Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- RSSI(also: Received Signal Strength Indicator, Received Signal Strength Index)
- A measurement of the power level of a radio signal received by a device, commonly used in Bluetooth and Wi-Fi based indoor positioning systems. In accessible indoor navigation, RSSI readings from BLE beacons are used to estimate a user's distance from each beacon — stronger…
- Robotic Guide Dog(also: Robot Guide Dog, Quadruped Guide Robot)
- A mobile robot — typically a quadruped platform — designed to provide navigation and obstacle-avoidance support for blind and low-vision users, filling a role analogous to that of a trained guide dog. Research prototypes have explored handler interaction, leash-based coupling,…
- Route Planning(also: Journey Planning, Pre-Journey Planning)
- The process of determining a path from an origin to a destination before travel begins, including selecting roads or paths, identifying landmarks and decision points, and considering factors such as safety, accessibility, and personal preferences. For blind and visually impaired…
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