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Copyright© Root Inc. 1
ROOT INC. Real Object Oriented Technologies
Rural Area Network by Wireless Routers
Root Inc. Hiroshi Mano [email protected]://www.root-hq.com
ITU Telecom Africa
-13 November 2001-
Copyright© Root Inc. 2
ROOT INC. Real Object Oriented Technologies
Wireless IP Network Solution
TheInternet
Wireless Intranet
Copyright© Root Inc. 3
ROOT INC. Real Object Oriented Technologies
Advantage of IP NetworkWhy IP ? Multi Media applications such as VoIP,
TeleEducation, Telemedicine. Sharing cost of infrastructure. Interoperability to The Internet. IP routing expands cover area.
Telephony
NFM
Broadcasting
WFM
Data
QPSK
IP
Telephony Broadcasting Data
PSN TV/Radio Data N
NFM WFM QPSK
Copyright© Root Inc. 4
ROOT INC. Real Object Oriented Technologies
Wireless IP Network Simple install Line of site communication
5km/6dBi : 30km/24dBi
Low power consumption 8w/OD 6W/ID
Embedded Unix OS
Services: DHCP,SNMP
Dynamic Routing RIPv1,V2
Remote management
Up to 5Mbps actual speed
RGW 2400/O D RGW 2400/ID
Standards
M odulation
Frequencies
Channels
Transm ission O utput
Transm ission Rate
Base M odulation
Transm ission Range
Effective Rate
M AC Protocols
10/100BASE-T(RJ45) 10BASE-T(RJ45)
4Ports(with internal Hub) 1Port
Transm ission Protocols
Routing Protocols
Power 100V ac (AC power cable) 100V ac (AC adapter)
Size 270(W )×198(D)×134(H) m m 220(W )×209(D)×50(H) m m
W eight 5600g 600g
com pliant with IEEE802.11b
Specifications
RCR STD-33 and ARIB STD-T66
DSSS(Direct Sequence Spread Spectrum )
2.4GHz band
2412~2472M Hz(5M HzSTEP)2484M Hz
Radio
Interface
LAN
General
10mW /M Hz, m axim um
PSK 1・2 CCK 5.5・11M bps
1・2・5.5・11M bps
3km , m axim um ※Vary depending on environm ents.
4.5M bps, m axim um ※Vary depending on environm ents.
Ethernet/IEEE802.3
RIPv2
Copyright© Root Inc. 5
ROOT INC. Real Object Oriented Technologies
System Image
ID : All in One type for shot rangeOD: Separate type for long range
AC Adapter
Antenna Cable
Antenna
10 BASE - T
Hub
RGW2400/IDMain Unit for Indoor
Antenna Cable
Antenna
RGW2400/ODMain Unit for Outdoor
IF cable (10m/20m )
AC Adapter
Junction Unit( internal Hub 4 Ports )
10 BASE - T
Hub
Copyright© Root Inc. 6
ROOT INC. Real Object Oriented Technologies
Case Study in Japan
More than 4,500 units of our wireless IP router have been adopted in these 3 years.
Copyright© Root Inc. 8
ROOT INC. Real Object Oriented Technologies
Maebashi School Network
Wireless networks are set between junior high schools and elementary schools.44 wireless router has been installed.
Copyright© Root Inc. 9
ROOT INC. Real Object Oriented Technologies
❚A wireless router are set up on the top of moutain fore relay.❚Covers 3km x 8km area.❚Over 25 mountain lodges at Norikura Moutains have free Internet access by wireless WAN with sharing DSL line.
Copyright© Root Inc. 10
ROOT INC. Real Object Oriented Technologies
Installation in Asia
Paya Indah:MalaysiaSolar panel operation in National park
Phnom Penh:Cambodia1day Demo instillation
Copyright© Root Inc. 11
ROOT INC. Real Object Oriented Technologies
Telemedicine immage
Data Communication
E-mail,Picture,Photograph
Voice
RGW2400/OD RGW2400/OD
Remote AreaUrban Area
Solar panel
LAN
VoIP VoIP
PCPC
Database DataBase
LAN
Routerルータ
The Internet
Copyright© Root Inc. 12
ROOT INC. Real Object Oriented Technologies
Demonstration at Telecom Africa
ITU pavilion Hall 5 #5405Live demo of Telemedicine with Tokai UniversityVoIP, Video Conference
RGW2400/ID
WirelessNetwork
RGW2400/ODMain Unit
CCD-CAMERA CCD-CAMERAPC
PCVoIP Adopter
Junction Unit
Video Conferencingby MS Net Meeting
VoIP Adopter
Telemedicine Application
I/O Unit
Transferred cardiograph image
Video Conferencingby MS Net Meeting
Applications under demonstration•VVoIP telecommunication•VVideo Conferencing•TTelemedicine (cardiograph)