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…
- 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…
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