The major concern in signal processing for holographic data storage (HDS) systems is the two-dimensional (2D) inter-symbol interference (ISI), which arises from neighboring pixels in every direction on the data page of HDS systems. Recently, serial–parallel detection has been proposed for bit-patterned media recording (BPMR). We have realized that the serial–parallel detection structure is more suitable for HDS systems than BPMR systems, because, unlike BPMR systems, the interferences in HDS systems from horizontal and vertical directions are equal. Therefore, the serial–parallel structure for HDS systems can extract better bit-error-rate performance.

全息数据存储 (HDS) 系统信号处理中的主要问题是二维 (2D) 符号间干扰 (ISI)，这种干扰是由 HDS 系统数据页上各个方向的相邻像素产生的。最近，有人提出了针对位模式媒体记录（BPMR）的串行并行检测。我们已经意识到，串并行检测结构比BPMR系统更适合HDS系统，因为与BPMR系统不同，HDS系统中水平和垂直方向的干扰是相等的。因此，HDS系统的串并行结构能够获得更好的误码率性能。