WO1997007619A1 - Digital transmission system - Google Patents
Digital transmission system Download PDFInfo
- Publication number
- WO1997007619A1 WO1997007619A1 PCT/GB1996/002008 GB9602008W WO9707619A1 WO 1997007619 A1 WO1997007619 A1 WO 1997007619A1 GB 9602008 W GB9602008 W GB 9602008W WO 9707619 A1 WO9707619 A1 WO 9707619A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- samples
- bits
- transmission
- transmitter
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0004—Modulated-carrier systems using wavelets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2649—Demodulators
- H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002211215A CA2211215C (en) | 1995-08-19 | 1996-08-16 | Digital transmission system |
DE69612004T DE69612004T2 (en) | 1995-08-19 | 1996-08-16 | DIGITAL TRANSMISSION SYSTEM |
JP50906397A JP3630688B2 (en) | 1995-08-19 | 1996-08-16 | Digital transmission system |
US08/894,021 US5959967A (en) | 1995-08-19 | 1996-08-16 | Digital transmission system |
EP96927803A EP0845185B1 (en) | 1995-08-19 | 1996-08-16 | Digital transmission system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9517034.6 | 1995-08-19 | ||
GB9517034A GB2304504A (en) | 1995-08-19 | 1995-08-19 | OFDM receiver includes digital filter |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997007619A1 true WO1997007619A1 (en) | 1997-02-27 |
Family
ID=10779496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1996/002008 WO1997007619A1 (en) | 1995-08-19 | 1996-08-16 | Digital transmission system |
Country Status (7)
Country | Link |
---|---|
US (1) | US5959967A (en) |
EP (1) | EP0845185B1 (en) |
JP (1) | JP3630688B2 (en) |
CA (1) | CA2211215C (en) |
DE (1) | DE69612004T2 (en) |
GB (1) | GB2304504A (en) |
WO (1) | WO1997007619A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002063845A1 (en) * | 2001-02-07 | 2002-08-15 | The National University Of Singapore | Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system |
US7406141B1 (en) | 2000-08-21 | 2008-07-29 | Broadcom Corporation | Multi-band DMT receiver |
US7760810B2 (en) | 2003-06-18 | 2010-07-20 | Panasonic Corporation | Receiver and method for digital multi carrier transmission |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9709023D0 (en) * | 1997-05-02 | 1997-06-25 | British Broadcasting Corp | Many-carrier transmission system and a receiver therefor |
GB2326070B (en) * | 1997-05-02 | 2002-04-24 | Lsi Logic Corp | Demoulding digital video broadcast siginals |
US6353629B1 (en) * | 1997-05-12 | 2002-03-05 | Texas Instruments Incorporated | Poly-path time domain equalization |
JPH11298438A (en) * | 1998-04-13 | 1999-10-29 | Sony Corp | Transmission method and transmitter |
US6700936B1 (en) | 1998-05-05 | 2004-03-02 | British Broadcasting Corporation | Many-carrier transmission system and a receiver therefor |
US6353636B1 (en) | 1998-12-23 | 2002-03-05 | Nortel Networks Limited | Symbol alignment method |
US7027464B1 (en) * | 1999-07-30 | 2006-04-11 | Matsushita Electric Industrial Co., Ltd. | OFDM signal transmission scheme, and OFDM signal transmitter/receiver |
US6704372B2 (en) * | 2001-09-18 | 2004-03-09 | Broadlogic Network Technologies Inc. | Digital implementation of multi-channel demodulators |
JP4472692B2 (en) * | 2003-02-19 | 2010-06-02 | パナソニック株式会社 | Receiver and method for digital multicarrier transmission |
US7751509B1 (en) * | 2003-10-06 | 2010-07-06 | Purdue Research Foundation | Method for multiple-access interference suppression for MC-CDMA by frequency domain oversampling |
IL161869A (en) * | 2004-05-06 | 2014-05-28 | Serconet Ltd | System and method for carrying a wireless based signal over wiring |
US20100226448A1 (en) * | 2009-03-05 | 2010-09-09 | Paul Wilkinson Dent | Channel extrapolation from one frequency and time to another |
US8699625B2 (en) * | 2011-02-09 | 2014-04-15 | Nec Laboratories America, Inc. | Generalized OFDM (GOFDM) for ultra-high-speed serial optical transport networks |
US9571313B2 (en) * | 2014-09-12 | 2017-02-14 | Mer-Cello Wireless Solutions Ltd. | Full-optical multiwavelet orthogonal frequency divisional multiplexing (OFDM) and demultiplexing |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986007223A1 (en) * | 1985-05-20 | 1986-12-04 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
EP0656705A2 (en) * | 1993-12-01 | 1995-06-07 | Società Italiana per lo Sviluppo dell'Elettronica S.I.SV.EL. S.p.A. | Orthogonally frequency multiplexing system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2609228B1 (en) * | 1986-12-24 | 1989-12-01 | France Etat | METHOD OF DIGITAL BROADCASTING IN TELEVISION CHANNELS |
ES2159540T3 (en) * | 1993-02-08 | 2001-10-16 | Koninkl Philips Electronics Nv | RECEIVER, WITH MULTIPLEXOR OF ORTOGONAL FREQUENCY DIVISION, WITH COMPENSATION FOR DIFFERENTIAL DELAYS. |
IT1273794B (en) * | 1994-02-22 | 1997-07-10 | Italtel Spa | FREQUENCY DIVISION ORTHOGONAL MULTIPLATION SYSTEM (OFDM) FOR THE TRANSMISSION OF DATA SEQUENCES |
IT1273793B (en) * | 1994-02-22 | 1997-07-10 | Italtel Spa | ORTHOGONAL FREQUENCY DIVISION MULTIPLATION COMPOSITE SYSTEM (OFDM) FOR THE TRANSMISSION OF DATA SEQUENCES |
JP2802255B2 (en) * | 1995-09-06 | 1998-09-24 | 株式会社次世代デジタルテレビジョン放送システム研究所 | Orthogonal frequency division multiplexing transmission system and transmission device and reception device using the same |
-
1995
- 1995-08-19 GB GB9517034A patent/GB2304504A/en not_active Withdrawn
-
1996
- 1996-08-16 DE DE69612004T patent/DE69612004T2/en not_active Expired - Lifetime
- 1996-08-16 US US08/894,021 patent/US5959967A/en not_active Expired - Lifetime
- 1996-08-16 EP EP96927803A patent/EP0845185B1/en not_active Expired - Lifetime
- 1996-08-16 CA CA002211215A patent/CA2211215C/en not_active Expired - Fee Related
- 1996-08-16 WO PCT/GB1996/002008 patent/WO1997007619A1/en active IP Right Grant
- 1996-08-16 JP JP50906397A patent/JP3630688B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986007223A1 (en) * | 1985-05-20 | 1986-12-04 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
EP0656705A2 (en) * | 1993-12-01 | 1995-06-07 | Società Italiana per lo Sviluppo dell'Elettronica S.I.SV.EL. S.p.A. | Orthogonally frequency multiplexing system |
Non-Patent Citations (5)
Title |
---|
BINGHAM J A C: "MULTICARRIER MODULATION FOR DATA TRANSMISSION: AN IDEA WHOSE TIME HAS COME", IEEE COMMUNICATIONS MAGAZINE, vol. 28, no. 5, 1 May 1990 (1990-05-01), pages 5 - 8, 11 - 14, XP000132491 * |
CHOW J S ET AL: "EQUALIZER TRAINING ALGORITHMS FOR MULTICARRIER MODULATION SYSTEMS", PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), GENEVA, MAY 23 - 26, 1993, vol. 1 - 2 - 03, 23 May 1993 (1993-05-23), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 761 - 765, XP000371187 * |
DAUBECHIES I: "THE WAVELET TRANSFORM, TIME-FREQUENCY LOCALIZATION AND SIGNAL ANALYSIS", IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 36, no. 5, 1 September 1990 (1990-09-01), pages 961 - 1005, XP000141837 * |
PRASHANT P GANDHI ET AL: "WAVELETS FOR BASEBAND CODING OF WAVEFORMS", PROCEEDINGS OF THE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM), SAN FRANCISCO, NOV. 28 - DEC. 2, 1994, vol. 1 OF 3, 28 November 1994 (1994-11-28), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 363 - 367, XP000488574 * |
TZANNES M A ET AL: "DMT SYSTEMS, DWMT SYSTEMS AND DIGITAL FILTER BANKS", SERVING HUMANITY THROUGH COMMUNICATIONS. SUPERCOMM/ICC, NEW ORLEANS, MAY 1 - 5, 1994, vol. VOL. 1, no. -, 1 May 1994 (1994-05-01), INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, pages 311 - 315, XP000438931 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7406141B1 (en) | 2000-08-21 | 2008-07-29 | Broadcom Corporation | Multi-band DMT receiver |
US7583742B2 (en) | 2000-08-21 | 2009-09-01 | Broadcom Corporation | Multi-band DMT receiver |
WO2002063845A1 (en) * | 2001-02-07 | 2002-08-15 | The National University Of Singapore | Method and apparatus for reducing peak to average power ratio in a multi-carrier modulation communication system |
US7760810B2 (en) | 2003-06-18 | 2010-07-20 | Panasonic Corporation | Receiver and method for digital multi carrier transmission |
Also Published As
Publication number | Publication date |
---|---|
EP0845185B1 (en) | 2001-03-07 |
DE69612004T2 (en) | 2001-06-21 |
GB2304504A (en) | 1997-03-19 |
DE69612004D1 (en) | 2001-04-12 |
EP0845185A1 (en) | 1998-06-03 |
JPH11511308A (en) | 1999-09-28 |
JP3630688B2 (en) | 2005-03-16 |
US5959967A (en) | 1999-09-28 |
CA2211215C (en) | 2001-04-17 |
CA2211215A1 (en) | 1997-02-27 |
GB9517034D0 (en) | 1995-10-25 |
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