Center for Networked Computing Dr. Shan Lin and Dr. Jie Wu Temple University Status License application approved by Clear  License is valid until Jan 31, 2013  Frequencies: & MHz  Clearwire holds the right to terminate operation with 30 days prior notice Wimax base station purchased and arrived  One Air4G-MacroMAXe 2510M Air4G-W MT Installation contract placed  Latitude & Longitude: ( , )  Height: 12 th floor (131 ft)

Center for Networked Computing Dr. Shan Lin and Dr. Jie Wu Temple University Experiment (with the existing TU-WiMax) Static test  Measure throughput, signal strength, CINR, energy consumption  Short term 10 min tests at 8 indoor/outdoor locations  Long term 12 hour tests at 3 indoor locations  Compared with WiFi performance Mobile test  Measure throughput, signal strength, CINR, energy consumption  Walking on campus  Driving around school and on major roads in the city

Center for Networked Computing Dr. Shan Lin and Dr. Jie Wu Temple University Experimental results (with the existing TU- WiMax) Observe highly irregular ranges (longest range>2.29mile) High bandwidth (>700kbps) only very close to the base station (<0.5mile) Significant shadowing among buildings in the