TW200711328A - Method and apparatus for providing enhanced channel interleaving - Google Patents
Method and apparatus for providing enhanced channel interleavingInfo
- Publication number
- TW200711328A TW200711328A TW095115956A TW95115956A TW200711328A TW 200711328 A TW200711328 A TW 200711328A TW 095115956 A TW095115956 A TW 095115956A TW 95115956 A TW95115956 A TW 95115956A TW 200711328 A TW200711328 A TW 200711328A
- Authority
- TW
- Taiwan
- Prior art keywords
- channel interleaving
- providing enhanced
- enhanced channel
- output sequence
- subsequences
- 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
- H03M13/2792—Interleaver wherein interleaving is performed jointly with another technique such as puncturing, multiplexing or routing
-
- 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
- H03M13/2703—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
- H03M13/2717—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 the interleaver involves 3 or more directions
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- 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
- H04L27/2602—Signal structure
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67749505P | 2005-05-04 | 2005-05-04 | |
US68028505P | 2005-05-12 | 2005-05-12 | |
US11/415,447 US20090022079A1 (en) | 2005-05-04 | 2006-05-01 | Method and apparatus for providing enhanced channel interleaving |
Publications (1)
Publication Number | Publication Date |
---|---|
TW200711328A true TW200711328A (en) | 2007-03-16 |
Family
ID=37308357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095115956A TW200711328A (en) | 2005-05-04 | 2006-05-04 | Method and apparatus for providing enhanced channel interleaving |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090022079A1 (zh) |
EP (1) | EP1880474A4 (zh) |
JP (1) | JP2008541534A (zh) |
KR (1) | KR100939028B1 (zh) |
BR (1) | BRPI0610617A2 (zh) |
TW (1) | TW200711328A (zh) |
WO (1) | WO2006117651A2 (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090022079A1 (en) * | 2005-05-04 | 2009-01-22 | Fei Frank Zhou | Method and apparatus for providing enhanced channel interleaving |
NZ584316A (en) * | 2005-05-12 | 2011-07-29 | Qualcomm Inc | Method and Apparatus for Management of Multi-Carrier Communications in a Wireless Communication System |
US7685495B2 (en) | 2005-05-12 | 2010-03-23 | Qualcomm Incorporated | Apparatus and method for channel interleaving in communications system |
US8107552B2 (en) * | 2006-06-28 | 2012-01-31 | Samsung Electronics Co., Ltd. | System and method of wireless communication of uncompressed video having a fast fourier transform-based channel interleaver |
US8194750B2 (en) * | 2006-10-16 | 2012-06-05 | Samsung Electronics Co., Ltd. | System and method for digital communication having a circulant bit interleaver for equal error protection (EEP) and unequal error protection (UEP) |
US8379693B2 (en) * | 2006-12-06 | 2013-02-19 | Zte Corporation | Method for de-spreading quadrature pseudorandom noise |
US8799735B2 (en) * | 2008-12-31 | 2014-08-05 | Mediatek Inc. | Channel interleaver having a constellation-based unit-wise permuation module |
US10486977B2 (en) * | 2015-07-29 | 2019-11-26 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Low absorption spinel formed by acidic and basic treatments |
US10862646B2 (en) | 2017-07-11 | 2020-12-08 | Nokia Technologies Oy | Polar coded broadcast channel |
US11329754B2 (en) | 2020-03-03 | 2022-05-10 | Rockwell Collins, Inc. | Variable data rate broadcast method for channels requiring equalization |
US11240078B1 (en) * | 2020-04-21 | 2022-02-01 | Hrl Laboratories, Llc | Frequency shift keying modulator, transmitter and link |
Family Cites Families (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3614907B2 (ja) * | 1994-12-28 | 2005-01-26 | 株式会社東芝 | データ再送制御方法及びデータ再送制御システム |
US5812601A (en) * | 1996-11-15 | 1998-09-22 | Telefonaktiebolaget Lm Ericsson | Coding for higher-level modulation |
US6539050B1 (en) * | 1997-06-26 | 2003-03-25 | Hughes Electronics Corporation | Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission |
JP3828360B2 (ja) * | 1997-12-24 | 2006-10-04 | インマルサット リミテッド | ディジタルデータ用符号化変調方法、ディジタルデータ変調装置、衛星地球局、変調方法および変調装置 |
US6088387A (en) * | 1997-12-31 | 2000-07-11 | At&T Corp. | Multi-channel parallel/serial concatenated convolutional codes and trellis coded modulation encoder/decoder |
CA2263280C (en) * | 1998-03-04 | 2008-10-07 | International Mobile Satellite Organization | Method and apparatus for mobile satellite communication |
KR100557177B1 (ko) * | 1998-04-04 | 2006-07-21 | 삼성전자주식회사 | 적응 채널 부호/복호화 방법 및 그 부호/복호 장치 |
CA2474859C (en) * | 1998-04-06 | 2007-06-19 | Nortel Networks Limited | Encoding and decoding methods and apparatus |
KR100334819B1 (ko) * | 1998-06-05 | 2002-05-02 | 윤종용 | 레이트 매칭을 위한 채널 부호화 장치 및 방법 |
GB9814960D0 (en) * | 1998-07-10 | 1998-09-09 | Koninkl Philips Electronics Nv | Coding device and communication system using the same |
US6381728B1 (en) * | 1998-08-14 | 2002-04-30 | Qualcomm Incorporated | Partitioned interleaver memory for map decoder |
US6772391B1 (en) * | 1998-10-13 | 2004-08-03 | Interdigital Technology Corporation | Hybrid interleaver for turbo codes |
US6028897A (en) * | 1998-10-22 | 2000-02-22 | The Aerospace Corporation | Error-floor mitigating turbo code communication method |
US6014411A (en) * | 1998-10-29 | 2000-01-11 | The Aerospace Corporation | Repetitive turbo coding communication method |
US6044116A (en) * | 1998-10-29 | 2000-03-28 | The Aerospace Corporation | Error-floor mitigated and repetitive turbo coding communication system |
KR100315708B1 (ko) * | 1998-12-31 | 2002-02-28 | 윤종용 | 이동통신시스템에서터보인코더의펑처링장치및방법 |
CA2266283C (en) * | 1999-03-19 | 2006-07-11 | Wen Tong | Data interleaver and method of interleaving data |
US6542559B1 (en) * | 2000-05-15 | 2003-04-01 | Qualcomm, Incorporated | Decoding method and apparatus |
US6898743B2 (en) * | 2000-07-03 | 2005-05-24 | Lg Electronics Inc. | Data rate matching method in 3GPP2 system |
EP2293452B1 (en) * | 2000-07-05 | 2012-06-06 | LG ELectronics INC. | Method of puncturing a turbo coded data block |
US7251285B2 (en) * | 2000-07-11 | 2007-07-31 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving using turbo code |
US7187708B1 (en) * | 2000-10-03 | 2007-03-06 | Qualcomm Inc. | Data buffer structure for physical and transport channels in a CDMA system |
CA2395222C (en) * | 2000-10-21 | 2008-01-22 | Min-Goo Kim | Transmitting packet data in mobile communications systems |
WO2002033877A1 (en) * | 2000-10-21 | 2002-04-25 | Samsung Electronics Co., Ltd | Data transmitting/receiving method in harq data communication system |
US7227851B1 (en) * | 2000-11-17 | 2007-06-05 | Lucent Technologies Inc. | Transport channel multiplexing system and method |
US6961388B2 (en) * | 2001-02-01 | 2005-11-01 | Qualcomm, Incorporated | Coding scheme for a wireless communication system |
KR100735383B1 (ko) * | 2001-02-09 | 2007-07-04 | 삼성전자주식회사 | 무선 시스템에서 데이터 서비스 장치 및 방법 |
JP3636708B2 (ja) * | 2001-02-13 | 2005-04-06 | サムスン エレクトロニクス カンパニー リミテッド | 通信システムにおける符号を生成するための装置及び方法 |
KR100724921B1 (ko) * | 2001-02-16 | 2007-06-04 | 삼성전자주식회사 | 통신시스템에서 부호 생성 및 복호 장치 및 방법 |
KR100464360B1 (ko) * | 2001-03-30 | 2005-01-03 | 삼성전자주식회사 | 고속 패킷 데이터 전송 이동통신시스템에서 패킷 데이터채널에 대한 효율적인 에너지 분배 장치 및 방법 |
KR100539862B1 (ko) * | 2001-04-04 | 2005-12-28 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 데이타 송/수신장치및 방법 |
RU2251794C2 (ru) * | 2001-05-08 | 2005-05-10 | Самсунг Электроникс Ко.,Лтд | Устройство и способ формирования кодов в системе связи |
US6987778B2 (en) * | 2001-05-22 | 2006-01-17 | Qualcomm Incorporated | Enhanced channel interleaving for optimized data throughput |
KR100689551B1 (ko) * | 2001-06-18 | 2007-03-09 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 데이터 송신 및수신장치 및 방법 |
DE10129777A1 (de) * | 2001-06-20 | 2003-01-02 | Siemens Ag | Verfahren und Vorrichtung zur Datenübertragung gemäß einem ARQ-Verfahren |
KR100450968B1 (ko) * | 2001-06-27 | 2004-10-02 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 데이터 송/수신장치 및 방법 |
KR100464346B1 (ko) * | 2001-08-17 | 2005-01-03 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 패킷 재전송을 위한 송/수신장치 및 방법 |
KR100498921B1 (ko) * | 2001-08-23 | 2005-07-04 | 삼성전자주식회사 | 이동통신 시스템의 수신 신호대간섭비 측정장치 및 방법 |
KR100918765B1 (ko) * | 2001-10-20 | 2009-09-24 | 삼성전자주식회사 | 부호분할다중접속 이동통신시스템에서 부호화 및 레이트매칭장치 및 방법 |
KR100474682B1 (ko) * | 2001-10-31 | 2005-03-08 | 삼성전자주식회사 | 무선통신시스템에서 패킷 재전송을 위한 송수신 장치 및 방법 |
KR100584426B1 (ko) * | 2001-12-21 | 2006-05-26 | 삼성전자주식회사 | 고속 패킷 이동통신시스템에서 심벌 매핑을 위한 인터리빙장치 및 방법 |
FR2834152B1 (fr) * | 2001-12-26 | 2004-04-30 | Nortel Networks Ltd | Procede de traitement de symboles numeriques dans un systeme de communication et emetteur et recepteur pour la mise en oeuvre du procede |
KR100810350B1 (ko) * | 2002-01-07 | 2008-03-07 | 삼성전자주식회사 | 안테나 어레이를 포함하는 부호분할다중접속 이동통신시스템에서 다양한 채널상태에 따른 데이터 송/수신 장치 및 방법 |
US7000173B2 (en) * | 2002-02-11 | 2006-02-14 | Motorola, Inc. | Turbo code based incremental redundancy |
US7487430B2 (en) * | 2002-03-27 | 2009-02-03 | Samsung Electronics Co., Ltd. | Apparatus and method for receiving packet data control channel in a mobile communication system |
KR100617674B1 (ko) * | 2002-05-07 | 2006-08-28 | 삼성전자주식회사 | 칩 합성기를 이용한 다중 왈시코드 복조장치 및 방법 |
US7073114B2 (en) * | 2002-06-24 | 2006-07-04 | Massey Peter C | Method of decoding utilizing a recursive table-lookup decoding method |
US7272191B2 (en) * | 2002-06-26 | 2007-09-18 | Nortel Networks Limited | Method and apparatus for producing and processing sequences of modulation symbols |
EP1561296A1 (en) * | 2002-09-24 | 2005-08-10 | Telefonaktiebolaget LM Ericsson (publ) | Interleaving for mobile communications |
KR100770902B1 (ko) * | 2004-01-20 | 2007-10-26 | 삼성전자주식회사 | 고속 무선 데이터 시스템을 위한 가변 부호율의 오류 정정부호 생성 및 복호 장치 및 방법 |
JP4622263B2 (ja) * | 2004-02-27 | 2011-02-02 | 富士通株式会社 | 送信装置、受信装置、再送制御方法 |
EP1641129A1 (en) * | 2004-09-22 | 2006-03-29 | STMicroelectronics Pvt. Ltd | An improved turbo encoder |
US7397861B2 (en) * | 2004-11-16 | 2008-07-08 | Nokia Corpration | Mapping strategy for OFDM-based systems using H-ARQ |
KR101131323B1 (ko) * | 2004-11-30 | 2012-04-04 | 삼성전자주식회사 | 이동통신 시스템에서 채널 인터리빙 장치 및 방법 |
US20090022079A1 (en) * | 2005-05-04 | 2009-01-22 | Fei Frank Zhou | Method and apparatus for providing enhanced channel interleaving |
-
2006
- 2006-05-01 US US11/415,447 patent/US20090022079A1/en not_active Abandoned
- 2006-05-02 JP JP2008509523A patent/JP2008541534A/ja active Pending
- 2006-05-02 BR BRPI0610617-0A patent/BRPI0610617A2/pt not_active IP Right Cessation
- 2006-05-02 WO PCT/IB2006/001121 patent/WO2006117651A2/en active Application Filing
- 2006-05-02 KR KR1020077028070A patent/KR100939028B1/ko active IP Right Grant
- 2006-05-02 EP EP06755851A patent/EP1880474A4/en not_active Withdrawn
- 2006-05-04 TW TW095115956A patent/TW200711328A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
JP2008541534A (ja) | 2008-11-20 |
EP1880474A2 (en) | 2008-01-23 |
KR100939028B1 (ko) | 2010-01-27 |
WO2006117651A2 (en) | 2006-11-09 |
KR20080005453A (ko) | 2008-01-11 |
BRPI0610617A2 (pt) | 2010-07-13 |
US20090022079A1 (en) | 2009-01-22 |
WO2006117651A3 (en) | 2007-02-08 |
EP1880474A4 (en) | 2010-05-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW200711328A (en) | Method and apparatus for providing enhanced channel interleaving | |
TW200623677A (en) | Transmitter, method for generating a plurality of long preambles and communication device | |
ATE462239T1 (de) | System und verfahren zur drahtlosen zweifaktor- authentifizierung | |
NO20075471L (no) | Betjening av en eller flere drivstoffautomater | |
MX2009003570A (es) | Codificacion mejorada y representacion de parametros para codificacion de objetos de mezcla descendente de multicanal. | |
MY149949A (en) | Apparatus comprising a circular buffer and method for assigning redundancy versions to a circular buffer | |
MX2009003564A (es) | Aparato y metodo para transformacion de parametro multicanal. | |
ATE476732T1 (de) | Steuerung der dekodierung binauraler audiosignale | |
MY139836A (en) | Device and method for generating a data stream and for generating a multi-channel representation | |
TW200710872A (en) | Nibble de-skew method, apparatus, and system | |
GB2460773A (en) | Methods and apparatus for characterizing media | |
TW200644684A (en) | Method and apparatus providing a plurality of services via one channel in mobile communications system | |
TW200644659A (en) | Method and apparatus for reconfiguring a common channel | |
AU2012282089A8 (en) | String instrument, system and method of using same | |
TW200943744A (en) | A decoder, decoding apparatus and method | |
MX2011006906A (es) | Metodo y aparato para configurar dispositivos. | |
WO2010024619A3 (en) | Symbol mapping apparatus and method | |
WO2005013180A3 (en) | Digital authentication over acoustic channel | |
WO2009028819A3 (en) | Method for generating and transmitting channel quality indicator based on adjacent band selection scheme | |
IS7393A (is) | Aðferð til að draga makrólíð út úr lífmassa | |
AU2003267600A1 (en) | Gas generator | |
TW200603074A (en) | Audio coding device and method | |
TW200705824A (en) | Efficient decoding | |
WO2007112040A3 (en) | Method and system for generating electronic keys | |
TW200802317A (en) | Methods and apparatuses for generating parity symbols for data block |