Questions tagged [lorawan]

For questions about LoRaWAN, a network protocol for low-power long-range applications.

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LoRa - How to forward packets?

I'm working on a system where LoRa Module 1 forwards packets. In this setup, when a user is connected to Module 2 (linked to an ESP32 board and acting as an access point), and they enter a URL like &...
hirdesh mewada's user avatar
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1 answer
39 views

Arduino LoRa communication protocol

I am fairly new to IoT and to all kinds of Arduino chips/sensors etc.. I am trying to understand the mechanism of LoRa device communication. With the help of the official Arduino web page I found the ...
dimitar.d's user avatar
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LoRaWAN Multicast setup

I'm trying to create a LoRaWAN network with multicast using TTN. I have followed several videos and accessed anything I could find, but fundamentally it seems I cannot understand concept behind the ...
XarionXRC's user avatar
1 vote
1 answer
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Gateway receives Join Request from end device, but it doesn't accept

I'm quite new to IoT in general. I have a Dragino LPS8v2 gateway, and I would like to create a private LoRaWAN network for my end device (TTGO T-Beam). What I did : configure GW's LoRa parameters (...
snowflakeluffy's user avatar
3 votes
1 answer
153 views

LoRaWAN Mesh Protocol

I'm interested in building a network that is based on the LoRaWAN networking protocols. I've seen multiple references to LoRaWAN supporting a mesh configuration (instead of the standard star network ...
Jordan's user avatar
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2 answers
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Lora Setup For Remote Projects in Sub-saharan locations

I am looking for some advice for setting up an IoT sensor network in remote areas. It needs to be as plug-and-play as possible as it will not be done by technicians... I work for an international NGO ...
amaturenet's user avatar
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1 answer
36 views

Can a LoRaWAN end device know an ID of the gateway to which it's connected?

Supposing I want the application firmware in my LoRaWAN end device to behave differently when it's in a given geolocation and that geolocation can be defined by the local Helium base station or cell (&...
Eliot's user avatar
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1 answer
362 views

Heltec WiFi Lora32 - Can i received LoraWAN packets?

I bought this shield and trying to receive LoraWAN packets in my surrounding. ESP32 Heltec Lora Within their SDK there is examples of receiving data for Lora, joining LoraWAN, however i am interested ...
PeeS's user avatar
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138 views

MQTT TLS by Node-RED

I had a problem when sending request using MQTT through Node-RED. I actually have a LorAWAN gateway that is connected to TTN Cloud and Node-red was deployed in the gateway as an additional application....
said sabri's user avatar
1 vote
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64 views

Where can I find the firmware for RHF2S001 gateway?

I'm using this LoRa LoRaWAN Gateway - 868MHz Kit with Raspberry Pi 3 to set up a simple IoT LoRaWAN network. https://www.seeedstudio.com/LoRa-LoRaWAN-Gateway-868MHz-Kit-with-Raspberry-Pi-3.html I have ...
Newt573's user avatar
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LoRaWAN: What is a safe distance between two end devices using the same spreading factor that makes sure they don't interfere with one another?

I'm working on an algorithm with the help of a simulator that changes how end devices are distributed such that interference between end devices using the same spreading factor is minimized. I'm still ...
Ramez Qamar's user avatar
2 votes
2 answers
123 views

Application Server - ThingPark - End to end security

From the LoRa Alliance specification, we know that the LoRaWAN Application Server handles the decryption (uplink) and the encryption (downlink) thanks to the AppSkey. The first thing which is not ...
Syl Mont's user avatar
2 votes
1 answer
2k views

LoRaWAN device not receiving Join Accept

I have provisioned my LoRaWAN class A device using OTAA on the ThingPark Community platform. Now, it doesn't seem to receive a Join Accept message from the network as answer to the Join Request that ...
Lode Van Halewyck's user avatar
2 votes
2 answers
482 views

LoRaWAN device leaving a network and then coming back... what Join behavior to expect?

For smart-city or industrial campus type of projects, there are devices that leave the network for e.g. 2 days (worker leaving on a week-end), and then come back... but they might remain disconnected ...
Olivier HERSENT's user avatar
4 votes
3 answers
281 views

LoRaWAN backhaul overheads over satellite or cellular

LoRaWAN is optimized for the constrained LoRa physical layer, however the gateways add their own overheads when relaying LoRaWAN frames to/from the network servers, and there is also trafic related to ...
Olivier HERSENT's user avatar
3 votes
1 answer
139 views

What are the datarate and ADR best practices for moving objects

For static objects, LoRaWAN has a very neat 'Adaptive Datarate (ADR)' feature that is key to the scalability of the protocol, it allows the network server to select the fastest uplink datarate ...
Olivier HERSENT's user avatar
3 votes
3 answers
166 views

The impact of LoRaWAN repeated transmissions

The LoRaWAN spec defines the LinkADRReq MAC command with a field (NbTrans) specifying the number of requested repeated transmissions of every frame. Actility claims that their ADRv3 algorythm uses ...
Norbert Herbert's user avatar
2 votes
1 answer
106 views

Location Solver with LoRaWAN trackers

We use Abeeway Compact Trackers connected via a ThingPark powered LoRaWAN network to track pallets. Our Application Server receives and decodes messages and stores the location coordinates in a DB so ...
Norbert Herbert's user avatar
3 votes
1 answer
73 views

LoRaWAN end-to-end security with Over The Air Activation

We are planning to connect several thousands of door opening and other home security sensors to a public LoRaWAN network country-wide, but our concern is, that in theory our public LoRaWAN network ...
Norbert Herbert's user avatar
3 votes
1 answer
122 views

Firmware update over a LoRaWAN network

We are planning to connect several thousands of LoRaWAN connected water meters. The expected battery life time is 8+ years. Our concern is that meter suppliers are releasing new firmware version ...
Norbert Herbert's user avatar
4 votes
1 answer
59 views

LoRaWAN roaming for overlapping networks

Why shall we consider having a LoRaWAN roaming agreement with another LoRaWAN network operator that has partly overlapping network coverage with our network? Our end devices are fixed (e.g.: water ...
Norbert Herbert's user avatar
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1 answer
508 views

(Re)Joining existing Lora-wan end-devices to another network server

We are moving our Lora-wan gateways and end-device from Loriot to another opensource network server. But we are experiencing problems with some of our devices, when trying to rejoin using OTAA. What ...
Alexander Ibsen's user avatar
1 vote
4 answers
268 views

Sending LoRa packets using LoRaWAN sensor device

I would like to measure temperatures using a LoRa device and establish a point-to-point connection with another LoRa compatible device. However, the only appropriate temperature sensors use LoRaWAN, ...
Nina's user avatar
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3 votes
1 answer
820 views

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 ...
Nina's user avatar
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6 votes
3 answers
825 views

LoRaWAN collision and demodulation

In what scenario is it possible that collision happens between two packets. And if a collision happens, is it possible to demodulate? How? Regarding here it says there are two types of interference. ...
m0ss's user avatar
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1 answer
524 views

How to Control electric motor with Lora and microcontroller

The idea is to control a water pump that uses an induction motor. By control I simply mean to turn on and off the motor of the water pump. The setup includes a Lora gateway that transmits the desired ...
Dots's user avatar
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2 votes
1 answer
1k views

Using LoRa as a www link

I am new to IoT and LoRa, and still trying to grasp the scope and capabilities after discovering a whole technology I never knew existed. I have read some about LoRaWan and IoT, but am confused about ...
KevinHJ's user avatar
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7 votes
2 answers
1k views

How to increase the Lora range using a LoStik?

I know this is a common question but I am wondering how to increase range on my Lora 'LoStik' device. https://www.crowdsupply.com/ronoth/lostik I am trying to send data from one LoStik to another. ...
Tuomas Talvitie's user avatar
2 votes
1 answer
345 views

LoPy4 Gateway (LoRa RAW) connection to Raspberry Pi and AWS Cloud

I am attempting the following setup: Sensor--> I2C--> Pycom LoPy4(Node)-->LoRa-RAW-->Pycom LoPy4(Nano Gateway)-->RPi-->AWS I have established the LoRa RAW connection between the two LoPy4s, now I ...
Yash Deep's user avatar
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2 answers
101 views

Signal Processing in LoRa

I was working with LoRa interfacing with microcontrollers and realized that I'd require encryption of data in my design. Can someone tell me if I would require signal processing for this purpose?
Pankajkumar's user avatar
1 vote
2 answers
448 views

Water meter reading using LORA

We need to get reading of meter using LORA. Previously, we have used NodeMCU with Wifi module but it contains short range. We need long range which will be around 10 km to 20 km, So we must need to ...
Jimesh Gajera's user avatar
2 votes
3 answers
1k views

Receiving acknowledgement in LoRaWAN without affecting data transmission

Consider a LoRaWAN in which multiple nodes are attached to gateway. The page at link-labs states that, once a message has been delivered, there is no acknowledgement of receipt. However, nodes in ...
tim3in's user avatar
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4 votes
1 answer
130 views

Can I send messages from LORIOT to an HTTP web server?

I actually send data packet from LORIOT and TTN to Cayenne. I would understand if is possible to send instead data from Loriot or TTN to my custom http web server, if there is any procedure around ...
Massimiliano Catinoto's user avatar
7 votes
4 answers
7k views

Is it a good option to send images over LoRa network?

LoRa (Long Range) technology is one of the promising technology which offers long range communication with low power consumption. Therefore when building a device that can be deployed in a no ...
tim3in's user avatar
  • 377
3 votes
1 answer
275 views

The Things Network AWS IoT integration

I have followed the tutorial for the AWS integration but cannot get the MQTT messages to display in the AWS IoT Core. I assume bridging is not working since I can get the messages in an external ...
Simon Doppler's user avatar
4 votes
1 answer
391 views

How does endianness work in LoRaWAN1.1?

On Page 9 in the LoRaWAN 1.1. specification it says: The over-the-air octet order for all multi-octet fields is little endian. EUI are 8 bytes multi-octet fields and are transmitted as little endian. ...
user393856's user avatar
5 votes
1 answer
2k views

The Things Network - Pricing

I am planning to use The Things Network for my next project with around 50 LoRa nodes geographically distributed in an area. I am wondering is LoRaWAN free to use - provided we buy LoRaWAN gateway ...
Shani's user avatar
  • 51
6 votes
1 answer
109 views

Why does LoRaWAN 1.1 use MAC-then-encrypt for Join-Accept messages?

In the LoRaWAN 1.1. standard it says on Page 16 "For Join-Accept frame, the MIC field is encrypted with the payload and is not a separate field". In other scenarios the message integrity code is a ...
user393856's user avatar
1 vote
0 answers
24 views

Can there be a correlation between Emonlib current increase and RTC unsync on MKR 1300?

I'm having this weird issue where my data Send interval gets screwed up when the monitored current goes above 27A. Basically, it keeps adding several seconds to my interval, here's an example: ...
BryceSoker's user avatar
4 votes
1 answer
106 views

LoRaWAN remote sensor node platform

Which platform can you recommend for a LoRa/LoRaWAN remote sensor node, which fulfills the following criteria? Detects presence of people in 15-minute interval (e.g. with a RCWL-0516) Reports the ...
typo's user avatar
  • 249
3 votes
2 answers
498 views

How to send data collected by two different sensors simultaneously?

I have two different sensors connected to my Raspberry pi and I have to send the data to other device. The transmission of data is through wireless network. I have been asked to send the data in ...
Breakpoint's user avatar
3 votes
2 answers
115 views

LPWAN technology for remote environmental monitoring

What would be the most appropriate LPWAN technologies for environmental monitoring in a remote area, given the following: The monitoring system would be made up of 3 to 10 nodes located within a ...
Alexander's user avatar
  • 131
4 votes
2 answers
1k views

Using Raspberry Pi as a Lora Node for a TTN setup

I already have a LoRa gateway that I made using a NodeMcu with ESP8266 and now I want to send data from a Raspberry Pi 3 through that gateway to the TTN. The first thing that I did was to connect ...
user avatar
4 votes
1 answer
113 views

Microchip RN2903: TX/RX distance with internal antenna

My question is about the maximum transmission distance achieved with the Microchip SoC RN2903, only using its internal antenna. I've been doing field tests in urban environments, with this module and ...
tyncho08's user avatar
  • 181
4 votes
1 answer
2k views

How does LoRa based geolocation work? How does it measure distance?

The speaker in the video Richard Lansdowne - LoRa Geolocation mentions straight-off that he won't be quoting an accuracy for geolocation using LoRa, and it's of course not the ideal signal you would ...
uhoh's user avatar
  • 275
8 votes
1 answer
123 views

Lorawan packets datasets

I'm studying Lorawan protocol. I would like to know if some datasets exist to study LoRaWAN packets, parameters and some features.
Pippo Pluto's user avatar
3 votes
0 answers
42 views

How will the Proxima I and II satellites use or test LoRa in space?

IoT Aukland Tweet references FleetSpace and launch of the Proxima I and II satellites. This put's the "W" in LoRaWan in a different perspective. How will these test LoRa in space? Is there any ...
uhoh's user avatar
  • 275
1 vote
1 answer
208 views

Connect sx1272 module to a Dragino Gateway

I am new to Lora technology. I am using a sx1272 Lora Module and I am trying to send and receive data to a Dragino Gateway. The problem is the sx1272 and Dragino use two different libraries and hence ...
fatima achbah's user avatar
12 votes
2 answers
1k views

Spreading Factor of LoRa

I am new to LoRa technology and I was reading it's technical specifications on the lora-alliance.org website. In the document, the SF is always considered between 7-12. What is the reason behind not ...
Shubham Kumar's user avatar
5 votes
1 answer
3k views

Arduino LMIC: Figuring out when packet transmission has been started on Chip

I use the following example of an ABP-activated LoRaWaN node: https://github.com/matthijskooijman/arduino-lmic/blob/master/examples/ttn-otaa/ttn-otaa.ino But for some reason I cannot figure out when ...
Dimitrios Desyllas's user avatar