DE69920737D1 - Qam/vsb zweimodenempfänger - Google Patents
Qam/vsb zweimodenempfängerInfo
- Publication number
- DE69920737D1 DE69920737D1 DE69920737T DE69920737T DE69920737D1 DE 69920737 D1 DE69920737 D1 DE 69920737D1 DE 69920737 T DE69920737 T DE 69920737T DE 69920737 T DE69920737 T DE 69920737T DE 69920737 D1 DE69920737 D1 DE 69920737D1
- Authority
- DE
- Germany
- Prior art keywords
- sub
- symbol
- phase
- signals
- quadrature
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details 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
- H04B1/68—Details 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 for wholly or partially suppressing the carrier or one side band
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- 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
- H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
- H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
- H04L25/03057—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a recursive structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
- H04L27/066—Carrier recovery circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
- H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
- H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3405—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power
- H04L27/3416—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes
- H04L27/3427—Modifications of the signal space to increase the efficiency of transmission, e.g. reduction of the bit error rate, bandwidth, or average power in which the information is carried by both the individual signal points and the subset to which the individual points belong, e.g. using coset coding, lattice coding, or related schemes in which the constellation is the n - fold Cartesian product of a single underlying two-dimensional constellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3818—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers
- H04L27/3827—Demodulator circuits; Receiver circuits using coherent demodulation, i.e. using one or more nominally phase synchronous carriers in which the carrier is recovered using only the demodulated baseband signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
- H04N5/211—Ghost signal cancellation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/455—Demodulation-circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/03382—Single of vestigal sideband
-
- 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
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03375—Passband transmission
- H04L2025/0342—QAM
-
- 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
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03484—Tapped delay lines time-recursive
- H04L2025/0349—Tapped delay lines time-recursive as a feedback filter
-
- 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
- H04L2025/03439—Fixed structures
- H04L2025/03445—Time domain
- H04L2025/03471—Tapped delay lines
- H04L2025/03484—Tapped delay lines time-recursive
- H04L2025/03503—Tapped delay lines time-recursive as a combination of feedback and prediction filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0032—Correction of carrier offset at baseband and passband
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/0038—Correction of carrier offset using an equaliser
- H04L2027/0042—Correction of carrier offset using an equaliser the equaliser providing the offset correction per se
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0067—Phase error detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0083—Signalling arrangements
- H04L2027/0087—Out-of-band signals, (e.g. pilots)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/24—High-definition television systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
Applications Claiming Priority (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10693898P | 1998-11-03 | 1998-11-03 | |
US10692198P | 1998-11-03 | 1998-11-03 | |
US10692398P | 1998-11-03 | 1998-11-03 | |
US10692298P | 1998-11-03 | 1998-11-03 | |
US10703798P | 1998-11-03 | 1998-11-03 | |
US107037P | 1998-11-03 | ||
US106938P | 1998-11-03 | ||
US106923P | 1998-11-03 | ||
US106921P | 1998-11-03 | ||
US106922P | 1998-11-03 | ||
US10710398P | 1998-11-04 | 1998-11-04 | |
US107103P | 1998-11-04 | ||
PCT/US1999/026084 WO2000027066A2 (en) | 1998-11-03 | 1999-11-03 | Dual mode qam/vsb receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69920737D1 true DE69920737D1 (de) | 2004-11-04 |
DE69920737T2 DE69920737T2 (de) | 2005-10-13 |
Family
ID=27557722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69920737T Expired - Lifetime DE69920737T2 (de) | 1998-11-03 | 1999-11-03 | Qam/vsb zweimodenempfänger |
Country Status (6)
Country | Link |
---|---|
US (7) | US6493409B1 (de) |
EP (1) | EP1127424B1 (de) |
AT (1) | ATE278275T1 (de) |
AU (1) | AU1607400A (de) |
DE (1) | DE69920737T2 (de) |
WO (1) | WO2000027066A2 (de) |
Families Citing this family (160)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998010549A2 (en) * | 1996-09-02 | 1998-03-12 | Telia Ab | Improvements in, or relating to, multi-carrier transmission systems |
US6610917B2 (en) * | 1998-05-15 | 2003-08-26 | Lester F. Ludwig | Activity indication, external source, and processing loop provisions for driven vibrating-element environments |
US6775334B1 (en) * | 1998-11-03 | 2004-08-10 | Broadcom Corporation | Equalization and decision-directed loops with trellis demodulation in high definition TV |
ATE278275T1 (de) | 1998-11-03 | 2004-10-15 | Broadcom Corp | Qam/vsb zweimodenempfänger |
US6842495B1 (en) | 1998-11-03 | 2005-01-11 | Broadcom Corporation | Dual mode QAM/VSB receiver |
US6751228B1 (en) * | 1999-03-23 | 2004-06-15 | Yamaha Corporation | Packet handler of audio data by isochronous mode |
US6738429B1 (en) * | 1999-06-01 | 2004-05-18 | Harris Corporation | Decision-directed carrier frequency detector and method for QAM |
EP1061746A1 (de) * | 1999-06-14 | 2000-12-20 | Sony International (Europe) GmbH | Kanaldekoder für digitalen Rundfunkempfänger |
KR100306213B1 (ko) * | 1999-08-24 | 2001-11-01 | 윤종용 | 브이에스비/큐에이엠 공용 수신기의 브이에스비 파일럿 톤제거장치 및 방법 |
JP2001103394A (ja) * | 1999-10-01 | 2001-04-13 | Matsushita Electric Ind Co Ltd | デジタル放送受信装置 |
US7499507B2 (en) * | 1999-12-03 | 2009-03-03 | Broadcom Corporation | Synchronization module using a Viterbi slicer for a turbo decoder |
KR100348790B1 (ko) * | 1999-12-21 | 2002-08-17 | 엘지전자주식회사 | 큐에이엠 수신기 |
KR100320213B1 (ko) * | 2000-02-12 | 2002-01-10 | 구자홍 | 리얼 및 콤플렉스 겸용 채널 등화기 |
US6889351B1 (en) * | 2000-03-30 | 2005-05-03 | Koninklijke Philips Electronics, N.V. | Backward compatible multiple data stream transmission method and system for compressed domain signals |
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KR100351833B1 (ko) * | 2000-10-20 | 2002-09-11 | 엘지전자 주식회사 | 디지털 tv 수신기 |
US6862324B1 (en) * | 2000-10-23 | 2005-03-01 | The Aerospace Corporation | Data aided symbol timing system for precoded continuous phase modulated signals |
US6748040B1 (en) * | 2000-11-09 | 2004-06-08 | Time Domain Corporation | Apparatus and method for effecting synchrony in a wireless communication system |
US7072392B2 (en) * | 2000-11-13 | 2006-07-04 | Micronas Semiconductors, Inc. | Equalizer for time domain signal processing |
US20020122507A1 (en) * | 2000-12-15 | 2002-09-05 | Eidson Donald Brian | System for carrier phase tracking of multi-dimensional coded symbols |
US20020089941A1 (en) * | 2001-01-05 | 2002-07-11 | Chien-Meen Hwang | Network receiver utilizing sample management buffers |
US6839388B2 (en) | 2001-01-22 | 2005-01-04 | Koninklijke Philips Electronics N.V. | System and method for providing frequency domain synchronization for single carrier signals |
US20040201779A1 (en) * | 2001-02-02 | 2004-10-14 | Spilker James J. | Symbol clock recovery for the ATSC digital television signal |
US6940557B2 (en) | 2001-02-08 | 2005-09-06 | Micronas Semiconductors, Inc. | Adaptive interlace-to-progressive scan conversion algorithm |
US7123307B1 (en) * | 2001-02-23 | 2006-10-17 | Silicon Image, Inc. | Clock jitter limiting scheme in video transmission through multiple stages |
US20020150155A1 (en) * | 2001-02-26 | 2002-10-17 | Itzhak Florentin | Convergence speed, lowering the excess noise and power consumption of equalizers |
EP1239627B1 (de) * | 2001-03-07 | 2009-02-25 | Nippon Telegraph and Telephone Corporation | Schaltung zur Daten-und Taktrückgewinnung |
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US7184489B2 (en) * | 2001-04-27 | 2007-02-27 | The Directv Group, Inc. | Optimization technique for layered modulation |
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WO2003090439A2 (en) * | 2002-04-16 | 2003-10-30 | Thomson Licensing S.A. | Concatenated equalizer/trellis decoder architecture for an hdtv receiver |
DE10228999B4 (de) * | 2002-06-28 | 2006-12-14 | Advanced Micro Devices, Inc., Sunnyvale | Konstellationsmanipulation zur Frequenz/Phasenfehlerkorrektur |
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- 1999-11-03 AT AT99958781T patent/ATE278275T1/de not_active IP Right Cessation
- 1999-11-03 EP EP99958781A patent/EP1127424B1/de not_active Expired - Lifetime
- 1999-11-03 DE DE69920737T patent/DE69920737T2/de not_active Expired - Lifetime
- 1999-11-03 US US09/433,732 patent/US6493409B1/en not_active Expired - Fee Related
- 1999-11-03 AU AU16074/00A patent/AU1607400A/en not_active Abandoned
- 1999-11-03 US US09/433,734 patent/US6222891B1/en not_active Expired - Lifetime
- 1999-11-03 WO PCT/US1999/026084 patent/WO2000027066A2/en active IP Right Grant
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2000
- 2000-10-20 US US09/692,805 patent/US6411659B1/en not_active Expired - Lifetime
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- 2002-05-16 US US10/150,186 patent/US6771714B2/en not_active Expired - Lifetime
- 2002-11-06 US US10/288,833 patent/US6671342B2/en not_active Expired - Lifetime
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2003
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US7027528B2 (en) | 2006-04-11 |
WO2000027066A2 (en) | 2000-05-11 |
US20040258180A1 (en) | 2004-12-23 |
WO2000027066A3 (en) | 2000-11-23 |
EP1127424B1 (de) | 2004-09-29 |
US20030058967A1 (en) | 2003-03-27 |
US6771714B2 (en) | 2004-08-03 |
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