Key Points Offsets heading changes from platform yaw Supports antenna and sensor alignment Useful on vessels and mobile systems Works by sensing yaw angle or rate and applying corrective offset Keeps directional links or narrow beams aligned with target Definition…
Key Points One-to-many-to-selected-receivers model Used in streaming and network distribution More efficient than multiple unicast copies Requires group membership or subscription Differs from broadcast by limiting to subscribed receivers only Differs from unicast by eliminating per-receiver sender replication Definition Multicast…
Key Points Located in the microwave spectrum Common in satellite and broadcast systems Supports directional links with moderate antenna sizes Subject to weather-related attenuation Used in satellite television, satellite data, earth stations, and related RF systems Constraints include atmospheric attenuation,…
Key Points Transfers data between separated satcom security domains Applies filtering and policy controls at domain boundaries Used where satellite links cross trust boundaries Operates in protected satellite networks, Government & Defence systems, and regulated environments Enables information exchange across…
Key Points Provides central connectivity and service routing Sits behind access and aggregation layers Handles central routing, policy, and interconnection functions Used in telecom systems, IP backbones, and service provider networks Supports service control and interconnection Definition Core Network is…
Key Points Shapes and focuses antenna radiation through reflection Works with feed elements in reflector systems Common in parabolic and directional antennas Requires high surface accuracy and structural stability Failure modes include beam distortion, misalignment, and surface deformation Definition Antenna…
Key Points Broadcast Domain is a Layer 2 networking architecture element Defines the forwarding scope where broadcast frames are delivered Used in Ethernet networks, VLAN design, and local networking Helps define traffic containment and segmentation Broadcast domains are limited by…
Key Points Improves data integrity and reliability Used in communication and storage systems Can recover from some corruption without retransmission Often paired with error detection Adds encoding overhead and processing cost Maximum correctable error rates are code-dependent Definition Error Correction…
Key Points Feedback control method using proportional, integral, and derivative terms Used in operational and control contexts Controller structure that uses three kinds of corrective action Common in industrial automation, process control, robotics, and regulated physical systems Balances responsiveness and…
Key Points Manages power on the transmit side of a downlink Supports coverage and interference balancing Used in cellular and satellite systems Can react to traffic load or channel conditions Can be fixed or dynamically adjusted based on link conditions…
