lte drive test procedure.doc

8/20/2019 LTE Drive Test Procedure.doc

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DT Procedure

LTE Drive Test Procedure

for Single Site Verification

08.2015

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DT Procedure

Description

Description

The RF optimization phase focuses on optimiszation of distribution of radio signals in the

netor!"The main test mothods is dri#e test

$oncentrate on the dri#e test,through hich %ou can cllect radio signal data tested through the &'for anal%zing co#erage,hando#er,and interference of outdoor signals"

Test Preparations

Preparaing Tools and Materials

(efore )T,prepare necessar% softare,hardare and materials to guarantee smooth perpformance

of subse*uent test and anal%sis tas!s"

Software Preparation:

+o" oftare +ame Function Remar!

1 '+'. /robe )ri#e test

2 '+'. ssistant )T data anal%sis

oogle 'arth )ispla% of geographic location and

'n#ironment of an e+ode(,and

displa% of altitude

Hardware Preparation:

+o" )e#ice +ame $ontent Remar!

1 / rdinar% R34+ series /

ome-made (&5

2 )ongle /robe dongle

6aptop /32"01180&($3erial

:ehicle mounted in#erter )$ to $,o#er 00;

5 $ar +ormal $ar

Material Preparation:

+o" 3aterial +eeded $ontent Remar!



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DT Procedure

1 'ngineering /arameter 6ist 6atest #ersion

2 3apinfo map Traffic road la%er,latest station la%er

oogle earth

Software installation

(efore )ri#e Test, 3a!e sure about necessar% softare and the hardare de#ice ha#e installed in

the laptop"uch as '+'. /robe< ssistant"

The /robe peration uide can refer to attachment：

Device connection

fter finished the hardare dri#e softare,tr% to connect to /robe"

To configure hardare using /robe"perform the folloing steps=

Step1: tart '+'. /robe 2" softare"

Step2:Coose configuation!Device Manage"ent!Device Config"

Step#:$lic! the icon highlighted in red belo"

Step$:dd the &' ad>ust the inter#al at hich the &' can connect"

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DT Procedure

Step%:dd the / de#ice"

Step&:fter configuring the hardare"clic! the connection icon"

4f connection is successful,/robe ill displa% the folloing

'End

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DT Procedure

Importing eNodeB information

Step1:4mporting e+ode( information

Step2:



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DT Procedure

'End

Importing the electronic map layer



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DT Procedure

'End

Producing a Test Plan

4n the $onfiguration menu,$lic! %stem $onfig ,and then choose Test /lan"4n this section e

decribe using the Test /lan functions"



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DT Procedure

(TP )pload

(TP Download:

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DT Procedure

'End

Conguring Proe



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DT Procedure

(ield test record

fer Finishing all the abo#e step" ;e can start the dri#e test"

Step1:/lanning the test route" ;e can plan the test road in the map before testing"4t can impro#e

our testing efficienc%

Step2:tart /robe and build a ne test pro>ect@or open the pro>ect %ou ha#e sa#edA

Step#:$onnecting the de#ice and start the test plan



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DT Procedure

Step$:Record the data file around the test areas

Step%:top the test and eBport the test 6og file to anal%sis

Drive Test Procedures

!"Coverage Test

*+,ective

The ob>ecti#e of this test is to chec! if thereCs sapped feeders and if the Radio &nits and

ntennae are radiating as supposed to be"

Coverage Test radio para"eters :

-adio Para"eters Remar!s

RR/ reference ignal Radio /oer, the poer of the &' recei#ed"

4+R signal to interference plus noise ratio ,the *ualit% of the signal in &'

recei#ed

RRD reference signal recei#ed *ualit%,sho the *ualit% of reference signal

/$4 ph%sical cell identifier

1. Serving PCI

For SSV this parameter can indicate whether the PCI is configured correctl or not andwhether the antenna is connected correctl or not.

Procedure Expected Result

!he test is done " dri#ing all the roads

around the sites in idle$acti#e mode .

%&'&( Pro"e will displa the ser#ing PCI

and record the log file.Chec) the PCI of

different cell .

PCI ser#ed correctl in each sector as it

should "e as planned

!est result*

2-Serving RSRP




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DT Procedure

!he test is done " dri#ing all the roadsaround the sites in idle$acti#e mode .

%&'&( Pro"e will displa the ser#ing

+S+P and record the log file

%&'&( ,ssistant can analse the log file

and show the result on the map and

statistics .

'ear a cell * +S+P-/80 dm &3cellent4

in the middle of a cell *

/100 +S+P /80 %ood4

at the edge of a cell *

110 +S+P /100 Fair4

/120 +S+P /110 Poor4

target* the minimum +S+P for 6&s to camp on a

cell is /107 dm.

The RSRP is greater than -110 dB in !0"areas at the cell.

!est result*

#-Serving RSR$


!he test is done " dri#ing all the roads

around the sites in idle$acti#e mode .%&'&( Pro"e will displa the ser#ing +S+

and record the log file.


and show the result on the map and statistics

.

RSR$ - /10 d &3cellent4

/12 d +S+ /10 d %ood4

/19 d +S+ /12 d Fair4

/1: d +S+ /19 d "ad4

target% The RSR$ is greater than -1& dB in

!0" areas at the cell.

!est result*

#-Serving SI'R


!he test is done " dri#ing all the roadsaround the sites in idle$acti#e mode .

%&'&( Pro"e will displa the ser#ing SI'+

and record the log file.

SI'+ - ;0 &3cellent4

20 d SI'+ ;0 d Ver good4



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DT Procedure


and show the result on the map and statistics

.

10 d SI'+ 20 d good4

0 d SI'+ 10 d Fair4

20 d SI'+ 0d poor4

target % The SI'R is greater than 0 dB in

!0" areas at the cell.

!est result*

#" Throughput test

Description

1- For each cell e should find 34) /oint and FR /oint aa% from the site to do )6


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DT Procedure

)6=153bps,&6=103bps

tart donlin!


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DT Procedure

" 3o#e the &' from the co#erage of cell 1 to the

co#erage of cell 2, or ad>ust the attenuator to ma!e the

signal *ualit% of cell 2 better than that of cell 1 to

trigger a hando#er for the &'"

" fter the hando#er is complete, chec! the status of the

FT/ donloading tas!""

-e"ar=s

1G" The folloing figure shos the message flo of intra-fre*uenc% hando#er procedure of intra-

e+ode("

@1A" The &' sends the 3easurement Report message @ '#entA to the e+ode("

@2A" The e+ode( sends the RR$ $onnection Reconfiguration message to the &' to indicate that the

radio resource configuration information for &' random accessing"

@A" The &' sends the RR$ Reconfiguration $omplete message to the target cell to confirm that the &'attaches to the target cell successfull%"

@A" The e+ode( sends the RR$ $onnect Reconfiguration message to the &' to indicate the

configuration of &' measurement and gets bac! the RR$ Reconfiguration $omplete @ando#er

completeA message from the &'"


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