Low Cost Wireless Access Onno W. Purbo June 1999

Focus zExperience in Building an AII. zLow Cost WirelessTechnology To Educate Indonesia. Low cost is the real challenge

Outline zReferences zHistorical Perspective zLow Cost Internet Access.

References.. zhttp://home.pages.de/~flexnet/ zhttp:// zhttp:// zftp://ftp.ucsd.edu/hamradio/packet/ zhttp://hydra.carleton.ca/ zhttp:// zjoin various mailing list & newsgroup for discussions

Indonesian List ymail to ymessage “subscribe ybnet-l” yplease confirm on request from majordomo ymail to ymessage “subscribe sysop-l” yplease confirm on request from majordomo

Indonesia Topology Jan.1993

AI3 Indonesia AI3 Indonesia IIX WIDE AI3 S-One / SingaREN vBNS STARTAP CA*net3 TransPAC APAN

Success Factor zCommunity based development. zHuman Resource Development yCulture! yShifting mind set! zSelf-financing.

Internet Access Tech

Assumption zPC Multimedia Available.. zVHF / UHF Rig Available.. zYou have Rp (US$3) in your pocket..

Sound Card Packet Radio

zSpec: y bps yPC + Sound Card + Radio zURL: yhttp://home.pages.de/~flexnet/ zSearch Internet: (Keyword) yflexnet

SoundCard Connection zComputer zMic PC zSpeaker PC z Radio / Rig / HT z Speaker HT z Mic HT z PTT

PTT FlexNet via Serial

PTT FlexNet via Printer

PTT FlexNet via MIDI

PTT FlexNet via VOX

Assumption zPC DOS Available.. zVHF / UHF Rig Available.. zYou have Rp (US$30) in your pocket..

BayCom Packet Radio

zSpec: y1200 yPC BayCom Modem + Radio zURL: yhttp://xxx.itb.ac.id/~yc1dav/beginner/ yftp://ftp.ucsd.edu/hamradio/packet/tcpip/ zSearch Internet: (Keyword) ybaycom

Install NOS z/spool/mqueue z/spool/mail z/spool/news z/pub zautoexec.nos zdomain.txt zax25.com

autoexec.nos zhostname yd3fua.ampr.org zax25 mycall yd3fua zip address zattach packet 0x60 ax zstart smtp zsmtp gateway zroute add default ax zroute add /24 ax1 direct

domain.txt zYb3bdl.ampr.org.INA zyb1hr.ampr.org.INA zyc1dav.ampr.org.INA

Activate ax25.com zax.25 ydefault COM1, 1200bps AFSK. ydefault Txdelay = 200ms zAx25 -h500 yincrease Txdelay = 400ms ztermin 0x60 yremove ax25 from memory

Baycom Packet Radio

software for NOS zBdale Messy Mailer (BM.exe) zPCElm zInternal NOS BBS

Setup using BM

BM - DOS setup zSetup BMRC = a:/bm.rc zSetup MAILER = a:/bm.exe

BM - bm.rc setup zHostname yd1abc.ampr.org zuser yd1abc zfullname Kabayan zreply zedit ed zsmtp /spool/mail/ zmqueue /spool/mqueue

Assumption zPC Available.. zLAN Available.. zTelp Available.. zYou can pay Rp (US$1) / hour zYou can buy modem

Shared Web Access

zSpec: y33.6Kbps yPC Windows / Linux / FreeBSD + phone zURL: yhttp:// zSearch Internet: (Keyword) ywingate yproxy ysock

Dial Shared Web Access

Assumption zPC Available.. zLAN Available.. zTelp Available.. zYou can pay Rp (US$1) / 6Mbyte mail zYou can buy modem

Virtual Host

zSpec: y33.6Kbps yPC Windows / Linux / FreeBSD + phone zURL: yhttp:// zSearch Internet: (Keyword) yvpop ynetgate yavirt

Virtual Host

Assumption zPC Available.. zYou have Rp (US$300) in your pocket.. zYou are able to solder..

Homebrew Kbps

64-200Kbps Packet Radio zSpec: y64-200Kbps yPC Linux + Homebrew Kbps zURL: yhttp://xxx.itb.ac.id/~adnan/

Homebrew Kbps packet radio zWe are prototyping Kbps packet radio network in the lab by zAX.25 link layer protocol is used. zGMSK MX 589 one chip modem is used. zWe drive the modem via parallel port. zMMIC Minicircuit is being build for transverter.

Block Diagram

Homebrew Kbps Modem

TX & RX Board VHF CB Frequency

Assumption zYou are a large group of people zYou can spare US$3000

WaveLAN CDMA

zSpec: y2Mbps y5-10 km distance yBuiltin Router + Ethernet connector zURL: yhttp://hydra.carleton.ca

Homebrew 2Mbps CDMA zUses CDMA 2Mbps card 915MHz & 2.4GHz zRun on FreeBSD. zHomebrew antenna (cost ~US$150). zMax. distance 15km (use PA for more). zMost of our high speed MAN using this technology.

WaveLAN (CDMA)

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Other Applications

Low Cost Access for Schools zAX bps Packet Radio Network. zProxy Server. zDial on Demand for Web & Interactive Internet Access.

Amateur Packet Network zJakarta zBandung zMalang zSalatiga

YBNET ampr.org zORARI member zCoordinate via zIP x.x zhttp://xxx.itb.ac.id/~yc1dav/ip/ htm

AMPR.ORG NET ITB GATEWAY ELEKTRINDO NUSANTARA UNIV. MUHAMMADIYAH MALANG YB2SV (JOS SOEJOSO) SALATIGA

YBNET ampr.org zORARI member zCoordinate via zIP x.x zhttp://xxx.itb.ac.id/~yc1dav/ip/ htm

Amateur Packet Satellite

CNRG zComputer Network Research Group ITB zhttp://xxx.itb.ac.id/~cnrg/

CNRG zHuman resource is the key success