Semtech LoRa Edge LR1110 Manuel utilisateur

LR1110 Tracker Reference Design

Evaluation Kit

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Quick Start Guide

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LoRa Edge™ Tracker Reference Design

Evaluation Kit

(User Guide)

October 2020

LR1110 Tracker Reference Design

Evaluation Kit

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Quick Start Guide

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October 2020

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Welcome!

The LoRa Edge™ Tracker Evaluation Kit (“Kit”) is a portable reference kit designed to introduce LoRa Edge

tracking capabilities with LoRa Cloud™services, integrated with the Actility ThingPark Enterprise-based

Community Platform (Network Server) and Tago.io Application Service, and to showcase LoRaWAN®

network coverage around a building or site. It is also intended to accelerate solution development for a

wide range of stakeholders. The self-contained nature of this reference Kit makes it easy to set up, take

down and move a network in a matter of minutes.

Users can determine a gateway’s range of coverage by moving sensors to different places around a

coverage area. Furthermore, solution developers can focus on providing customer value through data

collection and analysis by using off-the-shelf hardware available from various ecosystem partners.

The GPS location data of each tracker is displayed on a dashboard that users access through a web browser.

The dashboard shows the type of displays that can be created with the data collected. The URL for the

dashboard and how to locate the login credentials for your Kit, are explained in the sections below.

What is in the Kit?

The Kit contains the following items:

Two LoRa Edge LR1110-based Tracking Devices

oTracker on/off magnets (2)

One gateway (base station) based on the LoRaWAN protocol with Ethernet or Wi-Fi backhaul

oPower adapter (region specific)

oLoRa® Gateway/Base Station antenna (only included with the U.S. model)

Figure 1: LR1110- Tracking Device

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Figure 2: LR1110 Tracker Kit Contents: LoRaWAN Gateway with Tracking Devices

Note: Within this document the term “gateway” and “base station” are used interchangeably; they are

meant to refer to the same physical device regardless of which term is used.

System Overview

The LoRa Edge Tracker Evaluation Kit demonstrates and highlights the various aspects of an asset tracking

system based on the LoRaWAN protocol. The elements used in this system are highlighted in the following

diagram.

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Figure 3: System Component Diagram

The data flow proceeds from the tracking devices through the gateway provided in the Kit to the ThingPark

Community Platform (the LoRaWAN Network Server). This network server will be configured to use the

LoRa Cloud Device Join service, which manages the LoRaWAN network join process. Once the devices have

joined the network, ThingPark Enterprise is the secure conduit for data to and from the Application Server,

which is hosted by Tago.IO. The Tago.IO service provides the interface to the position computation engine

(hosted on the LoRa Cloud portal). It also provides complete visualization of the tracking data for the

devices, which are available through a web browser. Each part of this system is independently scalable to

any size application that might be deployed. This demonstration is an example of an end-to-end

deployment of the latest LoRa Edge tracking solutions.

Not pictured is the LoRa Edge™ Config application, which is installed on smartphone devices, and talk

directly to the trackers to initialize and prepare them for operation. This functionality is discussed later in

this Users Guide.

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Getting the Kit Online

There are a few steps involved in getting your trackers online for the first time. The process of setting up

the devices is illustrative of the overall setup and system configuration. By following the steps outlined

below, you should be up-and-running quickly. Large-scale deployments can be automated by bulk import

utilities and APIs.

Creating a LoRa Cloud Portal Account

Before a LoRa Edge Tracker device can be claimed, you first must have an account on the LoRa Cloud portal.

To set up your account in a web browser, navigate to https://www.loracloud.com/.

1. Click Get Started.

Figure 4: Cloud Portal Welcome - Get Started

2. At the prompt, create an account. Use your email address and create a password.

Figure 5: LoRa Cloud Login

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3. You should receive a confirmation email for the account. Click on the confirmation link in the email.

Your browser should open and take you to the login page. After logging into your new account, you

will need to accept the Terms & Conditions of Use. Once you accept these, your account activation

will be complete.

Creating an Application Owner and Getting Your Free Claim Allowance

Before you can claim your devices, you will need create an Application Owner. (An application owner is

used to organize a group of devices.) To create an application owner, login to the LoRa Cloud portal and

then

1. Select the LoRa Cloud Device Join tile.

Figure 6: Selecting the LoRa Cloud Device Join Tile

2. In the side panel, click Application Owners. Enter a name and then click Create New Owner, as

illustrated in Figure 7

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Figure 7: Creating a New Application Owner

Every new account has an allowance of 100 devices that can be claimed for free. You can assign

one and only one of your application owners this allowance. On the Application Owners page, click

the Assign button. You will be prompted to accept the free claim allowance for the associated

Application Owner. Accepting the assignment will allow you to claim up to 100 devices without

charge. Press OK to accept.

Figure 8: Assign your Free Allowance of Claims to an Application Owner

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Claiming a Device

To claim a device, navigate to the Device Join service in the LoRa Cloud portal at

https://www.loracloud.com/portal/join_service. From there, select the Devices link in the left pane.

The Join Server page will display. Under the Devices header, you will be presented with two options: Claim

Individual Device and Bulk Upload (CSV). In your kit, you will be provided information regarding the EUI,

JoinEUI and PIN for your device. In the web interface, if you select the Claim Individual Device you will be

presented with a form that looks like this:

Figure 9: Claiming a Device

The LR1110 Tracker EUI, PIN, and JOIN EUI can be extracted via the BLE Application that is described in

Setting-up and Operating LoRa Edge Trackers

Note: The CHIP EUI can be left blank or you can enter the Tracker EUI. Leave the EXTRA field blank.

Enter the data and then click Claim Device. If the PIN corresponds to the device credentials, the interface

will confirm that the device has been successfully claimed.

On-boarding: Network Server Specific

For the LoRa Cloud Device Join service to handle joining the device to the network, the device must to be

associated with the network server that will route the traffic to it and from it. By default, all compatible

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network servers are enabled for use by your devices. You can skip ahead to the Using the LoRa Cloud

Device & Application Services, unless you only want to enable Join Services for a single network.

You may set up devices that will interact with more than one LoRaWAN network server. Figure 10 shows

two configuration setup examples. In the top example, a block of devices will be configured for LoRaWAN

Network Server 1 (Server 1) the join requests for devices received from that network server for a claimed

device will use the application configuration logic for appo-::a in the system. This is set on the Network

Servers configuration page of the LoRa Cloud Device Join service, or through the Application Owner API

documented here.

The second configuration example shows how the LoRa Cloud Device Join service can support integrations

with multiple network servers.

Figure 10: Relationship between LoRaWAN Network Servers and Applications in LoRa Cloud Applications IDs

The purpose of mapping the registered network server to a specific Application Owner is that specific

parameters can be set up for handling data when operating with each network server. There are three

common settings for each application definition:

name

wrapkey

nslist

The name is an arbitrary string to represent the application. The wrapkey is a specific token used for

encrypting the AppSKey, used during the transport of the AppSKey from the join server to the application

server by the network server. The nslist is a list of LoRaWAN network servers that will be associated with

this Application Owner configuration.

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Each LoRaWAN session derives a unique AppSKey which is used for encrypting the LoRaWAN payload data

between the device and the application server. The wrapkey can be null, indicating that the AppSKey will be

passed from the join server to the application server by the network server unencrypted. For more

information on working with the AppSKey, please see the documentation here.

https://www.loracloud.com/documentation/join_service?url=appskey.html.

Once the network servers are configured for a particular Application Owner via the LoRa Cloud Device Join

service, the device join process can be performed. The LoRaWAN network server that sees the join request

from the claimed device will forward this on to the LoRa Cloud Device Join service (which is operating as

the Join Server in this system). It will provide the session keys and return them, along with the join

response to the network server.

If a wrapkey is defined for the application associated with the network server, the AppSKey is returned

encrypted. Otherwise, the AppSKey will be returned in plain text by the join server. The LoRaWAN network

server will send the join response to the device. Once a data message is sent (following the join response)

to the LoRaWAN network server, the join process will be complete and the device will be configured for

operation on that network server.

Figure 11: Join Flow

Selecting ThingPark Enterprise on the LoRa Cloud Device Join Server

Once the Application Owner has been established, you must use the LoRa Cloud Device Join service to

select the network server.

1. Click NETWORK SERVERS link on the left

2. On the Network Servers page, select ThingPark Community Platform

3. Click ADD

Note: Currently the “Owner Context” for these devices is not defined.

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