Michael L. Best Leandro Burnes Marco Escobedo Hani Shakeel

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Michael L. BestLeandro BurnesMarco
EscobedoHani Shakeel
eDevelopment
Technologies to empower, enrich and interconnect
Pilot Project - Bohechio Village Area Network

• March of 2001

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Agenda

• Bohechio, Dominican Republic
• Village Area Network
• Equipment
• Network Coverage
• Results of Deployment
• Immediate Applications
• Future Applications
• Whats Next
• Pictures
• Q A

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Bohechio, Dominican Republic

• Located in the center of the
• Dominican Republic.
• Population is approximately
• 10,000 people.
• Main economic activities are
• agriculture and livestock.
• Prior to Wireless Village Area
• Network, only 5 telephone lines.

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Village Area Network

• Omni-directional antennas placed at Base
  Station.
• Point to Point link to Lincos.

• 256 kps VSAT connection at Lincos Container.
• Point to Point Link between Lincos and Base
  Station.

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Equipment

• 4 - Omni-directional 19dbi antenna
• 2 - PtP 24dbi antenna
• 8 - 11mbps Gold PC Cards
• 1 PCI Adapter
• 1 COR and 1 ROR
• (1 COR can support 16 RORs on one Channel,
• and 3 collocated channels are possible.)
• Orinoco Client and AP manager software
• 1 UPS
• 1- 5dbi antenna and 1 Yagi 14dbi antenna for
  tests

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Results of Deployment

• Tests conducted with
• 5dbi and 14dbi Antennas
• Orinoco Client Manager - Link Test Software

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Results of Deployment

• Coverage
• PC Cards 2dbi Antenna
• 5dbi Antenna
• 14dbi Yagi Antenna

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Network Coverage

• 1st Wireless Village Network
• Roughly 3500 feet
• LOS
• Fixed vs. Mobile

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Immediate Applications

• Lincos, School, Clinic and Municipal Building

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Immediate Applications

• IP Telephony

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Future Applications

• Mobile VoIP and Radio Bohechio

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Whats Next

• School Connectivity - April 2001
• Telecenters
• Better and cheaper antennas - wearable?
• Expand mobility based applications

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Pictures
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Question and Answer

• Contact Information
• Edevelopment Group
• The Media Laboratory
• Massachusetts Institute of Technology
• Room E15-309
• 20 Ames Street
• Cambridge, MA 02139 USA
• http//edevelopment.media.mit.edu/