1 clemson university wimax activities update for the aatg 9/7/2007 j. martin, m. westall school of...
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Clemson University WiMAX Activities Update for the AATG
9/7/2007
J. Martin, M. WestallSchool of Computing Clemson University
jim.martin/[email protected]
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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
M/A-COM Base Station
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Testbed: Lab Network
Wireless channelBase Station192.168.90.252
130.127.49.x 192.168.90.254Internet GatewayNTD, DHCP
192.168.90.1UAS laptop
Linux host192.168.90.12
Subscriber Station192.168.90.251
Linux host192.168.90.11Linux host
192.168.90.10TCP source/Siink
100/1000Switch 100/1000
Switch
100/1000Switch
Linux host192.168.90.13
192.168.90.x
Subscriber Station192.168.90.251
Linux host192.168.90.1xVoIP/Video source/Siink
ClemsonNetwork130.127/16
Window hostIndigo Video Mgt Software
Linux Host“CommandCenter”
Private net - putlic net NAT translationPublic net - private net reverse NAT map: 130.127.x.x to 192.168.90.x 130.127.x.x to 192.168.90.x
Campus Deployment
Validation Test 1DS modulation
US modulation
US/DS throughput(single flow)
Rss at the SS
64QAM 2/3(capacity: 15.36Mbps)
64QAM 2/3 UDP:US:4.8MbpsDS:4.8Mbps
16QAM1/2(capacity: 7.68Mbps
16QAM1/2
64QAM2/3 16QAM1/2 TCPUS: 2 MbpsDS: 4.3 Mbps
64QAM3/4 16QAM1/2
64QAM3/4 QPSK1/2
64QAM3/4 BPSK1/2
WiMAXNetwork
Linux host192.168.90.11
Linux host192.168.90.254
Validation Test 2
WiMAXNetwork
Linux host192.168.90.11
Linux host192.168.90.254
•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
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Validation test 2
0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
PD
F
Values 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
PD
F
Values
0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
PD
F
Values 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
PD
F
Values
1. At 254 - sender 2. At 11 -receiving
3. At 11 – sending the echo 4. At 254 – receiving the echo
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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