Bluetooth Low Energy
BT5.0 Demonstrator
(Source: ZHAW-ISC, Colin Cina)
Evaluation of "High Data Rate" and "Long Range" Links with nRF52840 from Nordic Sem. and PCB Antennas
- 2M PHY or High Data Rate mode
Throughput of 1.084 Mbps with high SNR
(transmission time for a file with 1220 kB is 9s)
Indoor range up to 50 m and throughput > 300 kbps
- LE Coded PHY (s=8) and Long Range Modes
Indoor range up to 100 m, outdoor range up to 2 km (LOS)
- Students project in the master's programme: Video
BT-Traffic-Generator
(Source: ZHAW-ISC, Simon Vogel)
Bluetooth Low Energy Traffic Generator with Software Defined Radio (SDR) USRP N210 from Ettus Research/NI
- flexible broadcasting of Bluetooth Adv packets simultaneously on channels 37, 38 and 39 (adapted FPGA firmware)
- Test scenarios with any number of BT devices and configurable advertising interval,
Advertising data, transmission power,
PHY: 1M or LE Coded (Long Range).
Optional: randomised adv. channel indexing (from BT5.1) - Simultaneous recording of the 3 advertising channels and possibility of subsequent playback
Sniffing BLE addresses for people flow analysis
Monitoring of BLE device addresses with >10 Bluetooth scanners for 24/7 people flow analysis in squares and parks.
- Bluetooth LE device addresses are impersonal, no privacy problem unlike e.g. cameras
- Difference e.g. to cameras
- Number of persons is proportional to the number of unit addresses
- Evaluation of traffic relations and dwell-time
I4.0 measuring tool for rollers in the extrusion process
Monitoring and diagnosis of temperature and pressure inside of rollers supports production & quality increase
- Cooperation with DERICHS GmbH, Krefeld (D)
- BT measured value transmission to tablet / gateway to cloud
- Development of the ED1 sensors and support during the approval process
- Battery autonomy >2 years
- App development with password protection
- Industry 4.0 Award for ED1 at ICE 2017 in Munich
- further information
BT4.0 interface to Leica-Disto measurement device
Bluetooth 4.0 solution for transferring data from a Leica DISTO measuring device to a smart phone.
- Cooperation with Leica Geosystems AG and CTI
- one of the first "non-consumer" BT applications 2012
- Development of an Eval Board with Nordic Radio Module
- Development of basic app under iOS
- "drag-and-drop" transferred distances in photo/sketch
- 2017 Extension for the transmission of IMU data
- further information
