CN102623067A - 用于基于闪存的存储器系统的软解码系统和方法 - Google Patents
用于基于闪存的存储器系统的软解码系统和方法 Download PDFInfo
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- CN102623067A CN102623067A CN2012100637097A CN201210063709A CN102623067A CN 102623067 A CN102623067 A CN 102623067A CN 2012100637097 A CN2012100637097 A CN 2012100637097A CN 201210063709 A CN201210063709 A CN 201210063709A CN 102623067 A CN102623067 A CN 102623067A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
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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
- H03M13/3707—Adaptive decoding and hybrid decoding, e.g. decoding methods or techniques providing more than one decoding algorithm for one code
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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
- H03M13/3738—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 with judging correct decoding
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
- G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
- G11C2029/0411—Online error correction
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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
- H03M13/1102—Codes on graphs and decoding on graphs, e.g. low-density parity check [LDPC] 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
- H03M13/03—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
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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
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory 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
- H03M13/37—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35
- H03M13/39—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes
- H03M13/41—Sequence estimation, i.e. using statistical methods for the reconstruction of the original codes using the Viterbi algorithm or Viterbi processors
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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
- H03M13/47—Error detection, forward error correction or error protection, not provided for in groups H03M13/01 - H03M13/37
- H03M13/51—Constant weight codes; n-out-of-m codes; Berger codes
Abstract
Description
Claims (20)
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US201161437518P | 2011-01-28 | 2011-01-28 | |
US61/437,518 | 2011-01-28 |
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CN102623067A true CN102623067A (zh) | 2012-08-01 |
CN102623067B CN102623067B (zh) | 2016-12-14 |
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CN201210063709.7A Active CN102623067B (zh) | 2011-01-28 | 2012-01-29 | 用于基于闪存的存储器系统的软解码系统和方法 |
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US (1) | US8812939B2 (zh) |
CN (1) | CN102623067B (zh) |
Cited By (3)
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CN105023613A (zh) * | 2014-04-22 | 2015-11-04 | 群联电子股份有限公司 | 解码方法、存储器存储装置及存储器控制电路单元 |
CN109508253A (zh) * | 2017-09-14 | 2019-03-22 | 爱思开海力士有限公司 | 错误校正电路、其操作方法以及包括其的数据存储装置 |
CN110275796A (zh) * | 2018-03-16 | 2019-09-24 | 爱思开海力士有限公司 | 具有混合解码方案的存储器系统及其操作方法 |
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TWI594256B (zh) | 2010-04-19 | 2017-08-01 | 慧榮科技股份有限公司 | 用來進行記憶體存取管理之方法以及記憶裝置及其控制器 |
US11869584B2 (en) | 2010-04-19 | 2024-01-09 | Silicon Motion, Inc. | Memory access module for performing a plurality of sensing operations to generate digital values of a storage cell in order to perform decoding of the storage cell |
US10797728B1 (en) | 2012-07-25 | 2020-10-06 | Marvell Asia Pte, Ltd. | Systems and methods for diversity bit-flipping decoding of low-density parity-check codes |
CN103839594A (zh) * | 2012-11-27 | 2014-06-04 | 建兴电子科技股份有限公司 | 固态储存装置及其联合编解码方法 |
US9065483B2 (en) | 2013-01-21 | 2015-06-23 | Micron Technology, Inc. | Determining soft data using a classification code |
US9229848B2 (en) | 2013-01-21 | 2016-01-05 | Micron Technology, Inc. | Determining soft data for fractional digit memory cells |
US9362954B1 (en) * | 2013-03-15 | 2016-06-07 | Seagate Technology Llc | Digital communications channel |
US9344117B2 (en) * | 2013-03-15 | 2016-05-17 | Mellanox Technologies, Ltd. | Methods and systems for error-correction decoding |
US9467170B2 (en) * | 2013-05-17 | 2016-10-11 | Marvell World Trade Ltd. | NAND flash memory systems with efficient soft information interface |
US9201729B2 (en) | 2013-10-21 | 2015-12-01 | Seagate Technology, Llc | Systems and methods for soft data utilization in a solid state memory system |
US9553608B2 (en) | 2013-12-20 | 2017-01-24 | Sandisk Technologies Llc | Data storage device decoder and method of operation |
KR102110767B1 (ko) * | 2013-12-24 | 2020-06-09 | 삼성전자 주식회사 | 메모리 컨트롤러 구동방법 및 메모리 컨트롤러 |
TWI541819B (zh) | 2013-12-30 | 2016-07-11 | 慧榮科技股份有限公司 | 用來進行錯誤更正之方法、記憶裝置、與控制器 |
TWI523018B (zh) | 2013-12-31 | 2016-02-21 | 群聯電子股份有限公司 | 解碼方法、記憶體儲存裝置、記憶體控制電路單元 |
US10084481B2 (en) | 2014-12-18 | 2018-09-25 | Apple Inc. | GLDPC soft decoding with hard decision inputs |
US9647694B2 (en) | 2014-12-28 | 2017-05-09 | International Business Machines Corporation | Diagonal anti-diagonal memory structure |
CN104575617B (zh) * | 2015-01-06 | 2017-06-27 | 北京大学 | 赛道存储位置错误纠正码的编码方法和纠错方法 |
TWI562152B (en) * | 2015-05-29 | 2016-12-11 | Phison Electronics Corp | Decoding method, memory storage device and memory control circuit unit |
US9792176B2 (en) | 2015-11-13 | 2017-10-17 | Samsung Electronics Co., Ltd. | Method and apparatus for encoding and decoding data in memory system |
CN107070592B (zh) * | 2017-02-08 | 2020-05-08 | 扬智科技股份有限公司 | 混合译码方法及其高速以太网络接收器 |
JP6957392B2 (ja) * | 2018-03-15 | 2021-11-02 | キオクシア株式会社 | メモリシステム |
CN113364471B (zh) * | 2020-03-05 | 2024-04-12 | 华为技术有限公司 | 一种译码系统、译码控制器及译码控制的方法 |
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US7823043B2 (en) * | 2006-05-10 | 2010-10-26 | Sandisk Il Ltd. | Corruption-resistant data porting with multiple error correction schemes |
US8327234B2 (en) * | 2009-02-27 | 2012-12-04 | Research In Motion Limited | Code block reordering prior to forward error correction decoding based on predicted code block reliability |
US8497787B2 (en) | 2010-11-12 | 2013-07-30 | Marvell World Trade Ltd. | Systems and methods for performing efficient decoding using a hybrid decoder |
US9048876B2 (en) * | 2011-11-18 | 2015-06-02 | Sandisk Enterprise Ip Llc | Systems, methods and devices for multi-tiered error correction |
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US6658605B1 (en) * | 1999-11-05 | 2003-12-02 | Mitsubishi Denki Kabushiki Kaisha | Multiple coding method and apparatus, multiple decoding method and apparatus, and information transmission system |
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CN105023613A (zh) * | 2014-04-22 | 2015-11-04 | 群联电子股份有限公司 | 解码方法、存储器存储装置及存储器控制电路单元 |
CN105023613B (zh) * | 2014-04-22 | 2019-06-14 | 群联电子股份有限公司 | 解码方法、存储器存储装置及存储器控制电路单元 |
CN109508253A (zh) * | 2017-09-14 | 2019-03-22 | 爱思开海力士有限公司 | 错误校正电路、其操作方法以及包括其的数据存储装置 |
CN109508253B (zh) * | 2017-09-14 | 2022-07-29 | 爱思开海力士有限公司 | 错误校正电路、其操作方法以及包括其的数据存储装置 |
CN110275796A (zh) * | 2018-03-16 | 2019-09-24 | 爱思开海力士有限公司 | 具有混合解码方案的存储器系统及其操作方法 |
CN110275796B (zh) * | 2018-03-16 | 2023-08-08 | 爱思开海力士有限公司 | 具有混合解码方案的存储器系统及其操作方法 |
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US8812939B2 (en) | 2014-08-19 |
CN102623067B (zh) | 2016-12-14 |
US20120198314A1 (en) | 2012-08-02 |
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Effective date of registration: 20200426 Address after: Singapore City Patentee after: Marvell Asia Pte. Ltd. Address before: Ford street, Grand Cayman, Cayman Islands Patentee before: Kaiwei international Co. Effective date of registration: 20200426 Address after: Ford street, Grand Cayman, Cayman Islands Patentee after: Kaiwei international Co. Address before: Hamilton, Bermuda Patentee before: Marvell International Ltd. Effective date of registration: 20200426 Address after: Hamilton, Bermuda Patentee after: Marvell International Ltd. Address before: Babado J San Mega Le Patentee before: MARVELL WORLD TRADE Ltd. |
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