WO1998025383A1 - Method and apparatus for bidirectional demodulation of digitally modulated signals - Google Patents
Method and apparatus for bidirectional demodulation of digitally modulated signals Download PDFInfo
- Publication number
- WO1998025383A1 WO1998025383A1 PCT/US1997/022410 US9722410W WO9825383A1 WO 1998025383 A1 WO1998025383 A1 WO 1998025383A1 US 9722410 W US9722410 W US 9722410W WO 9825383 A1 WO9825383 A1 WO 9825383A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data symbols
- backward
- demodulating
- merit
- signal
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03535—Variable structures
- H04L2025/03547—Switching between time domain structures
- H04L2025/0356—Switching the time direction of equalisation
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52585998A JP2001506072A (en) | 1996-12-05 | 1997-12-03 | Method and apparatus for bidirectional demodulation of digitally modulated signals |
DE69735602T DE69735602T2 (en) | 1996-12-05 | 1997-12-03 | BIDIRECTIONAL WORKING METHOD AND DEVICE FOR DEMODULATING DIGITALLY MODULATED SIGNALS |
CA002274101A CA2274101A1 (en) | 1996-12-05 | 1997-12-03 | Method and apparatus for bidirectional demodulation of digitally modulated signals |
EP97951575A EP1013037B1 (en) | 1996-12-05 | 1997-12-03 | Method and apparatus for bidirectional demodulation of digitally modulated signals |
AU55184/98A AU5518498A (en) | 1996-12-05 | 1997-12-30 | Method and apparatus for bidirectional demodulation of digitally modulated signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/761,003 US5909465A (en) | 1996-12-05 | 1996-12-05 | Method and apparatus for bidirectional demodulation of digitally modulated signals |
US08/761,003 | 1996-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998025383A1 true WO1998025383A1 (en) | 1998-06-11 |
Family
ID=25060823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/022410 WO1998025383A1 (en) | 1996-12-05 | 1997-12-03 | Method and apparatus for bidirectional demodulation of digitally modulated signals |
Country Status (9)
Country | Link |
---|---|
US (1) | US5909465A (en) |
EP (1) | EP1013037B1 (en) |
JP (1) | JP2001506072A (en) |
CN (1) | CN100403745C (en) |
AU (1) | AU5518498A (en) |
CA (1) | CA2274101A1 (en) |
DE (1) | DE69735602T2 (en) |
TW (1) | TW384587B (en) |
WO (1) | WO1998025383A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002080480A1 (en) | 2001-03-28 | 2002-10-10 | Broadcom Corporation | System and method for terrestrial high-definition television reception |
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US6118758A (en) * | 1996-08-22 | 2000-09-12 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved transmitter architecture |
US6771590B1 (en) * | 1996-08-22 | 2004-08-03 | Tellabs Operations, Inc. | Communication system clock synchronization techniques |
US5790514A (en) * | 1996-08-22 | 1998-08-04 | Tellabs Operations, Inc. | Multi-point OFDM/DMT digital communications system including remote service unit with improved receiver architecture |
SE512008C2 (en) * | 1997-09-19 | 2000-01-10 | Ericsson Telefon Ab L M | Procedure and arrangement for demodulation of data symbols |
US6631175B2 (en) * | 1998-04-03 | 2003-10-07 | Tellabs Operations, Inc. | Spectrally constrained impulse shortening filter for a discrete multi-tone receiver |
US7440498B2 (en) * | 2002-12-17 | 2008-10-21 | Tellabs Operations, Inc. | Time domain equalization for discrete multi-tone systems |
DK1068704T3 (en) | 1998-04-03 | 2012-09-17 | Tellabs Operations Inc | Impulse response shortening filter, with additional spectral constraints, for multi-wave transfer |
JP2000031942A (en) * | 1998-07-14 | 2000-01-28 | Mitsubishi Electric Corp | Acoustic reproducing device and acoustic reproducing method |
US6151487A (en) * | 1999-08-31 | 2000-11-21 | Hughes Electronics Corporation | Demodulation structure for fast fading cellular channels |
US6625233B1 (en) * | 1999-09-29 | 2003-09-23 | Motorola, Inc. | Method and apparatus in a wireless receiver for demodulating a continuous-phase frequency-shift-keyed signal |
FR2802369B1 (en) * | 1999-12-10 | 2003-09-26 | Matra Nortel Communications | TIME MULTIPLEXING RADIOCOMMUNICATION METHOD, TRANSMITTER AND RECEIVER FOR IMPLEMENTING THE METHOD |
US6529868B1 (en) * | 2000-03-28 | 2003-03-04 | Tellabs Operations, Inc. | Communication system noise cancellation power signal calculation techniques |
US7006581B2 (en) * | 2000-05-25 | 2006-02-28 | Vigil Armando J | Method for demodulating a digital signal subjected to multipath propagation impairment and an associated receiver |
FR2818835B1 (en) * | 2000-12-22 | 2005-05-06 | Nortel Networks | METHOD AND DEVICE FOR SIGNAL PROCESSING IN A SPECTRUMALLY SPREADED RADIO COMMUNICATION RECEIVER |
US6990153B1 (en) * | 2001-02-06 | 2006-01-24 | Agency For Science, Technology And Research | Method and apparatus for semi-blind communication channel estimation |
US6763493B2 (en) * | 2001-09-21 | 2004-07-13 | The Directv Group, Inc. | Method and system for performing decoding using a reduced-memory implementation |
US7035359B2 (en) * | 2001-10-11 | 2006-04-25 | Telefonaktiebolaget L.M. Ericsson | Methods and apparatus for demodulation of a signal in a signal slot subject to a discontinuous interference signal |
BR0214622A (en) * | 2001-11-29 | 2004-11-23 | Interdigital Tech Corp | Efficient multi-in and multi-out system for multipath fading channels |
US7738848B2 (en) | 2003-01-14 | 2010-06-15 | Interdigital Technology Corporation | Received signal to noise indicator |
US20040235423A1 (en) * | 2003-01-14 | 2004-11-25 | Interdigital Technology Corporation | Method and apparatus for network management using perceived signal to noise and interference indicator |
US7068686B2 (en) * | 2003-05-01 | 2006-06-27 | Genesis Microchip Inc. | Method and apparatus for efficient transmission of multimedia data packets |
US7733915B2 (en) * | 2003-05-01 | 2010-06-08 | Genesis Microchip Inc. | Minimizing buffer requirements in a digital video system |
US7405719B2 (en) * | 2003-05-01 | 2008-07-29 | Genesis Microchip Inc. | Using packet transfer for driving LCD panel driver electronics |
US8059673B2 (en) * | 2003-05-01 | 2011-11-15 | Genesis Microchip Inc. | Dynamic resource re-allocation in a packet based video display interface |
US8068485B2 (en) | 2003-05-01 | 2011-11-29 | Genesis Microchip Inc. | Multimedia interface |
US7839860B2 (en) * | 2003-05-01 | 2010-11-23 | Genesis Microchip Inc. | Packet based video display interface |
US7567592B2 (en) * | 2003-05-01 | 2009-07-28 | Genesis Microchip Inc. | Packet based video display interface enumeration method |
US20040221315A1 (en) * | 2003-05-01 | 2004-11-04 | Genesis Microchip Inc. | Video interface arranged to provide pixel data independent of a link character clock |
US20040218624A1 (en) * | 2003-05-01 | 2004-11-04 | Genesis Microchip Inc. | Packet based closed loop video display interface with periodic status checks |
US20040221312A1 (en) * | 2003-05-01 | 2004-11-04 | Genesis Microchip Inc. | Techniques for reducing multimedia data packet overhead |
US8204076B2 (en) * | 2003-05-01 | 2012-06-19 | Genesis Microchip Inc. | Compact packet based multimedia interface |
US6992987B2 (en) * | 2003-05-01 | 2006-01-31 | Genesis Microchip Inc. | Enumeration method for the link clock rate and the pixel/audio clock rate |
US7424558B2 (en) * | 2003-05-01 | 2008-09-09 | Genesis Microchip Inc. | Method of adaptively connecting a video source and a video display |
US20040218599A1 (en) * | 2003-05-01 | 2004-11-04 | Genesis Microchip Inc. | Packet based video display interface and methods of use thereof |
US7088741B2 (en) * | 2003-05-01 | 2006-08-08 | Genesis Microchip Inc. | Using an auxilary channel for video monitor training |
US7620062B2 (en) * | 2003-05-01 | 2009-11-17 | Genesis Microchips Inc. | Method of real time optimizing multimedia packet transmission rate |
US7800623B2 (en) * | 2003-09-18 | 2010-09-21 | Genesis Microchip Inc. | Bypassing pixel clock generation and CRTC circuits in a graphics controller chip |
US7487273B2 (en) * | 2003-09-18 | 2009-02-03 | Genesis Microchip Inc. | Data packet based stream transport scheduler wherein transport data link does not include a clock line |
US7613300B2 (en) * | 2003-09-26 | 2009-11-03 | Genesis Microchip Inc. | Content-protected digital link over a single signal line |
US7634090B2 (en) * | 2003-09-26 | 2009-12-15 | Genesis Microchip Inc. | Packet based high definition high-bandwidth digital content protection |
US20090094658A1 (en) * | 2007-10-09 | 2009-04-09 | Genesis Microchip Inc. | Methods and systems for driving multiple displays |
US20090262667A1 (en) * | 2008-04-21 | 2009-10-22 | Stmicroelectronics, Inc. | System and method for enabling topology mapping and communication between devices in a network |
US20100183004A1 (en) * | 2009-01-16 | 2010-07-22 | Stmicroelectronics, Inc. | System and method for dual mode communication between devices in a network |
US8429440B2 (en) * | 2009-05-13 | 2013-04-23 | Stmicroelectronics, Inc. | Flat panel display driver method and system |
US8860888B2 (en) * | 2009-05-13 | 2014-10-14 | Stmicroelectronics, Inc. | Method and apparatus for power saving during video blanking periods |
US8156238B2 (en) * | 2009-05-13 | 2012-04-10 | Stmicroelectronics, Inc. | Wireless multimedia transport method and apparatus |
US8760461B2 (en) | 2009-05-13 | 2014-06-24 | Stmicroelectronics, Inc. | Device, system, and method for wide gamut color space support |
US8291207B2 (en) * | 2009-05-18 | 2012-10-16 | Stmicroelectronics, Inc. | Frequency and symbol locking using signal generated clock frequency and symbol identification |
US8582452B2 (en) | 2009-05-18 | 2013-11-12 | Stmicroelectronics, Inc. | Data link configuration by a receiver in the absence of link training data |
US8370554B2 (en) * | 2009-05-18 | 2013-02-05 | Stmicroelectronics, Inc. | Operation of video source and sink with hot plug detection not asserted |
US8468285B2 (en) * | 2009-05-18 | 2013-06-18 | Stmicroelectronics, Inc. | Operation of video source and sink with toggled hot plug detection |
US8442169B2 (en) | 2010-02-19 | 2013-05-14 | Telefonaktiebolaget L M Ericsson (Publ) | Blind SIR estimation using soft bit values |
US8671234B2 (en) | 2010-05-27 | 2014-03-11 | Stmicroelectronics, Inc. | Level shifting cable adaptor and chip system for use with dual-mode multi-media device |
KR102151813B1 (en) * | 2013-06-26 | 2020-09-03 | 삼성전자주식회사 | Method and apparatus for stable signal demodulation in communication system |
KR102497232B1 (en) * | 2018-06-18 | 2023-02-07 | 삼성전자주식회사 | Signal receiving circuit and operation method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0448069A2 (en) * | 1990-03-20 | 1991-09-25 | Mitsubishi Denki Kabushiki Kaisha | Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit |
EP0582346A1 (en) * | 1992-08-03 | 1994-02-09 | Koninklijke Philips Electronics N.V. | Transmission system with increased sampling rate detection |
EP0594551A1 (en) * | 1992-10-22 | 1994-04-27 | Ericsson Inc. | Bidirectional demodulation method and apparatus |
DE4311604C1 (en) * | 1993-04-08 | 1994-07-28 | Ant Nachrichtentech | Reliability-controlled data detection in receivers for TDMA mobile radio systems |
US5400362A (en) * | 1993-03-29 | 1995-03-21 | General Electric Company | Double sided slot traversing decoding for time division multiple access (TDMA) radio systems |
EP0648032A1 (en) * | 1993-10-11 | 1995-04-12 | Nokia Mobile Phones Ltd. | A signal quality detecting circuit and method for receivers in the GSM system |
Family Cites Families (10)
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US5182753A (en) * | 1990-03-20 | 1993-01-26 | Telefonaktiebolaget L M Ericsson | Method of transmitting signaling messages in a mobile radio communication system |
JP3172198B2 (en) * | 1991-03-01 | 2001-06-04 | 株式会社東芝 | Equalization method |
US5263026A (en) * | 1991-06-27 | 1993-11-16 | Hughes Aircraft Company | Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
US5239557A (en) * | 1992-04-10 | 1993-08-24 | Ericsson/Ge Mobile Communications | Discountinuous CDMA reception |
US5331666A (en) * | 1992-06-08 | 1994-07-19 | Ericsson Ge Mobile Communications Inc. | Adaptive maximum likelihood demodulator |
US5432821A (en) * | 1992-12-02 | 1995-07-11 | University Of Southern California | System and method for estimating data sequences in digital transmissions |
JPH07123257B2 (en) * | 1992-12-25 | 1995-12-25 | 日本電気株式会社 | Digital data demodulator |
JP2649766B2 (en) * | 1993-01-20 | 1997-09-03 | 国際電信電話株式会社 | Selective diversity reception after equalization |
US5375123A (en) * | 1993-02-05 | 1994-12-20 | Telefonakitebolaget L. M. Ericsson | Allocation of channels using interference estimation |
US5553102A (en) * | 1994-12-01 | 1996-09-03 | Motorola, Inc. | Diversity reception communication system with maximum ratio combining method |
-
1996
- 1996-12-05 US US08/761,003 patent/US5909465A/en not_active Expired - Lifetime
-
1997
- 1997-11-27 TW TW086117825A patent/TW384587B/en not_active IP Right Cessation
- 1997-12-03 CN CNB971816794A patent/CN100403745C/en not_active Expired - Fee Related
- 1997-12-03 EP EP97951575A patent/EP1013037B1/en not_active Expired - Lifetime
- 1997-12-03 WO PCT/US1997/022410 patent/WO1998025383A1/en active IP Right Grant
- 1997-12-03 JP JP52585998A patent/JP2001506072A/en not_active Ceased
- 1997-12-03 CA CA002274101A patent/CA2274101A1/en not_active Abandoned
- 1997-12-03 DE DE69735602T patent/DE69735602T2/en not_active Expired - Lifetime
- 1997-12-30 AU AU55184/98A patent/AU5518498A/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0448069A2 (en) * | 1990-03-20 | 1991-09-25 | Mitsubishi Denki Kabushiki Kaisha | Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit |
EP0582346A1 (en) * | 1992-08-03 | 1994-02-09 | Koninklijke Philips Electronics N.V. | Transmission system with increased sampling rate detection |
EP0594551A1 (en) * | 1992-10-22 | 1994-04-27 | Ericsson Inc. | Bidirectional demodulation method and apparatus |
US5400362A (en) * | 1993-03-29 | 1995-03-21 | General Electric Company | Double sided slot traversing decoding for time division multiple access (TDMA) radio systems |
DE4311604C1 (en) * | 1993-04-08 | 1994-07-28 | Ant Nachrichtentech | Reliability-controlled data detection in receivers for TDMA mobile radio systems |
EP0648032A1 (en) * | 1993-10-11 | 1995-04-12 | Nokia Mobile Phones Ltd. | A signal quality detecting circuit and method for receivers in the GSM system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002080480A1 (en) | 2001-03-28 | 2002-10-10 | Broadcom Corporation | System and method for terrestrial high-definition television reception |
EP1384361A1 (en) * | 2001-03-28 | 2004-01-28 | Broadcom Corporation | System and method for terrestrial high-definition television reception |
EP1384361A4 (en) * | 2001-03-28 | 2009-12-16 | Broadcom Corp | System and method for terrestrial high-definition television reception |
US8948240B2 (en) | 2001-03-28 | 2015-02-03 | Broadcom Corporation | System and method for terrestrial high-definition television reception |
Also Published As
Publication number | Publication date |
---|---|
DE69735602T2 (en) | 2006-11-23 |
CN1245606A (en) | 2000-02-23 |
TW384587B (en) | 2000-03-11 |
US5909465A (en) | 1999-06-01 |
CN100403745C (en) | 2008-07-16 |
EP1013037B1 (en) | 2006-03-29 |
EP1013037A1 (en) | 2000-06-28 |
JP2001506072A (en) | 2001-05-08 |
DE69735602D1 (en) | 2006-05-18 |
AU5518498A (en) | 1998-06-29 |
CA2274101A1 (en) | 1998-06-11 |
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