How to set up lorawan gateway

Drone-programmingHow-ToBeginner · 4 min read

How to Set Up a LoRaWAN Gateway: Step-by-Step Guide

To set up a LoRaWAN gateway, first connect the gateway hardware to the internet and power it on. Then configure the gateway software with your network server details using the packet_forwarder configuration files. Finally, register the gateway on a LoRaWAN network server to start receiving sensor data.

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Syntax

Setting up a LoRaWAN gateway involves configuring the packet_forwarder software which forwards LoRa packets to the network server. The main configuration file is global_conf.json, where you specify:

Gateway ID: Unique identifier for your gateway.
Server address: IP or hostname of the LoRaWAN network server.
Ports: UDP ports for uplink and downlink communication.
Frequency plan: Defines the radio frequencies your gateway listens on.

json

{
  "gateway_conf": {
    "gateway_ID": "AA555A0000000000",
    "server_address": "router.eu.thethings.network",
    "serv_port_up": 1700,
    "serv_port_down": 1700,
    "radio_0": {
      "frequency": 868100000,
      "bandwidth": 125000,
      "spreading_factor": 7
    }
  }
}

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Example

This example shows how to configure and start the packet_forwarder on a Raspberry Pi-based LoRaWAN gateway connected to The Things Network (TTN).

bash

# Install dependencies
sudo apt update && sudo apt install git build-essential libusb-1.0-0-dev -y

# Clone packet forwarder repository
git clone https://github.com/Lora-net/packet_forwarder.git
cd packet_forwarder

# Build the packet forwarder
make

# Edit global_conf.json to set your gateway ID and TTN server
nano global_conf.json

# Start the packet forwarder
./lora_pkt_fwd

Output

INFO: Starting packet forwarder INFO: Gateway ID: AA555A0000000000 INFO: Server: router.eu.thethings.network:1700 INFO: Radio configured on 868.1 MHz INFO: Packet forwarder running...

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Common Pitfalls

Common mistakes when setting up a LoRaWAN gateway include:

Incorrect Gateway ID: Must be unique and match the registered ID on the network server.
Wrong server address or ports: Using incorrect network server details prevents packet forwarding.
Frequency mismatch: Using a frequency plan not supported in your region causes no data reception.
Firewall blocking UDP ports: Ensure ports 1700 (default) are open for UDP traffic.

json

Wrong configuration example:
{
  "gateway_conf": {
    "gateway_ID": "AA555A0000000000",
    "server_address": "wrong.server.address",
    "serv_port_up": 1700,
    "serv_port_down": 1700
  }
}

Correct configuration example:
{
  "gateway_conf": {
    "gateway_ID": "AA555A0000000000",
    "server_address": "router.eu.thethings.network",
    "serv_port_up": 1700,
    "serv_port_down": 1700
  }
}

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Quick Reference

Step	Description
1	Connect gateway hardware to power and internet.
2	Install and configure packet_forwarder software.
3	Set gateway ID and network server in global_conf.json.
4	Open UDP ports 1700 on your firewall/router.
5	Register gateway on LoRaWAN network server (e.g., TTN).
6	Start packet_forwarder to begin forwarding packets.

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Key Takeaways

Always use a unique gateway ID matching your network server registration.

Configure the correct server address and UDP ports in packet_forwarder.

Ensure your gateway uses the correct frequency plan for your region.

Open necessary UDP ports (usually 1700) on your network firewall.