Title :
Comparison of channel models for Patterned Media Storage
Author :
Gupta, Arpit ; Keskinoz, Mehmet
Author_Institution :
Dept. of Electron. & Comput. Sci., Indian Inst. of Technol., Roorkee
Abstract :
Patterned Media Storage (PMS) is one of the promising technologies to overcome the limitations of the conventional magnetic recording. While advanced signal processing and coding algorithms helps to improve the bit error rate performance of Patterned Media Storage (PMS) channel, they have to be designed by considering the underlying channel model. In literature, there are two popular channel models for PMS: Approximate Model and Analytical Model. In this paper, we first shortly explain these models and then compare their responses by calculating their normalized mean-square error (NMSE) between two models. Through the numerical experiments, we find that NMSE can be substantially high up to 99%. Therefore, we conclude that Approximate Model should not be used to develop signal processing algorithms for PMS.
Keywords :
error statistics; least mean squares methods; magnetic storage; bit error rate; coding algorithms; magnetic recording; normalized mean-square error; patterned media storage; signal processing; Analytical models; Magnetic domains; Magnetic heads; Magnetic recording; Magnetic shielding; Magnetization; Perpendicular magnetic recording; Signal design; Signal processing algorithms; Soft magnetic materials;
Conference_Titel :
Signal Processing and Communications Applications Conference, 2009. SIU 2009. IEEE 17th
Conference_Location :
Antalya
Print_ISBN :
978-1-4244-4435-9
Electronic_ISBN :
978-1-4244-4436-6
DOI :
10.1109/SIU.2009.5136553
