Presentation from Suman Banerjee, University of Wisconsin Madison #mobilizeconf More at http://event.gigaom.com/mobilize/

1. AIRSHARK: AN RF INTERFERENCE
DE-BUGGING TOOL
Suman Banerjee
Professor
University of Wisconsin
Madison
Wednesday, November 7, 12

2. Airshark:
An
RF
interference
debugging
tool
Team:
Suman
Banerjee
Ashish
Patro
Contact:
suman@cs.wisc.edu
Wednesday, November 7, 12

3. Many
wireless
devices
Analog
Cordless
Phone
Camera
ZigBee
Device
Microwave
Ovens
Video
Bluetooth
ACL/SCO Game
controllers
FHSS
Cordless
Phone
Wireless
(Wii,
PS3) headphones
Wednesday, November 7, 12

4. Understanding
RF
interference
These
devices
interfere
with
WiFi
systems
and
someSmes
impose
serious
performance
penalSes
Wednesday, November 7, 12

5. Today’s
tools
for
RF
• Based
on
custom
hardware
–Custom
RF
analyzers
• Add-­‐ons
for
regular
laptops
–Cumbersome
Wednesday, November 7, 12

6. Airshark:
WiFi-­‐based
RF
interference
•
Built
on
top
of
WiFi
drivers
•
Purely
soWware
based
-­‐
No
custom
hardware
needed
Enables
a
WiFi
device
to:
–Detect
non-­‐WiFi
interferers
Wednesday, November 7, 12

7. Airshark:
A
common
man’s
RF
Any
WiFi
device
with
Airshark
can
turn
into
a
RF
analyzer
–Laptops,
tablets,
iPods,
Access
Points
Wednesday, November 7, 12

8. SoWware
tool
ready
for
beta
For
mobile
devices:
As
a
standalone
tool
Integrated
into
web
browser
Real-­‐Sme
spectrum
DetecSng
non-­‐WiFi
waterfall devices
Wednesday, November 7, 12

9. SoWware
tool
ready
for
For
enterprise
AP
vendors:
As
an
SDK
library
for
integraSon
IniSal
integraSon
and
demo
is
ongoing
with
one
vendor
Wednesday, November 7, 12

10. SoWware
tool
ready
for
For
enterprise
AP
vendors:
As
an
SDK
library
for
integraSon
IniSal
integraSon
and
demo
is
ongoing
with
one
vendor
Wednesday, November 7, 12

11. Market
opportunity
• Market
size
for
wireless
(enterprise)
network
management
is
>
$1
billion
• ConSnues
to
grow
especially
due
to
BYOD
policies
of
enterprise
–Also
true
outside
the
enterprise,
i.e.,
in
homes
• Airshark
has
unique
IP
that
enables
us
to
enter
this
market
Wednesday, November 7, 12

12. Beginning
to
get
some
Wednesday, November 7, 12

13. Airshark:
A
WiFi-­‐based
RF
interference
debugging
Contact
us
at:
suman@cs.wisc.edu
sbanerjee@gmail.com
Wednesday, November 7, 12

14. Wednesday, November 7, 12