Why does this matter operationally?

Resilience

The capacity of a connectivity system to maintain acceptable service levels when components fail, links degrade, or conditions change unexpectedly. Resilient architectures use redundancy, failover paths, and graceful degradation to keep operations running when ideal conditions cannot be guaranteed.

427 terms

Frequency Stability Frequency stability is the degree to which a signal source maintains its intended frequency without drifting beyond acceptable limits. It is a measure of how reliably the source remains usable… Concept/Framework Functional Safety Functional Safety is the part of safety engineering that ensures a system performs the correct protective action when hazardous conditions occur. It focuses on safety-related functionality and protective behavior under… Operations Gateway Diversity Gateway Diversity is the use of multiple gateway paths, sites, or providers to reduce dependency on a single gateway point of failure. Concept/Framework Gateway Handover Gateway Handover is the transfer of service traffic from one gateway to another to maintain connectivity or optimize performance. Operations Gateway Site Gateway Site is the physical location where gateway equipment, antennas, and supporting infrastructure are installed and operated. Hardware GEO GEO is geostationary Earth orbit, an orbital regime where a satellite remains approximately fixed relative to a point on Earth. It supports persistent coverage of a region through orbital mechanics… Concept/Framework GMDSS The IMO-mandated, SOLAS-regulated international system of satellite and terrestrial radio equipment and operating procedures that vessels are required to carry, enabling automated distress alerting, maritime safety information broadcast, and search-and-rescue… Regulatory & Compliance GNSS The category of satellite constellations that broadcast precise timing and orbital position signals, enabling any compatible receiver to calculate its own position, velocity, and time by measuring signals received simultaneously… Concept/Framework GNSS Denial The operational condition in which a device or region loses access to reliable GNSS positioning and timing, typically caused by jamming or spoofing directed at GNSS signals, affecting every downstream… Concept/Framework Graceful Degradation Graceful Degradation is the controlled reduction of system capability so a service continues operating in a limited or simplified form during stress or failure. It preserves partial function. Operations