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Spectral Shaping Codes
IEEE Transactions on Consumer Electronics ( IF 4.3 ) Pub Date : 2021-04-14 , DOI: 10.1109/tce.2021.3073199
Kees A. Schouhamer Immink , Kui Cai

We investigate a new approach for designing spectral shaping block codes with a target spectrum, $H_{t}(f)$ , that has been specified at a plurality of frequencies. We analyze the probability density function of the spectral power density function of uncoded $n$ -symbol bipolar codewords. We present estimates of the redundancy and the spectrum of spectral shaping codes with specified target spectral densities $H_{t}(f_{i})$ at frequencies $f_{i}$ . Constructions of low-redundancy codes with suppressed low-frequency content are presented that compare favorably with conventional dc-balanced codes currently used in data transmission and data storage devices with applications in consumer electronics.

中文翻译:

频谱整形代码

我们研究了一种用于设计具有目标频谱的频谱整形分组码的新方法, $ H_ {t}(f)$ 在多个频率上已被指定。我们分析未编码频谱功率密度函数的概率密度函数 $ n $ -符号双极码字。我们给出了具有指定目标频谱密度的频谱整形码的冗余度和频谱估计 $ H_ {t}(f_ {i})$ 在频率上 $ f_ {i} $ 。提出了具有被抑制的低频成分的低冗余码的构造,该构造与当前在数据传输和数据存储设备中使用的常规直流平衡码以及消费电子中的应用相比具有优势。
更新日期:2021-05-25
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