Glossary
Searchable terminology from accessibility, web standards, and related fields.
5 results found in indoor navigation.
- Bluetooth Low Energy Beacon (BLE Beacon, iBeacon, Bluetooth Beacon)
- A small, low-power wireless transmitter that broadcasts Bluetooth Low Energy (BLE) signals at regular intervals. In accessibility contexts, BLE beacons are widely used for indoor navigation systems fo…
- Infrared Beacon (IR Beacon, IR Tag)
- A device that transmits identification signals using infrared light, used in indoor navigation and wayfinding systems to help locate users within buildings. When a user's receiver detects the beacon's…
- Proximity Detection (Proximity Sensing, Proximity-Based Localization)
- A method of determining a user's approximate location by measuring their closeness to known reference points, such as BLE beacons or Wi-Fi access points, based on signal strength. In accessible indoor…
- RSSI (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 …
- Visual Inertial Odometry (VIO)
- A motion tracking technique that combines camera-based visual tracking with inertial sensor data (gyroscopes and accelerometers) to estimate a device’s position and orientation in 3D space with high a…