FI960947A0 - En sändaremottagare med växelbar frekvensband och En sändaremottagare med växelbar frekvensband och bandbredd bandbredd - Google Patents

En sändaremottagare med växelbar frekvensband och En sändaremottagare med växelbar frekvensband och bandbredd bandbredd

Info

Publication number
FI960947A0
FI960947A0 FI960947A FI960947A FI960947A0 FI 960947 A0 FI960947 A0 FI 960947A0 FI 960947 A FI960947 A FI 960947A FI 960947 A FI960947 A FI 960947A FI 960947 A0 FI960947 A0 FI 960947A0
Authority
FI
Finland
Prior art keywords
bandwidth
changeable frequency
bandtransmitter
transceiver
frequency range
Prior art date
Application number
FI960947A
Other languages
English (en)
Finnish (fi)
Other versions
FI104924B (sv
FI960947A (sv
Inventor
Kari Lehtinen
Mikko Pesola
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI960947A priority Critical patent/FI104924B/sv
Publication of FI960947A0 publication Critical patent/FI960947A0/sv
Priority to EP97660008A priority patent/EP0793356A2/en
Priority to US08/806,439 priority patent/US5852603A/en
Publication of FI960947A publication Critical patent/FI960947A/sv
Application granted granted Critical
Publication of FI104924B publication Critical patent/FI104924B/sv

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
    • H04B1/005—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)
  • Transceivers (AREA)
FI960947A 1996-02-29 1996-02-29 En sändare-mottagare med växelbar frekvensband och bandbredd FI104924B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI960947A FI104924B (sv) 1996-02-29 1996-02-29 En sändare-mottagare med växelbar frekvensband och bandbredd
EP97660008A EP0793356A2 (en) 1996-02-29 1997-01-31 Transceiver with switchable frequency band and bandwidth
US08/806,439 US5852603A (en) 1996-02-29 1997-02-26 Transceiver with switchable frequency band and bandwidth

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI960947 1996-02-29
FI960947A FI104924B (sv) 1996-02-29 1996-02-29 En sändare-mottagare med växelbar frekvensband och bandbredd

Publications (3)

Publication Number Publication Date
FI960947A0 true FI960947A0 (sv) 1996-02-29
FI960947A FI960947A (sv) 1997-08-30
FI104924B FI104924B (sv) 2000-04-28

Family

ID=8545555

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960947A FI104924B (sv) 1996-02-29 1996-02-29 En sändare-mottagare med växelbar frekvensband och bandbredd

Country Status (3)

Country Link
US (1) US5852603A (sv)
EP (1) EP0793356A2 (sv)
FI (1) FI104924B (sv)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107658B (sv) * 1997-06-02 2001-09-14 Nokia Mobile Phones Ltd Biasspänningsstyrda parallela aktivkomponenter
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
JP2001508272A (ja) * 1997-11-06 2001-06-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 送受信器及び送受信器を有する電気通信システム
US6112059A (en) * 1997-11-12 2000-08-29 Motorola, Inc. Off-channel leakage power monitor apparatus and method
US6038491A (en) * 1997-11-26 2000-03-14 Mars, Incorporated Monitoring and reporting system using cellular carriers
DE19805963C2 (de) * 1998-02-13 2001-02-22 Siemens Ag Integrierbare Schaltung zur Frequenzaufbereitung eines im UHF-Bereich arbeitenden Funk-Sende-Empfängers, insbesondere eines Schnurlostelefons
US6359940B1 (en) * 1998-03-02 2002-03-19 Qualcomm Incorporated Method and apparatus for downconverting signals transmitted using a plurality of modulation formats to a common intermediate frequency range
DK0945990T3 (da) * 1998-03-14 2006-01-16 Siemens Ag Multibåndsreceiver til multibåndsradiosignaler og multibåndsmobiltelefon omfattende en receiver
US6127962A (en) * 1998-06-15 2000-10-03 Bel-Tronics Company Image rejection mixer
FI981518A (sv) 1998-07-01 2000-01-02 Nokia Mobile Phones Ltd Förfarande för datakommunikation och radiosystem
WO2000022755A1 (de) * 1998-10-12 2000-04-20 Siemens Aktiengesellschaft Verfahren zum betreiben eines mobilfunksystems und basisstationssystem
US6415158B1 (en) * 1999-02-01 2002-07-02 Lucent Technologies Inc. Dual mode mobile phone operating as a two-way radio
JP2000278166A (ja) * 1999-03-26 2000-10-06 Nec Corp ソフトウエア携帯電話機
WO2001017298A1 (en) 1999-09-02 2001-03-08 Automated Business Companies Communication and proximity authorization systems
FI19991977A (sv) 1999-09-16 2001-03-16 Nokia Networks Oy Förfarande och anordning för produsering av en signal
JP3560149B2 (ja) * 2000-09-12 2004-09-02 日本電気株式会社 携帯電話、ＧＰＳ、Ｂｌｕｅｔｏｏｔｈ一体型複合端末及びその制御方法
EP1261142B1 (en) * 2001-05-21 2008-07-09 Sony Deutschland GmbH Dual mode transceiver architecture for digital wireless communication
US6816021B2 (en) * 2002-08-27 2004-11-09 Koninklijke Philips Electronics N.V. Multiple band local oscillator frequency generation circuit
US9172404B1 (en) * 2005-02-07 2015-10-27 Rf Micro Devices, Inc. Switch architecture for TDMA and FDD multiplexing
JP2009504056A (ja) * 2005-08-01 2009-01-29 エヌエックスピー ビー ヴィ 異なる種類の受信信号用の受信機
US7477918B2 (en) * 2006-05-08 2009-01-13 Mediatek Inc. Radio frequency receiver and radio frequency transmitter
US8554155B2 (en) * 2010-01-12 2013-10-08 Thales Communications, Inc. Matching circuit for a multi-band antenna and multi-band radio incorporating the same
US9276800B2 (en) * 2011-09-14 2016-03-01 Electronics And Telecommunications Research Institute Single frequency synthesizer based FDD transceiver
FR3006131B1 (fr) 2013-05-27 2015-06-26 Commissariat Energie Atomique Dispositif de generation de signaux stables en frequence a oscillateur verrouille par injection commutable
FR3021472B1 (fr) 2014-05-20 2016-07-01 Commissariat Energie Atomique Dispositif et procede d'emission et/ou de reception de signaux dans au moins deux bandes de frequences de transmission symetriques
KR102324960B1 (ko) 2015-06-25 2021-11-12 삼성전자 주식회사 통신 장치 및 이를 포함하는 전자 장치
US20210091819A1 (en) * 2019-09-20 2021-03-25 Qualcomm Incorporated Dynamic switching of local oscillator signal frequency for up-conversion and down-conversion in time division duplex wireless communication

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291474A (en) * 1989-05-18 1994-03-01 Nokia Mobile Phones Ltd. Procedure for forming frequencies of a digital radio telephone
JP2850160B2 (ja) * 1991-01-25 1999-01-27 松下電器産業株式会社 時分割複信無線送受信装置
FI89845C (sv) * 1991-09-04 1993-11-25 Nokia Mobile Phones Ltd Koppling för alstring av sändningssignal i en radiotelefon
FI89848C (sv) * 1991-09-25 1993-11-25 Nokia Mobile Phones Ltd Generering av sändningssignalen i en mobiltelefon
FI91819C (sv) * 1991-11-05 1994-08-10 Nokia Mobile Phones Ltd Förfarande för alstring av frekvenser för två på olika frekvensområden fungerande digitala radiotelefoner
FI102798B1 (sv) * 1992-07-28 1999-02-15 Nokia Mobile Phones Ltd Kretsanordning i radiofrekvensdelen i en digital mobiltelefon
US5465409A (en) * 1994-03-07 1995-11-07 Motorola, Inc. Radio architecture with dual frequency source selection
US5754961A (en) * 1994-06-20 1998-05-19 Kabushiki Kaisha Toshiba Radio communication system including SDL having transmission rate of relatively high speed
US5745480A (en) * 1996-04-03 1998-04-28 Adicom Wireless, Inc. Multi-rate wireless communications system

Also Published As

Publication number Publication date
US5852603A (en) 1998-12-22
FI104924B (sv) 2000-04-28
EP0793356A2 (en) 1997-09-03
FI960947A (sv) 1997-08-30

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