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公开(公告)号:US09313059B2
公开(公告)日:2016-04-12
申请号:US14132648
申请日:2013-12-18
Applicant: QUALCOMM Incorporated
Inventor: Maxim Gotman , Ronen Greenberger , Ziv Alina
CPC classification number: H04J9/00 , H04B14/002 , H04L1/0003 , H04L1/0016 , H04L1/005 , H04L1/0086 , H04L5/005 , H04L5/006 , H04L25/067 , H04L27/0008 , H04L27/22 , H04L27/38 , H04L2027/003 , H04L2027/0055 , H04L2027/0067 , H04L2027/0085 , H04W72/082 , Y02D50/10
Abstract: Methods, systems, and devices are described for mitigating an unwanted increase in a coding rate of a wireless communication signal. A plurality of symbols including a transmitted codeword is received. The plurality of symbols including a first group of data symbols with a first modulation and coding scheme and a second group of data modulated pilot symbols with a second modulation and coding scheme. Applicable demodulation schemes are adaptively switched for each group of the plurality of symbols. The second group of data modulated pilot symbols are used in lieu of pilot symbols. The second modulation and coding scheme is a more reliable modulation and coding scheme than the first modulation and coding scheme.
Abstract translation: 描述了用于减轻无线通信信号的编码率的不期望的增加的方法,系统和设备。 接收包括发送码字的多个符号。 所述多个符号包括具有第一调制和编码方案的第一组数据符号和具有第二调制和编码方案的第二组数据调制导频符号。 适用的解调方案针对多个符号中的每一组自适应地切换。 使用第二组数据调制导频符号来代替导频符号。 第二调制和编码方案是比第一调制和编码方案更可靠的调制和编码方案。
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公开(公告)号:US09137065B2
公开(公告)日:2015-09-15
申请号:US14132637
申请日:2013-12-18
Applicant: QUALCOMM Incorporated
Inventor: Maxim Gotman , Ziv Alina
IPC: H04L27/156 , H04L1/00 , H04L1/20
CPC classification number: H04L27/156 , H04L1/005 , H04L1/205
Abstract: Methods, systems, and devices are described for mitigating phase noise. An output of a decoder is utilized to generate an estimation of a plurality of transmitted symbols. One or more phase errors of a plurality of received symbols are generated. The one or more phase errors are based at least in part on the estimation of the plurality of transmitted symbols. The one or more phase errors are generated by comparing angles between the plurality of received symbols and the estimation of the plurality of transmitted symbols. The output of the decoder used to generate the estimation is a plurality of a posteriori log-likelihood ratios (LLRs) of a plurality of transmitted bits. The estimation is generated by performing hard decision decoding on the output of the decoder and remodulating the hard decision decoding according to the modulation used by a transmitter on the plurality of transmitted bits.
Abstract translation: 描述了减轻相位噪声的方法,系统和设备。 利用解码器的输出来生成多个发送符号的估计。 生成多个接收符号的一个或多个相位误差。 一个或多个相位误差至少部分地基于多个发射符号的估计。 通过比较多个接收符号之间的角度和多个发射符号的估计来产生一个或多个相位误差。 用于生成估计的解码器的输出是多个发送比特的多个后验对数似然比(LLR)。 通过对解码器的输出执行硬判决解码并根据发送器在多个发送位上使用的调制来重新调制硬判决解码来产生估计。
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3.
公开(公告)号:US20160204888A1
公开(公告)日:2016-07-14
申请号:US15074213
申请日:2016-03-18
Applicant: QUALCOMM Incorporated
Inventor: Maxim Gotman , Ronen Greenberger , Ziv Alina
CPC classification number: H04J9/00 , H04B14/002 , H04L1/0003 , H04L1/0016 , H04L1/005 , H04L1/0086 , H04L5/005 , H04L5/006 , H04L25/067 , H04L27/0008 , H04L27/22 , H04L27/38 , H04L2027/003 , H04L2027/0055 , H04L2027/0067 , H04L2027/0085 , H04W72/082 , Y02D50/10
Abstract: Methods, systems, and devices are described for mitigating an unwanted increase in a coding rate of a wireless communication signal. A plurality of symbols including a transmitted codeword is received. The plurality of symbols including a first group of data symbols with a first modulation and coding scheme and a second group of data modulated pilot symbols with a second modulation and coding scheme. Applicable demodulation schemes are adaptively switched for each group of the plurality of symbols. The second group of data modulated pilot symbols are used in lieu of pilot symbols. The second modulation and coding scheme is a more reliable modulation and coding scheme than the first modulation and coding scheme.
Abstract translation: 描述了用于减轻无线通信信号的编码率的不期望的增加的方法,系统和设备。 接收包括发送码字的多个符号。 所述多个符号包括具有第一调制和编码方案的第一组数据符号和具有第二调制和编码方案的第二组数据调制导频符号。 适用的解调方案针对多个符号中的每一组自适应地切换。 使用第二组数据调制导频符号来代替导频符号。 第二调制和编码方案是比第一调制和编码方案更可靠的调制和编码方案。
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4.
公开(公告)号:US20140177762A1
公开(公告)日:2014-06-26
申请号:US14132648
申请日:2013-12-18
Applicant: Qualcomm Incorporated
Inventor: Maxim Gotman , Ronen Greenberger , Ziv Alina
IPC: H04L27/16
CPC classification number: H04J9/00 , H04B14/002 , H04L1/0003 , H04L1/0016 , H04L1/005 , H04L1/0086 , H04L5/005 , H04L5/006 , H04L25/067 , H04L27/0008 , H04L27/22 , H04L27/38 , H04L2027/003 , H04L2027/0055 , H04L2027/0067 , H04L2027/0085 , H04W72/082 , Y02D50/10
Abstract: Methods, systems, and devices are described for mitigating an unwanted increase in a coding rate of a wireless communication signal. A plurality of symbols including a transmitted codeword is received. The plurality of symbols including a first group of data symbols with a first modulation and coding scheme and a second group of data modulated pilot symbols with a second modulation and coding scheme. Applicable demodulation schemes are adaptively switched for each group of the plurality of symbols. The second group of data modulated pilot symbols are used in lieu of pilot symbols. The second modulation and coding scheme is a more reliable modulation and coding scheme than the first modulation and coding scheme.
Abstract translation: 描述了用于减轻无线通信信号的编码率的不期望的增加的方法,系统和设备。 接收包括发送码字的多个符号。 所述多个符号包括具有第一调制和编码方案的第一组数据符号和具有第二调制和编码方案的第二组数据调制导频符号。 适用的解调方案针对多个符号中的每一组自适应地切换。 使用第二组数据调制导频符号来代替导频符号。 第二调制和编码方案是比第一调制和编码方案更可靠的调制和编码方案。
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公开(公告)号:US09813177B2
公开(公告)日:2017-11-07
申请号:US15074213
申请日:2016-03-18
Applicant: QUALCOMM Incorporated
Inventor: Maxim Gotman , Ronen Greenberger , Ziv Alina
IPC: H04J9/00 , H04L27/00 , H04B14/00 , H04L5/00 , H04W72/08 , H04L25/06 , H04L1/00 , H04L27/22 , H04L27/38
CPC classification number: H04J9/00 , H04B14/002 , H04L1/0003 , H04L1/0016 , H04L1/005 , H04L1/0086 , H04L5/005 , H04L5/006 , H04L25/067 , H04L27/0008 , H04L27/22 , H04L27/38 , H04L2027/003 , H04L2027/0055 , H04L2027/0067 , H04L2027/0085 , H04W72/082 , Y02D50/10
Abstract: Methods, systems, and devices are described for mitigating an unwanted increase in a coding rate of a wireless communication signal. A plurality of symbols including a transmitted codeword is received. The plurality of symbols including a first group of data symbols with a first modulation and coding scheme and a second group of data modulated pilot symbols with a second modulation and coding scheme. Applicable demodulation schemes are adaptively switched for each group of the plurality of symbols. The second group of data modulated pilot symbols are used in lieu of pilot symbols. The second modulation and coding scheme is a more reliable modulation and coding scheme than the first modulation and coding scheme.
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公开(公告)号:US20140177765A1
公开(公告)日:2014-06-26
申请号:US14132637
申请日:2013-12-18
Applicant: Qualcomm Incorporated
Inventor: Maxim Gotman , Ziv Alina
IPC: H04L27/156
CPC classification number: H04L27/156 , H04L1/005 , H04L1/205
Abstract: Methods, systems, and devices are described for mitigating phase noise. An output of a decoder is utilized to generate an estimation of a plurality of transmitted symbols. One or more phase errors of a plurality of received symbols are generated. The one or more phase errors are based at least in part on the estimation of the plurality of transmitted symbols. The one or more phase errors are generated by comparing angles between the plurality of received symbols and the estimation of the plurality of transmitted symbols. The output of the decoder used to generate the estimation is a plurality of a posteriori log-likelihood ratios (LLRs) of a plurality of transmitted bits. The estimation is generated by performing hard decision decoding on the output of the decoder and remodulating the hard decision decoding according to the modulation used by a transmitter on the plurality of transmitted bits.
Abstract translation: 描述了减轻相位噪声的方法,系统和设备。 利用解码器的输出来生成多个发送符号的估计。 生成多个接收符号的一个或多个相位误差。 一个或多个相位误差至少部分地基于多个发射符号的估计。 通过比较多个接收符号之间的角度和多个发射符号的估计来产生一个或多个相位误差。 用于生成估计的解码器的输出是多个发送比特的多个后验对数似然比(LLR)。 通过对解码器的输出执行硬判决解码并根据发送器在多个发送位上使用的调制来重新调制硬判决解码来产生估计。
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