GB0308438D0 - Communication unit and method of encoding/decoding data therein - Google Patents

Communication unit and method of encoding/decoding data therein

Info

Publication number
GB0308438D0
GB0308438D0 GB0308438A GB0308438A GB0308438D0 GB 0308438 D0 GB0308438 D0 GB 0308438D0 GB 0308438 A GB0308438 A GB 0308438A GB 0308438 A GB0308438 A GB 0308438A GB 0308438 D0 GB0308438 D0 GB 0308438D0
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
encoding
method
communication unit
decoding data
decoding
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.)
Withdrawn
Application number
GB0308438A
Other versions
GB2400776A (en )
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MODEM ART Ltd
MODEM-ART Ltd
Original Assignee
MODEM ART Ltd
MODEM-ART Ltd
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0047Decoding adapted to other signal detection operation
    • H04L1/005Iterative decoding, including iteration between signal detection and decoding operation
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/27Coding, 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
    • H03M13/2703Coding, 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 the interleaver involving at least two directions
    • H03M13/271Row-column interleaver with permutations, e.g. block interleaving with inter-row, inter-column, intra-row or intra-column permutations
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/27Coding, 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
    • H03M13/2703Coding, 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 the interleaver involving at least two directions
    • H03M13/271Row-column interleaver with permutations, e.g. block interleaving with inter-row, inter-column, intra-row or intra-column permutations
    • H03M13/2714Turbo interleaver for 3rd generation partnership project [3GPP] universal mobile telecommunications systems [UMTS], e.g. as defined in technical specification TS 25.212
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/27Coding, 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
    • H03M13/275Interleaver wherein the permutation pattern is obtained using a congruential operation of the type y=ax+b modulo c
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/27Coding, 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
    • H03M13/276Interleaving address generation
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/29Coding, 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
    • H03M13/2957Turbo codes and decoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0064Concatenated codes
    • H04L1/0066Parallel concatenated codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0067Rate matching
    • H04L1/0068Rate matching by puncturing
    • H04L1/0069Puncturing patterns
GB0308438A 2003-04-14 2003-04-14 Communication unit and method of encoding/decoding data therein Withdrawn GB0308438D0 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0308438A GB0308438D0 (en) 2003-04-14 2003-04-14 Communication unit and method of encoding/decoding data therein

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0308438A GB0308438D0 (en) 2003-04-14 2003-04-14 Communication unit and method of encoding/decoding data therein
PCT/IB2004/001112 WO2004095766A1 (en) 2003-04-14 2004-04-13 Communication unit and method of encoding/decoding data therein

Publications (2)

Publication Number Publication Date
GB0308438D0 true GB0308438D0 (en) 2003-05-21
GB2400776A true GB2400776A (en) 2004-10-20

Family

ID=9956648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0308438A Withdrawn GB0308438D0 (en) 2003-04-14 2003-04-14 Communication unit and method of encoding/decoding data therein

Country Status (2)

Country Link
GB (1) GB0308438D0 (en)
WO (1) WO2004095766A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2880483A1 (en) * 2004-12-31 2006-07-07 France Telecom Method and interleaver
CN101043284B (en) 2007-04-10 2011-04-20 中兴通讯股份有限公司 Interleaver of TURBO coder in WCDMA system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6442728B1 (en) * 1999-01-11 2002-08-27 Nortel Networks Limited Methods and apparatus for turbo code
US6543013B1 (en) * 1999-04-14 2003-04-01 Nortel Networks Limited Intra-row permutation for turbo code
KR100393608B1 (en) * 2000-09-29 2003-08-09 삼성전자주식회사 An internal interleaver of the turbo decoder in an umts system and method for interleaving thereof
US6845482B2 (en) * 2001-02-28 2005-01-18 Qualcomm Incorporated Interleaver for turbo decoder

Also Published As

Publication number Publication date Type
WO2004095766A1 (en) 2004-11-04 application
GB2400776A (en) 2004-10-20 application

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)