10 software-designed instrumentation the evolution for wireless testing
TRANSCRIPT
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Software-designed Instrumentation,
the evolution for Wireless testing
Alexsander Loula
Business Development Manager
National Instruments Brazil
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Company overview
Founded in 1976 and HQ in Austin, TX
• Dr. James Truchard, President, CEO, and Cofounder
• Jeff Kodosky, NI Business and Technology Fellow, and Cofounder
30+ years growth and profitability
• $1.04B revenue in 2012
6500+ employees; operations in 45+ countries
FORTUNE’s 100 Best Companies to Work For list for 12 consecutive years
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The motivation…
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In a recent past
Pope election in 2005 / 8 years ago
Source: http://www.spiegel.de/panorama/papst-momente-bilder-zeigen-vergleich-zwischen-2005-und-2013-a-889031.html
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Nowadays
Source: http://www.spiegel.de/panorama/papst-momente-bilder-zeigen-vergleich-zwischen-2005-und-2013-a-889031.html
Pope election in 2013
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Evolution in Technology = Evolution in Product
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CDMA
GSM EDGE
802.11abg 802.11n 802.11ac
802.11ad
GPS
GLONASS
LTE
LTE-A
ZigBee
Bluetooth
WiMAX
NFC
RFID
Increasing complexity
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Today’s expectations of the perfect wireless test
instrument
image courtesy of Wade Lowdermilk, BAE Systems
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Expectation: More functionality
image courtesy of Wade Lowdermilk, BAE Systems
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Expectation: Smaller footprint
image courtesy of Wade Lowdermilk, BAE Systems
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Expectation: Reduced cost
image courtesy of Wade Lowdermilk, BAE Systems
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Expectation: Accelerated delivery
image courtesy of Wade Lowdermilk, BAE Systems
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Expectations force a redefinition of instruments
More Functionality
Smaller Footprint
Reduced Cost
Accelerated Delivery
images courtesy of Wade Lowdermilk, BAE Systems
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The Software-designed Approach
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RF Software-designed Instrumentation Basic Block Diagram
FPGA (DSP)
VSA (High Performance
RX FE)
CPU Multicore
Bus
VSG (High Performance
TX FE)
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Example 802.11ac:
• Modulation: 256 QAM OFDM
• BW: 80MHz
• Level: -20 dBm
EVM:
• Specification: ≥ -42 dB
• Measured: -47.67
High Performance RF Front Ends
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FPGA Power and Open-source driver Programmable by the user with high level environment
Open, easily and fully programmable
by the user
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The best of both Worlds: CPU & FPGA
FPGA
Performance
(GMACs)
CPU
Performance
(GFLOPs)
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Bus Performance
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WCDMA & HSPA+
Support for several wireless standards
WiMAX WLAN
802.11 a/b/g/n/ac
ZigBee GNSS GPS, GLONASS
LTE (FDD/TDD)
GSM/EDGE +
RFID/NFC AM/FM/RDS
Bluetooth (2.1+EDR)
CDMA2000 EV-DO
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How institutions are using the
Software-designed Instrumentation
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“Overall, this new system was 10 times faster and 3 times less
expensive than the previous solution. The platform also provided
the flexibility needed to adapt to all the different digital and RF
standards.”
- Sylvain Bertrand, ST Ericsson
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Qualcomm Results for WLAN tests
Early 2000 - Traditional
Rack and Stack
2007 - NI PXI RF
Instrumentation
802.11a + b + g + 802.11n + 802.11ac
10X Faster Than
Traditional
200X Faster Than
Traditional
2012 - NI PXI Vector Signal
Transceiver
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"Using the Software-designed Instrument and the WLAN
Measurement Suite, we improved test speeds by more than 200
times compared to traditional rack-and-stack instruments while
significantly improving test coverage.“
- Doug Johnson, Qualcomm Atheros
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5G Research
Source mmWave: http://www.profheath.org/hot-topics/millimeter-wave-cellular-systems/
Source GFDM: https://mns.ifn.et.tu-dresden.de/Lists/nPublications/Attachments/750/FutureNetworkSummitPaper.pdf
mmWave
GFDM
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Summary
• Increasing device complexity requires a flexible and
software adaptable test platform
• The set of FPGA, CPU and bus technologies is essential
for the Software-designed Instruments
• High performance RF front ends are key to support the
newest wireless standards
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Q&A
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Thank You!
NI Brazil
(011) 3149-3149
brasil.ni.com