FI962895A0 - Anordning för att sända och mottaga RF-signal på tAnordning för att sända och mottaga RF-signal på två frekvensområden vå frekvensområden - Google Patents

Anordning för att sända och mottaga RF-signal på tAnordning för att sända och mottaga RF-signal på två frekvensområden vå frekvensområden

Info

Publication number
FI962895A0
FI962895A0 FI962895A FI962895A FI962895A0 FI 962895 A0 FI962895 A0 FI 962895A0 FI 962895 A FI962895 A FI 962895A FI 962895 A FI962895 A FI 962895A FI 962895 A0 FI962895 A0 FI 962895A0
Authority
FI
Finland
Prior art keywords
transmitting
receiving
signal
frequency range
frequency
Prior art date
Application number
FI962895A
Other languages
English (en)
Finnish (fi)
Other versions
FI962895A (sv
FI117841B (sv
Inventor
Mikko Pesola
Kari T Lehtinen
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 FI962895A priority Critical patent/FI117841B/sv
Publication of FI962895A0 publication Critical patent/FI962895A0/sv
Priority to EP97660082A priority patent/EP0820154B1/en
Priority to DE69734338T priority patent/DE69734338T2/de
Priority to US08/893,952 priority patent/US6014551A/en
Publication of FI962895A publication Critical patent/FI962895A/sv
Application granted granted Critical
Publication of FI117841B publication Critical patent/FI117841B/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
    • H04B1/38—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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • 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
    • 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
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
FI962895A 1996-07-18 1996-07-18 Anordning för att sända och mottaga RF-signal på två frekvensområden FI117841B (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI962895A FI117841B (sv) 1996-07-18 1996-07-18 Anordning för att sända och mottaga RF-signal på två frekvensområden
EP97660082A EP0820154B1 (en) 1996-07-18 1997-07-14 Arrangement for transmitting and receiving radio frequency signal at two frequency bands
DE69734338T DE69734338T2 (de) 1996-07-18 1997-07-14 Zweibandsendeempfänger
US08/893,952 US6014551A (en) 1996-07-18 1997-07-16 Arrangement for transmitting and receiving radio frequency signal at two frequency bands

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI962895A FI117841B (sv) 1996-07-18 1996-07-18 Anordning för att sända och mottaga RF-signal på två frekvensområden
FI962895 1996-07-18

Publications (3)

Publication Number Publication Date
FI962895A0 true FI962895A0 (sv) 1996-07-18
FI962895A FI962895A (sv) 1998-01-19
FI117841B FI117841B (sv) 2007-03-15

Family

ID=8546409

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962895A FI117841B (sv) 1996-07-18 1996-07-18 Anordning för att sända och mottaga RF-signal på två frekvensområden

Country Status (4)

Country Link
US (1) US6014551A (sv)
EP (1) EP0820154B1 (sv)
DE (1) DE69734338T2 (sv)
FI (1) FI117841B (sv)

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US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
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US9813270B2 (en) 1999-08-09 2017-11-07 Kamilo Feher Heart rate sensor and medical diagnostics wireless devices
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US7010559B2 (en) * 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
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US10009956B1 (en) 2017-09-02 2018-06-26 Kamilo Feher OFDM, 3G and 4G cellular multimode systems and wireless mobile networks
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Also Published As

Publication number Publication date
FI962895A (sv) 1998-01-19
US6014551A (en) 2000-01-11
EP0820154A2 (en) 1998-01-21
DE69734338T2 (de) 2006-06-22
DE69734338D1 (de) 2005-11-17
FI117841B (sv) 2007-03-15
EP0820154A3 (en) 2000-05-10
EP0820154B1 (en) 2005-10-12

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