Resilient New Space Communication using Cognitive Radio for LEO Satellites

Inhalt:
Non-terrestrial networking is one of the core technologies for next generation communication networks due to the achievable coverage and resilience. The number of LEO satellites in orbit have increased due to cost reduction in cubesat development and launch services. This grow in users can lead to higher noise levels and increase interference among satellite and terrestrial networks. Innovative space communications using software defined radio (SDR) technology can solve the contention between the LEO satellites and enables them to coexist with terrestrial network. In this paper, we investigate the use of cognitive radio concepts for LEO satellites. In particular, we focus on interference detection and appropriate channel switching. The key objective is to provide resilient communication for critical infrastructure. Using both results from an already launched cubesat system as well as from a testbed experiment, we demonstrate the feasibility of our approach.