WIDE Technical-Report in 2008 wide-tr-keiichi-camp200709-wmn-02.pdf WIDE Project : http://www.wide.ad.jp/ If you have any comments on this document, please contact to ad@wide.ad.jp
1,.,,.,,.,,,., [1].,,.,.,,.,.,,,,.,.,,,.,,,.,,., Robohoc. Robohoc,[2]. 1
2 Robohoc,,,, [2]., Robohoc,.,,,. 3,,. MANET (Mobile Adhoc Network),,., MANET,,.,., IEEE802.15,., 2.,,. Robohoc,.,,., IEEE802.11. IEEE802.11,,,,,,,. IEEE802.11a,,,. 1. 1 2., 802.11a., AP1, AP2 AP7 netperf UDP., (1 ) 18Mbps,.,,. 1,, ( PCI 2
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3: CPU Pentium M 1.2Ghz Memory 512MB NIC Atheros (minipci) x 4 OS NetBSD 4 FreeBSD Atheros 1: (rh4 2 ). IEEE802.11a., 10, 802.11a (36, 40, 44, 48, 52, 56, 60, 64 8 ), 36 64 2. IPv6, IPv4 203.178.158.0/26 /30., 4 IEEE802.11b/g.,, 802.11g, 802.11b., RIPng RIPv2, OSPFv3. rh2., rh1 rh2 3. 4
4: (Corega CG-WLANT02I) 5 5, 6 7 8. 7 rh1 rh3, rh2, rh4 netperf TCP.,., ( 18Mbps),.,, ( ). 8, rh1 IEEE802.11g PC, rh1, rh3, rh2, rh4 netperf TCP. ( 7),., IEEE802.11g (20Mbps ).. Atheros hostap 5
AP interface prefixes: 2001:200:0:ff1a::/64 203.178.158.0/26 not used rh4 SSID: robohoc0-4 Channel: 36.6/30.26/30 SSID: robohoc2-4 Channel: 56.5/30.25/30 fxp0.41/30 rh0 rh2.9/30.1/30 SSID: robohoc0-5 Channel: 52 SSID: robohoc2-5 Channel: 40.29/30.21/30 Internet Gateway.10/30.30/30 rh5.37/30 SSID: robohoc0-1 Channel: 64 SSID: robohoc5-6 Channel: 60 SSID: robohoc2-3 Channel: 64 :6::4/128.38/30 rh6.2/30 SSID: robohoc1-6 Channel: 44.18/30.34/30 rh1.17/30.13/30.22/30 SSID: robohoc1-3 Channel: 36 SSID: robohoc3-6 Channel: 48.14/30.33/30 rh3 5:. IEEE802.11a.. 6 (Robohoc ),,.,,.,.,., Robohoc,,,. [1] B. Shah and H. Choset, Survey on Urban Search and Rescue Robots, Journal of the Robotics Society of Japan, Vol.22, No.5, pp.582 586, July 2004. [2] K. Shima and Y. Uo, Requirements for Quick Network Construction Mechanisms for the On-Site Emergency Rescue Activity, Internet Conference 2006 (IC2006), October 2006. 6
User segment prefixes: 2001:200:0:ff10::/60 203.178.158.0/23 :ff10::1 158.65 rh0 SSID: rh0 Channel: 6 2001:200:0:ff10::/64 203.178.158.64/26 :ff11::1 158.129 SSID: rh1 Channel: 1 2001:200:0:ff11::/64 203.178.158.128/26 rh1 rh4 :ff14::1.159.65 SSID: rh4 Channel: 11 2001:200:0:ff14::/64 203.178.159.64/26 :ff15::1.159.129 rh5 SSID: rh5 Channel: 1 2001:200:0:ff15::/64 203.178.159.128/26 rh6 SSID: rh6 :ff16::1 Channel: 11.159.193 2001:200:0:ff16::/64 203.178.159.192/26 rh2 :ff12::1 158.193 SSID: rh2 Channel: 6 2001:200:0:ff12::/64 203.178.158.192/26 :ff13::1.159.1 SSID: rh3 Channel: 1 2001:200:0:ff13::/64 203.178.159.0/26 rh3 6:. IEEE802.11b/g ( 802.11b ),. rh4 rh6,,. Preliminary Result 30.0Mbps 22.5Mbps 15.0Mbps 7.5Mbps 0Mbps 1hop (1-3) 2hops (1-3-2) 3hops (1-3-2-4) TCP throughput between APs 7: 5, rh1, rh3, rh2, rh4 nerperf TCP., 3. 7
Preliminary Result 8Mbps 6Mbps 4Mbps 2Mbps 0Mbps 1hop (C-1) 2hop (C-1-3) 3hops (C-1-3-2)4hops (C-1-3-2-4) TCP throughput from the client on AP1 to other APs 8: 5, rh1 802.11g, rh1, rh3, rh2, rh4 nerperf TCP., 3. 8