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Low Cost Wireless Access Onno W. Purbo June 1999.

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Presentation on theme: "Low Cost Wireless Access Onno W. Purbo June 1999."— Presentation transcript:

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2 Low Cost Wireless Access Onno W. Purbo June 1999

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

4 Outline zReferences zHistorical Perspective zLow Cost Internet Access.

5 References.. zhttp://home.pages.de/~flexnet/ zhttp://www.tapr.org/ zhttp://www.packetradio.com/ zftp://ftp.ucsd.edu/hamradio/packet/ zhttp://hydra.carleton.ca/ zhttp://www.amsat.org/ zjoin various mailing list & newsgroup for discussions

6 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

7 Indonesia Topology Jan.1993

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

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

12 Internet Access Tech

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

14 Sound Card Packet Radio

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

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

19 PTT FlexNet via Serial

20 PTT FlexNet via Printer

21 PTT FlexNet via MIDI

22 PTT FlexNet via VOX

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

24 BayCom Packet Radio

25 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

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

27 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

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

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

30 Baycom Packet Radio

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

33 Setup using BM

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

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

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

37 Shared Web Access

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

39 Dial Shared Web Access

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

41 Virtual Host

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

43 Virtual Host

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

45 Homebrew Kbps

46 64-200Kbps Packet Radio zSpec: y64-200Kbps yPC Linux + Homebrew Kbps zURL: yhttp://xxx.itb.ac.id/~adnan/

47 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.

48 Block Diagram

49 Homebrew Kbps Modem

50 TX & RX Board VHF CB Frequency

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

52 WaveLAN CDMA

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

54 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.

55 WaveLAN (CDMA)

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58 Internet Discussion Group ymail to ymessage “subscribe ybnet-l” yplease confirm on request from majordomo ymail to ymessage “subscribe sysop-l” yplease confirm on request from majordomo

59 Other Applications

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

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62 Amateur Packet Network zJakarta zBandung zMalang zSalatiga

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

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

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

69 Amateur Packet Satellite

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

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78 CNRG zHuman resource is the key success

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