ADS-B radar system

Details ADS-B radar system ADS-B radar system

2006-12-22

2008-08-19

Sotomayor, John B (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Aircraft collision avoidance system

C342S021000, C342S030000, C342S042000, C342S046000, C342S133000, C342S139000, C342S140000, C342S146000, C342S192000, C342S194000

Reexamination Certificate

active

07414567

ABSTRACT:
A system and method of using a standard ADS-B transmitter and encoder to identify targets to provide a collision avoidance system, wherein the method includes the steps of providing a standard ADS-B transmitter and encoder, a phase modulator including a digital synthesizer, radio-frequency electronics, antennas, and a radar transceiver; synthesizing digital-based band signals from the ADS-B transmitter with additional random phase modulation using the digital synthesizer; using the antennas to both transmit and receive signals; and estimating angles-of-arrival for every target in a field-of-view. The method may include the steps of demodulating the signals received by the antennas, providing a digital signal processor, and performing matched filtering on received signals. The method may also include the step of estimating a target range of identified targets using the digital signal processor.

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