Mid-symbol sampling timing estimator

Details Mid-symbol sampling timing estimator Mid-symbol sampling timing estimator

1987-03-09

1988-08-30

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375106, 328108, 360 51, H04L 2722

Patent

active

047682086

ABSTRACT:
A timing error estimator which samples a received stream of data symbols at the beginning, end, and a mid-point of a symbol period is disclosed. These samples are used with a model that assumes that a data stream waveform should transition along a straight line between its values at optimum sampling instances, separated by the symbol period. Differences between a mid-symbol sample estimated using this straight line model and the actual mid-symbol sample are assumed to be due to a timing error. The timing error estimator preforms computations on complex inputs and therefore is compatible with a wide variety of modulation types.

REFERENCES:
patent: 3909724 (1975-09-01), Spoth et al.
patent: 4403193 (1983-09-01), Takemura
patent: 4543530 (1985-09-01), Kovach

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