Data receiving apparatus

Details Data receiving apparatus Data receiving apparatus

1992-04-21

1995-01-10

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

333 18, H03H 730

Patent

active

053814487

ABSTRACT:
A data receiving apparatus capable of correctly obtaining decoded data of a received signal even if the center frequency of the received signal has a frequency shift and the state of transmission line changes with time. The coefficient of an equalizer is calculated basing upon an error signal obtained from the received signal and a shift of the center frequency obtained from the error signal. The coefficient is renewed each time a new received signal is supplied.

REFERENCES:
patent: 4298983 (1981-11-01), Kawai et al.
patent: 4672631 (1987-06-01), Suzuki et al.
patent: 5132926 (1992-07-01), MacEachern et al.
Nakajima, et al., "Performance of a Decision Feedback Equalizer Under Frequency Selective Fading in Land Mobile Communications," Papers of the Institute of Electronics, Information and Communication Engineers of Japan, vol. J72-B-II, No. 10, pp. 515-523, Oct. 1989.
Widrow, et al., "Adaptive Noise Cancelling: Principles and Applications," Proceedings of the IEEE, vol. 63, No. 12, pp. 1692-1716, Dec. 1975.

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