Sponsored by the National Science Foundation1 Experiment 1 WiMAX broadcasting WiMA X Communication...

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Sponsored by the National Science Foundation 1

Experiment 1

WiMAX broadcasting

WiMAX

WiMAX

WiMAX

WiMAX

Communication from the WiMAX interface

Devices may experience data losses due to heterogeneous wireless channel conditions

• Implementation of a WiMAX/WiFi cooperative recovery protocol– .

Sponsored by the National Science Foundation 22

Experiment 1

Transmitter

Video Client 1

Video Client 2

Recovery Node

wimax

wimax

wimax

wifi

wifiWiMAXbroadcatsing

TCP

Distortion Producer

CoopCluster

Communication from the WiFi interface

Devices run a Cooperative Recovery protocol to dynamically form a cooperative recovery (ad hoc) network and recover the lost multicast data packets from other peers

Sponsored by the National Science Foundation 3

• Development of a campus based power meter infrastructure based on the WiMAX deployment

• Current solutions use Zigbee and USB connections, very low range

Experiment 2ZigBee

30-40 feet

USB

ZigBee30-40 feet

Internet

Sponsored by the National Science Foundation 4

• The data collected in the cloud can then be seen on a web browser or a smartphone.

Experiment 2

Sponsored by the National Science Foundation 5

• Use of the WiMAX deployment for transmitting the measuring data from the measuring points to the internet

Experiment 2ZigBee

30-40 feet

WiMAX

ZigBee30-40 feet

Internet