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公开(公告)号：US09641258B2
公开(公告)日：2017-05-02
申请号：US14790014
申请日：2015-07-02
Inventor： Moshe Nazarathy , Igor Tselniker , Netta Sigron
CPC classification number: H04B10/613 , H04B10/612 , H04B10/6165 , H04J14/002 , H04L25/03019 , H04L27/0014 , H04L27/2331 , H04L27/38 , H04L2027/0024
Abstract: A receiver that may include a receiver front end arranged to receive (a) a received signal, (b) a reference signal generated by a local oscillator laser, and to output a first intermediate signal; a carrier phase estimator that is arranged to receive the first intermediate signal and to generate a phase estimation signal that represents a phase difference between the received signal and the reference signal; wherein the carrier phase estimator comprises a multi-symbol-differential-detection module and a carrier phase demodulator; and an output circuit arranged to receive the phase estimation signal and to apply a slicing operation to provide an output signal of the carrier phase estimator.
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Patent Agency Ranking
公开(公告)号：US09806837B2
公开(公告)日：2017-10-31
申请号：US14790274
申请日：2015-07-02
Inventor： Moshe Nazarathy , Amitay Bar , Aviv Shalom , Igor Tselniker
CPC classification number: H04J11/0023 , H04L1/0071 , H04L5/003 , H04L7/0016 , H04L27/2636 , H04L27/264 , H04L27/2649
Abstract: An orthogonal frequency division multiplexing (OFDM) transmitter that includes an encoder, an interleaver, a symbol processor; and a transmission module; wherein the encoder is configured to encode a superframe to provide an encoded superframe; wherein the encoded superframe comprises a sequence of encoded frames; wherein the interleaver is configured to allocate multiple frequency sub-bands to each encoded frame of the encoded superframe by assigning adjacent frequency sub-bands to successive symbols of each encoded frame; wherein the symbol processor is configured to generate, for each encoded frame and according to the assignment of the multiple frequency sub-bands, an intermediate set of symbols; and wherein the transmission module is configured to transmit simultaneously, for each encoded frame, OFDM symbols that represents the intermediate set of symbols.
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公开(公告)号：US20160006530A1
公开(公告)日：2016-01-07
申请号：US14790274
申请日：2015-07-02
Inventor： Moshe Nazarathy , Amitay Bar , Aviv Shalom , Igor Tselniker
CPC classification number: H04J11/0023 , H04L1/0071 , H04L5/003 , H04L7/0016 , H04L27/2636 , H04L27/264 , H04L27/2649
Abstract: An orthogonal frequency division multiplexing (OFDM) transmitter that includes an encoder, an interleaver, a symbol processor; and a transmission module; wherein the encoder is configured to encode a superframe to provide an encoded superframe; wherein the encoded superframe comprises a sequence of encoded frames; wherein the interleaver is configured to allocate multiple frequency sub-bands to each encoded frame of the encoded superframe by assigning adjacent frequency sub-bands to successive symbols of each encoded frame; wherein the symbol processor is configured to generate, for each encoded frame and according to the assignment of the multiple frequency sub-bands, an intermediate set of symbols; and wherein the transmission module is configured to transmit simultaneously, for each encoded frame, OFDM symbols that represents the intermediate set of symbols.
Abstract translation: 一种正交频分复用（OFDM）发射机，包括编码器，交织器，符号处理器; 和传输模块; 其中所述编码器被配置为对超帧进行编码以提供编码的超帧; 其中所述编码超帧包括编码帧序列; 其中所述交织器被配置为通过将相邻频率子带分配给每个编码帧的连续符号来将多个频率子带分配给所述编码超帧的每个编码帧; 其中所述符号处理器被配置为针对每个编码的帧并且根据所述多个频率子带的分配来生成中间符号集合; 并且其中所述传输模块被配置为针对每个编码的帧同时传送表示中间符号集的OFDM符号。
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公开(公告)号：US20150365174A1
公开(公告)日：2015-12-17
申请号：US14790014
申请日：2015-07-02
Inventor： Moshe Nazarathy , Igor Tselniker , Netta Sigron
CPC classification number: H04B10/613 , H04B10/612 , H04B10/6165 , H04J14/002 , H04L25/03019 , H04L27/0014 , H04L27/2331 , H04L27/38 , H04L2027/0024
Abstract: A receiver that may include a receiver front end, a polyphase de-multiplexor having multiple outputs; a polyphase multiplexor having multiple inputs; and a plurality of multi-symbol-differential-detection modules coupled between the multiple outputs of the polyphase de-multiplexor and the multiple inputs of the polyphase multiplexor.
Abstract translation: 可以包括接收器前端的接收器，具有多个输出的多相解复用器; 具有多个输入的多相多路复用器; 以及多个多符号差分检测模块，其耦合在多相解复用器的多个输出端和多相多路复用器的多个输入端之间。
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5.发明授权Polar multi-symbol delay detector for carrier phase and frequency recovery for coherent transmission 有权用于相干传输的载波相位和频率恢复的极坐标多符号延迟检测器公开(公告)号：US09059889B2
公开(公告)日：2015-06-16
申请号：US14203593
申请日：2014-03-11
Inventor： Moshe Nazarathy , Igor Tselniker , Alex Tolmachev
CPC classification number: H04L27/3872 , H04B10/61 , H04B10/611 , H04B10/6165 , H04B10/677 , H04L27/2071 , H04L27/227 , H04L27/38 , H04L27/3818 , H04L2027/0055 , H04L2027/0067 , H04L2203/00
Abstract: A method for calculating a reconstructed phase that includes: Calculating a current phase signal and current amplitude signal that represent a phase and amplitude of a current input symbol, respectively. Generating, in response to the current phase signal and an estimate of a phase of a last input symbol that preceded the current input symbol, multiple partial references, some of which are responsive to (i) phase signals representative of phases of a plurality of input symbols that preceded the current input symbol, and (ii) estimates of the phase of the plurality of input symbols. Calculating unwrapped partial references. Estimating a constant carrier frequency offset (CFO) phase rotation in response to the unwrapped partial references. Calculating a reconstructed phase of the current input symbol in response to, at least, the estimate of the constant CFO phase rotation and to the unwrapped partial references.
Abstract translation: 一种用于计算重构相位的方法，包括：分别计算表示当前输入符号的相位和幅度的当前相位信号和电流幅度信号。 响应于当前相位信号和对当前输入符号之前的最后输入符号的相位的估计，产生多个部分参考，其中一些部分参考响应于（i）代表多个输入的相位的相位信号 在当前输入符号之前的符号，以及（ii）多个输入符号的相位的估计。 计算未打包的部分引用。 响应于展开的部分参考，估计恒定的载波频率偏移（CFO）相位旋转。 至少响应于常数CFO相位旋转和未展开的部分参考的估计，计算当前输入符号的重构相位。
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6.发明申请POLAR MULTI-SYMBOL DELAY DETECTOR FOR CARRIER PHASE AND FREQUENCY RECOVERY FOR COHERENT TRANSMISSION 有权用于传输相位和频率恢复的极性多符号延迟检测器进行相互传输公开(公告)号：US20140254723A1
公开(公告)日：2014-09-11
申请号：US14203593
申请日：2014-03-11
Inventor： Moshe Nazarathy , Igor Tselniker , Alex Tolmachev
IPC: H04L27/38
CPC classification number: H04L27/3872 , H04B10/61 , H04B10/611 , H04B10/6165 , H04B10/677 , H04L27/2071 , H04L27/227 , H04L27/38 , H04L27/3818 , H04L2027/0055 , H04L2027/0067 , H04L2203/00
Abstract: A method for calculating a reconstructed phase that includes: Calculating a current phase signal and current amplitude signal that represent a phase and amplitude of a current input symbol, respectively. Generating, in response to the current phase signal and an estimate of a phase of a last input symbol that preceded the current input symbol, multiple partial references, some of which are responsive to (i) phase signals representative of phases of a plurality of input symbols that preceded the current input symbol, and (ii) estimates of the phase of the plurality of input symbols. Calculating unwrapped partial references. Estimating a constant carrier frequency offset (CFO) phase rotation in response to the unwrapped partial references. Calculating a reconstructed phase of the current input symbol in response to, at least, the estimate of the constant CFO phase rotation and to the unwrapped partial references.
Abstract translation: 一种用于计算重构相位的方法，包括：分别计算表示当前输入符号的相位和幅度的当前相位信号和电流幅度信号。 响应于当前相位信号和对当前输入符号之前的最后输入符号的相位的估计，产生多个部分参考，其中一些部分参考响应于（i）代表多个输入的相位的相位信号 在当前输入符号之前的符号，以及（ii）多个输入符号的相位的估计。 计算未打包的部分引用。 响应于展开的部分参考，估计恒定的载波频率偏移（CFO）相位旋转。 至少响应于常数CFO相位旋转和未展开的部分参考的估计，计算当前输入符号的重构相位。
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