WO1998015083A3 - Signal transformation method and apparatus - Google Patents
Signal transformation method and apparatus Download PDFInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/05—Frequency-transposition arrangements using digital techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0202—Two or more dimensional filters; Filters for complex signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
Abstract
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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US6560301B1 (en) * | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
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JP2008527885A (en) * | 2005-01-13 | 2008-07-24 | エヌエックスピー ビー ヴィ | Low intermediate frequency receiver and sampling method thereof |
US7675982B2 (en) * | 2005-11-28 | 2010-03-09 | Mitsubishi Electric Research Laboratories, Inc. | Method and system for reducing peak-to-average power for OFDM signals |
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Citations (1)
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US4891840A (en) * | 1986-03-10 | 1990-01-02 | American Telephone And Telegraph Company, At&T Bell Laboratories | Multi-channel signal transmission |
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US5388062A (en) * | 1993-05-06 | 1995-02-07 | Thomson Consumer Electronics, Inc. | Reconfigurable programmable digital filter architecture useful in communication receiver |
US5579341A (en) * | 1994-12-29 | 1996-11-26 | Motorola, Inc. | Multi-channel digital transceiver and method |
US5787125A (en) * | 1996-05-06 | 1998-07-28 | Motorola, Inc. | Apparatus for deriving in-phase and quadrature-phase baseband signals from a communication signal |
-
1996
- 1996-10-02 SE SE9603602A patent/SE519541C2/en not_active IP Right Cessation
-
1997
- 1997-09-19 EP EP97944237A patent/EP0920757B1/en not_active Expired - Lifetime
- 1997-09-19 BR BR9712164-9A patent/BR9712164A/en not_active Application Discontinuation
- 1997-09-19 DE DE69732969T patent/DE69732969T2/en not_active Expired - Lifetime
- 1997-09-19 AU AU45778/97A patent/AU4577897A/en not_active Abandoned
- 1997-09-19 WO PCT/SE1997/001585 patent/WO1998015083A2/en active IP Right Grant
- 1997-09-19 KR KR10-1999-7002567A patent/KR100373299B1/en not_active IP Right Cessation
- 1997-09-19 CA CA002265999A patent/CA2265999C/en not_active Expired - Lifetime
- 1997-09-19 JP JP51642698A patent/JP4043521B2/en not_active Expired - Lifetime
- 1997-09-30 US US08/941,348 patent/US6215828B1/en not_active Expired - Lifetime
- 1997-10-02 TW TW086114378A patent/TW363311B/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4891840A (en) * | 1986-03-10 | 1990-01-02 | American Telephone And Telegraph Company, At&T Bell Laboratories | Multi-channel signal transmission |
Non-Patent Citations (1)
Title |
---|
DIGITAL SIGNAL PROCESSING: PRINCIPLES, ALGORITHMS AND APPLICATIONS, JOHN G. PROAKIS et al., Chapter 6.2.1, 7.2.4. * |
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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