BR0209559A - Arquitetura de buffer para um decodificador turbo - Google Patents
Arquitetura de buffer para um decodificador turboInfo
- Publication number
- BR0209559A BR0209559A BR0209559-9A BR0209559A BR0209559A BR 0209559 A BR0209559 A BR 0209559A BR 0209559 A BR0209559 A BR 0209559A BR 0209559 A BR0209559 A BR 0209559A
- Authority
- BR
- Brazil
- Prior art keywords
- banks
- assigned
- buffer
- turbo decoder
- architecture
- Prior art date
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
-
- 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
- H04L1/0047—Decoding adapted to other signal detection operation
- H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
-
- 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
-
- 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
-
- 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
- H03M13/6566—Implementations concerning memory access contentions
-
- 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
- H04L1/0055—MAP-decoding
-
- 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
-
- 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
- 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
- H03M13/2703—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 the interleaver involving at least two directions
- H03M13/271—Row-column interleaver with permutations, e.g. block interleaving with inter-row, inter-column, intra-row or intra-column permutations
- H03M13/2714—Turbo interleaver for 3rd generation partnership project [3GPP] universal mobile telecommunications systems [UMTS], e.g. as defined in technical specification TS 25.212
Abstract
"ARQUITETURA DE BUFFER PARA UM DECODIFICADOR TURBO". Uma arquitetura de buffer ou acumulador para armazenar resultados intermediários (isto é, dados APP) para um decodificador turbo. Para aumentar a capacidade de acesso a arquitetura de buffer é projetada para dar suporte a acesso concomitante de dados APP para dois ou mais bits para cada ciclo de acesso. Tal é obtido pela partição do buffer em um certo número de bancos, com cada banco sendo independentemente acessível. Para evitar conflitos de acesso, os bancos são designados para as filas e colunas de um arranjo bidimensional usado para intercalação de códigos, de tal forma que os dados APP para bits consecutivos sejam acessados a partir de bancos diferentes. Para dar suporte ao endereçamento "linear", os bancos podem ser dispostos em dois conjuntos, os quais são designados para colunas pares e colunas ímpares do arranjo. Para dar suporte ao endereçamento "intercalado", os bancos podem ser designados para grupos de filas do arranjo de tal forma que filas adjacentes no arranjo intercalado sejam designadas para diferentes grupos.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/854,278 US6392572B1 (en) | 2001-05-11 | 2001-05-11 | Buffer architecture for a turbo decoder |
PCT/US2002/015006 WO2002093755A1 (en) | 2001-05-11 | 2002-05-09 | Buffer architecture for a turbo decoder |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0209559A true BR0209559A (pt) | 2004-06-15 |
Family
ID=25318231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0209559-9A BR0209559A (pt) | 2001-05-11 | 2002-05-09 | Arquitetura de buffer para um decodificador turbo |
Country Status (8)
Country | Link |
---|---|
US (1) | US6392572B1 (pt) |
EP (1) | EP1388213A1 (pt) |
JP (1) | JP3996514B2 (pt) |
KR (1) | KR100963718B1 (pt) |
CN (2) | CN101394189B (pt) |
BR (1) | BR0209559A (pt) |
TW (1) | TW543303B (pt) |
WO (1) | WO2002093755A1 (pt) |
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-
2001
- 2001-05-11 US US09/854,278 patent/US6392572B1/en not_active Expired - Lifetime
-
2002
- 2002-05-09 WO PCT/US2002/015006 patent/WO2002093755A1/en active Application Filing
- 2002-05-09 CN CN2008102146939A patent/CN101394189B/zh not_active Expired - Fee Related
- 2002-05-09 KR KR1020037014652A patent/KR100963718B1/ko active IP Right Grant
- 2002-05-09 EP EP02734384A patent/EP1388213A1/en not_active Withdrawn
- 2002-05-09 JP JP2002590513A patent/JP3996514B2/ja not_active Expired - Fee Related
- 2002-05-09 BR BR0209559-9A patent/BR0209559A/pt not_active IP Right Cessation
- 2002-05-09 CN CNB028128443A patent/CN100426680C/zh not_active Expired - Fee Related
- 2002-05-10 TW TW091109780A patent/TW543303B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20040034607A (ko) | 2004-04-28 |
CN101394189A (zh) | 2009-03-25 |
JP2004531138A (ja) | 2004-10-07 |
EP1388213A1 (en) | 2004-02-11 |
US6392572B1 (en) | 2002-05-21 |
KR100963718B1 (ko) | 2010-06-14 |
WO2002093755A1 (en) | 2002-11-21 |
CN100426680C (zh) | 2008-10-15 |
TW543303B (en) | 2003-07-21 |
JP3996514B2 (ja) | 2007-10-24 |
CN101394189B (zh) | 2012-10-10 |
CN1529943A (zh) | 2004-09-15 |
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