For over 12 years, our next-generation Correlating and Non-Correlating Best Source Selector units have been successfully acquiring and enhancing signals through proven algorithms for thousands of missions.

Taking advantage of spatial diversity, GDP’s Best Source Selectors (BSS) automatically correlate data streams from multiple antennas in time to each other and utilizes bit-by-bit quality information to achieve significant performance gains of over 5dB. Receiving data from a moving source such as an aircraft, missile, or launch vehicle is a significant challenge due to multipath, noise and fading. Typically, Telemetry Receivers are strategically located at multiple locations on any given test-range in an attempt to increase signal acquisition and integrity.

As the test vehicle goes through its maneuvers, the received signal degrades at one receiver and improves at another. Since the GDP BSS correlates the data streams in time to each other (encrypted or clear), it can use the bit-by-bit signal quality information and switch from stream to stream on as little as a bit time without dropping lock in downstream frame synchronizers (seamless bit-by-bit switching). GDP’s modern BSS techniques allow users to achieve, in real-time, what previously had to be done post flight.