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|Title:||Multi-channel equalization for pwm channels in magneto-optical recording|
|Source:||Gopalaswamy, S. (1997). Multi-channel equalization for pwm channels in magneto-optical recording. IEEE Transactions on Magnetics 33 (5 PART 1) : 3265-3267. ScholarBank@NUS Repository. https://doi.org/10.1109/20.617912|
|Abstract:||We show by modeling and simulations that multitrack readback and equalization can lead to significant increases in the track density in magneto-optical recording without performance degradation due to two-dimensional interference. We assume an architecture in which an isolated set of closely spaced tracks is read simultaneously. In an earlier paper, we described a multi-channel zero-forcing equalizer and a twodimensional decision-feedback equalizer for this architecture, and presented their performance for PPM (pulse position modulation) optical recording channels. Since PWM (pulse width modulation) recording is more popular in magneto-optic (MO) disks, we model the PWM channel in this paper and show simulation results for the performance improvement obtained by using multi-channel equalization for data recorded in PWM format. © 1997 IEEE.|
|Source Title:||IEEE Transactions on Magnetics|
|Appears in Collections:||Staff Publications|
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