Download - 10 Truchard Keynote
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Integrating Design and Test for Next-
Generation Communications Systems
Dr. James Truchard
CEO, National Instruments
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NI Overview
Founded in 1976 and HQ in Austin, TX
30+ years growth and profitability
• $873M revenue in 2010 (+29% YOY) and 17% operating income
• $253M revenue in Q2 2011 (+20% YOY)
6,000+ employees; operations in 50+ countries
FORTUNE’s 100 Best Companies to Work For list for 12 consecutive years
Strong investment in R&D for new product development
Over 30,000 customers
Over 7000 universities
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The Virtual Instrumentation Approach
The Software Is the Instrument
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NI’s History in Automated Test
Control Traditional Instruments
Complete System Platform
Simple PC-Based Measurements
PC Data Acquisition
LabVIEW RT, FPGA
PXI System Platform
GPIB Instrument Control
LabVIEW Software
1980s 1990s 2000s
TestStand
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Vacuum Tube Transistor (Integrated Circuit)
Software
1920
General Radio
Hewlett Packard
National Instruments
1965 2010
Evolution of Instrumentation
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Acc
urac
y (B
its)
26
24
22
20
18
16
14
12
10
8
4 1 10 100 1K 10K 100K 1M 10M 100M 1G 10G 100G
Sampling Rate (S/s)
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Traditional Instruments NI Products, 2011 NI Products, 2004 NI Products, 1995
Phase Matrix Products and Technology
Expanding Measurement Capabilities
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Graphical System Design
The National Instruments Vision
Real-Time Systems
Software-Defined Radio
Embedded Monitoring
Hardware-in-the-loop
Test and Measurement
Automated Test
Data Acquisition
Reconfigurable
Instruments
Industrial and Embedded
Industrial Control (PAC)
Machine Control
Electronic Devices
“To do for embedded what the PC
did for the desktop.”
“To do for test and measurement
what the spreadsheet did
for financial analysis.”
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Hardware APIs
Programming Approaches
Analysis Libraries
Deployment Targets
A Highly Productive Graphical Development Environment for Engineers and Scientists
Custom User Interfaces
Technology Abstractions
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LEGO® MINDSTORMS® NXT
“the smartest, coolest toy
of the year”
CERN Large Hadron Collider
“the most powerful instrument on earth”
Empowering Users Through Software
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Scalable Software Abstraction A
bstr
actio
n
System Complexity
Machine Code
Assembly Language
C
C++
C#
System Design Platform
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Large Telescope
Mirror Control Tokomak
Plasma Control
Wind Turbine Sound
Source Characterization Early Cancer
Detection
Challenges in Signal Processing
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Example: Tokamak – Shape Control
RjZRRR
R o
2
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Shape
Reconstruction
Tomography
Soft X-Rays
Magnetic
Sensors
Bolometric
Sensors
Grad-Shafranov
Solver
Controller PID, MIMO
Target Shape
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World’s First Real-Time OCT Imaging
• Using PXI for Optical Coherent Tomography
• Combining 320 simultaneous channels,
• Uses FPGA’s and GPU’s for 3D imaging
• LabVIEW performing >700,000 FFT/sec
• Enables early cancer detection
Rendered 3D fingerprint image
“We leveraged the flexibility and scalability of the PXI
platform and NI FlexRIO to develop the world’s first
real-time 3D OCT imaging system.”
- Dr. Kohji Ohbayashi
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Controlling the World’s Largest Telescope
1.87 TFLOPs
[5k x 56k] x 56k every 300μs
64 compute nodes (512 cores)
14k samples
every 2 ms
Group of 4
compute nodes
5k samples
every 2 ms
3 additional
“stars”
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LabVIEW
`̀
Real-Time
LabVIEW
Desktop
LabVIEW
FPGA
LabVIEW
MPU/MCU
System Design to Deployment
Personal Computers PXI Systems CompactRIO Single-Board RIO
Dataflow C / HDL Code Textual Math Simulation Statechart
Custom Design
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• Integrate existing .m code in LabVIEW
• Easily connect simulation to hardware
Using .m Files in LabVIEW
MIMO Channel Estimation
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GSM/EDGE 3G LTE
2000
Evolution of Wireless Technology
2005 2010
500 kbps 40 Mbps 300 Mbps Downlink
Data Rate
1 GOPS 100 GOPS 1 TOPS Handset
Complexity
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Architectures for High-Performance Computing
Supervisory Node
Computing Nodes
Actuators
Sensors
Actuators
Sensors
Actuators
Sensors
Actuators
Sensors
Actuators
Sensors
Actuators
Sensors
Multicore CPU
Multicore CPU
GPU GPU
FPGA
FPGA
Visualization
(User Interface)
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CPU
Performance
(GFLOPs)
FPGA
Performance
(GMACs)
1997 2001 2002 2004 2005 2006 2009 1999
5
50
500
5,000
5
50
500
5,000
FPGAs
CPUs
2010
6.737 TMACS
2011
Parallel Architectures Drive Performance
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FPGAs Multicore
Processors
Task Parallelism Data Parallelism Pipelining
Parallel Programming with LabVIEW
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How We Map Problems … Model of Computation to Idea / Platform
Pipelined Execution (Signal Analysis)
Distributed Calculation (Finite Difference Method)
Parallel Calculation
(Dense Linear Algebra)
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NI RF 6 GHz
P2P
FPGA
RIO Host
Embedded, PC
RF RIO
NI SDR NI FlexRIO
USRP for
LabVIEW NI RF VSG
NI Platforms for RF/Communications
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LabVIEW Development Environment
with Connectivity to 3rd-party Math Software
NI Platform for Signal Processing and Communication
Textual (MathScript)
Signal Processing and Analysis
Graphical (Dataflow)
Signal Processing and Analysis
JTFA, Wavelet,
Time-Series Analysis
Signal Processing
for Measurements
Digital Filter Design,
Adaptive Filter Design
Communications
Modulation, Coding, …
cRIO, cDAQ PXI FlexRIO PC/Mac NI SPEEDY-33
TI DSK
Sound Card /
Web Cam
Control Design,
Dynamic Simulation
Real-Time Image
Processing / Vision Sound & Vibration
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Modulation Toolkit
Modulation and Demodulation
Channel modeling and impairments
Channel coding and decoding
Channel coding and decoding
LabVIEW simulation and modeling tools
for communication system design
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Typical Communications System
Communications Channel
Source Coding Channel Coding Modulation Upconversion
Downconversion Demodulation Channel Decoding Source Decoding
Bits Bits Bits
Bits Bits Bits
Transmitter
Receiver
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Communications System in LabVIEW
Receiver
Communications Channel Channel Model
Transmitter
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NI Modulation Toolkit
NI Modulation Toolkit
NI USRP
NI USRP
Digital Communication System
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NI USRP at Stanford University
…with the NI USRP, we’re able to
provide exposure in introductory
courses for the first time.
“ “
Dr. Sachin Katti
[ Electrical Engineering & Computer Science ]
Students rated the class 4.94/5.0,
likely making it one of the highest
ratings among all classes in the
School of Engineering at Stanford.
“ “
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Libraries for Communications Standards
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LTE Advanced: 8x8 MIMO
OFDM
Tx
OFDM
Tx
OFDM
Tx
OFDM
Tx
OFDM
Tx
OFDM
Tx
OFDM
Tx
OFDM
Tx
OFDM
Rx
OFDM
Rx
OFDM
Rx
OFDM
Rx
OFDM
Rx
OFDM
Rx
OFDM
Rx
OFDM
Rx 8x8 MIMO Wireless Channel
MIMO
Encoder
Carrier 1
MIMO
Encoder
Carrier 2
MIMO
Decoder
Carrier 1
MIMO
Decoder
Carrier 2
Two- channel carrier aggregation (40 MHz) yields > 1 Gbps
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Traditional Test Bed • 8x8 MIMO
• 80 Mbps Data Rate
• 5 MHz Bandwidth
Six 18-inch Racks
PXI Approach • 8x8 MIMO
• ~1000 Mbps Data Rate
• 2 x 20 MHz Carrier Aggregation
>10x performance at 1/10 cost
Two 18-inch PXI Chassis
LTE Advanced Downlink Testbed
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Implementing 8x8 LTE-A Downlink in PXI
4x
5762
FAM
8x
PXIe-
5601
4x P
XIe
-796
5R F
lexR
IOs
P2P
MIMO
Decoder
MIMO
Decoder
MIMO
Enc
& Mod
MIMO
Enc
& Mod
OFDM
OFDM
OFDM
OFDM
8x
5781
FAM
8x
PXIe-
5611
8x P
XIe
-796
5R F
lexR
IOs
P2P
>1GB/s Over
PXIe Back-
plane
>1GB/s Over
PXIe Back-
plane
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LabVIEW DSP
Design Module Early Access Program
HDL/RTL LabVIEW Today
Platforms for Communication
System Design
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Future Communication System Design
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The Next 25 Years – The Expanding Role of LabVIEW into System Design
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Future of RF System Design
RF/Microwave Circuit Design
Electromagnetic Simulation
Link Budget Analysis
System simulation
Real-time Control
FPGA prototype
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AWR Overview
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Accelerating Time to Market
Research/Modeling Design/Simulation Verification/Validation Manufacturing
Product Verification Design Verification
Measurements to
create models
“Hardware in the Loop” to
improve simulations Verification Test Production Test
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Linking Design and Test
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Signal Generator Signal Analyzer DUT
Linking Design and Test
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NI in Industry and Academia
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Previous Characterization Test Bench PXI-Hybrid Characterization Test Set
Original Test Time PXI Test Time Speedup
GSM Test 6 sec 1.1 sec 6x
EDGE Test 14 sec 1.1 sec 14x
WCDMA Test 9 sec 1.1 sec 9x
Linking Design and Test
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Cost
Previous Solution PXI Solution Improvement
RF Analyzer + SW $85,000 $29,999 2.8X
RF Generator + SW $77,000 $23,999 3.2X
Total Cost $162,000 $54,000 3X
Test Time
Test Previous Solution PXI Solution Improvement
WCDMA ACP 400 ms 30 ms 13X
LTE EVM 1.2 s 390 ms 3X
Total Time 3 day 8 hrs 10X
"The new test automation platform built on NI TestStand and LabVIEW helped us reduce
the time necessary to validate an RFIC from two months to three weeks."
– Sylvain Bertrand, ST-Ericsson
Testing NovaTHOR 3G/4G
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Integrated Design and Test (2005) 4G MIMO-OFDM Wireless Prototyping
“The motivation in the design of this flexible prototype is that students
should have a mechanism for testing theoretical work with practical
implementations, thus bridging the gap between theory and practice.”
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• UT Austin – Prof. Sriram Vishwanath
• Objectives
Create a test bed for interference
alignment experimentation
Latest breakthrough in information theory
• Rate increases linearly with no. of users
Test practical viability
Interference Alignment Research (Today)
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• Virginia Tech. – Prof. Tamal Bose, Prof. Jeff Reed
• Objectives
Implement spectrum sensing on FPGA
Blind modulation classification using cumulant method
Develop cognitive engine for high-speed rail application
New Advances in Cognitive Radio
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{H}
RF A/D Matched
Filter N FFT
Buffer
RF
RF
N FFT
Joint
Decoding
MMSE
Filter
Frame
Buffer
Soft Bit
Estimates
Soft Bit
Estimates
MMSE
Preprocessing
Channel
Estimation
MMSE
Filter
Frequency
Offset
Estimation
Pilots MMSE
coeffs
LabVIEW
RT/FPGA Custom
VHDL
UC Berkeley –
Prof. Borivoje Nikolic
Prof. David Tse
Techniques for improving capacity –
advanced coding techniques, encoder
and decoder design
Source
Relay
Destination
Matched
Filter
Cooperative MIMO Receiver
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