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Developing Beacons with Bluetooth low ... - Silicon Labs

Developing Beacons with Bluetooth . Low Energy (BLE). Technology | Smart. Connected. Energy-Friendly. Developing Beacons with Bluetooth Low Energy (BLE) Technology Table of Contents Executive Summary .. 2. Introduction .. 3. What is a beacon and How is it Used? .. 3. Two beacon Usage Models .. 4. Proximity-Aware Example Applications .. 4. A Short History and Technical Overview of Bluetooth Low Energy Technology .. 7. Bluetooth Generic Attribute (GATT) Profile .. 8. The Bluetooth Low Energy Technology Advertising Packet .. 8. Beaconing Pseudo-Standards (iBeacon, Eddystone, AltBeacon) .. 10. Considerations for Designing a beacon Product .. 12. Privacy and Security Issues .. 16.

Coupling this information with the RSSI enables a receiving device to approximate how far away the beacon is. Unfortunately, this calculation cannot be very accurate since RF signals fade unpredictably according to real-world environmental factors …

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