Application Note - HEAD acoustics

Establish LTE & 2G/3G connections to HEAD acoustics equipment via Anritsu MD8475A

Application Note

Application Note

Establish LTE & 2G/3G connections to HEAD acoustics equipment via Anritsu MD8475A

Revision: 0

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Application Note

Legal notices:

Copyright:

© HEAD acoustics GmbH 2018. All rights reserved. Subject to change.All rights derived from this, also for partial use, are reserved by HEAD acoustics GmbH, Germany. Reproducing or distributing the manual or parts of it in any form is not allowed without express permission from HEAD acoustics GmbH.

Trademarks:

HEAD acoustics® is a registered trademark.

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Application Note

Table of Contents1 Introduction ..................................................................................................................................................6

1.1 Brief description ....................................................................................................................................61.2 Acronyms and abbreviations ................................................................................................................6

2 LTEconfiguration ........................................................................................................................................72.1 Equipment list .......................................................................................................................................7

2.1.1 HEAD acoustics equipment .....................................................................................................72.1.2 Anritsu equipment ....................................................................................................................72.1.3 Third party equipment ..............................................................................................................7

2.2 Configurationoverview .........................................................................................................................82.3 Cabling to Anritsu MD8475A .................................................................................................................82.4 LTE connection establishment ..............................................................................................................9

2.4.1 Preparations .............................................................................................................................92.4.2 Connection procedure ..............................................................................................................9

3 2G/3Gconfiguration ................................................................................................................................153.1 Equipment list .....................................................................................................................................15

3.1.1 HEAD acoustics equipment ...................................................................................................153.1.2 Anritsu equipment ..................................................................................................................153.1.3 Third party equipment ............................................................................................................15

3.2 Configurationoverview .......................................................................................................................163.3 Cabling to Anritsu MD8475A ...............................................................................................................163.4 2G connection establishment .............................................................................................................17

3.4.1 Preparation .............................................................................................................................173.4.2 Connection procedure ............................................................................................................17

3.5 3G connection establishment .............................................................................................................223.5.1 Preparation .............................................................................................................................223.5.2 Connection procedure ............................................................................................................22

Introduction

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Application Note

1 Introduction

1.1 Brief descriptionThis application note approaches the connection establishment between the Anritsu radio communication tester MD8475A,HEADacousticsequipmentandthetestobject.Thepresentedconfigurationsintendtestingmobiledevices with current mobile communication standards (LTE, 3G, 2G).The document consists of two main chapters. One for the LTE connection and the other one for the 2G / 3G connection.Thestructureofthemainchaptersissimilar.Thefirstsub-chapterillustratestheinterconnectionofallnecessaryhardware.Afterwards,thenextsub-chapterguidesstepbystepthroughtheprocedureforasuccessful connection establishment.The application requires an advanced user knowledge of HEAD acoustics equipment as well as the Anritsu MD8475A. HEAD acoustics will not respond to support requests concerning general handling and technical configurationoftheAnritsuMD8475A.

1.2 Acronyms and abbreviations

Acronym / Abbreviation Description

ACQUA Advanced Communication Quality Analysis

AES Audio Engineering Society

AMR-WB Adaptivemulti-ratewideband

APN Access point name

BNC Bayonet Neill Concelman

DUT Device under test

GSM / GPRS Global System for Mobile Communications / General Packet Radio Service

GSM-EFR GlobalSystemforMobileCommunications-Enhancedfullrate

HHP HEAD handset positioner

HMS HEAD measurement system

IMS IP multimedia subsytem

IPsec Internet protocol security

IPv4 Internet protocol version 4

IPv6 Internet protocol version 6

LED Light-emittingdiode

LTE Long Term Evolution

MCC Mobile county code

MFE Measurement front end

MNC Mobile network code

PDN Packet data network

QCI QoSclassidentifier

RF Radio frequency

RTP Real-timetransportprotocol

SIM Subscriber identity module

SIP Session initiation protocol

UIM User identity module

VoIP Voice over internet protocol

W-CDMA WidebandCodeDivisionMultipleAccess

XLR Ground-left-right

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LTE configuration Application Note

2 LTEconfiguration

2.1 Equipment list

2.1.1 HEAD acoustics equipment

- ACQUA software

- HMS II.3

- HHP IV or HHP III.1

- MFEVI.1

- MFEVIII.1withAMRcodecandnetworkimpairmentsoftware

- CDMVcable(D-Subto2xXLR+2xBNC)

2.1.2 Anritsu equipment

- Anritsu MD8475A signaling tester

- Multi-signallingUnit

- SmartStudio©

- LTEFDDOption

- ExtendedCSCFOption

- LTE Simulation Software

- LTEFDDOption

- MX847550A 1 Year Support Service

2.1.3 Third party equipment

- Ethernet switch

- 3 x Ethernet cable

- RFantenna

- PC for ACQUA software

- Test object (DUT)

- Test SIM card

LTE configuration

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Application Note

2.2 Configurationoverview

2.3 Cabling to Anritsu MD8475A

Ethernet

AES / EBU

RFLTE / 4G

DUT

MFE VI.1

MFE VIII.1

Anritsu MD8475A(IMS Server in-built)

MouthUSB

RF antenna

HMS II.3HHP IV

(or HHP III.1)

Ear

AcousticUSB

= Audio signal= Control and / or audio signal= Acoustic signal

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2.4 LTE connection establishment

2.4.1 Preparations

- Interconnect the hardware according to section 2.2 & section 2.3.

- Boot up Anritsu MD8475A.

- Open SmartStudio© on Anritsu MD8475A.

- Boot up PC and start ACQUA.

- Boot up HEAD acoustics front end(s).

- Insert test SIM card into test object and boot up test object.

2.4.2 Connection procedure

Anritsu MD8475A: Simulation parameter setup

1. Open SmartStudio© on Anritsu MD8475A.

2. Select to open simulation parameter setup.

3. If available, load existing simulation parameter setup by selecting .

4. Select “Simulation”.

5. Set “Simulation Model” to LTE.

6. Select “UIM/SIM”.

7. Check if the UIM/SIM settings apply to the SIM card of the test object.

8. If desired, save the simulation parameter setup by selecting .

9. Confirm simulation parameter setup with byselecting .

Anritsu MD8475A: Cell parameter setup

1. Select to open cell parameter setup.

2. If available, load existing cell parameter setup by selecting .

LTE configuration

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Application Note

3. Select LTE from the “Cell list”.

4. Unfold “Common” in “Cell parameter”.

5. Set the external attenuation (DL Ref Power and UL Ref Power). It shall match the attenuation of theRFantennaandtheantennacable.

6. Set the operating band (“E-UTRABand”)according to the test object.

7. Set the network identity MCC to 001.

8. SetthenetworkidentityMNCto01F.


10. Confirm cell parameter setup by selecting.

Anritsu MD8475A: IPsec and authentication settings

1. Select from the windows taskbar to open IMS services.

2. Highlight “IPsec settings” from the “Property” list.

3. Select to edit IPsec settings.

4. Check the “IPsec active” box and edit the settings according to the test object. or Uncheck the “IPsec active” box to deactivate IPsec.

5. Select toconfirm“IPsecsettings”.

6. Set “IMS authentication” to either “True” or “False”,accordingtothetestobject.

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Anritsu MD8475A: PDN parameter setup

1. Select from the windows taskbar to switch back to SmartStudio© main screen.

2. Select to start the simulation.

3. Select the “Packet” icon to display the PDN information window.

4. Double-click on the row of test object that isconnected via LTE connection to the radio tester. The “PDN Parameter Setup” of the test object pops up.

5. ConfirmtheAPNnameat“CheckAPN”.Changeit if necessary.

6. ConfirmtheIPtype.Changeifnecessary.

7. Select the tab “User equipment”. Check and confirmtheIPv6addressofthetestobject.

8. Select the tab “Bearer”.

9. Confirmthevalue“5”fortheQCIofthedefaultservice.

10. Select the tab “Network”

11. The default settings apply.

12. Select toconfirmandfinish“PDNParameter Setup”.

LTE configuration

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Application Note

Anritsu MD8475A: IMS server

1. Select from the windows taskbar to open IMS services.

2. Set the test object in offline mode / airplanemode.

3. Select the “User Info” tab.

4. Select to unlock IMS authentication.

ACQUAPC:Hardwareconfiguration&radiotesterwizard

1. Start“HardwareConfiguration”.

2. SetMFEVI.1asprimaryfrontendandaAESconnectiontotheMFEVIII.1.

3. SelectMFEVI.1.

4. Set the connection path according to the configuration(cf.screenshot).

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5. SelectMFEVIII.1.

6. Select the tile “VoIP”.

7. Select the tab “Call”.

8. Enable the automatic jitter buffer reset function.

9. Select to start the radio tester wizard.

10. Select the Anritsu MD8475A. The Internet protocol (IPv4, IPv6) depends on the test object.

11. Select “RTP Settings”.

12. Select the desired codec.

LTE configuration

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Application Note

13. Select “Check parameters”. Check if all parameter are correct.

14. If IPsec is active at Anritsu MD8475A: Select to lock IMS authentication.

Do not lock IMS authentication if IPsec is inactive at Anritsu MD8475A and not required by the test object.

15. Select“Finish”toregistertheMFEVIII.1atAnritsu MD8475A.

16. A green LED at the bottom confirms thesuccessful registration.

17. TheSIPaddressofMFEVIII.1appears in the“Registered List” on Anritsu MD8475A.

Anritsu MD8475A: IMS server

1. Set test object back online and force it to register on IMS server.

2. The SIP address of the test object appears in the “Registered List” on Anritsu MD8475A.

3. Check if test object andMFE VIII.1 have thesame public identity address ([email protected]) in the “Registered List”.

ACQUA PC: Call execution

1. Enter the SIP address of the test object in ACQUA and select “Call” to connect test object andMFEVIII.1.

2. Theconnectionthroughouttheconfigurationisestablished.

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2G / 3G configuration Application Note

3 2G/3Gconfiguration

3.1 Equipment list

3.1.1 HEAD acoustics equipment

- ACQUA software

- HMS II.3 (HEAD measurement system)

- HHP IV (or HHP III.1) (HEAD handset positioner)

- MFEVI.1

- MFEVIII.1withAMRcodecandnetworkimpairmentsoftware

- CDMVcable(D-Subto2xXLR+2xBNC)

3.1.2 Anritsu equipment

GSM


- SmartStudio©

- GSM Option

- GSM/GPRS Simulation Software

- GSM Signalling Unit


W-CDMA


- SmartStudio©

- W-CDMAOption

- Multi Signaling Unit

- W-CDMASimulationSoftware


3.1.3 Third party equipment

- Ethernet switch

- 3 x Ethernet cable

- RFantenna

- PC for ACQUA software

- Test object (DUT)

- Test SIM card

2G / 3G configuration

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Application Note

3.2 Configurationoverview

3.3 Cabling to Anritsu MD8475A

= Audio signal= Control and / or audio signal= Acoustic signal

Ethernet

AES / EBU

RFLTE / 4G

DUT

MFE VI.1

MFE VIII.1

Anritsu MD8475A(IMS Server in-built)

Acoustic

MouthUSB

RF antenna

HMS II.3HHP IV

(or HHP III.1)

Ear

Pulse

USB

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3.4 2G connection establishment

3.4.1 Preparation

- Interconnectthehardwareaccordingtotheconfigurationoverview.





- Insert test SIM card into test object and boot up test object.


ACQUAPC:Hardwareconfiguration

1. Start “HardwareConfiguration”on theACQUAPC.


3. SelectMFEVI.1.


5. SelectMFEVIII.1.

6. Set “extern Pulse (48 kHz)”.



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Application Note



Anritsu MD8475A: Connection parameters





5. Set “Simulation Model” to GSM/GPRS.







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12. Select GSM/GPRS from the “Cell list”.







19. Select the voice codec GSM in SmartStudio©.

20. Open “SIPviaMD8475”.

21. Set “GSM” as “Simulation Type”.

22. Set“GSM-EFR”as“VoiceCodec”.

23. Select “Register”.



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Application Note

ACQUAPC:Radiotesterwizard


2. Select “Anritsu MD8475 2G/3G”.

3. Select “IP settings”.

4. Enter the IP address that the Anritsu MD8475A finds. Typically, this is 192.168.1.101. Thecorresponding subnet mask is 255.255.0.0.

5. Select “RTP settings”.

6. Select a suitable initial buffer length. Default setting is 140 ms.

7. Select the preferred audio codec.

8. Select “Check Parameter”.

9. Double check all set parameters.

10. Select“Finish”toregisterthefrontend.

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Anritsu MD8475A: Call execution

1. Go to SmartStudio© main screen. The status of the test object (“UE stauts”) is idle.

2. Enter any number (e.g. 123) on the keypad of the virtual phone on the screen.

3. Select the green call button to initiate call. The radio tester waits for the call acceptance of the test object.

4. Accept the call at the test object.

5. The status of the test object switches from “Termination” to “Communication”.


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Application Note

3.5 3G connection establishment

3.5.1 Preparation

- Interconnectthehardwareaccordingtotheconfigurationoverview.





- Insert sim card into test object and boot up test object.


ACQUAPC:Hardwareconfiguration

1. Start “HardwareConfiguration”on theACQUAPC.


3. SelectMFEVI.1.


5. SelectMFEVIII.1.

6. Set “extern Pulse (48 kHz)”.


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Anristsu MD8475A: Connection parameters





5. Set“SimulationModel”toW-CDMA.








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Application Note

12. SelectW-CDMAfromthe“Celllist”.







19. Set the voice codec AMR in SmartStudio©.

20. Open “SIPviaMD8475”.

21. Set“WCDMA”as“SimulationType”.

22. Set“AMR-WB”as“VoiceCodec”.

23. Select “Register”.


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ACQUAPC:Radiotesterwizard


2. Select “Anritsu MD8475 2G/3G”.

3. Select “IP settings”.

4. Enter the IP address that the Anritsu MD8475A finds. Typically, this is 192.168.1.101. Thecorresponding subnet mask is 255.255.0.0.

5. Select “RTP settings”.

6. Select a suitable initial buffer length. Default setting is 140 ms.

7. Select the preferred audio codec.

8. Select “Check Parameter”.

9. Double check all set parameters.

10. Select“Finish”toregisterthefrontend.


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Application Note

Anritsu MD8475A: Call execution

1. Go to SmartStudio© main screen. The status of the test object (“UE stauts”) is idle.

2. Enter any number (e.g. 123) on the keypad of the virtual phone on the screen.

3. Select the green call button to initiate call. The radio tester waits for the call acceptance of the test object.

4. Accept the call at the test object.

5. The status of the test object switches from “Termination” to “Communication”.

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