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    Transparent linear optical transmission of passband and baseband electrical signals
    1.
    发明申请
    Transparent linear optical transmission of passband and baseband electrical signals 有权

    公开(公告)号：US20210367672A1

    公开(公告)日：2021-11-25

    申请号：US17202241

    申请日：2021-03-15

    Applicant: Technion Research and Development Foundation Ltd.

    Inventor： Moshe Nazarathy ,  Amos Agmon ,  Alexander Tolmachev

    IPC: H04B10/2575 ,  H04B10/532 ,  G02B6/293 ,  G02B6/28 ,  G02B6/42

    Abstract: An electro-optic system, the electro-optic system that may include an input port that is configured to receive a bandpass signal that conveys information; wherein the bandpass signal is a radio frequency (RF) signal; an optical carrier source that is configured to generate an optical carrier signal having an optical carrier frequency; at least one electrical bias circuit that is configured to generate at least one electrical bias signal; an electro-optic modulation circuit that is linear at the optical field; a manipulator that is configured to (a) receive the at least one electrical bias signal and the bandpass signal, (b) generate, based on the at least one electrical bias signal and the bandpass signal, at least one modulating signal; wherein the electro-optic modulation circuit is configured to modulate the optical carrier by the at least one modulating signal to provide an output optical signal that comprises at least one optical pilot tone and at least one optical sideband that conveys the information.

    SYSTEM AND METHOD FOR OFDM SYMBOL INTERLEAVING
    6.
    发明申请
    SYSTEM AND METHOD FOR OFDM SYMBOL INTERLEAVING 有权
    OFDM符号交互的系统和方法

    公开(公告)号：US20160006530A1

    公开(公告)日：2016-01-07

    申请号：US14790274

    申请日：2015-07-02

    Applicant: Technion Research and Development Foundation LTD.

    Inventor： Moshe Nazarathy ,  Amitay Bar ,  Aviv Shalom ,  Igor Tselniker

    IPC: H04J11/00 ,  H04L5/00 ,  H04B10/50 ,  H04L27/26

    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。

    OPTICAL NETWORK UNIT, OPTICAL ACCESS NETWORK AND A METHOD FOR EXCHANGING INFORMATION
    8.
    发明申请
    OPTICAL NETWORK UNIT, OPTICAL ACCESS NETWORK AND A METHOD FOR EXCHANGING INFORMATION 有权
    光网络单元，光接入网和交换信息的方法

    公开(公告)号：US20140270769A1

    公开(公告)日：2014-09-18

    申请号：US14207676

    申请日：2014-03-13

    Applicant: Technion Research and Development Foundation LTD.

    Inventor： Moshe Nazarathy ,  Amos Agmon

    IPC: H04J14/06

    CPC classification number: H04J14/06 ,  H04J14/0282

    Abstract: A method for exchanging information with an Optical Network Unit (ONU), the method comprising: receiving, by the ONU, downstream signals that comprise a pilot signal and downstream information signals; wherein the downstream information signals embed first polarization modulated information and second polarization modulated information; wherein the pilot signal is received at a pilot frequency slot and the downstream information signals are received at a downstream information frequency slot that differs from the pilot frequency slot; splitting the downstream signals to first, second, third and fourth sets of signals; wherein the splitting comprises performing a polarization based splitting to provide first and second intermediate sets of signals; wherein the first and second sets of signals originate from the first intermediate set of signals and the third and fourth sets of signals originate from the second intermediate set of signals; generating a fifth set of signals by providing the second and fourth sets of signals to a polarization changing circuit, wherein a polarization direction of the fifth set of signals differs from a polarization direction of the first and second intermediate sets of signals; generating first, second and third sets of detection signals, in response to the first, third and fifth sets of signals; and reconstructing the first polarization modulated information and the second polarization modulated information in response to the first, second and third sets of detection signals.

    Abstract translation: 一种用于与光网络单元（ONU）交换信息的方法，所述方法包括：由ONU接收包括导频信号和下行信息信号的下行信号; 其中下游信息信号嵌入第一偏振调制信息和第二偏振调制信息; 其中在导频时隙处接收导频信号，并且在与导频时隙不同的下行信息频率时隙处接收下行信息信号; 将下行信号分解为第一，第二，第三和第四组信号; 其中所述分割包括执行基于偏振的分割以提供第一和第二中间信号集合; 其中所述第一和第二组信号源自所述第一中间信号集合，并且所述第三和第四组信号源自所述第二中间信号集合; 通过将第二和第四组信号提供给偏振改变电路来产生第五组信号，其中第五组信号的偏振方向与第一和第二中间信号组的偏振方向不同; 响应于所述第一，第三和第五组信号产生第一，第二和第三组检测信号; 以及响应于所述第一，第二和第三组检测信号重构所述第一偏振调制信息和所述第二偏振调制信息。

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