DK1993252T3 - Multibærertransmission med variabel symboldel og beskyttelsesinterval - Google Patents

Multibærertransmission med variabel symboldel og beskyttelsesinterval

Info

Publication number
DK1993252T3
DK1993252T3 DK08163506T DK08163506T DK1993252T3 DK 1993252 T3 DK1993252 T3 DK 1993252T3 DK 08163506 T DK08163506 T DK 08163506T DK 08163506 T DK08163506 T DK 08163506T DK 1993252 T3 DK1993252 T3 DK 1993252T3
Authority
DK
Denmark
Prior art keywords
signal
data
data streams
frequency band
divided
Prior art date
Application number
DK08163506T
Other languages
English (en)
Inventor
Mitsuaki Oshima
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DK1993252T3 publication Critical patent/DK1993252T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/25—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM]
    • H03M13/256—Error detection or forward error correction by signal space coding, i.e. adding redundancy in the signal constellation, e.g. Trellis Coded Modulation [TCM] with trellis coding, e.g. with convolutional codes and TCM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H03M13/356—Unequal error protection [UEP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0041—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded 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
    • 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
    • H04L27/04—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
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    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/183—Multiresolution systems
    • 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
    • H04L27/2602—Signal structure
    • H04L27/2604—Multiresolution systems
    • 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
    • H04L27/3488—Multiresolution systems
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    • 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
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
    • H04N11/26—High-definition television systems involving two-channel transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/37—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability with arrangements for assigning different transmission priorities to video input data or to video coded data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • 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
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    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4347—Demultiplexing of several video streams
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440227—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
    • H04N21/64784—Data processing by the network
    • H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
    • 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
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • 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
    • H04L2027/0036—Correction of carrier offset using a recovered symbol clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
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    • H04L2027/0053—Closed loops
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    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Security & Cryptography (AREA)
  • Television Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Structure Of Transmissions (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Error Detection And Correction (AREA)
  • Transmitters (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Toys (AREA)
  • Dc Digital Transmission (AREA)
  • Pinball Game Machines (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Amplitude Modulation (AREA)
  • Mobile Radio Communication Systems (AREA)
DK08163506T 1992-09-25 1993-09-24 Multibærertransmission med variabel symboldel og beskyttelsesinterval DK1993252T3 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP25607092 1992-09-25
JP6646193 1993-03-25
JP13298493 1993-05-10
EP20040009384 EP1439678B8 (en) 1992-09-25 1993-09-24 Multicarrier transmission with variable symbol part and guard interval

Publications (1)

Publication Number Publication Date
DK1993252T3 true DK1993252T3 (da) 2010-05-17

Family

ID=27299134

Family Applications (12)

Application Number Title Priority Date Filing Date
DK00114575T DK1035695T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114577T DK1035696T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114579T DK1035698T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmissionssystem
DK00114578T DK1035697T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114576T DK1039672T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især for flerbærebølgesystemer
DK08163506T DK1993252T3 (da) 1992-09-25 1993-09-24 Multibærertransmission med variabel symboldel og beskyttelsesinterval
DK00114573T DK1035694T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmissionssystem
DK00114572T DK1035693T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114574T DK1049282T3 (da) 1992-09-25 1993-09-24 Fleropløsningsmodulation med flerbærebølgesignaler
DK02017963T DK1257104T3 (da) 1992-09-25 1993-09-24 Hierarkisk transmission med multibærebölgemodulation og fejlkorrektionskodning
DK04009385T DK1439679T3 (da) 1992-09-25 1993-09-24 Multibærebölgetransmission med variabel symboldel og variabelt beskyttelsesinterval
DK04009384T DK1439678T3 (da) 1992-09-25 1993-09-24 Multibærebölgetransmission med variabel symboldel og variabelt beskyttelsesinterval

Family Applications Before (5)

Application Number Title Priority Date Filing Date
DK00114575T DK1035695T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114577T DK1035696T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114579T DK1035698T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmissionssystem
DK00114578T DK1035697T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114576T DK1039672T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især for flerbærebølgesystemer

Family Applications After (6)

Application Number Title Priority Date Filing Date
DK00114573T DK1035694T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmissionssystem
DK00114572T DK1035693T3 (da) 1992-09-25 1993-09-24 Fleropløsningstransmission, især til flerbærebølgesystemer
DK00114574T DK1049282T3 (da) 1992-09-25 1993-09-24 Fleropløsningsmodulation med flerbærebølgesignaler
DK02017963T DK1257104T3 (da) 1992-09-25 1993-09-24 Hierarkisk transmission med multibærebölgemodulation og fejlkorrektionskodning
DK04009385T DK1439679T3 (da) 1992-09-25 1993-09-24 Multibærebölgetransmission med variabel symboldel og variabelt beskyttelsesinterval
DK04009384T DK1439678T3 (da) 1992-09-25 1993-09-24 Multibærebölgetransmission med variabel symboldel og variabelt beskyttelsesinterval

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Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728467B2 (en) 1992-03-26 2004-04-27 Matsushita Electric Industrial Co., Ltd. Communication system
US5892879A (en) 1992-03-26 1999-04-06 Matsushita Electric Industrial Co., Ltd. Communication system for plural data streams
US6724976B2 (en) 1992-03-26 2004-04-20 Matsushita Electric Industrial Co., Ltd. Communication system
USRE38513E1 (en) 1992-03-26 2004-05-11 Matsushita Electric Industrial Co., Ltd. Communication system
GB9313987D0 (en) * 1993-07-07 1993-08-18 British Broadcasting Corp Imrpovements in signal transmission systems
JP3139909B2 (ja) * 1994-03-15 2001-03-05 株式会社東芝 階層的直交周波数多重伝送方式および送受信装置
FR2721461B1 (fr) * 1994-06-16 1996-09-06 France Telecom Signal formé d'une pluralité de fréquences porteuses orthogonales organisé de façon à simplifier la réception d'un des signaux source le composant, procédé d'émission et récepteur correspondants.
US5602669A (en) * 1994-06-30 1997-02-11 Sony Corporation Digital signal transmission apparatus, digital signal transmission method, and digital signal transmitter-receiver
GB9413481D0 (en) * 1994-07-05 1994-08-24 British Broadcasting Corp Improvements to digital transmission systems
WO1996007260A1 (en) * 1994-08-31 1996-03-07 Sony Corporation Signal transmitter, signal receiver, and signal transmitting-receiving method
WO1996027962A2 (en) * 1995-03-03 1996-09-12 Philips Electronics N.V. Error protected multichannel digital data transmission system and method having graceful degration quality through multi-resolution, and transmitter station and receiver station for use in such system
JP2802255B2 (ja) * 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 直交周波数分割多重伝送方式及びそれを用いる送信装置と受信装置
GB2307152B (en) * 1995-11-10 1999-04-07 Motorola Ltd Method and apparatus for enhanced communication capability while maintaining standard channel modulation compatibility
DE19620843B4 (de) 1996-05-23 2005-08-11 Siemens Ag Verfahren zur Modulation eines Modulationsträgers und Mobil-Kommunikationssystem
US5966412A (en) * 1997-06-30 1999-10-12 Thomson Consumer Electronics, Inc. Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal
EP2154853B1 (en) 1998-01-06 2011-11-16 Mosaid Technologies Incorporated Multicarrier modulation system, with variable symbol rate
JP2000201132A (ja) 1998-11-06 2000-07-18 Matsushita Electric Ind Co Ltd 送受信装置
DE19925925B4 (de) * 1999-06-08 2007-02-22 Robert Bosch Gmbh Verfahren zur Übertragung von Funksignalen und Empfänger zum Empfang von Funksignalen
FR2805102A1 (fr) * 2000-02-16 2001-08-17 Canon Kk Procedes et dispositifs d'emission et de reception d'information, et systemes les mettant en oeuvre
JP2002044047A (ja) * 2000-07-19 2002-02-08 Mitsubishi Electric Corp 通信装置および通信方法
US7043210B2 (en) * 2001-06-05 2006-05-09 Nortel Networks Limited Adaptive coding and modulation
CN101188594B (zh) * 2001-11-28 2016-07-06 富士通株式会社 一种发射设备
EP1868337B1 (en) * 2001-11-28 2017-01-04 Fujitsu Ltd. Orthogonal frequency division multiplex transmission method
JP2004128988A (ja) * 2002-10-03 2004-04-22 Ntt Docomo Inc 通信システム、受信装置、送信装置及び通信方法
JP3899005B2 (ja) 2002-10-03 2007-03-28 株式会社エヌ・ティ・ティ・ドコモ 変調装置、変調方法、復調装置及び復調方法
GB0225313D0 (en) * 2002-10-31 2002-12-11 Roke Manor Research Variable-length guard period for multiple carrier radio systems
US7099431B2 (en) 2003-06-09 2006-08-29 Canon Kabushiki Kaisha Radiation imaging apparatus
US8494071B2 (en) 2003-12-08 2013-07-23 Kabushiki Kaisha Kenwood Device and method for correcting a data error in communication path
JP4220365B2 (ja) 2003-12-08 2009-02-04 株式会社ケンウッド 送信装置、受信装置、データ送信方法及びデータ受信方法
JP4388366B2 (ja) 2003-12-26 2009-12-24 株式会社ケンウッド 送信装置、受信装置、データ送信方法、データ受信方法及びプログラム
JP4542405B2 (ja) 2004-09-30 2010-09-15 株式会社ケンウッド ベースバンド信号生成装置、ベースバンド信号生成方法及びプログラム
US7567502B2 (en) * 2004-10-14 2009-07-28 Qualcomm Incorporated Methods and apparatus for adjusting bandwidth allocation in a wireless communications system
US7969858B2 (en) 2004-10-14 2011-06-28 Qualcomm Incorporated Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands
EP1811793B1 (en) 2004-11-10 2012-06-27 Fujitsu Ltd. Cell selecting apparatus and cell selecting method
TWI470979B (zh) * 2006-05-19 2015-01-21 Lg Electronics Inc 利用及支配無線資源以迅速及有效地進行無線通訊的方法
US8332896B2 (en) * 2007-07-05 2012-12-11 Coherent Logix, Incorporated Transmission of multimedia streams to mobile devices with cross stream association
KR100978736B1 (ko) 2008-05-01 2010-08-30 주식회사 엘 앤 에프 Ｐｄｐ 전극용 도전성 페이스트 조성물 및 이의 제조방법
US8958492B1 (en) * 2009-12-01 2015-02-17 Nec Corporation Data transmission method, data reception method, data modulation device, data demodulation device
CN105791812A (zh) * 2014-12-24 2016-07-20 北京同方吉兆科技有限公司 一种数字电视发射机宽带检波实现系统及方法
US10090846B2 (en) * 2016-04-28 2018-10-02 Renesas Electronics Corporation Control apparatus
US10778339B2 (en) 2018-09-14 2020-09-15 Viasat, Inc. Systems and methods for creating in a transmitter a stream of symbol frames configured for efficient processing in a receiver
CN116086518B (zh) * 2023-01-30 2024-09-20 山东云海国创云计算装备产业创新中心有限公司 检测多频多通道微弱信号的方法、系统、设备和存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679227A (en) * 1985-05-20 1987-07-07 Telebit Corporation Ensemble modem structure for imperfect transmission media
US4757495A (en) * 1986-03-05 1988-07-12 Telebit Corporation Speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels
JPH03505656A (ja) * 1988-02-29 1991-12-05 ゼネラル　エレクトリツク　カンパニイ 複数の信号伝送チャネルを用いた高画質ワイドスクリーン・テレビジョン・システム
FR2660131B1 (fr) * 1990-03-23 1992-06-19 France Etat Dispositif de transmissions de donnees numeriques a au moins deux niveaux de protection, et dispositif de reception correspondant.
US5164963A (en) * 1990-11-07 1992-11-17 At&T Bell Laboratories Coding for digital transmission
US5105442A (en) * 1990-11-07 1992-04-14 At&T Bell Laboratories Coded modulation with unequal error protection
US5287180A (en) * 1991-02-04 1994-02-15 General Electric Company Modulator/demodulater for compatible high definition television system
EP0506400B1 (en) * 1991-03-27 1997-12-17 Matsushita Electric Industrial Co., Ltd. Signal transmission system
SG47627A1 (en) * 1991-06-03 1998-04-17 British Telecomm Radio system
US5243629A (en) * 1991-09-03 1993-09-07 At&T Bell Laboratories Multi-subcarrier modulation for hdtv transmission
US5544328A (en) * 1991-10-31 1996-08-06 At&T Bell Laboratories Coded modulation with unequal error protection

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