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1.发明申请METHOD AND DEVICE FOR MEASURING THE CURRENT SIGNAL-TO-NOISE RATIO WHEN DECODING LDPC CODES 有权解码LDPC码时测量电流信号噪声比的方法和装置公开(公告)号：US20150117505A1
公开(公告)日：2015-04-30
申请号：US14331175
申请日：2014-07-14
Applicant: Topcon Positioning Systems, Inc.
Inventor： Nikolay Vazhenin , Andrey Veitsel , Ivan Kirianov
CPC classification number: H03M13/612 , H03M13/1111 , H03M13/33 , H04B17/336 , H04L1/005 , H04L1/0057 , H04L1/0061 , H04L1/0063 , H04L1/20
Abstract: A method for measuring a signal-to-noise ratio when decoding Low Density Parity Check (LDPC) codes is provided. The method includes receiving from an input of a demodulator an input code word with “strong” or “weak” solutions, decoding the input code word in a LDPC decoder using a predetermined dependence of a mean number of iterations on the signal-to-noise ratio, recording a number of iterations performed during the decoding of the input code word, averaging derived values of the number of iterations for a specified time interval, estimating a signal-to-noise ratio based on averaged derived values of the number of iterations and based on the predetermined dependence of the mean number of iterations on the signal-to-noise ratio, and generating an output decoded code word.
Abstract translation: 提供了一种在解码低密度奇偶校验（LDPC）码时测量信噪比的方法。 该方法包括从解调器的输入端接收具有“强”或“弱”解的输入码字，使用平均迭代次数对信号噪声的预定依赖性对LDPC解码器中的输入码字进行解码 记录在输入代码字的解码期间执行的迭代次数，平均在特定时间间隔内的迭代次数的导出值，基于迭代次数的平均导出值估计信噪比，以及 基于平均迭代次数对信噪比的预定依赖性，并且生成输出解码码字。
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2.发明申请METHOD AND DEVICE FOR MEASURING THE CURRENT SIGNAL-TO-NOISE RATIO WHEN DECODING LDPC CODES 有权解码LDPC码时测量电流信号噪声比的方法和装置公开(公告)号：US20170041027A1
公开(公告)日：2017-02-09
申请号：US15296650
申请日：2016-10-18
Applicant: Topcon Positioning Systems, Inc.
Inventor： Nikolay Vazhenin , Andrey Veitsel , Ivan Kirianov
IPC: H03M13/00 , H03M13/33 , H03M13/11 , H04B17/336 , H04L1/00
CPC classification number: H03M13/612 , H03M13/1111 , H03M13/33 , H04B17/336 , H04L1/005 , H04L1/0057 , H04L1/0061 , H04L1/0063 , H04L1/20
Abstract: A method for measuring a signal-to-noise ratio when decoding Low Density Parity Check (LDPC) codes is provided. The method includes receiving from an input of a demodulator an input code word with “strong” or “weak” solutions, decoding the input code word in a LDPC decoder using a predetermined dependence of a mean number of iterations on the signal-to-noise ratio, recording a number of iterations performed during the decoding of the input code word, averaging derived values of the number of iterations for a specified time interval, estimating a signal-to-noise ratio based on averaged derived values of the number of iterations and based on the predetermined dependence of the mean number of iterations on the signal-to-noise ratio, and generating an output decoded code word.
Abstract translation: 提供了一种在解码低密度奇偶校验（LDPC）码时测量信噪比的方法。 该方法包括从解调器的输入端接收具有“强”或“弱”解的输入码字，使用平均迭代次数对信号噪声的预定依赖性对LDPC解码器中的输入码字进行解码 记录在输入代码字的解码期间执行的迭代次数，平均在特定时间间隔内的迭代次数的导出值，基于迭代次数的平均导出值估计信噪比，以及 基于平均迭代次数对信噪比的预定依赖性，并且生成输出解码码字。
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3.发明授权Method and device for measuring the current signal-to-noise ratio when decoding LDPC codes 有权用于在解码LDPC码时测量当前信噪比的方法和装置公开(公告)号：US09503219B2
公开(公告)日：2016-11-22
申请号：US14331175
申请日：2014-07-14
Applicant: Topcon Positioning Systems, Inc.
Inventor： Nikolay Vazhenin , Andrey Veitsel , Ivan Kirianov
IPC: H03M13/00 , H04L1/00 , H04L1/20 , H03M13/11 , H04B17/336
CPC classification number: H03M13/612 , H03M13/1111 , H03M13/33 , H04B17/336 , H04L1/005 , H04L1/0057 , H04L1/0061 , H04L1/0063 , H04L1/20
Abstract: A method for measuring a signal-to-noise ratio when decoding Low Density Parity Check (LDPC) codes is provided. The method includes receiving from an input of a demodulator an input code word with “strong” or “weak” solutions, decoding the input code word in a LDPC decoder using a predetermined dependence of a mean number of iterations on the signal-to-noise ratio, recording a number of iterations performed during the decoding of the input code word, averaging derived values of the number of iterations for a specified time interval, estimating a signal-to-noise ratio based on averaged derived values of the number of iterations and based on the predetermined dependence of the mean number of iterations on the signal-to-noise ratio, and generating an output decoded code word.
Abstract translation: 提供了一种在解码低密度奇偶校验（LDPC）码时测量信噪比的方法。 该方法包括从解调器的输入端接收具有“强”或“弱”解的输入码字，使用平均迭代次数对信号噪声的预定依赖性对LDPC解码器中的输入码字进行解码 记录在输入代码字的解码期间执行的迭代次数，平均在特定时间间隔内的迭代次数的导出值，基于迭代次数的平均导出值估计信噪比，以及 基于平均迭代次数对信噪比的预定依赖性，并且生成输出解码码字。
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4.发明授权公开(公告)号：US09793928B2
公开(公告)日：2017-10-17
申请号：US15296650
申请日：2016-10-18
Applicant: Topcon Positioning Systems, Inc.
Inventor： Nikolay Vazhenin , Andrey Veitsel , Ivan Kirianov
CPC classification number: H03M13/612 , H03M13/1111 , H03M13/33 , H04B17/336 , H04L1/005 , H04L1/0057 , H04L1/0061 , H04L1/0063 , H04L1/20
Abstract: A method for measuring a signal-to-noise ratio when decoding Low Density Parity Check (LDPC) codes is provided. The method includes receiving from an input of a demodulator an input code word with “strong” or “weak” solutions, decoding the input code word in a LDPC decoder using a predetermined dependence of a mean number of iterations on the signal-to-noise ratio, recording a number of iterations performed during the decoding of the input code word, averaging derived values of the number of iterations for a specified time interval, estimating a signal-to-noise ratio based on averaged derived values of the number of iterations and based on the predetermined dependence of the mean number of iterations on the signal-to-noise ratio, and generating an output decoded code word.
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