Cognitive Engine One: A Cross-Layer Framework for Autonomy in Multi-Provider Space Communications Environments

A Gannon, J Downey, R Dudukovich… - Journal of Aerospace …, 2025 - ntrs.nasa.gov
Spacecraft information needs, along with the communications environments in which data
transfers occur, are becoming increasingly dynamic. Earth orbit is served by dozens of …

Continuous Spacecraft Communications via Make-Before-Break Antenna Array Beam Steering

A Gannon, B Schoenholz, J Downey… - ICC 2024-IEEE …, 2024 - ieeexplore.ieee.org
Active phased array (APA) antennas can electronically form multiple beams to track several
targets simultaneously. Spacecraft equipped with these antennas can achieve continuous …

Onboard doppler compensation for low-rate communications over commercial relay satellites

A Gannon, J Downey, M Koch - 27th Ka and Broadband …, 2022 - ntrs.nasa.gov
NASA spacecraft performing scientific and exploration missions may increasingly
communicate over commercial relay satellites, including those that operate at Ka-band …