Method and system for fast acquisition of pulsed signals

Pulse or digital communications – Spread spectrum

Reexamination Certificate

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Reexamination Certificate

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06959031

ABSTRACT:
A method and system for fast acquisition of pulsed radio signals where said signals comprised uniquely-spaced pulses or symbols. The receiver searches for and detects two ore more symbols, determines the interval or intervals between the symbols, and because the intervals are unique, the symbols or symbol sequences are identified. Identification of the symbols and their respective timing within the signal allows the receiver to adjust its timing to synchronize with the full signal.

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R.A. Scholtz, Multiple Access with Time-Hopping Impulse Modulation, Communication Sciences Institute, Univ. of Southern California, Los Angeles, Ca., 1993.

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