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 | |
---|---|---|---|
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
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Figure 2 : Available options
Network
After clicking on the NB|DEV KIT device , the network page will be displayed.
The modem status shows the current status of the device
Drop down menu to select the NB-IoT network to attach to. The Automatic option can be selected .
Button to start the attachment procedure to the selected NB-IoT network.
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
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Figure 4 : Cell information
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 |
|
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 |
---|---|
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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