, processos para operar um radiotelefone em um plano de comunicação sem fio e para transmitir e receber comunicações sem fio em diferentes planos de frequência

Country Status (10)

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

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US6448831B1 (en) 2001-06-12 2002-09-10 Rf Micro Devices, Inc. True single-phase flip-flop
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
US6693468B2 (en) 2001-06-12 2004-02-17 Rf Micro Devices, Inc. Fractional-N synthesizer with improved noise performance
US6385276B1 (en) 2001-06-12 2002-05-07 Rf Micro Devices, Inc. Dual-modulus prescaler
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
US8279868B2 (en) * 2005-05-17 2012-10-02 Pine Valley Investments, Inc. System providing land mobile radio content using a cellular data network
US8145262B2 (en) 2005-05-17 2012-03-27 Pine Valley Investments, Inc. Multimode land mobile radio
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
WO2017181137A1 (en) * 2016-04-15 2017-10-19 Mobile Tech, Inc. Authorization control for an anti-theft security system
KR101784313B1 (ko) * 2016-04-28 2017-10-12 주식회사 케이엠더블유 무선 통신 장비의 주파수 편차 보상 장치
US20200191944A1 (en) * 2018-12-18 2020-06-18 Movano Inc. Methods for operating stepped frequency radar systems with feedback based step size zoom

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Also Published As

Publication number Publication date
WO1999021276A1 (en) 1999-04-29
US6163710A (en) 2000-12-19
JP2001521315A (ja) 2001-11-06
AU7964098A (en) 1999-05-10
ES2168768T3 (es) 2002-06-16
EP1025642B1 (en) 2002-02-13
EP1025642A1 (en) 2000-08-09
CN1282463A (zh) 2001-01-31
EE200000257A (et) 2001-06-15
KR20010031234A (ko) 2001-04-16
KR100395869B1 (ko) 2003-08-27

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A E 10A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO 1976 DE 18/11/2008.