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Global Timing Control with Applications to Tape Storage Channels

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3 Author(s)
Ölçer, S. ; IBM Zurich Res. Lab., Zurich ; Jelitto, J. ; Hutchins, R.A.

A new approach is introduced for symbol synchronization in multi-channel data storage systems called global timing control (GTC). Applying results from optimum filtering theory to the state-space model of the timing process in multichannel data storage systems, a multi-input multi-output PLL solution is derived. Efficient implementations are developed through simplifications of the optimal solution obtained. The performance of the GTC technique is analyzed using actual read- back waveforms captured in commercial tape drive systems. The results demonstrate the impressive robustness of GTC and its excellent resilience against loss-of-lock phenomena.

Published in:

Global Telecommunications Conference, 2008. IEEE GLOBECOM 2008. IEEE

Date of Conference:

Nov. 30 2008-Dec. 4 2008