WO1998015083A3 - Signal transformation method and apparatus - Google Patents

Signal transformation method and apparatus Download PDF

Info

Publication number
WO1998015083A3
WO1998015083A3 PCT/SE1997/001585 SE9701585W WO9815083A3 WO 1998015083 A3 WO1998015083 A3 WO 1998015083A3 SE 9701585 W SE9701585 W SE 9701585W WO 9815083 A3 WO9815083 A3 WO 9815083A3
Authority
WO
WIPO (PCT)
Prior art keywords
transformation method
signal transformation
channelize
sampling
base station
Prior art date
Application number
PCT/SE1997/001585
Other languages
French (fr)
Other versions
WO1998015083A2 (en
Inventor
Svante Signell
Thorsten Schier
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
Priority to JP51642698A priority Critical patent/JP4043521B2/en
Priority to BR9712164-9A priority patent/BR9712164A/en
Priority to EP97944237A priority patent/EP0920757B1/en
Priority to DE69732969T priority patent/DE69732969T2/en
Priority to AU45778/97A priority patent/AU4577897A/en
Priority to CA002265999A priority patent/CA2265999C/en
Publication of WO1998015083A2 publication Critical patent/WO1998015083A2/en
Publication of WO1998015083A3 publication Critical patent/WO1998015083A3/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements
    • H04J1/05Frequency-transposition arrangements using digital techniques
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0202Two or more dimensional filters; Filters for complex signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/06Channels characterised by the type of signal the signals being represented by different frequencies

Abstract

A base station in a radio communication system uses complex bandpass filters (Φ1, Φ2, ..., ΦN) and down-sampling to channelize a wideband signal containing many channels or channel groups.
PCT/SE1997/001585 1996-10-02 1997-09-19 Signal transformation method and apparatus WO1998015083A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP51642698A JP4043521B2 (en) 1996-10-02 1997-09-19 Signal conversion method and signal conversion apparatus
BR9712164-9A BR9712164A (en) 1996-10-02 1997-09-19 Process and apparatus for transforming a high frequency, digital, broadband, real signal into a set of complex digital baseband signals, Process and apparatus for transforming a set of complex digital baseband signals into a high frequency signal, bandwidth wide, real digital bilinear digital ladder filter, and base station in a radio communication system.
EP97944237A EP0920757B1 (en) 1996-10-02 1997-09-19 Signal transformation method and apparatus
DE69732969T DE69732969T2 (en) 1996-10-02 1997-09-19 METHOD AND DEVICE FOR TRANSFORMING A SIGNAL
AU45778/97A AU4577897A (en) 1996-10-02 1997-09-19 Signal transformation method and apparatus
CA002265999A CA2265999C (en) 1996-10-02 1997-09-19 Signal transformation method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9603602A SE519541C2 (en) 1996-10-02 1996-10-02 Method and apparatus for transforming a real digital broadband bandpass signal into a set of digital baseband signals with I and Q components
SE9603602-5 1996-10-02

Publications (2)

Publication Number Publication Date
WO1998015083A2 WO1998015083A2 (en) 1998-04-09
WO1998015083A3 true WO1998015083A3 (en) 1998-07-16

Family

ID=20404106

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1997/001585 WO1998015083A2 (en) 1996-10-02 1997-09-19 Signal transformation method and apparatus

Country Status (11)

Country Link
US (1) US6215828B1 (en)
EP (1) EP0920757B1 (en)
JP (1) JP4043521B2 (en)
KR (1) KR100373299B1 (en)
AU (1) AU4577897A (en)
BR (1) BR9712164A (en)
CA (1) CA2265999C (en)
DE (1) DE69732969T2 (en)
SE (1) SE519541C2 (en)
TW (1) TW363311B (en)
WO (1) WO1998015083A2 (en)

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Also Published As

Publication number Publication date
KR100373299B1 (en) 2003-02-25
JP2001508249A (en) 2001-06-19
CA2265999C (en) 2005-02-01
EP0920757B1 (en) 2005-04-06
AU4577897A (en) 1998-04-24
JP4043521B2 (en) 2008-02-06
DE69732969T2 (en) 2006-02-16
EP0920757A2 (en) 1999-06-09
TW363311B (en) 1999-07-01
DE69732969D1 (en) 2005-05-12
WO1998015083A2 (en) 1998-04-09
US6215828B1 (en) 2001-04-10
KR20000048626A (en) 2000-07-25
CA2265999A1 (en) 1998-04-09
SE9603602L (en) 1998-04-03
SE519541C2 (en) 2003-03-11
BR9712164A (en) 1999-08-31
SE9603602D0 (en) 1996-10-02

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