Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006...
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Transcript of Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006...
![Page 1: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/1.jpg)
Fast-Handover WLAN Testbed in YRP for Mobile Internetworking
Masaki Hirabaru (NICT)
January 24, 2006Network Engineering Workshop
21st APAN Meeting in Tokyo
![Page 2: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/2.jpg)
NICT KoganeiNICT YokosukaROOT, Inc.Keio Univ. Teraoka Lab.Tokyo Inst. Tech. Ohta Lab.Univ. of Tokyo Morikawa Lab.Chikushi Jogakuen U.Kyoto Univ. Fujikawa Lab.ASTEM….
SIMPLE Project Members
![Page 3: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/3.jpg)
SIMPLESIMPLEMobile Internet ArchitectureMobile Internet Architecture
M-ISP A M-ISP B M-ISP C
The Internet
APsch
an
ne
l #1
cha
nn
el #
2
cha
nn
el #
3
cha
nn
el #
N
…
User a, b, c
User a, b, c
WideSharedChannel 1
PDMA (Packet Division Multiple Access) Broadband No Frequency Allocation Issue
The Internet
M-ISP Installs APs with Fiber/ADSL from ISPM-ISP owns APs only
APs
Static allocation+ CDMA
CDMA only
![Page 4: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/4.jpg)
PFI Poles
JGN2JGN2
APANAPAN InternetInternet
7F PFI Rack
YRP #1 Bldg.
*PFI: Private Finance Initiative by Keihin Electric Express Railway Co., Ltd.
3F
2F
1F
MNRack
MIRAI
SMP
CADSMR
YRP #1 Bldg.(NICT Yokosuka)
JGN II AP
Juniper M10
Mobile Network Lab Point-to-Point Optical Fibers
Tokyo XP
Univ. of Tokyo
SIMPLE YRP (Yokosuka Research Park) Testbed
Other partner Institutions
NICT Koganei
HA AUTH
HA
AUTH
temporaryInstallation
MA
WIDE
Pole Distance: 70-150 mTotal Run: ~1KmAntenna: 8 dBi CollinearFrequency: 5050, 5070 Mhz (center) Bandwidth: 36MhzTransmit Power: 28 mW
![Page 5: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/5.jpg)
Two Research Approaches in SIMPLETwo Research Approaches in SIMPLE
802.11
L3 DrivenH/O
LIN6(IPv6)
802.11w/o MGM
MBA MISP
MBAMobile IP
(IPv4)
Intel-based Wireless Router with Atheros Chip
MBBH/O
802.11 MGM
FreeBSD NetBSD
Internet Applications
*MBA (Mobile Broadband Association, http://www.mbassoc.org)
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No Channel ScanSimultaneous Associations
ChannelScan
Make-before-Break Handover MechanismMake-before-Break Handover Mechanism
A
ChannelScan
B
Disruption = Packet LossMinimize the gap
A B
A
B
Overlap (Make-before-Break)
TR1
MN
TR2
Traditional (IETF) Dual Transceivers PDMA
A B
Overlap (Make-before-Break)
TRTR
![Page 7: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/7.jpg)
Antenna
Authentication Server
Home Agent
PC VoIP
Mobile router
AP1 (router)
AP2 (router) AP11 (router)
The Internet
camera
The same channel (PDMA)
Handover
…
Authentication IP address
Subnet 1 Subnet 2 Subnet 3
YRP (Yokosuka Research Park) Testbed Field Trial
Mapping Agent
![Page 8: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/8.jpg)
DVTS Transfer from Vehicle to Office (Half Rate ~15 M bps)
![Page 9: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/9.jpg)
UDP Data Transfer from Vehicle to Office (58 Bytes, 1000 Packets / sec, ~1 M bps)
No packet loss
![Page 10: Fast-Handover WLAN Testbed in YRP for Mobile Internetworking Masaki Hirabaru (NICT) January 24, 2006 Network Engineering Workshop 21st APAN Meeting in.](https://reader035.fdocuments.us/reader035/viewer/2022070401/56649f185503460f94c2f2b5/html5/thumbnails/10.jpg)
Mobile to Mobile Transmission Experiment over APAN
Future Plan