DE20202171U1 - Vorrichtung zur Erzeugung von Codes in Kommunikationssystemen - Google Patents
Vorrichtung zur Erzeugung von Codes in KommunikationssystemenInfo
- Publication number
- DE20202171U1 DE20202171U1 DE20202171U DE20202171U DE20202171U1 DE 20202171 U1 DE20202171 U1 DE 20202171U1 DE 20202171 U DE20202171 U DE 20202171U DE 20202171 U DE20202171 U DE 20202171U DE 20202171 U1 DE20202171 U1 DE 20202171U1
- Authority
- DE
- Germany
- Prior art keywords
- symbol sequence
- generating
- symbol
- qctc
- parity
- 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
- 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
- H04L1/0064—Concatenated codes
- H04L1/0066—Parallel concatenated 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
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
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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
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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
- H03M13/2771—Internal interleaver for turbo 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
- H03M13/29—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
- H03M13/2957—Turbo codes and decoding
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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
- H03M13/29—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
- H03M13/2957—Turbo codes and decoding
- H03M13/296—Particular turbo code structure
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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
- H03M13/63—Joint error correction and other techniques
- H03M13/6306—Error control coding in combination with Automatic Repeat reQuest [ARQ] and diversity transmission, e.g. coding schemes for the multiple transmission of the same information or the transmission of incremental redundancy
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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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
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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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
- H03M13/6356—Error control coding in combination with rate matching by repetition or insertion of dummy data, i.e. rate reduction
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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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
- H03M13/6362—Error control coding in combination with rate matching by puncturing
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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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
- H03M13/6362—Error control coding in combination with rate matching by puncturing
- H03M13/6368—Error control coding in combination with rate matching by puncturing using rate compatible puncturing or complementary puncturing
- H03M13/6381—Rate compatible punctured turbo [RCPT] 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
- H03M13/63—Joint error correction and other techniques
- H03M13/635—Error control coding in combination with rate matching
- H03M13/6362—Error control coding in combination with rate matching by puncturing
- H03M13/6368—Error control coding in combination with rate matching by puncturing using rate compatible puncturing or complementary puncturing
- H03M13/6387—Complementary punctured convolutional [CPC] 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional 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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
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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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0067—Rate matching
- H04L1/0068—Rate matching by puncturing
- H04L1/0069—Puncturing patterns
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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
- H04L1/0056—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
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
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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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1874—Buffer management
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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
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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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0065—Serial concatenated codes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Detection And Correction Of Errors (AREA)
Description
Claims (16)
einem Turbo-Encoder, der eine Vielzahl von Encoder-Komponenten hat, für die Erzeugung einer Informationssymbolsequenz und einer Vielzahl von Paritätssymbolsequenzen entsprechend einer gegebenen Coderate bei der Codierung der Informationssymbolsequenz, wobei jede der Encoder-Komponenten mindestens eine Paritätssymbolsequenz erzeugt, und diese mindestens eine Paritätssymbolsequenz von einer Encoder-Komponente der mindestens einen Paritätssymbolsequenz von der anderen Encoder-Komponente entspricht;
einem Kanalverschachteler (channel interleaver) für die individuelle Verschachtelung der Informationssymbolsequenz und der Paritätssymbolsequenzen, für das abwechselnde Anordnen der Symbole der entsprechenden Paritätssymbolsequenzen, und für das serielle Verknüpfen der verschachtelnden Informationssymbolsequenz und der angeordneten Paritätssymbolsequenzen; und
einem QCTC-Generator für die Erzeugung eines Teilcodes eines QCTC durch die Wiederholung der seriell verknüpften Symbolsequenz und durch das Auswählen einer vorbestimmten Anzahl von Symbolen von der wiederholten Symbolsequenz entsprechend einer Coderate und Auswahlinformation.
einer Vielzahl von Verschachtelern zur individuellen Verschachtelung der Informationssymbolsequenz und der Vielzahl von Paritätssymbolsequenzen;
einem Multiplexer zur Erzeugung einer neuen Paritätssymbolsequenz durch das Multiplexen der verschachtelnder Symbole der entsprechenden Paritätssymbolsequenz; und
einer Symbolverknüpfungsvorrichtung für das serielle Verschachteln der verschachtelnden Informationssymbolsequenz und der neuen Paritätssymbolsequenz.
einer Symbol-Wiederholungsvorrichtung zur Wiederholung der seriell verknüpften Symbolsequenz; und
einer Symbol-Auswahlvorrichtung zur Erzeugung des Teilcodes durch die Auswahl einer vorbestimmten Anzahl von Symbolen von der wiederholten Symbolsequenz bei einer gegebenen Startposition entsprechend einer gegebenen Coderate.
einem Ringpufferspeicher zur Speicherung der seriell verknüpften Symbolsequenz; und
einer Symbol-Auswahlvorrichtung zur Erzeugung des Teilcodes durch die Auswahl einer vorbestimmten Anzahl von Symbolen von der seriell verknüpften Symbolsequenz bei einer gegebenen Startposition entsprechend einer gegebenen Coderate.
einem Turbo-Encoder, der eine Vielzahl von Encoder-Komponenten hat, für die Erzeugung einer Informationssymbolsequenz und einer Vielzahl von Paritätssymbolsequenzen durch das Verschlüsseln der Informationssymbolsequenz, wobei jede der Encoder-Komponente mindestens eine Paritätssymbolsequenz erzeugt, die mindestens einer Paritätssymbolsequenz einer anderen Encoder-Komponente entspricht;
ein Verschachteler für die individuelle Verschachtelung der Informationssymbolsequenz und der Paritätssymbolsequenzen; ein Multiplexer für die Erzeugung einer neuen Paritätssymbolsequenz durch das Multiplexen der verschachtelten Symbole der entsprechenden Paritätssymbolsequenzen;
eine Symbolverknüpfungsvorrichtung für das serielle Verknüpfen der verschachtelten Informationssymbolsequenz und der neuen Paritätssymbolsequenz; und
einem QCTC-Generator für die Erzeugung eines Teilcodes eines QCTC mit einer gegebenen Coderate durch die rekursive Auswahl einer vorgegebenen Zahl von Symbolen von der seriell verknüpften Symbolsequenz bei einer gegebenen Startposition entsprechend der Coderate.
einer Symbol-Wiederholungsvorrichtung zur Wiederholung der seriell verknüpften Symbolsequenz; und
einer Symbol-Auswahlvorrichtung für die Erzeugung des Teilcodes durch die Auswahl der vorbestimmten Zahl von Symbolen von der wiederholten Symbolsequenz entsprechend der gegebenen Coderate.
einem Ringpufferspeicher für die Speicherung der seriell verknüpften Symbolsequenz; und
einer Symbol-Auswahlvorrichtung zur Erzeugung des Teilcodes durch die Auswahl der vorbestimmten Anzahl von Symbolen von der seriell verknüpften Symbolsequenz bei einer gegebenen Startposition entsprechend einer gegebenen Coderate.
einem Turbo-Encoder zur Erzeugung einer Informationssymbolsequenz und einer Vielzahl von Paritätssymbolsequenzen durch die Verschlüsselung der Informationssymbolsequenz;
einem Kanalverschachteler für die individuelle Verschachtelung der Informationssymbolsequenz und der Paritätssymbolsequenzen, für die Erzeugung neuer Paritätssymbolsequenzen durch das Multiplexen der Symbole der Paritätssymbolsequenzen mit der gleichen Prioritätsstufe, und für die serielle Verknüpfung der Informationssymbolsequenz und der neuen Paritätssymbolsequenzen; und
einem QCTC-Generator zur Erzeugung eines Teilcodes eines QCTC mit der gegebenen Coderate durch das rekursive Auswählen einer vorgegebenen Zahl von Symbolen von der seriell verknüpften Symbolsequenz bei einer gegebenen Startposition entsprechend der Coderate.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20010008275 | 2001-02-13 | ||
KR20010007357 | 2001-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE20202171U1 true DE20202171U1 (de) | 2002-05-23 |
Family
ID=26638809
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20202171U Expired - Lifetime DE20202171U1 (de) | 2001-02-13 | 2002-02-13 | Vorrichtung zur Erzeugung von Codes in Kommunikationssystemen |
DE60221929T Expired - Lifetime DE60221929T2 (de) | 2001-02-13 | 2002-02-13 | Vorrichtung und Verfahren für Codegenerierung in einem Kommunikationssystem |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60221929T Expired - Lifetime DE60221929T2 (de) | 2001-02-13 | 2002-02-13 | Vorrichtung und Verfahren für Codegenerierung in einem Kommunikationssystem |
Country Status (13)
Country | Link |
---|---|
US (2) | US7093185B2 (de) |
EP (3) | EP1231735B1 (de) |
JP (2) | JP3636708B2 (de) |
KR (1) | KR100438448B1 (de) |
CN (2) | CN1268062C (de) |
AU (1) | AU2002233774B2 (de) |
BR (1) | BRPI0204043B1 (de) |
CA (1) | CA2405119C (de) |
DE (2) | DE20202171U1 (de) |
FR (1) | FR2820913B1 (de) |
GB (1) | GB2376393B (de) |
RU (2) | RU2233541C2 (de) |
WO (1) | WO2002065647A1 (de) |
Families Citing this family (46)
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CA2414302C (en) * | 2001-05-08 | 2007-09-18 | Samsung Electronics Co., Ltd. | Apparatus and method for generating codes in a communication system |
KR100860660B1 (ko) * | 2002-01-09 | 2008-09-26 | 삼성전자주식회사 | 통신시스템의 인터리빙 장치 및 방법 |
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