Experiences and Measurements with Bluetooth Low Energy (BLE) Enabled and Smartphone Controlled Embedded Applications

Provided by: Engineering and Technology Publishing
Topic: Hardware
Format: PDF
Since its early beginnings in 1999, the Bluetooth standard is known for its good stability, its real-time characteristics, and its low power consumption in active mode. Bluetooth Low Energy extends the Bluetooth standard in version 4.0 for ultra-low energy applications through the extensive usage of low-power sleeping periods, which inherently difficult in frequency hopping technologies. This paper gives an introduction into the specifics of the Bluetooth low energy protocol, shows a sample implementation, where an embedded device is controlled by an Android Smartphone, and shows the results of timing and current consumption measurements.

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