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Communication In HeterogeneousWireless Networks

Sofia25. April 2014

Presenter: Svetozar Ilchev, PhD

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Hardware - Microcontrollers

8-bit Atmel AVR (atmega2560 & 328p)

32-bit ARM Cortex M3/M4

32-bit Boards with Linux OS

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Hardware - Communications

Hardware Implementation Software Implementation

2.4 GHz Mesh via Nordic Semiconductor nRF24L01+

Ethernet via Wiznet 5500 or Enc28J60

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Simple Mesh Networking + Gateway

nRF24L01+ Low-Power

Mesh Internet Gateway

Mesh Range: 10m – 1kmMax Throughput: 60kbps (AVR) – 600kbps (Cortex M4)

Internet

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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

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Questions

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Answers

Thank You for Your Attention!