SYSTEM AND METHOD FOR CYCLE SLIP CORRECTION
    1.
    发明申请
    SYSTEM AND METHOD FOR CYCLE SLIP CORRECTION 有权
    循环滑移校正的系统和方法

    公开(公告)号:US20140281832A1

    公开(公告)日:2014-09-18

    申请号:US13833667

    申请日:2013-03-15

    Abstract: A system and method including a parity bit encoder for encoding each n bits of data to be transmitted with a parity check bit to produce blocks of n+1 bits (n information bits plus one parity bit associated with the n information bits). Each of the blocks of n+1 bits are Gray mapped to a plurality of associated QAM symbols that are modulated onto an optical wavelength and transmitted to a receiver. A maximum a posteriori (MAP) decoder is used at the receiver to correct for cycle slip. Phase errors of 180 degrees may be detected by independently encoding odd and even bits prior to Gray mapping, and identifying errors in decoding odd numbered bits at the receiver.

    Abstract translation: 一种系统和方法,包括奇偶校验位编码器,用于编码要用奇偶校验位发送的每个n位数据,以产生n + 1位(n个信息位加上与n个信息位相关联的一个奇偶校验位)的块。 n + 1位的每个块被灰色映射到被调制到光波长并被发送到接收器的多个相关QAM符号。 在接收器处使用最大后验(MAP)解码器来校正循环滑移。 180度的相位误差可以通过在灰度映射之前独立地编码奇数和偶数位来检测,并且识别在接收器处解码奇数比特中的错误。

    SPATIAL DIVISION MULTIPLEXING IN LIMITED POWER OPTICAL COMMUNICATION SYSTEMS
    4.
    发明申请
    SPATIAL DIVISION MULTIPLEXING IN LIMITED POWER OPTICAL COMMUNICATION SYSTEMS 有权
    有限功率光通信系统中的空间分割多路复用

    公开(公告)号:US20160072587A1

    公开(公告)日:2016-03-10

    申请号:US14480929

    申请日:2014-09-09

    CPC classification number: H04B10/564 H04B10/2581 H04J14/0221 H04J14/04

    Abstract: This spatial division multiplexing (SDM) in power-limited optical communication systems. In general, an SDM optical transmission system may be configured to increase data capacity over the data capacity of a non-SDM optical transmission system while maintaining power consumption at or below that of the existing non-SDM optical transmission system. To realize such an improvement in performance without increasing power consumption, an example SDM optical transmission may be constructed by reducing system bandwidth, reducing and/or altering equipment for filtering, reducing optical amplifier spacing, reducing operational amplifier power consumption, etc. In this manner, increased data transmission performance may be realized even where available power may be strictly limited.

    Abstract translation: 功率限制光通信系统中的空分复用(SDM)。 通常,SDM光传输系统可以被配置为在保持与现有的非SDM光传输系统的功率消耗的情况下相比,在非SDM光传输系统的数据容量上增加数据容量。 为了在不增加功耗的情况下实现性能的提高,可以通过降低系统带宽,减少和/或改变用于滤波的设备,减少光放大器间隔,降低运算放大器功耗等来构建示例SDM光传输。以这种方式 即使可以严格限制可用功率,也可以实现增加的数据传输性能。

    Coded Modulation for Small Step-Size Variable Spectral Efficiency
    7.
    发明申请
    Coded Modulation for Small Step-Size Variable Spectral Efficiency 有权
    小步长可变光谱效率的编码调制

    公开(公告)号:US20150071640A1

    公开(公告)日:2015-03-12

    申请号:US14102990

    申请日:2013-12-11

    Abstract: A system and method involving a coded modulation scheme whereby different spectral efficiencies can be achieved for different transmitters in a WDM system using the same M2-QAM modulation format. A maximum achievable spectral efficiency for the transmitters may be selected and a spectral efficiency step-size of the maximum achievable spectral efficiency may be specified. The spectral efficiency for any transmitter in the system may be individually selected by reducing its spectral efficiency from the maximum achievable spectral efficiencies by a selected number of steps corresponding to the step size.

    Abstract translation: 一种涉及编码调制方案的系统和方法,其中使用相同的M2-QAM调制格式的WDM系统中的不同发射机可以实现不同的频谱效率。 可以选择发射机的最大可实现的频谱效率,并且可以规定最大可实现频谱效率的频谱效率步长。 系统中任何发射机的频谱效率可以通过从最大可达到的频谱效率通过对应于步长的选定数量的步骤来降低其频谱效率来单独选择。

    System and method using cascaded single partity check coding
    8.
    发明授权
    System and method using cascaded single partity check coding 有权
    使用级联单体检查编码的系统和方法

    公开(公告)号:US09407398B2

    公开(公告)日:2016-08-02

    申请号:US14020861

    申请日:2013-09-08

    Abstract: A system and method including a parity bit encoder for encoding each n−3 bits of data to be transmitted with three parity check bits to produce blocks of n bits (n−3 information bits plus three parity bits associated with the n information bits). Each of the blocks of n bits are Gray mapped to three QAM symbols that are modulated onto an optical wavelength and transmitted to a receiver. A maximum a posteriori (MAP) decoder is used at the receiver to correct for cycle slip.

    Abstract translation: 一种系统和方法,包括奇偶校验位编码器,用于编码要用三个奇偶校验位发送的每个n-3位数据,以产生n位块(n-3个信息位加上与n个信息位相关联的三个奇偶校验位)的块。 n位的每个块被灰色映射到被调制到光学波长上并被发送到接收器的三个QAM符号。 在接收器处使用最大后验(MAP)解码器来校正循环滑移。

    Coded modulation for small step-size variable spectral efficiency
    9.
    发明授权
    Coded modulation for small step-size variable spectral efficiency 有权
    小步长可变频谱效率的编码调制

    公开(公告)号:US09337935B2

    公开(公告)日:2016-05-10

    申请号:US14102990

    申请日:2013-12-11

    Abstract: A system and method involving a coded modulation scheme whereby different spectral efficiencies can be achieved for different transmitters in a WDM system using the same M2-QAM modulation format. A maximum achievable spectral efficiency for the transmitters may be selected and a spectral efficiency step-size of the maximum achievable spectral efficiency may be specified. The spectral efficiency for any transmitter in the system may be individually selected by reducing its spectral efficiency from the maximum achievable spectral efficiencies by a selected number of steps corresponding to the step size.

    Abstract translation: 一种涉及编码调制方案的系统和方法,其中使用相同的M2-QAM调制格式的WDM系统中的不同发射机可以实现不同的频谱效率。 可以选择发射机的最大可实现的频谱效率,并且可以规定最大可实现频谱效率的频谱效率步长。 系统中任何发射机的频谱效率可以通过从最大可达到的频谱效率通过对应于步长的选定数量的步骤来降低其频谱效率来单独选择。

    System and method for cycle slip correction
    10.
    发明授权
    System and method for cycle slip correction 有权
    循环滑行校正的系统和方法

    公开(公告)号:US09336079B2

    公开(公告)日:2016-05-10

    申请号:US14103705

    申请日:2013-12-11

    Abstract: A system and method including a parity bit encoder for encoding bits of data to be transmitted with first and second parity check bits to produce successive block of bits. Each of the blocks of bits are Gray mapped to a plurality of associated QAM symbols that are modulated onto an optical wavelength and transmitted to a receiver. A de-mapper corrects for 90 degree and 180 degree cycle slip using parity indicated by the first and second parity bits.

    Abstract translation: 一种系统和方法,包括用于对要与第一和第二奇偶校验位发送的数据的比特进行编码的奇偶校验位编码器,以产生连续的比特块。 每个位块是格雷映射到被调制到光波长并被发送到接收机的多个相关QAM符号。 解映射器使用第一和第二奇偶校验位指示的奇偶校正90度和180度周期滑差。

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