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IoT Networks with LoRaWAN

Bernd Wiegmann

LoRaWAN is a very enegry efficient way for IoT devices to communitate over longe distances. This books gives backround information about the technology and it's capabilities. There are also many examples how to build and program a energy efficent LoRaWAN node that can run on a sngle battery for serveral years.

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About

About

About the Book

This book is about the LoRa modulation developed by the company Semtech which allows very energy efficient wireless communication over distances up to 12km. It also is about the LoRaWAN network technology which is based on the LoRa modulation and developed and maintained by the LoRaWAN Alliance.

This book addresses both prfofessional users and ethusiasts who just want to use LoRaWAN as a Hobbby or just for fun. It gives detailed background information how this technology works and what the strong point and limitations are. In addition to the theory is is shown how LoRaWAN can be used with a lot of code exampls for Arduino and various ARM platform like ARM mbed.

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Internet of ThingsNetworking

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Author

About the Author

Bernd Wiegmann

Bernd Wiegmann is working as a independent consultant for embedded and mobile projects.

He started programming embedded system with a home built Z80 system. Later he moved to C and then C++. He moved to Symbian and mobile development and became a three time Forum Nokia Champion.

His is currently working in the area of connectivity and security of IoT systems.

Contents

Table of Contents

1Preface

2Intended audience and coverage of the book

  1. 2.1What can LoRaWAN do and where can it be used
  2. 2.2The technical details of the LoRa modulation
  3. 2.3Implementing and using a LoRaWAN network
  4. 2.4Other networks based on LoRa modulation

3Example Programs

4What can LoRa(WAN) do?

  1. 4.1What are the use cases for LoRa(WAN)

5What is LoRa(WAN)

  1. 5.1Network Layers
  2. 5.2LoRa
  3. 5.3LoRaWAN
  4. 5.4Real Time communication
  5. 5.5LoRa Alliance
  6. 5.6LoRaWAN compared to other technologies

6Over The Air

  1. 6.1Frequencies
  2. 6.2Modulation
  3. 6.3LoRa Bandwidth
  4. 6.4Spreading Factor
  5. 6.5Transmission Power
  6. 6.6Antenna
  7. 6.7Symbols
  8. 6.8Coding Rate
  9. 6.9Frame Format
  10. 6.10Channel Activity Detection
  11. 6.11Multi SF Reception using CAD
  12. 6.12Regulatory restrictions
  13. 6.13Frequency Plan

7Hardware Components

  1. 7.1Single channel SX127X
  2. 7.2Single Channel SX126X
  3. 7.3Single Channel SX128X
  4. 7.4Multi channel SX130X
  5. 7.5Modules
  6. 7.6Development Boards
  7. 7.7Shields and Hats
  8. 7.8Antenna
  9. 7.9Nano-tag

8Software libraries for LoRa and LoRaWAN

  1. 8.1Arduino arduino-LoRa
  2. 8.2Arduino LoRaLib
  3. 8.3IBM LMIC
  4. 8.4Arduino LMIC
  5. 8.5Python
  6. 8.6Semtech Reference implementation LoRaMAC
  7. 8.7ARM mbed
  8. 8.8ST Microelectronics

9LoRa Examples for Arduino

  1. 9.1Test Setup
  2. 9.2Simple LoRa Sender
  3. 9.3Simple LoRa Receiver
  4. 9.4LoRa Receiver with Callback
  5. 9.5SF independent reception

10LoRa Examples for ARM mbed OS

11LoRa Examples for Semtech LoRaMAC

12LoRa Examples for LMIC Library

13Low Power Optimization

14Improving the operating range

15Adding WAN to LoRa

  1. 15.1LoRaWAN
  2. 15.2SymphonyLink
  3. 15.3Other Networks

16LoRaWAN

  1. 16.1Open Questions
  2. 16.2The Network
  3. 16.3Node
  4. 16.4Gateway
  5. 16.5Single Channel Gateway
  6. 16.6Packet Forwarder
  7. 16.7Security
  8. 16.8Application Server

17Keeping in Touch with LoRaWAN

  1. 17.1Optimal use of resources
  2. 17.2Placing a Node

18Existing LoRaWAN networks

  1. 18.1Semtech IoT
  2. 18.2The Things Network
  3. 18.3Telenor LoRA
  4. 18.4LORIOT

19TheThingsNetwork

20Operating Systems

  1. 20.1Linux
  2. 20.2mbed
  3. 20.3Zephyr
  4. 20.4FreeRTOS

21Setting up a Single Channel Gateway

  1. 21.1Installation
  2. 21.2Configuration

22LoRaWAN Gateway

  1. 22.1Single Channel Gateway
  2. 22.2Multi Channel Gateway

23LoRaWAN Node

  1. 23.1Establish Connection with Network

24LoRaWAN Application Server

25Geolocating a Node

26Firmware Update of LoEaWAN Nodes over the Air

  1. 26.1Why bother with updates
  2. 26.2How to do updates over a very slow network link
  3. 26.3Support from Networks
  4. 26.4Alternatives

27Interoperability

28Security

  1. 28.1Data Integrity
  2. 28.2Encryption
  3. 28.3Replay Attack

29Operating your own gateway

30Setting up a private network

31Symphony Link

32Radiohead

33RadioShuttle

34Dash7

35Software Installation

  1. 35.1ESP32 core for Arduino
  2. 35.2Heltec support for Arduino
  3. 35.3STM32 core for Arduino

36Conclusion

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