HUE027115T2 - Bitpermutációs mintázat LDPC kódolású modulációhoz és 16 QAM csillagkép mintázatokhoz - Google Patents
Bitpermutációs mintázat LDPC kódolású modulációhoz és 16 QAM csillagkép mintázatokhoz Download PDFInfo
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- HUE027115T2 HUE027115T2 HUE10158889A HUE10158889A HUE027115T2 HU E027115 T2 HUE027115 T2 HU E027115T2 HU E10158889 A HUE10158889 A HU E10158889A HU E10158889 A HUE10158889 A HU E10158889A HU E027115 T2 HUE027115 T2 HU E027115T2
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- 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
- H03M13/27—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 using interleaving techniques
- H03M13/2778—Interleaver using block-wise interleaving, e.g. the interleaving matrix is sub-divided into sub-matrices and the permutation is performed in blocks of sub-matrices
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- 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
- H03M13/03—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
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- 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
- H03M13/03—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]
-
- 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]
- H03M13/255—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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- 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
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- 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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0071—Use of interleaving
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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
- H04L27/04—Modulator circuits; Transmitter circuits
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Error Detection And Correction (AREA)
Claims (5)
- BO'FERMm'ÀaÔS MINTÁZATLBPC KÓDOLÁSÚ MODLLÁCIÓHOZ ÈS U QAM CSILLAGKÉP MINTÁZATOKHOZ SZABAOALÂMÉMFOMïOK L Eij&tàs 16 QAM iipuaù QAM modulátornak küldendő digitális jelek feldolgozására, asfely jelek |/S kódolási sebességö LDPC köd szermt NfEANŒ szmlrá bltet taitaîsîaxô ktasteklîe kódok audio- es vide-qfeiek, aboi az emifceu 3/5 vebességü LDPC kód «2 egyik ÖYB-S2 száhvásy, ahol az említett esemsgokkí: egy falerkaver egység íágifcögevd egy epsógeskő {îâtMemki0 mátrixba ltjuk, amely égyóigesítő mátrix teljes mérete NFRAME és 8 oszlopot, valataiai: az RERÁME l/R-ásai .megegyező· szarná sori taBbimaz, továbbá &df bIÄ4 vép? .« csillagkép leképezési ilmkdéi mep&öett azsmlttsít ïnterlmver egységtől étkező bitek bsi|í«)tfláeíöja;4 továbbá ahol egy leképező: AMapmr) egység segítségével: társítjuk a Demux blokk: által kibocsátott biteket egy 1 6 QAM csillagkép fcoordfeátáfeöz, azzal jeli©«'«!, m § bites sz&vskm m- oáfc sorát? előáiittmk egy olyat* Y sft amely az yí) yi y2 yf f$ yS vő ÿ? bitekéi Mtáksazza ebbso a sorreadbes, és amely permuiálM egy olyats B szóval kezdjük., amely a bO bl b2 1>3 b4 b5 bő b? biteket fertalmazza ehbett a .somadjfem* dtó as yö és bíí bitek as Yj, illetve B szavak legnagyobb hely? érték?? bkfebittig m0 és ab? hitek az. ¥, illetve B szavuk legkisebb iseíyi értéka lőjék alibi: ~ jó megfelel kö-tísk;: - yl megfelel b2-®ek;: - y2 «}egfdeib3*aakl * y3 megfelel bárnak; ·· y4 megfelel b4-nek; · yS megfelel b Írnek; - yő megfelel h?-t?ek; · y? .megleld bS-tsek,
- 2, Az I, igéttyporá szetíáÉ eljárás, álfel $ bitek NFRAME száma 6480Ô.
- 3. Az 1 yigéaygbut szermti eijáráá,, alibi a bitek. N'FRaME száma 16200.
- 4¾ QAM modulátort tartalmazó fépdázer digitális jelek továbbítására, azzal jellemezve, bogy az 1-3, igénypontok bármelyike szériád éljázsé végtelítjtásáta alkalmasan vas. Malakitva.
- 5. A4, igénypont szerinti rendszer, srSély tartalmaz egy mmio/video digitális jeleket kibocsátó adóegységet digitális földi televíziós jelek sugárzására. ti, Eljárás 16 QAM Épmé QAM dmasduiaferral fogadott digitális jelek Mdölgezisára, műy jelek 305 kódolási sebességű LDPC kód szériái MFIkAME iszlmú bitéi ísn-islmazó csomagokba kódolt anáö~ és: ódeosalék, ahol a .3/5 sebességű LDRC kód áz egyik PVB-S2 szabvány, almi egy ae~Mcspper egységgél végrebajijitk egy csillagkép visszafelé forfeit! leképzését és egy lő QAM csillagkép koordinátáinak á biteket feílslmAZÓ csomsgokeak való: suegfeleltetését, ahol egy .Demux biokkal végrehajtjuk, .az említet* bitek biípemetálasát a csilfegkép visszafelé történd leképezését követben, és ahol a penautájj bítekko- 4P sxâm&s agy sgpëg segítségével beírnak egy egÿsësesliô {wteri&nïng) sSâtebsi, aboi m egység estté srátrlx: teljes mérete ]9FRAMb es 8 esgiepot. v&limsní aá NFRAME 1/8 · késő iisegegye^Ö számé sort tstrlajiKsz, tsz«»! jellgSiekYS, bogy as említett ptstatacmt S bites szava' kon hajtják:yégm, és. annak során előállítunk: égy olyan B szét, amely a bO bl b2 b3'fe4 bS b$ W biteket í&ttaloittxseébben a sorrendben, és amely permntMót égy olptt Y szóval kezdjük, amely as yd yl y2 yl y4 ÿ5 0'0 biteket taxtainnatza ebben a scirreodben;; akd szyö és bO bitek az Y., illetve B száyák îégfeb gybbb helyi értékű bitjei, míg: az y? és & b7 bitek az: Yr Illetve: B skáváfc legkisebb helyi ér|ékŐ hll|0h ahol: · yO megleld bd-nak; -· yl megleld b2-nek; « y2 megleld bd-nak; ~ y3 megfelel hó-rtak; - y4 megleld b4-nek; - y$ megfelel b 1 -ttek; - vb megfdel b?vpk:;: « y? megfelel b5-n«k. % A Sbigábjgíoat szerinti djárá% ahol a bitek NFliASíE száma ¢5481)9, g. Λ óv Igénypont szerinti eljárás ahol a bitek NFRAME szama 16299. y, QMí dnmedidáíori htríálmmsö teodszet digitális jelek fogadásán az*áí pMsmzve, hogy aődl igényem ülök bámmfyike szerati eljárás: végrehajtására alkalsmasa vsa kialakítva, I (). A 9, igénypont szerinti rendszer, amely tartalmaz egy audio/video digitális jeleket fogadó vevőegységei: digitális földi sugárzású televíziós jelek vételére.
Applications Claiming Priority (2)
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ITTO20080154 ITTO20080154A1 (it) | 2008-03-03 | 2008-03-03 | Metodi di elaborazione di segnali digitali e sistemi di trasmissione e ricezione che li utilizzano |
ITTO20080173 ITTO20080173A1 (it) | 2008-03-06 | 2008-03-06 | Metodi di elaborazione di segnali digitali e sistemi di trasmissione e ricezione che li utilizzano |
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HUE027115T2 true HUE027115T2 (hu) | 2016-08-29 |
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HUE09717819A HUE027114T2 (hu) | 2008-03-03 | 2009-03-02 | Bitpermutációs mintázat LDPC kódolású modulációhoz és QAM csillagkép mintázatokhoz |
HUE10158893A HUE025389T2 (hu) | 2008-03-03 | 2009-03-02 | Bitpermutációs mintázat LDPC kódolású modulációhoz és 64 QAM csillagkép mintázatokhoz |
HUE10158889A HUE027115T2 (hu) | 2008-03-03 | 2009-03-02 | Bitpermutációs mintázat LDPC kódolású modulációhoz és 16 QAM csillagkép mintázatokhoz |
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HUE09717819A HUE027114T2 (hu) | 2008-03-03 | 2009-03-02 | Bitpermutációs mintázat LDPC kódolású modulációhoz és QAM csillagkép mintázatokhoz |
HUE10158893A HUE025389T2 (hu) | 2008-03-03 | 2009-03-02 | Bitpermutációs mintázat LDPC kódolású modulációhoz és 64 QAM csillagkép mintázatokhoz |
Country Status (13)
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US (3) | US8718186B2 (hu) |
EP (3) | EP2248265B1 (hu) |
JP (1) | JP5325237B2 (hu) |
KR (3) | KR101623468B1 (hu) |
CN (3) | CN104135336B (hu) |
DK (3) | DK2254250T3 (hu) |
ES (3) | ES2545789T3 (hu) |
HK (3) | HK1150688A1 (hu) |
HR (3) | HRP20150904T1 (hu) |
HU (3) | HUE027114T2 (hu) |
PL (3) | PL2254249T3 (hu) |
SI (3) | SI2254250T1 (hu) |
WO (1) | WO2009109830A1 (hu) |
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2009
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