1. 1 Clemson University WiMAX Activities Update for the AATG 9/7/2007 J. Martin, M. Westall School of Computing Clemson University jim.martin/westall@cs.clemson.edu

2. 2 M/A-COM Equipment Airlink: IEEE 802.16e function – although just supports Fixed/Nomadic clients 5MHz channels at 4.9GHz OFDM 256 FFT 27dBm output power TDD operation, 10ms frame time, variable US/DS split Supported modulation methods: BPSK (1/2, 3/4), 16 QAM(1/2,3/4), 64QAM(1/2,3/4) Interfaces: RJ-45 Ethernet 24 V DC Power 4.9 GHz RF and GPS Antenna Managed by M/A-COM UAS Admin software

3. M/A-COM Base Station

4. 4 Testbed: Lab Network Wireless channelBase Station 192.168.90.252 130.127.49.x 192.168.90.254 Internet Gateway NTD, DHCP 192.168.90.1 UAS laptop Linux host 192.168.90.12 Subscriber Station 192.168.90.251 Linux host 192.168.90.11 Linux host 192.168.90.10 TCP source/Siink 100/1000 Switch 100/1000 Switch 100/1000 Switch Linux host 192.168.90.13 192.168.90.x Subscriber Station 192.168.90.251 Linux host 192.168.90.1x VoIP/Video source/Siink Clemson Network 130.127/16 Window host Indigo Video Mgt Software Linux Host “Command Center” Private net -  putlic net NAT translation Public net -  private net reverse NAT map: 130.127.x.x to 192.168.90.x

5. Campus Deployment

6. Validation Test 1 DS modulation US modulation US/DS throughput (single flow) Rss at the SS 64QAM 2/3 (capacity: 15.36Mbps) 64QAM 2/3UDP: US:4.8Mbps DS:4.8Mbps 16QAM1/2 (capacity: 7.68Mbps 16QAM1/2 64QAM2/316QAM1/2TCP US: 2 Mbps DS: 4.3 Mbps 64QAM3/416QAM1/2 64QAM3/4QPSK1/2 64QAM3/4BPSK1/2 WiMAX Network Linux host 192.168.90.11 Linux host 192.168.90.254

7. Validation Test 2 WiMAX Network Linux host 192.168.90.11 Linux host 192.168.90.254 192.168.90.254 sends 210 bytes every 15 ms Obtain a trace 1: packets sent by 254 2:packets received by 11 3:packets sent by 11 4:packets received by 254 Obtain the PDF of interpacket departure and arrival times Provides a visualization of the dynamics of WiMAX 1 2 3 4

8. Validation test 2 1. At 254 - sender2. At 11 -receiving 3. At 11 – sending the echo4. At 254 – receiving the echo

9. 9 Validation Applications TCP/UDP network performance test tools VoIP using Asterisk Video streaming IndigoVision surveillance camera Plan to order high end, rugged Pelco analog PTZ camera (SpectraIV) with IndigoVision 9000E Encoder (with analytics and video mgt software) Camcorder Web Cams