Service Assurance

Last-Mile Connectivity Last-mile connectivity is the network segment that connects the local endpoint to the upstream access or transport network. It is the final hop that determines whether the end user can… Concept/Framework Least Privilege Least privilege is a security and access-control principle requiring that each subject be granted only the permissions necessary to perform its authorized functions. It applies to users, devices, services, and… Concept/Framework 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 Assurance Link Assurance is the effort to verify, monitor, and maintain the quality and availability of a communications link. It keeps the link fit for service. Operations 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 Link Budget A link budget is a calculation that sums all gains, losses, and noise contributions in a wireless communication path to estimate received signal quality. The result shows whether the intended… Concept/Framework Local Loop A local loop is the physical or logical access segment that links the customer premises to the service provider’s network edge. It is the final connection used to deliver access… Concept/Framework Local Oscillator Local Oscillator is the signal source used within a radio or frequency conversion stage to provide the reference frequency for mixing and translation. Hardware Logging Logging is the recording of events, messages, errors, or operational data for later inspection and analysis. It supports troubleshooting, auditing, and observability. Operations Look Angle Look Angle is the directional angle used to point an antenna, sensor, or observer toward a target from a reference location. It describes the aiming direction needed for alignment. Operations