Access

NTN Handover The 3GPP-defined procedure for transferring an active radio connection between non-terrestrial coverage beams, satellites, or feeder links, incorporating satellite ephemeris and predicted timing/Doppler trajectories to trigger handover ahead of signal… Concept/Framework NTN Standardisation The multi-release body of 3GPP technical specification work that defines how non-terrestrial platforms integrate into the 5G System, spanning RAN procedures, core network integration, and satellite-specific radio layer adaptations across… Regulatory & Compliance NTN User Equipment User equipment conforming to 3GPP NTN specifications, capable of establishing and maintaining a radio connection directly with a non-terrestrial 5G access node, including the GNSS positioning, autonomous timing/frequency pre-compensation, and… Hardware Offshore Support Vessel Communications Offshore Support Vessel Communications is the set of communications services and practices used on support vessels operating offshore to support Maritime offshore operations. Operations Onboard Networking Onboard networking is the set of internal network connections and control functions that distribute data among systems on a platform such as an aircraft. It links sensors, payloads, processing systems,… Concept/Framework OPC OPC is an industrial interoperability standard family used to exchange data between automation systems and software applications. It supports cross-vendor communication. Protocol OPC UA OPC UA is a platform-independent industrial communication standard for secure and structured data exchange between automation systems and devices. It supports interoperability across vendors. Protocol Over The Air Rekeying Over The Air Rekeying is the remote update of cryptographic keys across a communications link without requiring manual physical replacement. Operations Passenger Internet Service Passenger internet service is the connectivity service that provides internet access to passengers aboard a moving vehicle or platform. It integrates onboard distribution, external transport, and service management into one… Service Model Passive Optical Network A fiber-optic access architecture that shares a single fiber from the provider back to a passive optical splitter, which distributes the signal to multiple premises without powered equipment at the… Concept/Framework