Key Points Describes shared-capacity oversubscription Used in access and broadband planning Higher ratios mean more sharing Common in telecom service design Indicates expected resource sharing relative to committed capacity Definition Contention Ratio is the ratio between the total capacity shared…
Key Points Provides command functions on the move Supports distributed operations and coordination Used in field and emergency scenarios Integrates terminals, routing, and local decision support Enables operations outside fixed command sites Definition Mobile Command Node is a movable command…
Key Points Supports vessels, offshore platforms, and marine operations Combines satellite, cellular, radio-based, and onboard networking systems Maintains operational and crew communications across changing coverage areas Critical for shipping, offshore energy, port logistics, and passenger services Subject to environmental constraints…
Key Points Represents total receiver noise contribution Used in RF and satellite engineering Related to sensitivity and link budget Lower values generally indicate better performance Definition System Noise Temperature is a measure of the total noise contribution of a receiver…
Key Points Offsets motion-induced frequency shift Important for satellite and mobile links Helps maintain modem lock and signal quality Operates through frequency or timing correction at the receiver Critical for maintaining carrier lock and decoding performance Definition Doppler Compensation is…
Key Points Uses gyroscopic feedback or stabilization control Maintains antenna alignment during platform motion Common in Maritime and mobile satellite systems Improves tracking continuity for narrow-beam communications Compensates for vessel, vehicle, or platform movement Definition Gyro-Stabilized Antenna is an antenna…
Key Points Defines service geography Used in wireless and satellite planning Affected by power, geometry, and interference Often overlaps with beam coverage or service area Definition Coverage Footprint is the geographic area in which a service, signal, or network resource…
Key Points Large-scale NAT deployed by service providers for address sharing Translates many subscriber connections through a shared pool of public addresses and ports Reduces address scarcity pressure but increases state and operational complexity Used by internet service providers and…
Key Points Policy Enforcement is defined for network or system use Application of defined rules or controls in operation Used in operational and architecture contexts Operates at access, routing, service, or application layers depending on the system Definition Policy Enforcement…
Key Points Defines a bounded spectrum range Used in telecom and RF engineering Different bands have different propagation properties Often tied to regulation and service allocation Exists to organize spectrum by technical or regulatory use Used in telecommunications, satellite communications,…
