![Page 1: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/1.jpg)
Colloquium Talk:University of Massachusetts, Lowell
CWINS
Wireless Access and Localization for Body Area Networks
Kaveh Pahlavan
March 9, 2011 ©KP
![Page 2: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/2.jpg)
Project: Measurement and Modeling for BANs Faculty
– Kaveh Pahlavan– Sergey Makarov– Allan H. Levesque (research scientist) – Reza Zekavat (visiting professor)– Ning Yang (research scientist)– Kaveh Ghaboosi (Post Doc)
Students and Staff:– Yunxing Li, Fardad Askarzadeh (PhD)– Umair Khan, Ruijun Fu, Shen Li, Pranay Swary (MS)– Monir Islam (UG)
March 9, 2011
![Page 3: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/3.jpg)
“the most profound technologies are those that disappear…they weave themselves into the fabric of everyday life until they are indistinguishable from it”
Mark Weiser
![Page 4: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/4.jpg)
Printer
Mouse
ScanneriBook
Devices and networks
PROGRAM
Morse Pad: 1834
iPhone: 2008
Telephone: 1867
Broadcast Radio: 1920
Broadcast TV: 1941
Computer: 1946
Modems: 1950
Cell Phone: 1972
Appliances
Security Devices
Personal Devices
VCR
WANs
LANs
Sensors and Adhoc Networks
iPad: 2010
![Page 5: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/5.jpg)
©KP
Mbps1 10 1000,1
Out
door
Fixed
Walk
Vehicle
Indo
or
Fixed/Desktop
Walk
Mobility
WiFi OFDM/MIMO
User Bitrate, Datacom services
UWBOFDM/DSSS
Wide Area Network (WAN)- Data rates ~Mbps -Precision ~100 meters
WLAN-Metro-precision ~10s Mbps/10s of meters-Local-precision ~ 10sMbps/meters
WPAN-Bluetooth/ZigBee ~ 100sKbps/meters-UWB ~ Gbps/centimeters
Wireless networks: rate and precision
1000
Bluetooth/ZigBeeFHSS/DSSS
![Page 6: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/6.jpg)
From science fiction to science
Enabling technologies: wireless access and locatization
![Page 7: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/7.jpg)
March 9, 2011
A new realm: BAN
What are the bounds to wireless access and localization?
![Page 8: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/8.jpg)
How the technology evolve?
Understanding of the channel is essential to determine the bounds
![Page 9: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/9.jpg)
March 9, 2011
Which channel? What band?
![Page 10: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/10.jpg)
10
What models for RSS?
Average received power
Shadow fading
Multipath fading
Distance in logarithmic scale
![Page 11: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/11.jpg)
11
What models for movements?
![Page 12: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/12.jpg)
What models for data rate?
12
1TR
0.1
rms
R
Tolerable ISI:
Inter Symbol Interference
(ISI)
Lower bandwidth for more reliable data:
Wider bandwidth more reliable localization
![Page 13: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/13.jpg)
4/27/2009
The first path is not detectable by measurement system - Undetected Direct Path (UDP) [Pah98]
Measurement bandwidth is not wide enough to distinguish the first few paths from each other [Ala03]
Limitations on Bandwidth Undetected Direct Path
What to model for localization?
[Pah98] K. Pahlavan, P. Krishnamurthy and J. Beneat, “Wideband Radio Propagation Modeling for Indoor Geolocation Applications”, IEEE Communications Magazine, April 1998.[Ala03] B. Alavi and K. Pahlavan, “Bandwidth Effect on Distance Error Modeling for Indoor Geolocation,” 14th Annual IEEE International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC’03), Beijing, China, September 7-10, 2003.
![Page 14: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/14.jpg)
Measurement scenarios
March 9, 2011
![Page 15: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/15.jpg)
March 9, 2011
Sample measurement results
Ferit Akgul and Yunxing Li
![Page 16: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/16.jpg)
March 9, 2011
Effects of body movements
Ruijun Fu, Yunxing Li, Umair Khan
![Page 17: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/17.jpg)
Measurement of Doppler spectrum
March 9, 2011 Ruijun Fu, Yunxing Li and Yi Wang
![Page 18: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/18.jpg)
March 9, 2011
Measurement using a Phantom
![Page 19: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/19.jpg)
Phantoms Phil and Hollow
March 9, 2011
![Page 20: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/20.jpg)
Some localization issues
March 9, 2011
0 5 10 15 20 25 30 35 40 45 50-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
delay(ns)
Pow
er(d
B)
free space experiment (antenna opposite dirction,2.0GHz~2.4GHz)
air to outsideinside water to outside
0 5 10 15 20 25 30 35 40 45 50-110
-100
-90
-80
-70
-60
-50
-40
-30
delay(ns)
Pow
er(d
B)
free space experiment (antenna same dirction,2.0GHz~2.4GHz)
air to outsideinside water to outside
0 5 10 15 20 25 30 35 40 45 50-110
-100
-90
-80
-70
-60
-50
-40
-30
delay(ns)
Pow
er(d
B)
Chamber experiment (antenna opposite dirction,2.0GHz~2.4GHz)
air to outsideinside water to outside
0 5 10 15 20 25 30 35 40 45 50-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
delay(ns)
Pow
er(d
B)
Chamber experiment (antenna same dirction,2.0GHz~2.4GHz)
air to outsideinside water to outside
Yunxing Li and Umair Khan
![Page 21: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/21.jpg)
March 9, 2011
Simulation for body mounted devices
Ferit Akgul, Yunxing Li and Ruijun Fu
![Page 22: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/22.jpg)
Simulation for inside body
March 9, 2011 Umair Khan, Monir Islam and Sergey Makarov
![Page 23: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/23.jpg)
Scanning real people
March 9, 2011 Greg Noetscher and Sergey Makarov
![Page 24: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/24.jpg)
Effects of human movements
March 9, 2011
![Page 25: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/25.jpg)
Body permittivity
March 9, 20110 100 200 300 400 500 600
0
20
40
60
80
100
120
140
TOA (ns)
Dis
tanc
e be
twee
n th
e Tx
and
Rx
(cm
)
Linear fitting to get the average permitivity of human body tissue
Measured data Lie fitting results
r()=1.40
![Page 26: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/26.jpg)
Effects of non homogeneousity
March 9, 2011
-150 -100 -50 0 50 100 150-200
-150
-100
-50
0
50
100
150
200illustration of the calculation scenario (a cross section of human torso)
large intestinesmall intestinestomachright kidneyleft kidneygallbladderliver
![Page 27: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/27.jpg)
FDTD simulations
March 9, 2011
-1 0 1 2 3 4 50
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
-1 0 1 2 3 4 5-30
-20
-10
0
10
20
30
Sergey N. Makarov, Umair I. Khan, Md. Monirul Islam, Reinhold Ludwig, Kaveh Pahlavan “On Accuracy of Simple FDTD Models for the Simulation of Human Body Path Loss”, which is being presented at the 2011 IEEE Sensor Application Symposium, San Antonio, TX, February 22-24, 2011
![Page 28: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/28.jpg)
Bounds on localization
March 9, 2011Yi Wang, Ruijun Fu, Yunxing Ye, Umair Khan, and Kaveh Pahlavan, “Performance Bounds for RF Positioning of Endoscopy Camera Capsules”, Proceedings of the IEEE Topical Conference on Wireless Sensors and Sensor Networks, Phoenix, AZ, 16-20 January 2011.
![Page 29: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/29.jpg)
Localization bounds
March 9, 2011
Yi Wang, Ruijun Fu, Yunxing Ye, Umair Khan, and Kaveh Pahlavan, “Performance Bounds for RF Positioning of Endoscopy Camera Capsules”, Proceedings of the IEEE Topical Conference on Wireless Sensors and Sensor Networks, Phoenix, AZ, 16-20 January 2011.
![Page 30: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/30.jpg)
March 9, 2011
Real time simulation
![Page 31: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/31.jpg)
Testbed Implementation
Power Splitter
Circulator Circulator
RF Local Input
Others
Forward Channel
Reverse Channel
Mini Test Head RF Port Module Wireless LAN Analyzer Station Test Module
Shen Li, Ruijun Fu and Umair Khan
![Page 32: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/32.jpg)
Cooperative Medical Traffic Delivery Mechanism for Body Area Networks
• Cooperative coexisting multi-hop BANs based on IEEE 802.15.6.
• Sensor devices are connected to multiple data sinks (network hubs).• Traffic delivery through:
The hub of the local BAN, or The hub of a nearby BAN.
• Three BANs with their hubs, H1, H2, and H3, connected towireless backbone (Femtocell)
• We consider channel parametersfor selecting a route to reachone of accessible hubs.
Kaveh Ghaboosi and Pranay Swar
![Page 33: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/33.jpg)
Traditional Applications and Performance
Source: DARPA web site
Urban Fighting Scenario
People/Asset Tracking
![Page 34: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/34.jpg)
March 9, 2011
Emerging Application and Performance
![Page 35: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/35.jpg)
Wireless Access and Localization for Unmanned Vehicles
![Page 36: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/36.jpg)
Wireless Access and Localization for Transportation Industry
![Page 37: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/37.jpg)
RFID Applications
Source: Wikipedia/Google Images
![Page 38: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/38.jpg)
Wireless Access and Localization in Medicine
![Page 39: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/39.jpg)
Smart Environments
![Page 40: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/40.jpg)
Fundamental Issues in Wireless Access and Localization
Applications Bandwidth, Data Rate and Precision Power, Coverage and Spatial Throughput Frequency Band, Regulations
![Page 41: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/41.jpg)
©KP
Mbps1 10 1000,1
Out
door
Fixed
Walk
Vehicle
Indo
or
Fixed/Desktop
Walk
Mobility
WiFi OFDM/MIMO
User Bitrate, Datacom services
UWBOFDM/DSSS
Wide Area Network (WAN)- Expensive licensed spectrum- Voice-oriented access
WLAN-High speed unlicensed- Data-oriented access
WPAN-Ad-hoc unlicensed-Random access
Wireless Networks and Access
1000
Bluetooth/ZigBeeFHSS/DSSS
![Page 42: Colloquium Talk University of Massachusetts, Lowell · Colloquium Talk: University of Massachusetts, Lowell CWINS Wireless Access and Localization for Body Area Networks Kaveh Pahlavan](https://reader035.vdocument.in/reader035/viewer/2022070917/5fb7770beb118919875133e3/html5/thumbnails/42.jpg)
March 9, 2011
Wireless Access and Localization for Smart Phones and Netbooks