1. 1 Communication In Heterogeneous Wireless Networks Sofia 25. April 2014 Presenter: Svetozar Ilchev, PhD

2. 2 Hardware - Microcontrollers 8-bit Atmel AVR (atmega2560 & 328p) 32-bit ARM Cortex M3/M4 32-bit Boards with Linux OS

3. 3 Hardware - Communications Hardware Implementation Software Implementation 2.4 GHz Mesh via Nordic Semiconductor nRF24L01+ Ethernet via Wiznet 5500 or Enc28J60

4. 4 Simple Mesh Networking + Gateway nRF24L01+ Low-Power Mesh Internet Gateway Mesh Range: 10m – 1km Max Throughput: 60kbps (AVR) – 600kbps (Cortex M4) Internet

5. 5 Mesh Networking + Static Routing Internet Gateway Trunk 1 ~ 1km Trunk 2 ~ 1km Segments ~ 30m Trunks may also be wired, e.g. RS485 Each trunk node has a static routing table Internet

6. 6 Questions & Answers Thank You for Your Attention!