Title :
Blind adaptive equalization for digital storage systems using timing interpolation
Author :
Shimada, Toshiyuki ; Mitra, Sanjit K.
Author_Institution :
Matsushita Electric Ind. Co., Kadoma, Japan
Abstract :
Blind adaptive equalization for digital data storage using a digital signal processing method is presented. In this method the input signal is first sampled at a fixed frequency at N-times the channel bit rate, and then the sampled signal is equalized adaptively with the desired signal generated by a polyphase waveform estimator. As the equalizer is working at the fixed and low sampling rate of the input sequence, the hardware realization is simple, and there is a reduction of the amount of data, making the evaluation of the write/read properties of the storage systems simple. The method is also applicable to the fully digital signal processing data detection system
Keywords :
adaptive filters; digital storage; equalisers; interpolation; blind adaptive equalisation; digital data storage; digital signal processing data detection system; digital storage systems; hardware realization; magneto-optical disk drive; polyphase waveform estimator; timing interpolation; write/read properties; Adaptive equalizers; Bit rate; Blind equalizers; Clocks; Delay; Digital signal processing; Finite impulse response filter; Frequency estimation; Hardware; Interpolation; Memory; Signal generators; Signal sampling; Timing;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on
Conference_Location :
Albuquerque, NM
DOI :
10.1109/ICASSP.1990.115680
