Glossary

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RSSI Fingerprinting(also: Received Signal Strength Fingerprinting, Radio Fingerprinting, Signal Fingerprinting)

An indoor localization technique in which a device estimates its position by comparing the current pattern of received signal strengths (RSSI) from surrounding radio sources — most commonly Bluetooth Low Energy beacons or Wi-Fi access points — against a pre-collected map of…

Radial Direction(also: Angular Direction, Heading, Bearing (audio display))

In auditory-display research, a data value that represents a direction in a plane — for example a compass bearing, the tangent of a curve, or the orientation of a pointer — treated as an angle rather than as a pair of Cartesian coordinates. Radial values are inherently circular…

Recreational Exploration(also: Wandering exploration, Exploratory navigation, Open-ended exploration)

Movement through an environment driven by interest, curiosity, or enjoyment rather than by a fixed destination — for example wandering a museum, browsing a shopping mall, or exploring a neighbourhood. For blind and low-vision people, recreational exploration is harder to support…

Route Learning(also: Route Familiarization)

The process by which a traveler — particularly a blind or low-vision person — acquires a mental representation of a specific path through an environment, including its turns, landmarks, distances, surface changes, and points of interest. Route learning is a core component of…

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