Verizon LTE LBS - Spirent · PDF fileFigure 1-1: File Cabinet – Test Suites Organization...

Verizon LTE LBS OTA Test Pack

User Manual

Spirent 541 Industrial Way West Eatontown, NJ 07724 USA

Email: [email protected] Web: http://www.spirent.com

AMERICAS 1-800-SPIRENT • +1-818-676-2683 • [email protected] EUROPE AND THE MIDDLE EAST +44 (0) 1293 767979 • [email protected] ASIA AND THE PACIFIC +86-10-8518-2539 • [email protected]

This manual applies to Verizon LTE LBS OTA Test Packs Version 2.00 or higher.

Page Part Number: 71-006497, Version A2

Copyright © 2012 Spirent. All Rights Reserved.

All of the company names and/or brand names and/or product names referred to in this document, in particular, the name “Spirent” and its logo device, are either registered trademarks or trademarks of Spirent plc and its subsidiaries, pending registration in accordance with relevant national laws. All other registered trademarks or trademarks are the property of their respective owners.

The information contained in this document is subject to change without notice and does not represent a commitment on the part of Spirent. The information in this document is believed to be accurate and reliable; however, Spirent assumes no responsibility or liability for any errors or inaccuracies that may appear in the document.

Table of Contents

1. Introduction .......................................................................................... 2

1.1. Overview ........................................................................................... 2

1.2. Installing the Software ....................................................................... 2

1.2.1. Installing Test Pack Software ................................................................... 2

1.2.2. Uninstalling Test Pack Software .............................................................. 2

1.2.3. Upgrading Test Pack Software ................................................................. 3

1.3. Test Suite Organization ...................................................................... 3

1.4. Test Case Details ............................................................................... 4

1.4.1. Quick Facts .............................................................................................. 4

1.4.2. Results ................................................................................................... 4

1.4.3. Parameter Groups ................................................................................... 4

2. Test Case Execution ............................................................................ 14

2.1. Instrument Connectivity ................................................................... 14

2.2. Creating a UE File for the DUT ........................................................... 15

2.2.1. Using the LBS Rover Android Application .............................................. 16

2.3. LBS Rover Applications on Android Devices ....................................... 18

2.3.1. Installing the Applications .................................................................... 18

2.3.2. Configuration Details ............................................................................ 19

2.4. Installing Load Generator on the Application Server .......................... 19

2.5. Executing the Test Suites ................................................................. 20

1. Introduction

1.1. Overview

This section describes the Verizon LTE LBS OTA Stand-alone GPS test pack. This test pack is implemented as defined in “Section 3: Radiated Performance Tests” of the Verizon Wireless LTE LBS Performance Test plan.

1.2. Installing the Software

The test pack software installation is available from Spirent. Contact your local Spirent Sales representative to order the test pack.

The test suites are distributed by Verizon Wireless. Contact Verizon Wireless to obtain the latest suites for the test plan.

The test pack is secured by a TestDrive LTS password option and requires the Verizon LTE LBS Test Pack 2 option to be enabled.

1.2.1. Installing Test Pack Software

To install the Test Pack software:

1. If necessary, shut down the TestDrive LTS program on the LTS Controller PC.

2. Insert the “Verizon Wireless LTE-LBS OTA” CD on the ULTS Controller PC. If you do not have a CD, contact Spirent Support to download it from the Spirent FTP site.

3. On the CD, open the OTA folder and double click on setup.exe to install the software.

1.2.2. Uninstalling Test Pack Software

To uninstall the Test Pack software:

1. From the ULTS Controller PC, select Start>Control Panel>Add or Remove Programs.

2. Select Verizon Wireless LTE LBS OTA Standalone GPS Test Pack.

3. Click the Remove button to uninstall.

Chapter One: Introduction | 3

1.2.3. Upgrading Test Pack Software

To upgrade the Test Pack software:

1. If necessary, shut down TestDrive LTS on the Controller PC.

2. Refer to the steps in Section 1.2.2 to uninstall the Test pack.

3. Refer to the steps in Section 1.2.1 to install the test pack.

1.3. Test Suite Organization

The Verizon Wireless LTE LBS OTA Stand-alone GPS Test Pack installation installs default test suites, as shown in Figure 1-1. The installed test suites are read-only; any changes to the parameters are not saved in the default suites.

Figure 1-1: File Cabinet – Test Suites Organization

4 | OTA Test Pack User Manual

1.4. Test Case Details

The Verizon Wireless LTE LBS OTA Stand-alone GPS tests are pre-configured according to the requirements defined in the Verizon Wireless LTE LBS Performance Test Plan. These tests are often used for device approvals by Verizon Wireless; to test under standard conditions, we recommend that you do not modify any of the test parameters during test execution.

1.4.1. Quick Facts

Test Title Verizon LTE LBS OTA Standalone

ULTS Station Configurations Supported 8100-B Series

Satellite Simulators Supported GSS5060 GSS6560 GSS6700 GSS8000

SSE File Settings Not Applicable

Payload Type Supported Not Applicable

1.4.2. Results

The results for these tests are available in the following formats:

• Test Results Summary

• Detailed Results Window (Text/Graph view and Table view)

• 3D Graph Results

1.4.3. Parameter Groups

Figure 1-2 shows the various parameter groups available for the tests. The values of the parameters under each group are set to the Test Conditions specified in the Verizon LTE LBS Performance Compliance Test Plan. You should not change the values of the parameter without understanding the purpose of the test parameter. For detailed information on the parameters, refer to the Test Parameter sections below.


Figure 1-2: Parameter Groups for the OTA Test

1.4.3.1 General Parameters

Parameter Name Description Range Default Value

Title Read-only parameter identifying the test case.

LTE OTA Data Generation Test/LTE OTA Result Computing Test

Description Test case description. As per test case

Test Pack Type Maps to different types of specification types

VZW - for Verizon Test plan CTIA - for CTIA test plan

VZW

Test Type Maps to the different test types defined in VZW/CTIA Test Plan.

For VZW test plan : Pattern Measurement, Linearization Get Observations Cold Start Sensitivity Hot Start Sensitivity For CTIA Test plans: Pattern Measurement, Linearization Get Observations, Sensitivity Test

Pattern Measurement

Sub Test Type Maps to different test conditions of LTE test parameters

Test 1 Test 2 Test 3

Test 1

Remote Server Maps to different types of mobile agents

UTS Serial Control Server Spirent Mobile Agent

Spirent Mobile Agent

Number of initial cold start Measurements

Specified the no of cold start measurements executed during the test

0 to 180 3

Number of Measurements Per

Specifies the measurement number executed during the

1 to 10000 10



Setting test.

Delay Before 1st Session (s)

Specifies the delay between answer phone call and test start.

0 to 1200 20

1.4.3.2 Pass/Fail Criteria Parameters


Success Rate (%) Percentage of the number of successful position attempts.

0 to 100 95

Allow Measurements with Bad Location Error

Allows Location Error limit for position fix in Sensitivity test.

Yes No

No

Maximum 2-D Position error (m)

Maximum allowed 2-D position error in meters. The values include system uncertainty in position calculation.

0.0 to 50000.0 101.3

Allow Measurements with Bad Response Time

Allows Response Time limit for position fix in Sensitivity test.

Yes No

No

Max Response Time Limit (sec)

Maximum allowed Response time in seconds.

1.0 to 256.0 20.3

Horizontal Error 1(m) Maximum allowed Horizontal Error 1 in meters

1 to 1000

150

Horizontal Error 2(m) Maximum allowed Horizontal Error 2 in meters

1 to 1000

300

1.4.3.3 LTE Network Parameters


Enable LTE Network Emulator

Specifies whether LTE Network Emulator is required for the test execution

Yes No

Yes

Air-Interface Technology Specifies the Air Interface technology for the test.

LTE LTE



Operating Band Specifies the Operating Band used during the execution of the test.

LTE Band 1 LTE Band 2 LTE Band 4 LTE Band 7 LTE Band 10 LTE Band 13 LTE Band 14 LTE Band 17

LTE Band 13

Downlink EARFCN Specifies the EARFCN value for the channel.

Dependent on the Operating band selected. Please refer to the LTE specifications for accurate range values.

This value will be overridden by the Global Air Interface settings during the execution if selected.

Channel Bandwidth (Downlink)

Specifies the channel bandwidth to be used for LTE Network downlink

3, 5,10,15,20 10

Resource Block Start (Downlink)

Specifies the resource block starting number to be used for the LTE Network downlink

0 to 100 0

Modulation Type (Downlink)

Specifies the modulation type to be used for the LTE Network downlink

QPSK 16QAM 64QAM.

64QAM

RB Allocation (Downlink) Specifies the Resource block allocation to be used for the LTE Network downlink

0 to 100 50

TB Size (Downlink) Specifies the TB Size to be used for the LTE Network downlink

Dependent on the downlink RB Allocation and Modulation type

Channel Bandwidth (Uplink)

Specifies the channel bandwidth to be used for LTE Network Uplink

3, 5,10,15,20 10

Resource Block Start (Uplink)

Specifies the resource block starting number to be used for the LTE Network Uplink

0 to 100 0

Modulation Type (Uplink) Specifies the modulation type to be used for the LTE Network downlink

QPSK 16QAM 64QAM.

16QAM

RB Allocation (Uplink) Specifies the Resource block allocation to be used for the LTE Network Uplink

0 to 100 50



TB Size (Uplink) Specifies the TB Size to be used for the LTE Network Uplink

Dependent on the uplink RB Allocation and Modulation type

RSTP Power (dBm) Specifies the power level for LTE Network

-100 to 0 -65.0

UE Power (dBm) Specifies the Uplink power level

-50 to 50 22.0

Power Control Mode

SNR Specifies the SNR for the LTE Network

MIMO Correlation Specifies the MIMO Correlation for the LTE Network Read-only parameter.

Low Medium High

Low

MIMO Configuration Specifies the MIMO Configuration for the LTE Network Read-only parameter.

Disabled MIMO 1X2 MIMO 2X2

MIMO 1X2

Propagation Condition Specifies the Propagation Condition for the LTE Network Read-only parameter.

Disabled EPA5 EVA5 EVA70 ETU70 ETU300 CQI HST

EVA5

Downlink Transmission Mode

Specifies the Downlink Transmission Mode for the LTE Network

Single Input Single Output, Transmission Diversity, Open-Loop Spatial Multiplexing, Single Layer Closed-loop Spatial Multiplexing, Multi-Layer Closed-loop Spatial Multiplexing

Single Input Single Output


1.4.3.4 Data Transfer Parameters


Enable Data Transfer Specifies whether Data Client is required for the test execution

Yes No

Yes

Type of Transfer (UDP) Specifies the type of transfer used

Upload Download Bidirectional UDP Transfer

Bidirectional UDP Transfer

UpLoad Data Rate(Mbps) Specifies the upload data rate in Mbps

0.001 to 100 50

Download Data Rate(Mbps) Specifies the download data rate in Mbps

0.001 to 100 50

Client IP Address Specifies the IP address of the Data Client PC

192.168.9.1

Server IP Address Specifies the IP address of the Spirent SR3920 Application Server

192.168.0.70

UE IP address Specifies the IP address of the UE

192.168.9.1

Protocol Type Specifies the protocol type used for the test cases.

IPv4 IPv6

IPv4

1.4.3.5 LBS Parameters


LBS Method Specifies the LBS method used for the test cases. Read-only parameter.

Stand Alone Stand Alone

Response Time (s) Specifies the Response time value in seconds that is requested from the DUT.

2

Test Time (Seconds) Specifies the time value in seconds to complete one set of measurements for each setting

2 to 180 180

Maximum Horizontal Uncertainty

Specifies the Maximum Horizontal Uncertainty value for the test cases

0 to 10000 1000

Maximum Vertical Uncertainty

Specifies the Maximum Vertical Uncertainty value for the test cases

0 to 10000 1000


1.4.3.6 OTA Parameters


Pattern Test Method Specifies the method of Turntable and Polarization rotate in the chamber.

Polarization Great Circle Polarization Conical Cut Great Circle Polarization Conical Cut Polarization

Conical Cut Polarization

Theta Start Represents the start value of Theta angle.

-180 to 360 0

Theta Stop Represents the stop value of Theta angle.

-180 to 360 150

Theta Step Size Represents the angle of change for Theta rotational positioner.

0 to 180 30

Phi Start Represents the start value of Phi angle.

0 to 360 0

Phi Stop Represents the stop value of Phi angle.

0 to 360 330

Phi Step Size Represents the angle of change for Phi rotational positioner.

0 to 180 30

All Satellites Power Level (dBm)

Represents the GPS power level at the UE receiver point.

-170 to -75 -130

Number of Channels Turned Off

Represents the channels number of satellites turned off. Read-only parameter.

4

C/No Computation Method

Specifies the method used for computing the satellites C/No.

Average Median

Median

Min Samples needed Per Valid Measurement

Represents the minimum number of valid C/No values for each measurement.

1 to 8 5

Delay before starting measurement (sec)

Represents the delay between the rotation changes is ready in the chamber and measurement start.

0 to 6000 1



Test Mode Specifies the method of testing mode. Radiated is the Over-The-Air mode, and Conducted is the method with cables for direct connection to UE.

Conducted Radiated

Radiated

Peak Search Method Specifies the method to search for the peak C/No position.

Automated Manual

Automated

PowerLevel Start Represents the start value of GPS power level.

-160 to 0 -130

PowerLevel Stop Represents the stop value of GPS power level.

-160 to 0 -140

PowerLevel Step Size Represents the step size of GPS power level.

0 to 60 1

Best Fit Method Specifies the method for linearization data.

Linear Fit Linear Fit

Sensitivity Search Algorithm

Specifies the method type of Sensitivity Search algorithm. Read-only parameter.

Multiple Stage Search

Multiple Stage Search

Initial Guess of Sensitivity Level (dBm)

Represents the GPS power level which Sensitivity Search test starts.

-174 to -55 -140

PowerLevel Step Size (fine)

Represents the step size of GPS power level when Sensitivity test is at Fine Search stage.

0.1 to 60 0.5

TIS Parameter Type Specifies the type of TIS calculation. TIS: Total Isotropic Sensitivity; UHIS: Upper Hemisphere Isotropic Sensitivity; PIGS: Partial Isotropic GPS Sensitivity.

TIS UHIS PIGS

Selectable

ChannelFile.txt Specifies the absolute path of channel file containing the ICD channels.

C:\Program Files\Spirent Communications\TestDrive ULTS\ ChannelFile.txt.


1.4.3.7 GPS Scenario Parameters


Scenario File Specifies the GPS Scenario file used for SimGEN software. Disabled parameter.

Specified in the OTA Application Server.

4500 Scenario File (*.scn) Specifies the Simplex45 scenario file to be used for the SimPlex45 software. Disabled parameter.


Replay Scenario File (*.scn_replay)

Specifies the GPS Scenario file to be used for the SimReplay software. Disabled parameter.


GPS Scenario Validity Period (minutes)

Specifies the period time of the scenario file execution. Read-only parameter.

15.00

Simulation Start Date Specifies the GPS Simulation start date. Read-only parameter.

22-Jan-2005

Simulation Start Time Specifies the GPS Simulation start time. Read-only parameter.

00:08:00

BTS Latitude (degrees) Specifies the latitude of the BTS in degrees. Read-only parameter.

33.7500052833

BTS Longitude (degrees) Specifies the longitude of the BTS in degrees. Read-only parameter.

-84.3833363833

BTS Altitude (meters) Specifies the altitude of the BTS in meters. Read-only parameter.

300.00

UE Latitude (degrees) Specifies the latitude of the simulated position in degrees. Read-only parameter.

33.7703150000

UE Longitude (degrees) Specifies the longitude of the simulated position in degrees. Read-only parameter.

-84.3718990000

UE Altitude (meters) Specifies the altitude of the simulated position in meters. Read-only parameter.

28.00



Enable Assistance Speed Optimization

When enabled, accuracy of coarse time assistance is reduced to speed up test execution time. This parameter should only be enabled when running Pattern Measurement or ICD tests. Sensitivity tests give incorrect results if enabled.

Yes No

No

2. Test Case Execution

2.1. Instrument Connectivity

1. Launch the TestDrive LTE application by double clicking the icon shown in Figure 2-1.

Figure 2-1: TestDrive LTS Desktop Icon

2. In TestDrive, select Configure>Instruments.

3. For Platform Configuration, select 8100-B Series.

4. Ensure that the following instruments are selected and the addresses are set as shown in the table below.

Instrument Address

E2010S LTE Network Emulator 192.168.0.180

Spirent GPS Simulator GSS5060/GSS6560/GSS6700/GSS8000

Spirent Data Client 192.168.0.61

Spirent SR3920 Application Server 192.168.0.70

5. Test the connectivity to all the instruments required for the execution of Test Plan by clicking the Test button.

6. When the Instrument Connectivity test is complete, click OK and close the Instrument Configuration window.

7. Launch the TestDrive OTA application by double-clicking the icon shown in Figure 2-2.

Figure 2-2: TestDrive OTA Desktop Icon

8. In TestDrive, select Configure>Instruments.

Chapter Two: Test Case Execution | 15

9. Ensure that the following instruments are selected and the addresses are set as shown in the table below.

Instrument Address

OTA Router 127.0.0.1

OTA Application Sever 127.0.0.1

10. To test the connectivity to all the instruments required for the execution of the Test Plan, click the Test button.

11. When the Instrument Connectivity test is complete, click OK and close the Instrument Configuration window.

2.2. Creating a UE File for the DUT

1. Launch TestDrive LTS on the Controller PC.

2. In the File Cabinet, expand the User Equipment folder.

3. Double-click Sample.ue. A Sample UE File window displays, as shown in Figure 2-3.

Figure 2-3: Sample UE File Window


4. Select File>Save As and save the file with a name relevant to the DUT.

5. Click the UE Automation tab, as shown in Figure 2-4.

Figure 2-4: UE Automation Tab

2.2.1. Using the LBS Rover Android Application

If you are creating the file with the Rover Android Application instead of the UTS Driver, follow the instructions below.

1. Select the UE Automation tab.

2. Select the Enable LBS Rover option, as shown in Figure 2-5.


Figure 2-5: UE Window –Enable LBS Rover Option

3. Save the UE File by selecting File>Save.


2.3. LBS Rover Applications on Android Devices

This section provides information on installing and configuring LBS Rover applications on Android devices.

The following applications are provided by the WITS Corporation:

• LBS Rover

• Trigger Service

• UDP Traffic Generator

To obtain these applications, contact Verizon Wireless.

2.3.1. Installing the Applications

There are two ways to install applications on the device:

1. The “adb” Command

2. The “Application Installer”

2.3.1.1 Installing Applications using the adb Command

1. Install Android SDK.

2. Use the "adb install" command to install the required application on the Android device. For example, enter: adb install MyApp.apk.

2.3.1.2 Installing Applications using the App Installer

1. Download and install an Application Installer app on the Android device.

2. Copy the .apk file of the required application onto the device memory card.

3. After the Application Installer app is has been installed on the device, the .apk files on the memory card display.

4. Select and install the required application.

NOTE: These applications have only been verified on select devices with the Android Operating System. The installation procedures may vary depending on mobile implementation.

If you encounter any issues, contact the WITS Corporation.


2.3.2. Configuration Details

2.3.2.1 Trigger Service Application

1. To keep the Trigger Service application running in the background, select the Run this application when device starts option.

2. SC DLL Host Address: 192.168.0.35

3. SC DLL Host Trigger Port: 15116

4. To save the configuration, click the Save button.

2.3.2.2 UDP Traffic Generator

Test Platform Connections Settings

1. SC DLL Host Address: 192.168.0.35

2. SC DLL Host Port: 5050

3. Click HB Start.

4. To keep the UDP Traffic Generator running in the background, select the Run this application when device starts option.

Upload Server Configuration Settings

1. Upload Host Address: 192.168.0.70

2. Upload Host Port: 5020

3. Upload Throughput: 1000 (optional)

4. Local Port:5030

5. Click UDP Start.

6. Click Save Configuration.

2.4. Installing Load Generator on the Application Server

1. On the Controller PC, open Remote Desktop Connection.

2. Connect to the Application Server IP address: 192.168.0.70.

3. From the Verizon Wireless LTE-LBS CD-ROM, copy the Load Generator Installer package to the Application Server.

4. On the Application Server, run the setup.exe file and follow the instructions for installation.

5. Reboot the Application Server.


2.5. Executing the Test Suites

1. On the Controller PC, launch the following applications:

a. TestDrive OTA

b. Spirent OTA Application Server

c. Spirent OTA Router

2. Browse to the location on the Controller PC where the Verizon LTE LBS OTA Standalone Test Scripts were copied and select the appropriate test suite.

3. Click the Execute Suite button as shown in Figure 2-6.

Figure 2-6: Execute Suite Button

4. The Execute Automatic Test window displays, as shown in Figure 2-7.


Figure 2-7: Execute Automatic Test Window

5. Select an appropriate Results Name folder. This is where the results of the test execution will be saved.

6. Select an appropriate User Equipment file. This is the same file created in Section 1.4.4.

7. In the Test Execution section, select from the available options.

8. In the Air-interface configuration section, select the Use these settings for all tests option and set the following parameters:

a. Technology: LTE

b. Operating Band: LTE Band XIII

c. Downlink EARFCN: Any value between 5180 and 5279


9. Start test execution by clicking the Run button.

10. TestDrive OTA connects to all the instruments and prompts you to reset the UE.

11. Reset the UE and click OK.

12. Let the test execution continue.

13. Depending on the UE file setting, TestDrive may prompt you to connect using the Connection Manager at the beginning of the UDP bi-directional transfer.

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