Introducing the Aeroflex IFR 3900 Digital Radio Test Platform for professional mobile radio

1
Introducing the Aeroflex IFR 3900 Digital Radio
Test Platform for professional mobile radio

• Tim Carey Marketing Engineer
• Graham Stevens Product Manager

2
Content

• Market Summary
• The Aeroflex IFR 3900 Digital Radio Test Platform
• The Aeroflex IFR 3901 with TETRA test system
  personality options

3
Professional Mobile Communications

• PMR - (Professional Mobile Radio)
• Radio System for private communications
• Most often owned and operated by user
• Dedicated frequencies
• PAMR - (Public access mobile radio)
• Radio System shared by a number of users
• Funded by users or leased from commercial
  operators

4
Professional Mobile Radio Users
America (20 to 25 million users)
Europe (5 to 7 million users)
Asia (5 to 7 million users)
ROW (1 million users)
5
Typical PMR Users

• Public Operators Commercial and Industrial (50)
• Utilities, construction, retail, manufacturing
• On site business radio
• Public Safety and Security (30)
• Emergency services, local / national government
  agencies
• Transportation (20)

6
Digital Trunked Radio Standards

• TETRA - Terrestrial Trunked Radio - ETSI
• Tetrapol - Proprietary (EADS)
• APCO25 - TIA
• EDACS - Proprietary (Ericsson)

7
The Need for Test

• Each digital system has unique complex modulation
  and protocols
• Each are characterised for performance by
  different procedures
• Testing verifies system requirements and user
  needs are met
• Testing ensures availability of service a
  paramount operational requirement
• Testing ensures interoperability of new equipment
  and evolving standards

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Contents

• Market Summary
• The Aeroflex IFR 3900 Digital Radio Test Platform
• The Aeroflex IFR 3901 with TETRA test system
  personality options

9
Introducing the Aeroflex IFR 3900 series
advanced

• The most advanced, comprehensive and flexible
  solution for professional radio communication test

comprehensive
flexible
10
3900 Key Positioning Points

• Re-affirming Aeroflex as the market leader in
  Professional Mobile Communications Test
• High performance RF and advanced digital design
• Simple to use manual / automatic operation

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3900 Lowering the cost of test

• Higher performance measurements to improve
  manufacturing yield
• Faster measurement speed to improve throughput in
  manufacturing and support
• Lower through life support costs by modular
  design, all digital IF and tailored support
  packages
• Lower capital outlay than equivalent predecessors

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3900 Target Market

• Serving the evolving needs of professional mobile
  communications markets world-wide where digital
  modulation and complex protocols provide diverse
  voice and data communications services

13
3900 Target Applications

• Designed for test applications in RD,
  manufacturing and service of terminal and base
  station equipment

14
3900 A Future Proof Investment

• A platform solution with the power and
  flexibility to address present day and future
  communications test needs

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Introducing the 3900 Radio Test Platform

• First launched as IFR3901
• 1MHz to 1GHz platform with options for TETRA
  mobile and base station testing
• Successor to the industry standard Aeroflex IFR
  2968

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3901 Highlights

• 1 MHz to 1 GHz continuous frequency coverage
• 125 Watts direct RF input power
• Windows like full color user interface
• RF Receiver with Complex Modulation Power
  Analyzer
• RF Signal Generator with Complex Modulation
  Generator
• Physical and MAC layer processing
• Protocol Processor
• AutoTest mode
• Remote GPIB or manual operation
• IP addressable via Ethernet

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3900 Front Panel
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3900 Connectivity
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Basic Platform Architecture

• Superhet receiver fully digital IF
• 266 MHz Pentium Processor running LINUX OS
• Texas C6711 3 each with 64 Mbyte RAM
• 200 MHz StrongARM processor
• Xilinx XCV2 FPGA 4000
• 14 bit ADC and DAC sampled at 64.8 Ms/s
• 5 MHz wide IF bandwidth
• 20 GB Hard Drive and 1.44 MB 3.5 Floppy Drive
• Connectivity GPIB, Ethernet 100Base T, USB,
  RS232, LVDS

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Flexible and Intuitive user interface

• Sunlight readable full color LCD display
• Windows-like tiled presentation, with maximize -
  minimize facilities
• Tile functions can be varied and customized to
  specific requirements
• Color coded results data
• Front panel and/or mouse operation
• Simple operation using just 3 function keys.
• Floating menu selection from mouse, navigation
  key or spinwheel controls
• Softkey for controlling operation
• Assignable Rotary spinwheel

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General Look and Feel
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IP Addressable

• Instrument firmware upgrade
• Instrument option enable
• User interface reproduced on remote terminal (X
  Window Client)
• Remote login for Aeroflex Tech Support
• Inter and intra site shared access
• Remote monitoring

internet
23
Robust and Portable

• Heavy duty Front and Rear protection
• Front panel transit cover
• Adjustable bail arm
• Hard and soft transit cases
• Light weight 15.9 kgs, (35 lbs)

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Contents

• Market Summary
• The Aeroflex IFR 3900 Digital Radio Test Platform
• The Aeroflex IFR 3901 with TETRA test system
  personality options

25
TETRA System Options

• Option 110Terminal (MS MST1)
• Option 111Base station (BS BST1)

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Overview of 3901 TETRA features

• Tx and Rx on-channel measurements as per ETSI EN
  300 394-1
• Supports all TETRA call and messaging modes
• TETRA T1 test mode and T1 RF loopback
• TETRA TT registration and TT loopback
• AutoTest system
• TIP Compliant,
• core services, SDS and testing requirements

27
TETRA testing using the 3901

• Testing terminals (mobiles or handsets)
• Transmitter and Receiver tests
• Audio tests
• Automatic test programs
• Base Station Operation
• Summary

28
Testing TETRA Terminals

• 3901 simulates a TETRA Base Station
• Mobile registers to the test set
• Group attachment , test mode registration
• Mobile sets up a call to the test set or vice
  versa
• Private, group, phone, emergency, user defined
• Many other functional tests can be performed
• audio, SDS Text Messages
• Mobile may also have proprietary test modes
• Parametric measurements on transmitter and
  receiver can then be performed

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Functional tests - registration

• The 3901 tests registration
• ITSI Attach
• Attachment of Selected Group
• Multiple Group Attachments
• Commanded Registration
• Roaming update
• Cell re-selection and call restoration
• Test mode Registration (TEI, power class)

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Mobile Classmark report
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Functional tests - call processing

• The 3901 tests call types
• Simplex and Duplex calls
• Group calls
• Private (Individual) calls
• Telephone (PSTN or PABX) calls
• DTMF over-dial
• Hook signalling or direct set-up calls
• Message trunking or transmission trunking
• Mobile Originated (MO) Mobile Terminated (MT)
  calls
• Cleardown, Call Reject, Call Abort

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Functional tests - SDS Short Data

• 3901 tests TETRA SDS functions
• Status Messaging
• Mobile Originated and Mobile Terminated Status
• Short Data Service (SDS) Types 1 to 4
• Mobile Originated and Mobile Terminated SDS
• SDS-TL Text Messaging
• SDS Transport Layer (SDS-TL) protocol supported
• Text messages up to 120 characters
• 8-bit and GSM-compatible 7-bit text coding
• Delivery reports sent and received
• Mobile Originated and Mobile Terminated SDS-TL
• SDS-TL User applications
• standard and short reports

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SDS Text Message Configuration
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Text Message Protocol History
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Status Message Acknowledgement Report
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Functional tests - TIP compliant

• TIP - TETRA Interoperability Profile
• Comprises Core Services and additional optional
  services
• Ensures different manufacturers equipment works
  together
• 3901 and TIP
• Signalling is TIP compliant
• TTR 001-01 core services
• TTR 001-02 Short Data services
• TTR 001-08 Testing requirements

37
TETRA testing using the 3901

• Testing terminals (mobiles or handsets)
• Transmitter and Receiver tests
• Audio tests
• Automatic test programs
• Base Station Operation
• Summary

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Transmitter Tests

• Tested as per ETSI EN 300 394-1

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Tx tests Power Profile

• Full 70 dB burst dynamic range
• Pass / Fail assessed against TETRA / user mask
• Can be averaged over up to 250 bursts

40
Tx tests Phase constellation diagrams

• The phase trajectory and constellation diagrams
  allows manual inspection of phase and amplitude
• The test set indicates the numerical vector error
  results

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Tx tests EVM in Detail

• Vector Error versus Time
• Rotated Vector Display

42
RF Loopback for Receiver Testing
Aeroflex 3900
TETRA mobile
Tx
Returned patterns
Test patterns
Rx

• Optimized for manufacturing and service testing
• TT loopback - equivalent to GSM
• Eliminates need for proprietary interfaces and
  test modes
• T1 loopback for RD and conformance testing

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Receiver Sensitivity Using TT Loopback

• 3901 uses TT loopback for automatic BER, RBER,
  MER tests
• Complete automated control via the RF connection
  only

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Receiver Sensitivity Using T1 Loopback

• 3901 supports T1 loopback BER measurement
• Manual testing of radios in special test modes

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TETRA testing using the 3901

• Testing terminals (mobiles or handsets)
• Transmitter and Receiver tests
• Audio tests
• Automatic test programs
• Base Station Operation
• Summary

46
Testing the Audio Components

• Talk-back provides a quick test of the complete
  path from microphone to transmitter and from
  receiver to earpiece or speaker

Blah blah blah
Sounds familiar!
Blah blah blah
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Testing the audio components

• Digitised test sound produces 1 kHz tonein the
  earpiece of a working mobile
• Enables any talkback failure to be isolated as a
  receive or transmit side audio fault.
• Digitised silence allows testing for audio noise

Sounds like 1 kHz
48
TETRA testing using the 3901

• Testing terminals (mobiles or handsets)
• Transmitter and Receiver tests
• Audio tests
• Automatic test programs
• Base Station Operation
• Summary

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3901 Automatic Test Programs

• Flexible Test Scripts for Automated Testing
• Functional tests
• Registration, call set-up, call clear down
• Transmitter Measurements
• power, power profile, frequency, timing,
  Modulation accuracy vector error RMS, peak,
  residual carrier
• Receiver Measurements
• BER, MER, RBER
• Audio Measurements
• Talk-back, test tone, silence

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3901 AutoText Results Summary
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TETRA Speed Benchmarks

• CONDITIONS
• Mobile Terminal Transmit and Receive Testing
• Transmit results for max, min, and average
  collected
• Receiver results for BER / RBER / MER

• TEST TIME
• No. of Tx Bursts 20 250
• 3901 3.5 seconds 29 seconds
• 2968 28 seconds 262 seconds

Making 3901 up to 9 times faster than 2968
9 times
9 times
9 times
9 times
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TETRA testing using the 3901

• Testing terminals (mobiles or handsets)
• Transmitter and Receiver tests
• Audio tests
• Automatic test programs
• Base Station Operation
• Summary

53
3901 Base Station Test Option 111

• Tests Base Station transmitters
• Power and vector error (RMS, peak, residual)
• Tests Base Station receivers
• Generates various uplink T1 signals for BER, MER
  and PUEM measurement
• Automatic synchronisation to BS Tx signal
• External sync input allows Rx-only test
• Off-air reception
• Locates and identifies base station
• 3901 decodes BS identity MCC, MNC, BCC and LA
• Capture, demodulate and channel decode all four
  slots continuously for up to 16s

54
TETRA testing using the 3901

• Testing terminals (mobiles or handsets)
• Transmitter and Receiver tests
• Audio tests
• Automatic test programs
• Base Station Operation
• Summary

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3901 versus 2968 for TETRA
Faster, more accurate measurement Wider
measurement range Enhanced T1 Test Mode
facilities Enhanced call processing
facilities Easier to use Full color display More
portable Ready for the future
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A Complete Solution from Aeroflex
Development
Production Systems
Conformance testing
Maintenance
3410, 3020 (PXI) Digital Signal Generators
2310 TETRA Signal Analyzer
IFR 3901 Test Set with TETRA system options
IFR 2968 Test Set with TETRA system option
Ref.No.P2501-01
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Summary

• The Aeroflex IFR 3900, the most advanced,
  comprehensive and flexible solution for
  professional mobile radio test
• The Aeroflex IFR 3901 with TETRA Personality, set
  to be the New Industry Standard to succeed the
  IFR 2968
• Aeroflex re-affirms its market leader position

58
Aeroflexs Commitment to TETRA

• Aeroflex was an original signatory to the TETRA
  MoU in 1994
• Aeroflex is actively involved in development of
  TETRA standards
• ETSI EN 300 394-1 Radio Conformance Specification
• TETRA MoU TTR 001 TETRA Interoperability Profile
  (TIP)
• ETSI TETRA TEDS High Speed Data WG4
• Aeroflex is the principal supplier of TETRA test
  equipment for
• Radio conformance testing
• Interoperability testing
• Production test solutions for radio manufacturers
• Service test solutions for radio users and
  operators