EA200802075A1 - Устройство и способ обработки данных - Google Patents

Устройство и способ обработки данных

Info

Publication number
EA200802075A1
EA200802075A1 EA200802075A EA200802075A EA200802075A1 EA 200802075 A1 EA200802075 A1 EA 200802075A1 EA 200802075 A EA200802075 A EA 200802075A EA 200802075 A EA200802075 A EA 200802075A EA 200802075 A1 EA200802075 A1 EA 200802075A1
Authority
EA
Eurasian Patent Office
Prior art keywords
sub
ofdm
data symbols
dvb
carrier signals
Prior art date
Application number
EA200802075A
Other languages
English (en)
Other versions
EA014413B1 (ru
Inventor
Мэтью Пол Атол Тейлор
Сэмюель Асанбенг Атунгсири
Джон Николас Уилсон
Original Assignee
Сони Корпорейшн
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
Priority claimed from GB0721269.9A external-priority patent/GB2454193B/en
Priority claimed from GB0721270A external-priority patent/GB2454194A/en
Application filed by Сони Корпорейшн filed Critical Сони Корпорейшн
Publication of EA200802075A1 publication Critical patent/EA200802075A1/ru
Publication of EA014413B1 publication Critical patent/EA014413B1/ru

Links

Classifications

    • 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
    • H03M13/276—Interleaving address generation
    • 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
    • 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
    • H03M13/2739—Permutation polynomial interleaver, e.g. quadratic permutation polynomial [QPP] interleaver and quadratic congruence interleaver
    • 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
    • H03M13/2782—Interleaver implementations, which reduce the amount of required interleaving memory
    • H03M13/2785—Interleaver using in-place interleaving, i.e. writing to and reading from the memory is performed at the same memory location
    • 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
    • H03M13/65—Purpose and implementation aspects
    • H03M13/6522—Intended application, e.g. transmission or communication standard
    • H03M13/6552—DVB-T2
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/58—Random or pseudo-random number generators
    • G06F7/582—Pseudo-random number generators
    • G06F7/584—Pseudo-random number generators using finite field arithmetic, e.g. using a linear feedback shift register
    • 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
    • H03M13/03—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
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] 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
    • H03M13/03—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
    • H03M13/13—Linear codes
    • H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
    • 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
    • H03M13/152—Bose-Chaudhuri-Hocquenghem [BCH] 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
    • H03M13/29—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—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 combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Multimedia (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Hardware Redundancy (AREA)
  • Communication Control (AREA)

Abstract

Процессор обработки данных отображает входные символы, предназначенные для передачи, в заданное количество сигналов поднесущей ортогонально мультиплексированного с частотным разделением (ОМЧР) символа. Процессор обработки данных включает в себя запоминающее устройство перемежителя, которое считывает заданное количество символов данных для отображения на сигналы поднесущей ОМЧР. Запоминающее устройство перемежителя считывает символы данных на поднесущие ОМЧР для выполнения отображения, причем считывание из запоминающего устройства выполняют в другом порядке, чем считывание в запоминающее устройство, порядок определяют из набора адресов, в результате чего символы данных перемежают на сигналы поднесущей. Набор адресов генерируют из генератора адреса, который содержит линейный сдвиговый регистр с обратной связью и схему перестановок. Полином генератора для линейного сдвигового регистра с обратной связью представляет собойи код перестановки предусмотрен для перестановки порядка содержания каскадов регистра. Код перестановки установлен с помощью анализа на основе моделирования для оптимизации характеристик передачи через обычные радиоканалы. При этом режим работы 1K обеспечивают с помощью перемежителя, который выполняет перемежение символов данных приблизительно на одну тысячу поднесущих символов ОМЧР для системы, модулированной ОМЧР, такой как стандарт Цифрового телевизионного вещания (ЦТВ), такому как стандарт Цифрового наземного вещания 2 (ЦНТВ2).
EA200802075A 2007-10-30 2008-10-29 Устройство и способ обработки данных EA014413B1 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0721269.9A GB2454193B (en) 2007-10-30 2007-10-30 Data processing apparatus and method
GB0721270A GB2454194A (en) 2007-10-30 2007-10-30 Address generation polynomial and permutation matrix for DVB-T2 1k OFDM sub-carrier mode interleaver
GB0722645A GB2455071A (en) 2007-10-30 2007-11-19 Memory efficient data symbol interleaver which adaptively applies odd only, or odd and even interleaving processes, depending on OFDM mode
GB0722728A GB2454267A (en) 2007-10-30 2007-11-20 DVB interleaver for odd/even symbol streams splits memory for sub-carrier number up to half maximum/has common memory and immediate location reuse otherwise

Publications (2)

Publication Number Publication Date
EA200802075A1 true EA200802075A1 (ru) 2009-06-30
EA014413B1 EA014413B1 (ru) 2010-12-30

Family

ID=40097846

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200802075A EA014413B1 (ru) 2007-10-30 2008-10-29 Устройство и способ обработки данных

Country Status (14)

Country Link
US (2) US8170091B2 (ru)
EP (2) EP2056471B1 (ru)
JP (1) JP5248983B2 (ru)
KR (2) KR101461676B1 (ru)
AT (2) ATE451753T1 (ru)
AU (1) AU2008237590B2 (ru)
DE (2) DE602008000382D1 (ru)
DK (2) DK2056472T3 (ru)
EA (1) EA014413B1 (ru)
ES (2) ES2336632T3 (ru)
GB (2) GB2454318B (ru)
PL (2) PL2056472T3 (ru)
PT (2) PT2056472E (ru)
TW (2) TWI442731B (ru)

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Also Published As

Publication number Publication date
TWI442731B (zh) 2014-06-21
DK2056472T3 (da) 2010-04-19
DK2056471T3 (da) 2009-11-30
JP2009112010A (ja) 2009-05-21
DE602008000145D1 (de) 2009-10-29
EP2056471B1 (en) 2009-09-16
KR101520486B1 (ko) 2015-05-14
GB0819374D0 (en) 2008-11-26
EP2056472B1 (en) 2009-12-09
GB0819397D0 (en) 2008-11-26
ATE451753T1 (de) 2009-12-15
PL2056471T3 (pl) 2010-02-26
AU2008237590B2 (en) 2012-03-29
ES2332836T3 (es) 2010-02-12
ES2336632T3 (es) 2010-04-14
PT2056471E (pt) 2009-10-29
EP2056471A1 (en) 2009-05-06
US8320484B2 (en) 2012-11-27
GB2454317B (en) 2012-10-17
TW200926658A (en) 2009-06-16
TWI427954B (zh) 2014-02-21
GB2454318A (en) 2009-05-06
PT2056472E (pt) 2010-02-09
ATE443376T1 (de) 2009-10-15
AU2008237590A1 (en) 2009-05-14
EA014413B1 (ru) 2010-12-30
US20120099665A1 (en) 2012-04-26
US8170091B2 (en) 2012-05-01
JP5248983B2 (ja) 2013-07-31
KR20090045103A (ko) 2009-05-07
GB2454317A (en) 2009-05-06
GB2454318B (en) 2012-10-17
TW200926657A (en) 2009-06-16
KR20090045102A (ko) 2009-05-07
KR101461676B1 (ko) 2014-11-13
PL2056472T3 (pl) 2010-05-31
US20090110095A1 (en) 2009-04-30
DE602008000382D1 (de) 2010-01-21
EP2056472A1 (en) 2009-05-06

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