WiMAX at the University of Wisconsin-Madison

A Programmable Facility for Experimentation with Wireless

Heterogeneity and Wide-area Mobility

• Mobility• Limitations• Possible Solutions• WiRover• GENI

Overview

• Mobility a necessityoMultiple technologies to help outoMaybe work with 3GoMost work with Wi-Fi

Mobility

3G & WiFi

• 3G Cellular coverageo Inconsistento Low throughput

• Wi-Fio Low coverage area oHigh throughput

• WiMAXoHigh coverage areaoHigh throughput

GENI WiMAX

• SolutionoUtilize all available

technologies

• Multi interfaceo Cellular, WiMAX, and Wi-Fi

• Main controlleroData collection mechanismo Ensures persistent data

connectiono Provides bandwidth

aggregation• Gateway acts as Wi-Fi AP

WiRover

• Increase in new users• Positive feedback from

users• Highlighted in

newspapers• Working with EMS for

system in ambulances

WiRover Reception

• 1st Place in 2011Wisconsin Governor’s Business Plan Contest

GENI Capabilities

• WiMAXo Live demo WiRover box with Intel 6250 (WiMAX)oOMF / OML server running for experimentationo Stationary node setup at UW Madisono Experimentation on a mobile platform that has many real

usersoHigh speed internet to mobile devices capable of running

OMF experiments• In the near future

o Connection to OpenFlow and GENI backboneoHandoff experiments between base stationso 3 additional base stations

Derek Meyer – dmeyer@cs.wisc.edu

Questions?