Simplified Two-Dimensional Generalized Partial Response Target of Holographic Data Storage Channelopen access
- Authors
- Thien An Nguyen; Lee, Jaejin
- Issue Date
- Apr-2022
- Publisher
- MDPI
- Keywords
- holographic data storage; estimating interference; remove interference; detection; decomposing interference
- Citation
- APPLIED SCIENCES-BASEL, v.12, no.8
- Journal Title
- APPLIED SCIENCES-BASEL
- Volume
- 12
- Number
- 8
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/42861
- DOI
- 10.3390/app12084070
- ISSN
- 2076-3417
- Abstract
- With a high capacity and fast data access rate, holographic data storage (HDS) is a potential candidate for future storage systems. However, for page-oriented data processing, two-dimensional (2D) interference appears intensely in the HDS systems. Therefore, the new 2D generalized partial response (GPR) target is introduced to estimate the 2D interference. In addition, we also propose a method to analyze the 2D GPR target into two serial one-dimensional (1D) GPR targets. It makes us design a simple detection scheme composed of two serial 1D detectors instead of a complicated 2D detector. In simulations, the results show that our proposed scheme can improve the BER performance compared to the conventional 1D GPR target model.
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