A Software-Based Test Architecture for
Emerging Wireless Technologies
Steve Chiang
Field Application Engineer
National Instruments Taiwan
ni.com/taiwan
1
Many wireless standards…
802.11e
802.11d
cdma2000
802.11h
GSM
RFID
TD-SCDMA
802.11r
IBOC
802.15.1
DAB
WiMAX –
802.16e
802.11g
XM
802.11b
UMTS
AM/FM
802.11i
802.11k
802.11j
802.11a
802.11v
EDGE
802.20
802.11a
T-DMB
HSDPA
DVB-T
802.11u
ZigBee
802.11t
802.11s
Sirius
UWB
802.11
802.11f
WiMAX –
802.16-2004
802.11n
GPRS
ni.com/taiwan
2
802.22
ni.com/taiwan
3
Today’s Design Challenges: Converging Technologies
Automotive Telematics System
ni.com/taiwan
4
•WPAN – Wireless Personal Area Network
Wireless Networks
•WLAN – Wireless Local Area Network
•WMAN – Wireless Metropolitan Area Network
•WRAN – Wireless Regional Area Network
WPAN
0
WLAN
10m
WMAN
WRAN
100m
40km
ni.com/taiwan
5
Wireless Networks
RFID ZigBee
UWB
Bluetooth
0
802.11
10m
802.16-2004
802.16e
802.22
100m
40km
ni.com/taiwan
6
cdma2000
Evolving Wireless Standards
802.22
UMTS
WiMAX – 802.16e
802.11a
802.11
ZigBee
IS95
802.11b
802.11h
AMPS
802.15.1
IS136
HSDPA
802.11j
802.20
WiMAX – 802.162004
GPRS
TD-SCDMA
802.11i
IS54
802.11n
802.11g
GSM
UWB
EDGE
802.11d
802.11k
802.11f
802.11e
802.11u
802.11j
RFID
1990
1995
2000
2005
ni.com/taiwan
7
2010
cdma2000
Evolving Wireless Standards
802.22
UMTS
WiMAX – 802.16e
802.11a
802.11
ZigBee
IS95
802.11b
802.11h
AMPS
802.15.1
IS136
HSDPA
802.11j
802.20
WiMAX – 802.162004
GPRS
TD-SCDMA
802.11i
IS54
802.11n
802.11g
GSM
UWB
EDGE
802.11d
802.11k
802.11f
802.11e
802.11u
802.11j
RFID
1990
1995
2000
2005
ni.com/taiwan
8
2010
Multiple Technologies on a Single Chip
• Chip manufacturers strategy
– Unclear which technology will win
– Package as many standards/technologies as
possible on a single chip
ni.com/taiwan
9
Multiple Technologies on a Single Device
• Standards for interoperability of multiple technologies
– For Example: UWB and Bluetooth
•Phone
•Email
•SMS
•browser
•Bluetooth
•Quad-band
850/900/1800/1900
MHz GSM/GPRS
•4096-color screen
•Bluetooth
•HSCSD
•GPRS
•EGSM/GSM
•XHTML Browser
•Wireless phone-to-phone
or phone-to-computer
connectivity
ni.com/taiwan
10
Ongoing Work in the Wireless Market
•
•
•
•
•
•
•
OFDM
4G Cellular
Cognitive Radio
Ad Hoc and Sensor networks
Software Defined Radio (SDR)
Multiple Antenna Systems (MIMO)
Ultra-Wideband (UWB)
– 3.1 to 4.8 GHz for first generation devices
• Multiple Wireless Standards Coexistence
ni.com/taiwan
11
RF Equipment Buying Cycle
• 5-7 years is the life of RF equipment
• New standards/functionality implemented into
devices on a continual basis
ni.com/taiwan
12
cdma2000
Evolution of Wireless Standards
802.22
UMTS
WiMAX – 802.16e
802.11a
802.11
ZigBee
IS95
802.11b
802.11h
AMPS
802.15.1
IS136
HSDPA
802.11j
802.20
WiMAX – 802.162004
GPRS
TD-SCDMA
802.11i
IS54
802.11n
802.11g
GSM
UWB
EDGE
802.11d
802.11k
802.11f
802.11e
802.11u
802.11j
RFID
1990
1995
2000
2005
ni.com/taiwan
13
2010
Hardware: Integrated Test and Design
Verification Environment
Embedded
Software Development
Tools
Test Software
System Control
Networking
Test
Hardware
Analog Output
• DC, AC
• Audio, Video
• IF, RF
Signal Processing
and Analysis
Digital Output
Visualization
•Serial
•Parallel
Design Under Test
Transceiver
Embedded
Processor
Memory
Power
Logic
Peripheral
Interfaces
System Clocking and Triggering
Design Simulation
Tools
ni.com/taiwan
14
Test
Hardware
Analog Input
DC, AC
• Audio, Video
• IF, RF
Digital Input
•Serial
•Parallel
Wide Range of PXI Modules
DAQ AND CONTROL:
•Multifunction I/O
•Reconfigurable I/O
•Digital I/O
•Analog Input/Output
•Vision and Motion
•Counter/Timers
INSTRUMENTS:
•Oscilloscopes
•Digital Waveform Generator/Analyzers
•Digital Multimeters
•Signal Generators
•Switching
•RF Vector Signal Generation and
Analysis
INTERFACES:
•GPIB
•SCSI + Enet
•Boundary Scan/JTAG
•CAN + DeviceNET
•RS-232/RS-485
•VXI/VME
ni.com/taiwan
15
Overview of PXI Synchronization Features
• PXI Trigger Bus
– 8 TTL
– Trigger, Clock, and Handshaking
Signals
• System Reference Clock
–
–
–
–
10 MHz TTL
Phase Lock Looping
Equal-Length Traces
< 1 ns Skew
• PXI Star Trigger Bus
– 1 Per Slot
– Star Configuration
– Matched in Prop. Delay to Within 1 ns
ni.com/taiwan
16
PXI supports Hybrid Test Systems
• Protect investments in existing
equipment
• Allows use of the latest
technologies
• Optimize system resources
and minimize costs
• Allow system to meet unique
requirements through flexible
architectures
ni.com/taiwan
17
RF Vector Signal Generation
NI PXI-5671 2.7 GHz RF Vector Signal Generator with Digital
Upconversion
•
Measurement Performance
–
–
–
–
•
250 kHz to 2.7 GHz
20 MHz Real-Time Bandwidth
-145 to +10 dBm power level
50 ppb frequency accuracy
Flexible Modulation Software
– ASK, FSK, MSK, GMSK, PSK, QPSK,
/4 DQPSK, QAM, AM, FM, PM,
Custom
•
Deep Onboard Memory
– 32, 256, and 512 MB memory options
ni.com/taiwan
18
RF Vector Signal Analyzer
NI PXI-5660 2.7 GHz RF Vector Signal Analyzer
• Measurement Performance
–
–
–
–
–
9 kHz to 2.7 GHz
20 MHz real-time bandwidth
80 dB SFDR
50 ppb frequency accuracy
30% of size, weight of competing instruments
• Wide Range of Analysis
– Modulation and Spectral Measurement Toolkits
• Measurement Throughput
– 30-200x faster RF measurements
ni.com/taiwan
19
Software: Solving Application Specific Requirements
ni.com/taiwan
20
Measurements, Modulation, and Visualization
Modulation Toolkit for LabVIEW and LabWindows/CVI
•
Analog and Digital modulation formats
– AM, FM, PM
– ASK, FSK, MSK, GMSK, PAM, PSK, QAM
•
Visualization
– 2D and 3D Eye, Trellis, Constellation
•
Modulation Analysis
– BER, MER, EVM, burst timing, frequency
deviation, ρ (rho)
•
Impairments
– Additive White Gaussian Noise (AWGN)
– DC offset, Quadrature skew, IQ gain
imbalance, phase noise
•
Equalization, Channel Coding, Channel
Models
ni.com/taiwan
21
Source Decoding
Decoding
Source
Channel Decoding
Decoding
Channel
Demodulation
Demodulation
Downconversion
Downconversion
Upconversion
Upconversion
Modulation
Modulation
Channel Coding
Coding
Channel
Source Coding
Coding
Source
Digital Communication System
Communications Channel
ni.com/taiwan
22
NI RF Software-Defined RF & Microwave Test
ni.com/taiwan
23
NI RF & Communications Platform
NI Modulation Toolkit
PXI RF Vector Signal
Generator
NI Modulation Toolkit
PXI RF Vector Signal
Analyzer
ni.com/taiwan
24
NI RF & Communications Platform
Multiple Standards – One Platform
A Software-Defined Approach to RF & Microwave Test
ni.com/taiwan
25
宗臣科技簡介
宗臣科技股份有限公司
行銷工程師
徐佩伶
ni.com/taiwan
26
Company Introduction
• RF Alliance Member of National Instruments
– Previous NI engineers and AE managers
– Many years of PXI platform experience
• RF Test Equipment Provider
– Measurement and testing equipments
– R&D / product line test solution
ni.com/taiwan
27
T&C Tech RF Solutions
T&C Tech Software
Terminal (DUT)
Base Station (DUT)
RF Signal
NI Hardware
ni.com/taiwan
28
T&C Tech RF Solutions: Architecture
T&C Tech System
T&C Tech Software
RF Record
AM / FM
Spectrum
RDS
WiMAX
ZigBee
CW
DVB-T
DVB-H
WCDMA
CDMA
EDGE
GSM
RFID
GPS
MIMO
…
PXI / PXIe Bus
PreAmplifier
ni.com/taiwan
RF
IF
Module
Module
NI Hardware
Real-Time
Processing
NI Platform
29
T&C Tech RF Solutions: Platform
□ NI 5672 2.7 GHz VSG
–
–
–
–
250 kHz to 2.7 GHz
20 MHz real-time bandwidth
-145 to +10 dBm power level
50 ppb frequency accuracy
□ NI 5661 2.7 GHz VSA with PreAmp
–
–
–
–
–
9 kHz to 2.7 GHz
20 MHz real-time bandwidth
-165 dBm/Hz noise floor
50 ppb frequency accuracy
80 dB SFDR
ni.com/taiwan
30
宗臣科技 –
demo
- FM
- RDS
- DAB
ni.com/taiwan
31
T&C Tech RF Solutions: System
•
RF Recording NEW
•
Digital TV Testing
•
RFID Testing
•
DAB Testing
•
GPS Testing
•
WiMAX Testing
•
ZigBee Testing
•
GSM Testing
ni.com/taiwan
32
非常感謝您的參與!
ni.com/taiwan
33