Getting Started (NB|METER)

Introduction

NB|EASY is an android application developed to use Vodafone NB devices via a smartphone .

After the connection is successfully done, the device is able to perform E2E connectivity tests .

The application is split into four main parts. Each can be selected by clicking on the corresponding tab. The following sections describe these tabs.

Content

Version history

Version

Date

Changes

Version

Date

Changes

1

1.0

10.17.2019

Initial version

Software installation

You could simply download the application which is available in the Google play store .

Note : Make sure that your smartphone or tablet supports the USB OTG standard before connecting the NB|DEV KIT or any other Vodafone NB device , otherwise , the connection will fail as your smartphone will not consider it self as a host for the device .

Device Selection

After starting the application, the Device Selection page is shown first. Here the to be controlled NB device can be selected by a simple click . by clicking on the button 1 in figure 1 below you will have many options to select as shown in figure 2. You could display th actual and previously connected devices , have information about the devices , access to the IoT Manager platform or the settings section .

Figure 1 : Device selection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 2 : Available options

Network

After clicking on the NB|DEV KIT device , the network page will be displayed.

  1. The modem status shows the current status of the device

  2. Drop down menu to select the NB-IoT network to attach to. The Automatic option can be selected .

  3. Button to start the attachment procedure to the selected NB-IoT network.

  4. Information about the last event

Figure 3 : Network Tab

Cell Information

By clicking on the cell tab you will have all the cell parameters with the corresponding values as shown in the figure 4

 

Figure 4 : Cell information

Parameters

Typical Value

Acceptable value

Parameters

Typical Value

Acceptable value

EARFCN

6347

0..65535

RSRP

-75 dBm

-140dBm..44dBm

RSRQ

-10 dB

3dB..-19.5 dB

RSSI

-66 dBm

-113 dBm..-51dBm

SNR

17 dB


>= 25 dB

TX power

-6 dBm

-40 dB..+23 dB

ECL

0

0..2

Signal bars

4|5

4..5

Tab 1 : Displayed cell parameters

Upload

Through this tab , the user can compose a message (1 in figure 5) and send it to the device.The incoming messages are also monitored.

You can also set automatic data transmission event (2 in figure 5) . The event interval period is configurable.

Figure 5 : Upload Tab

Log

In this tab , the complete communication log history is recorded and can be shared (1 in figure 6).

Figure 6 : Log

Abbreviations :

Abbreviations

Description

Abbreviations

Description

NB-IoT

Mobile communication standard "Narrowband Internet-of-Things"

NB

Short version of "NB-IoT"

EARFCN

E-UTRA Absolute Radio Frequency Channel Number

RSRP

Reference Signal Receive Power

RSRQ

Reference Signal Received Quality

RSSI

Received Signal Strength Indicator

SNR

Signal to noise ratio

RAT

Radio Access Technology

Cell ID

Cell Identity

PCI

Physical Cell Identidy

TAC

Type Allocation Code

RRC state

Radio Ressource Control state

Tab 2 : Abbreviations

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