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Trellis based processing for robust digital multiband transmission

机译:基于网格的处理,可实现强大的数字多频带传输

摘要

Aspects of the present disclosure are directed in part to a receiver DSP unit including an equalization module. The equalization module includes a trellis-based equalization module that may utilize multiple trellis-based processors (TBP), which can each be individually adaptively configured for performing a trellis-based equalization. The design of the TBPs allows them to be configured for compensating a residual Inter-Symbol Interference (ISI) as well as compensating a residual Phase Noise (PN). ISI is an example of an additive impairment and PN is an example of a multiplicative impairment that communication systems, particularly high speed transmission systems such as coherent optical systems, can suffer from.
机译:本公开的各方面部分地针对包括均衡模块的接收机DSP单元。均衡模块包括基于网格的均衡模块,其可以利用多个基于网格的处理器(TBP),每个基于网格的处理器可以被分别自适应地配置用于执行基于网格的均衡。 TBP的设计允许将它们配置为补偿残余的符号间干扰(ISI)以及补偿残余的相位噪声(PN)。 ISI是加法减损的一个示例,而PN是通信系统(尤其是诸如相干光学系统之类的高速传输系统)可能遭受的乘法减损的示例。

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