CN110024297A - 低密度奇偶校验解码器中的用于基于对数似然比的动态预处理选择方案的系统和方法 - Google Patents
低密度奇偶校验解码器中的用于基于对数似然比的动态预处理选择方案的系统和方法 Download PDFInfo
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- CN110024297A CN110024297A CN201780073513.7A CN201780073513A CN110024297A CN 110024297 A CN110024297 A CN 110024297A CN 201780073513 A CN201780073513 A CN 201780073513A CN 110024297 A CN110024297 A CN 110024297A
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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
- H04L1/0045—Arrangements at the receiver end
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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
- H03M13/11—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
- H03M13/1105—Decoding
- H03M13/1111—Soft-decision decoding, e.g. by means of message passing or belief propagation algorithms
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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
- H03M13/3723—Decoding methods or techniques, not specific to the particular type of coding provided for in groups H03M13/03 - H03M13/35 using means or methods for the initialisation of the decoder
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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
- H03M13/61—Aspects and characteristics of methods and arrangements for error correction or error detection, not provided for otherwise
- H03M13/612—Aspects specific to channel or signal-to-noise ratio estimation
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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
- H03M13/6325—Error control coding in combination with demodulation
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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
- H03M13/65—Purpose and implementation aspects
- H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
- H03M13/658—Scaling by multiplication or division
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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
- H03M13/65—Purpose and implementation aspects
- H03M13/6577—Representation or format of variables, register sizes or word-lengths and quantization
- H03M13/6594—Non-linear quantization
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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
- H04L1/0045—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
- H04L1/0051—Stopping criteria
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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
- H04L1/0057—Block codes
- H04L1/0058—Block-coded modulation
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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
- H04L1/0061—Error detection codes
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Probability & Statistics with Applications (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Nonlinear Science (AREA)
- Error Detection And Correction (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201662408408P | 2016-10-14 | 2016-10-14 | |
US62/408,408 | 2016-10-14 | ||
PCT/IB2017/001393 WO2018069767A1 (en) | 2016-10-14 | 2017-10-13 | Systems and methods for a log-likelihood ratio based dynamic pre-processing selection scheme in a low-density parity-check decoder |
Publications (2)
Publication Number | Publication Date |
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CN110024297A true CN110024297A (zh) | 2019-07-16 |
CN110024297B CN110024297B (zh) | 2023-07-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201780073513.7A Active CN110024297B (zh) | 2016-10-14 | 2017-10-13 | 低密度奇偶校验解码器中的用于基于对数似然比的动态预处理选择方案的系统和方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10341053B2 (zh) |
CN (1) | CN110024297B (zh) |
DE (1) | DE112017005181T5 (zh) |
WO (1) | WO2018069767A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10706516B2 (en) * | 2016-09-16 | 2020-07-07 | Flir Systems, Inc. | Image processing using histograms |
US10879928B2 (en) | 2016-10-24 | 2020-12-29 | Marvell Asia Pte, Ltd. | Scaling of log-likelihood ratios (LLR) based on long training field (LTF) |
US10707993B2 (en) * | 2018-08-23 | 2020-07-07 | Sr Technologies, Inc. | Blind detection and synchronization of data packets |
CN109831215B (zh) * | 2019-01-21 | 2023-07-14 | 湖南国科微电子股份有限公司 | 对数似然比计算装置与方法 |
US10784899B2 (en) * | 2019-01-23 | 2020-09-22 | Nxp Usa, Inc. | Method and apparatus for determining scaling factors in fixed-point decoder |
US10790872B1 (en) | 2019-03-25 | 2020-09-29 | General Dynamics Mission Systems, Inc. | Cooperative broadcast multi-hop network that employs broadcast flood routing and multi-hop transmission using a direct-sequence spread-spectrum (DSSS) waveform with cooperative beamforming and adaptive space-spectrum whitening |
CN110866689B (zh) * | 2019-11-12 | 2024-03-08 | 马越 | 一种空间扫描统计量中选择最大扫描窗口的方法 |
Citations (5)
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CN101785188A (zh) * | 2007-08-31 | 2010-07-21 | 松下电器产业株式会社 | 解码方法、解码装置、交织方法以及发送装置 |
TW201423748A (zh) * | 2012-10-22 | 2014-06-16 | Apple Inc | 在讀取臨限值錯誤的存在下從類比記憶體胞之軟讀出 |
CN105846951A (zh) * | 2015-01-30 | 2016-08-10 | 恩智浦有限公司 | 对数似然比的非均匀量化 |
CN105978578A (zh) * | 2016-04-29 | 2016-09-28 | 清华大学 | 低密度奇偶校验码和积译码运算数值的非均匀量化方法 |
US9461671B1 (en) * | 2011-10-10 | 2016-10-04 | Marvell International Ltd. | Method and apparatus for power conservation in LDPC decoding |
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US6966024B2 (en) * | 2002-12-31 | 2005-11-15 | Motorola, Inc. | Method and device for adaptive quantization of soft bits |
US7876860B1 (en) * | 2006-08-24 | 2011-01-25 | Marvell International Ltd. | Enhancements of soft decoders and detectors on asymmetric channels |
US8234556B2 (en) * | 2008-12-30 | 2012-07-31 | Intel Corporation | Broadcast receiver and method for optimizing a scale factor for a log-likelihood mapper |
US8286048B1 (en) * | 2008-12-30 | 2012-10-09 | Qualcomm Atheros, Inc. | Dynamically scaled LLR for an LDPC decoder |
US9489257B2 (en) * | 2014-09-28 | 2016-11-08 | Apple Inc. | Correcting soft reliability measures of storage values read from memory cells |
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2017
- 2017-10-13 US US15/783,314 patent/US10341053B2/en active Active
- 2017-10-13 DE DE112017005181.9T patent/DE112017005181T5/de active Pending
- 2017-10-13 CN CN201780073513.7A patent/CN110024297B/zh active Active
- 2017-10-13 WO PCT/IB2017/001393 patent/WO2018069767A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101785188A (zh) * | 2007-08-31 | 2010-07-21 | 松下电器产业株式会社 | 解码方法、解码装置、交织方法以及发送装置 |
US9461671B1 (en) * | 2011-10-10 | 2016-10-04 | Marvell International Ltd. | Method and apparatus for power conservation in LDPC decoding |
TW201423748A (zh) * | 2012-10-22 | 2014-06-16 | Apple Inc | 在讀取臨限值錯誤的存在下從類比記憶體胞之軟讀出 |
CN105846951A (zh) * | 2015-01-30 | 2016-08-10 | 恩智浦有限公司 | 对数似然比的非均匀量化 |
CN105978578A (zh) * | 2016-04-29 | 2016-09-28 | 清华大学 | 低密度奇偶校验码和积译码运算数值的非均匀量化方法 |
Also Published As
Publication number | Publication date |
---|---|
WO2018069767A8 (en) | 2018-06-21 |
US20180109354A1 (en) | 2018-04-19 |
WO2018069767A1 (en) | 2018-04-19 |
US10341053B2 (en) | 2019-07-02 |
CN110024297B (zh) | 2023-07-18 |
DE112017005181T5 (de) | 2019-07-04 |
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