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CO4771170A1 - Aparato en un sistema de comunicacion - Google Patents

Aparato en un sistema de comunicacion

Info

Publication number
CO4771170A1
CO4771170A1 CO98002537A CO98002537A CO4771170A1 CO 4771170 A1 CO4771170 A1 CO 4771170A1 CO 98002537 A CO98002537 A CO 98002537A CO 98002537 A CO98002537 A CO 98002537A CO 4771170 A1 CO4771170 A1 CO 4771170A1
Authority
CO
Colombia
Prior art keywords
signals
frequency band
receiver
sublink
outputs
Prior art date
Application number
CO98002537A
Other languages
English (en)
Inventor
Martin Isberg
Carlsson Torsten
Peter Jakobsson
Gustafsson Kjell
Lindquist Bjorn
Hans Hagberg
Kunkel Lars
Original Assignee
Ericsson Telefon Ab L M
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 Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CO4771170A1 publication Critical patent/CO4771170A1/es

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
    • 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
    • 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
    • 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
    • H04B1/38—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)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Un dispositivo receptor para señales de radio frecuencia(señales RF) en por lo menos una primera y una segunda banda de frecuencia (BF1, BF2,...), dichas señales en la primera banda de frecuencia siendo señales de comunicación para un cierto primer sistema de radio que tiene bajo espaciamiento de canal y las señales en la segunda banda de frecuencia siendo señales de comunicación para un cierto segundo sistema de radio que tiene un alto espaciamiento de canal, caracterizado en que comprende: a) un receptor que tiene por lo menos un primer y un segundo subenlace correspondientes a dichas primera y segunda banda de frecuencia, respectivamente, b) una unidad de adaptación para dirigir señales entrantes en la primera o segunda banda de frecuencia hacia el primer o segundo subenlace del receptor, dependiendo del sistema al cual dichas señales entrantes pertenecen, c) dicho primer subenlace del receptor comprendiendo: c1) medios de mezcla para transformación de las señales de RF en correspondientes señales de Fl y por lo menos un primer y un segundo medio de filtro cuyo ancho de banda corresponde a dicha primera banda de frecuencia (BF1); c2) un primer medio demodulador para demodulación de dichas señales de F1, que tiene un primer par de salidas para los componentes de cuadratura Ia, Iq de las señales de Fl desmoduladas en una primera banda base y d) dicho segundo subenlace comprendiendo un segundo medio demodulador para demodulación de dichas señales e RF, que tiene un segundo par de salidas para los componentes de cuadratura Id, Qd de las señales de RF desmoduladas en una segunda banda base, y e) un dispositivo para conectar dicho primer y segundo par de salidas a una salida común de un receptor.
CO98002537A 1997-01-21 1998-01-21 Aparato en un sistema de comunicacion CO4771170A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700169A SE508290C2 (sv) 1997-01-21 1997-01-21 Mottagaranordning för två frekvensband

Publications (1)

Publication Number Publication Date
CO4771170A1 true CO4771170A1 (es) 1999-04-30

Family

ID=20405483

Family Applications (1)

Application Number Title Priority Date Filing Date
CO98002537A CO4771170A1 (es) 1997-01-21 1998-01-21 Aparato en un sistema de comunicacion

Country Status (15)

Country Link
US (1) US6091963A (es)
EP (1) EP0963626B1 (es)
JP (1) JP3934162B2 (es)
KR (1) KR20000070294A (es)
CN (1) CN1115789C (es)
AR (1) AR011555A1 (es)
AU (1) AU729765B2 (es)
BR (1) BR9807287A (es)
CO (1) CO4771170A1 (es)
DE (1) DE69833184T2 (es)
EE (1) EE03502B1 (es)
MY (1) MY118134A (es)
SE (1) SE508290C2 (es)
TR (1) TR199901698T2 (es)
WO (1) WO1998032235A2 (es)

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EP1053594B1 (en) * 1998-12-08 2006-03-01 Koninklijke Philips Electronics N.V. Tunable receiver
KR100652001B1 (ko) * 1999-09-08 2006-11-30 엘지전자 주식회사 이동 단말기의 대역 필터 및 그 제어 방법
US6606485B1 (en) 1999-10-06 2003-08-12 Qualcomm, Incorporated Candidate system search and soft handoff between frequencies in a multi-carrier mobile communication system
GB0009167D0 (en) * 2000-04-14 2000-05-31 Univ Strathclyde Wireless networks
US6574459B1 (en) * 2000-04-14 2003-06-03 Lucent Technologies Inc. Multiple branch receiver system and method
KR100340684B1 (ko) * 2000-06-14 2002-06-20 윤광석 서비스 채널 간격만큼 이격된 멀티신호를 생성하기 위한장치 및 그 방법
JP4925550B2 (ja) * 2000-08-01 2012-04-25 シーメンス アクチエンゲゼルシヤフト Ｔｄｍａ送受信ユニット
US6968019B2 (en) * 2000-11-27 2005-11-22 Broadcom Corporation IF FSK receiver
AU2002316851A1 (en) * 2001-04-17 2002-10-28 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for tuning rf-filters in radio receivers
KR20030002452A (ko) * 2001-06-29 2003-01-09 엘지전자 주식회사 이동통신 단말기의 3 밴드 수신주파수 회로
US7646782B1 (en) * 2001-07-30 2010-01-12 Primrose Donald R Data link/physical layer packet buffering and flushing
KR100665386B1 (ko) * 2002-03-26 2007-01-04 도요다 지도샤 가부시끼가이샤 무선통신장치, 무선통신시스템, 무선통신방법 및 차량
EP1349289A1 (en) * 2002-03-27 2003-10-01 Agilent Technologies, Inc. (a Delaware corporation) Low cost S-UMTS extension to a T-UMTS terminal
US7194044B2 (en) * 2002-05-22 2007-03-20 Alexander Neil Birkett Up/down conversion circuitry for radio transceiver
JP4354681B2 (ja) 2002-09-13 2009-10-28 株式会社日立製作所 通信用半導体集積回路
US7203488B2 (en) * 2002-11-08 2007-04-10 Louis Luneau Flexible software radio transceiver
US20060276239A1 (en) * 2005-06-02 2006-12-07 Lam Man L Direct conversion radio station operable pursuant to a coded squelch scheme and associated method
EP1855395A1 (de) * 2006-05-08 2007-11-14 Siemens Aktiengesellschaft Verfahren zur Signalübertragung in einem Funk-Kommunikationssystem

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* Cited by examiner, † Cited by third party
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GB2106734B (en) * 1981-09-15 1986-01-15 Standard Telephones Cables Ltd Radio receiver
GB2144947B (en) * 1983-07-25 1987-02-04 Sony Corp Space diversity receivers
US5280636A (en) * 1991-06-13 1994-01-18 Hughes Aircraft Company Multi-band digital receiving apparatus and method with bandwidth reduction
US5504803A (en) * 1991-11-25 1996-04-02 Matsushita Electric Industrial Co., Ltd. Method for automatic mode selection for a dual-mode telephone handset for use in a cellular mobile telephone system and in a wireless telephone system
DE4396900C2 (de) * 1992-12-22 1999-11-04 Motorola Inc HF-Antennenschalter insbes. zum Umschalten zwischen einer ersten und zweiten Antenne
FR2707063B1 (es) * 1993-06-25 1995-09-22 Alcatel Mobile Comm France
FI941862A7 (fi) * 1994-04-21 1995-10-22 Nokia Mobile Phones Ltd Menetelmä ja radiotaajuusjärjestelmä kahden eri taajuusalueella toimivan radioviestinjärjestelmän vastaanottimen ja lähettimen taajuuksien muodostamiseksi ja kahdella eri taajuusalueella toimiva vastaanotin ja lähetin sekä edellisten käyttö matkapuhelimessa
JP2586333B2 (ja) * 1994-05-13 1997-02-26 日本電気株式会社 無線通信装置
KR0129975B1 (ko) * 1994-06-09 1998-04-11 김광호 중간 주파수 자동 선택회로
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Also Published As

Publication number Publication date
HK1025692A1 (en) 2000-11-17
DE69833184T2 (de) 2006-07-20
CN1244316A (zh) 2000-02-09
JP3934162B2 (ja) 2007-06-20
US6091963A (en) 2000-07-18
EE03502B1 (et) 2001-08-15
KR20000070294A (ko) 2000-11-25
WO1998032235A2 (en) 1998-07-23
EE9900323A (et) 2000-02-15
BR9807287A (pt) 2000-03-21
SE508290C2 (sv) 1998-09-21
DE69833184D1 (de) 2006-04-06
MY118134A (en) 2004-09-30
CN1115789C (zh) 2003-07-23
AU729765B2 (en) 2001-02-08
JP2001509994A (ja) 2001-07-24
AU5785598A (en) 1998-08-07
EP0963626A2 (en) 1999-12-15
EP0963626B1 (en) 2006-01-11
SE9700169D0 (sv) 1997-01-21
WO1998032235A3 (en) 1998-09-11
TR199901698T2 (xx) 1999-09-21
SE9700169L (sv) 1998-07-22
AR011555A1 (es) 2000-08-30

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