HRP20131074T1 - Uređaj za prijenos i primanje signala te postupak za prijenos i primanje signala - Google Patents

Uređaj za prijenos i primanje signala te postupak za prijenos i primanje signala Download PDF

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HRP20131074T1
HRP20131074T1 HRP20131074AT HRP20131074T HRP20131074T1 HR P20131074 T1 HRP20131074 T1 HR P20131074T1 HR P20131074A T HRP20131074A T HR P20131074AT HR P20131074 T HRP20131074 T HR P20131074T HR P20131074 T1 HRP20131074 T1 HR P20131074T1
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Woo Suk Ko
Sang Chul Moon
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Lg Electronics Inc.
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    • H—ELECTRICITY
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    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
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    • 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
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/11—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits using multiple parity bits
    • H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] codes
    • H03M13/1148—Structural properties of the code parity-check or generator matrix
    • H03M13/116—Quasi-cyclic LDPC [QC-LDPC] codes, i.e. the parity-check matrix being composed of permutation or circulant sub-matrices
    • H03M13/1165—QC-LDPC codes as defined for the digital video broadcasting [DVB] specifications, e.g. DVB-Satellite [DVB-S2]
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    • H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
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    • 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]
    • H03M13/255—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 Low Density Parity Check [LDPC] codes
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    • 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
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    • H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
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    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
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    • H04L27/04—Modulator circuits; Transmitter circuits
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    • 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
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    • H04L5/00—Arrangements affording multiple use of the transmission path
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Claims (12)

1. Uređaj za odašiljanje barem jednog emitiranog signala s podacima na vodu na fizičkom sloju (eng. Physical Layer Pipe, PLP) za prenošenje toka usluge, a uređaj obuhvaća: sredstva (702-0) za vanjsko kodiranje PLP podataka; sredstva (303) za provjeru parnosti niske gustoće (eng. Low Density Parity Check, LDPC), koja kodiraju vanjski kodirane PLP podatke za unaprijedno ispravljanje pogrešaka i izlaz, okvir za unaprijedno ispravljanje pogrešaka (eng. forward error correction Frame, FECFrame) za LDPC kodirane PLP podatke; sredstva (704-0) za mapiranje FEC okvira na konstelaciji kvadraturne amplitudne modulacije (eng. Quadrature Amplitude Modulation, QAM) radi građenja kompleksnog okvira za unaprijedno ispravljanje pogrešaka (XFECFrame); sredstva (705-0) za umetanje zaglavlja okvira FECFrame ispred okvira XFECFrame; sredstva (706-0) za građenje barem jednog paketa podatkovnih komada na temelju XFECFrame i FECFrame zaglavlja; sredstva (708-0) za podatke koji se naizmjenično isprepliću vremenski u izgrađenom paketu podatkovnih komada; sredstva (709-0) za frekvencijsko ispreplitanje podataka koji su vremenski naizmjenično isprepleteni; i sredstva (711) za građenje signalnog okvira na temelju pilot i podatkovnih simbola, pri čemu pilot simboli obuhvaćaju Sloj 1, L1, blokove i podatkovni simboli obuhvaćaju frekvencijski isprepletene podatke i gdje pilot simboli imaju L1 podatke za signaliziranje podatkovnih simbola, pri čemu pilot simbol obuhvaća L1 blokove ponovljene u frekvencijskoj domeni, svaki od L1 blokova ima 3408 sub-nosača, pri čemu L1 podaci za signaliziranje obuhvaćaju tip informacija u paketu podatkovnih komada, pri čemu tip informacija ukazuje uključuje li paket podatkovnih komada FECFrame zaglavlje ili ne, pri čemu paket podatkovnih komada obuhvaća XFEC okvir, kada tip informacija ukazuje na prvi tip paketa podatkovnih komada, i paket podatkovnih komada obuhvaća XFEC okvir i FECFrame zaglavlje kada tip informacija ukazuje na drugi tip paketa podatkovnih komada.
2. Uređaj prema zahtjevu 1, uređaj dalje obuhvaća: sredstva (702-L1) za kodiranje L1 signalnih informacija.
3. Uređaj prema zahtjevu 1, gdje L1 signalne informacije obuhvaćaju FEC tip informacija PLP podataka.
4. Postupak odašiljanja barem jednog emitiranog signala s PLP podacima za prenošenje toka usluge, postupak obuhvaća: vanjsko kodiranje PLP podataka; LDPC kodiranje vanjski kodiranih PLP podataka, za unaprijedno ispravljanje pogrešaka i izlaz, okvir za unaprijedno ispravljanje pogrešaka (FECFrame) za LDPC kodirane PLP podatke; mapiranje FEC okvira na konstelaciji kvadraturne amplitudne modulacije (QAM) radi građenja kompleksnog okvira za unaprijedno ispravljanje pogrešaka (XFECFrame); umetanje zaglavlja FEC okvira ispred XFECFrame; građenje barem jednog paketa podatkovnih komada na temelju XFECFrame i FECFrame zaglavlja; podatke koji se naizmjenično isprepliću vremenski u izgrađenom paketu podatkovnih komada; frekvencijsko ispreplitanje podataka koji su vremenski naizmjenično isprepleteni; i građenje signalnog okvira na temelju pilot i podatkovnih simbola, pri čemu pilot simboli obuhvaćaju Sloj 1, L1, blokove i podatkovni simboli obuhvaćaju frekvencijski isprepletene podatke i gdje pilot simboli imaju L1 podatke za signaliziranje podatkovnih simbola, pri čemu pilot simboli obuhvaćaju L1 blokove ponovljene u frekvencijskoj domeni, svaki od L1 blokova ima 3408 sub-nosača, pri čemu L1 podaci za signaliziranje obuhvaćaju tip informacija u paketu podatkovnih komada, pri čemu tip informacija ukazuje uključuje li paket podatkovnih komada zaglavlje ili ne, pri čemu paket podatkovnih komada obuhvaća XFEC okvir, kada tip informacija ukazuje na prvi tip paketa podatkovnih komada, i paket podatkovnih komada obuhvaća XFEC okvir i FECFrame zaglavlje kada tip informacija ukazuje na drugi tip paketa podatkovnih komada.
5. Postupak prema zahtjevu 4, postupak dalje obuhvaća; kodiranje L1 signalnih informacija.
6. Postupak prema zahtjevu 4, gdje L1 signalne informacije obuhvaćaju FEC tip informacija PLP podataka.
7. Uređaj za primanje barem jednog emitiranog signala s PLP podacima za prenošenje toka usluge, a uređaj obuhvaća: sredstva (r105) za primanje barem jednog emitiranog signala sa signalnim okvirom; sredstva (r103) za analizu signalnog okvira uključujući pilot simbole i podatkovne simbole, gdje pilot simboli obuhvaćaju Sloj 1, L1, blokove i podatkovni simboli obuhvaćaju podatkovne komade s PLP podacima i pri čemu pilot simboli imaju L1 podatke za signaliziranje podatkovnih simbola, pri čemu pilot simboli obuhvaćaju L1 blokove ponovljene u frekvencijskoj domeni, svaki od L1 blokova ima 3408 sub-nosača; sredstva (r709) za frekvencijsko rasplitanje podataka u analiziranom signalnom okviru; sredstva (r710) za vremensko rasplitanje podataka koji su frekvencijski raspleteni na razini podatkovnog komada; sredstva (r711) za izlaz paketa podatkovnih komada koji imaju PLP podatke iz podatkovnog komada; pri čemu L1 signalne informacije obuhvaćaju tip informacije paketa podatkovnih komada, gdje tip informacije ukazuje na to uključuje li svaki od paketa podataka zaglavlje ili ne; sredstva (r712) za dobivanje zaglavlja iz paketa podatkovnih komada prema tipu informacije; sredstva (r303) za dekodiranje podataka u paketima podatkovnih komada za unaprijedno ispravljanje pogrešaka, FEC pomoću LDPC sheme za dekodiranje; i sredstva (r715-C) za vanjsko dekodiranje LDPC dekodiranih podataka.
8. Uređaj prema zahtjevu 7, pri čemu uređaj dalje obuhvaća; sredstva (r715-L1) za dekodiranje L1 signalnih informacija.
9. Uređaj prema zahtjevu 7, gdje L1 signalna informacija obuhvaća FEC tip informacije PLP podataka u paketima podatkovnih komada.
10. Postupak primanja barem jednog emitiranog signala s PLP podacima za prenošenje toka usluge, a postupak obuhvaća: primanje barem jednog emitiranog signala sa signalnim okvirom; analizu signalnog okvira uključujući pilot i podatkovne simbole gdje pilot simboli obuhvaćaju Sloj 1, L1, blokove i podatkovni simboli obuhvaćaju podatkovne komade s PLP podacima i pri čemu pilot simboli imaju L1 podatke za signaliziranje podatkovnih simbola, pri čemu pilot simboli obuhvaćaju L1 blokove ponovljene u frekvencijskoj domeni, svaki od L1 blokova ima 3408 sub-nosača; frekvencijsko rasplitanje podataka u analiziranom signalnom okviru; vremensko rasplitanje podataka koji su frekvencijski raspleteni na razini podatkovnog komada; izlaz paketa podatkovnih komada koji imaju PLP podatke iz podatkovnog komada; pri čemu L1 signalne informacije obuhvaćaju tip informacije paketa podatkovnih komada, gdje tip informacije ukazuje na to uključuje li svaki od paketa podataka zaglavlje ili ne; dobivanje zaglavlja iz paketa podatkovnih komada prema tipu informacije; dekodiranje podataka u paketima podatkovnih komada za unaprijedno ispravljanje pogrešaka, FEC pomoću LDPC sheme za dekodiranje; i vanjsko dekodiranje LDPC dekodiranih podataka.
11. Postupak prema zahtjevu 10, pri čemu postupak dalje obuhvaća; dekodiranje L1 signalne informacije.
12. Postupak prema zahtjevu 10, gdje L1 signalna informacija obuhvaća FEC tip informacije PLP podataka u paketima podatkovnih komada.
HRP20131074AT 2009-01-09 2013-11-11 Uređaj za prijenos i primanje signala te postupak za prijenos i primanje signala HRP20131074T1 (hr)

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