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WO1998010543A3 - Method and arrangement for forming calibration signal - Google Patents

Method and arrangement for forming calibration signal

Info

Publication number
WO1998010543A3
WO1998010543A3 PCT/FI1997/000496 FI9700496W WO1998010543A3 WO 1998010543 A3 WO1998010543 A3 WO 1998010543A3 FI 9700496 W FI9700496 W FI 9700496W WO 1998010543 A3 WO1998010543 A3 WO 1998010543A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
signal
cdma
arrangement
means
calibration
Prior art date
Application number
PCT/FI1997/000496
Other languages
French (fr)
Other versions
WO1998010543A2 (en )
Inventor
Jari Pekkarinen
Original Assignee
Nokia Telecommunications Oy
Jari Pekkarinen
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

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/0082Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085Monitoring; Testing using service channels; using auxiliary channels using test signal generators

Abstract

The present invention relates to a method and an arrangement for forming a calibration signal, in which arrangement a CDMA signal is used. The arrangement comprises means (200) for placing the calibration signal in the frequency band of the CDMA signal and amplification means (300) for amplifying the CDMA signal, in which CDMA signal information is sent. The arrangement comprises means (100) for attenuating the frequency band of the CDMA signal at least at one point and means (200) for forming and placing the calibration signal in the attenuated point of the frequency band.
PCT/FI1997/000496 1996-09-02 1997-08-27 Method and arrangement for forming calibration signal WO1998010543A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI963426A FI101761B1 (en) 1996-09-02 1996-09-02 Method and arrangement for forming a calibration signal
FI963426 1996-09-02

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51227698A JP2000517501A (en) 1996-09-02 1997-08-27 Method for forming a calibration signal and constructs
EP19970937598 EP0923812A2 (en) 1996-09-02 1997-08-27 Method and arrangement for forming calibration signal

Publications (2)

Publication Number Publication Date
WO1998010543A2 true WO1998010543A2 (en) 1998-03-12
WO1998010543A3 true true WO1998010543A3 (en) 1998-04-30

Family

ID=8546579

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1997/000496 WO1998010543A3 (en) 1996-09-02 1997-08-27 Method and arrangement for forming calibration signal

Country Status (5)

Country Link
EP (1) EP0923812A2 (en)
JP (1) JP2000517501A (en)
CN (1) CN1232584A (en)
FI (1) FI101761B1 (en)
WO (1) WO1998010543A3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6430169B1 (en) * 1999-03-10 2002-08-06 Qualcomm Incorporated Spectral shaping a CDMA signal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630283A (en) * 1985-07-17 1986-12-16 Rca Corporation Fast acquisition burst mode spread spectrum communications system with pilot carrier
US5185762A (en) * 1991-05-15 1993-02-09 Scs Mobilecom, Inc. Spread spectrum microwave overlay with notch filter
EP0704986A2 (en) * 1994-09-30 1996-04-03 AT&T Corp. CDMA cellular communications with multicarrier signal processing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630283A (en) * 1985-07-17 1986-12-16 Rca Corporation Fast acquisition burst mode spread spectrum communications system with pilot carrier
US5185762A (en) * 1991-05-15 1993-02-09 Scs Mobilecom, Inc. Spread spectrum microwave overlay with notch filter
EP0704986A2 (en) * 1994-09-30 1996-04-03 AT&T Corp. CDMA cellular communications with multicarrier signal processing

Also Published As

Publication number Publication date Type
EP0923812A2 (en) 1999-06-23 application
FI963426D0 (en) grant
FI963426A0 (en) 1996-09-02 application
CN1232584A (en) 1999-10-20 application
FI963426A (en) 1998-03-03 application
FI101761B (en) 1998-08-14 application
JP2000517501A (en) 2000-12-26 application
FI101761B1 (en) 1998-08-14 grant
WO1998010543A2 (en) 1998-03-12 application

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