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Introducing the Aeroflex IFR 3900 Digital Radio Test Platform for professional mobile radio Tim Carey Marketing Engineer Graham Stevens Product Manager Professional Mobile Radio Users America (20 to 25 million users) Europe (5 to 7 million users) Asia (5 to 7 million users ) ROW

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introducing the aeroflex ifr 3900 digital radio test platform for professional mobile radio

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

Tim Carey Marketing Engineer

Graham Stevens Product Manager

Version 1.0 - September 04

professional mobile radio users
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)

typical pmr users
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%)
digital trunked radio standards
Digital Trunked Radio Standards
  • TETRA - Terrestrial Trunked Radio - ETSI
  • Tetrapol - Proprietary (EADS)
  • APCO25 - TIA
  • EDACS - Proprietary (Ericsson)
the need for test
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
contents
Contents
  • Market Summary
  • The Aeroflex IFR 3900 Digital Radio Test Platform
  • The Aeroflex IFR 3901 with TETRA test system personality options
introducing the aeroflex ifr 3900 series
Introducing the Aeroflex IFR 3900 series

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

advanced

comprehensive

flexible

3900 key positioning points
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
3900 lowering the cost of test
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
3900 target market
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
3900 target applications
3900 Target Applications
  • Designed for test applications in R&D, manufacturing and service of terminal and base station equipment
3900 a future proof investment
3900 A Future Proof Investment
  • A platform solution with the power and flexibility to address present day and future communications test needs
introducing the 3900 radio test platform
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
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

3901 Highlights
basic platform architecture
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
ip addressable
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

robust and portable
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)
contents21
Contents
  • Market Summary
  • The Aeroflex IFR 3900 Digital Radio Test Platform
  • The Aeroflex IFR 3901 with TETRA test system personality options
tetra system options
TETRA System Options
  • Option 110Terminal (MS & MST1)
  • Option 111Base station (BS & BST1)
overview of 3901 tetra features
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
testing tetra terminals
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
functional tests tip compliant
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
transmitter tests

Burst Power

  • Power Profile
  • Modulation Accuracy
  • Residual Carrier
  • Frequency Error
  • Timing Error
Transmitter Tests
  • Tested as per ETSI EN 300 394-1
tx tests power profile
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
tx tests phase constellation diagrams
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
rf loopback for receiver testing
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 R&D and conformance testing
testing the audio components
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

3901 automatic test programs
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
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

TETRA Speed Benchmarks

Making 3901 up to 9 times faster than 2968

9 times

9 times

9 times

9 times

3901 base station test option 111
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
3901 versus 2968 for tetra
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

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

Summary: