Non-Terrestrial

ISAC A research direction exploring how existing cellular communication signals and infrastructure could simultaneously perform radar-like environmental sensing — detecting object position, movement, or presence — without requiring dedicated separate sensing… Concept/Framework ISR The data-gathering component within the broader C4ISR capability framework, encompassing collection, processing, and dissemination of information about the operational environment, increasingly gathered through uncrewed aircraft systems and other remote sensing… Concept/Framework ITU-R One of three functional sectors within the ITU, specifically responsible for spectrum allocation and satellite orbital coordination, producing ITU-R Recommendations as its primary technical output through its own dedicated study… Regulatory & Compliance ITU-R Recommendations The technical and operational standards published by the ITU Radiocommunication Sector, covering spectrum allocation, satellite orbital and frequency coordination, and radio system technical performance, providing the internationally coordinated framework that… Regulatory & Compliance Ka Band Ka Band is a microwave frequency range used in high-capacity communication systems, commonly employed in satellite and fixed wireless links to support wider bandwidth and higher data throughput. Hardware L Band L Band is a lower microwave frequency range used in communications and navigation systems, valued for propagation characteristics and broad service support. Hardware LEO LEO is low Earth orbit, an orbital regime relatively close to Earth used by satellites in communications and observation systems. Concept/Framework LEO Satellite A LEO Satellite is a spacecraft operating in low Earth orbit used for communications, observation, navigation, or other orbital services. Hardware Line of Sight Line of sight is the direct, unobstructed path between two points that allows radio energy to travel without significant blocking by terrain or structures. It is a key condition for… Concept/Framework Link Availability Link availability is the fraction or percentage of time that a communications path can successfully support service within acceptable performance thresholds. It is a measure of operational readiness and continuity… Concept/Framework