Questions tagged [lorawan]

For use on posts about network layer communcations for LoRa devices, implementing this protocol.

LoRaWAN (Long Range Wide Area Network) is a specification for low power, wide area networks. This network layer protocol manages communications between end nodes and gateways that use LoRa hardware. It is designed for long range communications. (see also )

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LoRaWAN DevEUI, AppEUI and AppKey

I'm trying to understand the three magic LoRaWAN IDs from the LoRaWAN 1.2 specification. My understanding is: DevEUI is like a MAC address AppKey is like a public key (roughly...) AppEUI is like a port number Now I'm having problem understanding…
Matthieu
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Java. LoraWan package decription. AES-128

At first glance, I have the same problem as many. But my case a bit more complex. Preconditions: Project language: Java 11 Network Server: Orbiwise NS (https://eu.saas.orbiwise.com/) Device: (STM32 + Wifi module) connection via Lorawan gateway to…
FlySpot
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What prevents LoRaWAN nodes accepting the same JOIN ACCEPT message in OTAA

I surely must have missed something from my reading of the LoRaWAN specifications, because this seems too bad to be true. Please tell me I'm delirious :) The following seems to happen in my testbed when I have many OTAA nodes and I can't figure out…
BjornW
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Extracting Data from TTN (TheThings Network) using REST API

I have successfully Integrated TTN theThingsNetwork with my LoRaWAN Gateway. Also I am able to forward data between from Nodes to theThingsNetwork. Now I am looking for information to fetch data from TTN Thethingsnetwork to my own server. Any…
Zaheen
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LoRa point-to-point communication

I would like to create a point-to-point connection between a LoRa temperature sensor and a M5 Stack (ESP32) with LoRa module. However, I am a beginner with LoRa, so I have a few questions: Are all packets send with LoRa (not LoRaWAN) encrypted? Or…
Nina
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QuantumLeap, OrionCB and IoTagent-LoRaWAN integration

I was reading the QuantumLeap docs and I was wondering how those Generic Enablers are integrated, I mean, I've deployed the docker containers and apparently are all running, in fact I've been able to create a device in the IoTagent-LoRaWAN with the…
jfernandz
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LoRaWAN join after standby

I'm sending some information using LoRaWAN on a STM32WB and after that, I enter standby mode. The problem is that after my standby, a new join is done. I have heard that my join could be keep in memory using MIB functions but I don't manage to use…
Sidka
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Is LoRaWAN a good solution if I want to transmit a 50 bytes payload every 100 ms?

I am working on a project which aims to record information acquired from a vehicle OBD (On Board Diagnostic) interface, to transmit them over the air to a server. The recorded information will be information such as speed, fuel consumption, throttle…
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How is AppEUI defined in lorawan?

I'm using several LoRaWAN platforms, i'm very confused because different platforms deal with AppEUI differently. The Things Network generate app eui automatically when i create application. But, Orange doesn't. Orange just give me only text input…
meta
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Deploy current time to LoRaWAN node?

Most LoRaWAN nodes do not have a battery-backed RTC (real-time clock). The only clock available is the "time since startup" counter in the controller. Although LoRaWAN packets are timestamped upon receipt in the gateway, there is no strict relation…
Stefan
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LoRaWAN AES encryption in C#

The LoRaWAN protocol has a specific way of encrypting data (page 20, chapter 4.3.3.1), and I'm trying to do it in C#. First, a sequence A with blocks with a size of 16 bytes each A1..An is created. Then they are encrypted to get a sequence S of…
teocomi
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Lora packet data is encoded as hex string but decoding to ASCII is showing nonsense

I am using 2 LHT65N sensors, a Wisgate Edge Lite 2 Gateway, forwarding the payload to a Mosquitto broker, and to display data I am using mqtt.js. I am receiving packets from the sensors and the data I get is a hex string, but when I am decoding it…
ptxd
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How to start the Web UI of Chirpstack-Application?

OS: Windows 10 Pro The whole setup for properly starting up the Web UI seems confusing to me. There’s the source code to the chirpstack-application-server and its finished docker image. Running docker-compose up at the source code directory starts…
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LoRaWAN MIC Calculation in Java/Clojure

I'm trying to implement my own LoraWAN server for personal research. I'm utilizing Semtech's LNS protocol and Basic Station as Gateway server. Now when a device tries to perform an OTAA join I receive the message and try to send back a Join-Accept…
7tupel
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Can I use raspi-lora with The Things Network for a Raspberry end node

I am trying to create a Raspberry Pi 3 end node (NOT GATEWAY) with the Adafruit RFM96W module and raspi-lora library but it seems that the library has no configurable APPSKEY, NWKSKEY, DEVADDR and etc., so I won't be able to receive downlinks from…
Ivan Zlatanov
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