Bluetooth Access Point

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Bluetooth Access Point

• A Comnet lab project by
• Omry Yeshurun
• Dotan Perry
• Supervisor Alex Sprintson

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Overview
Bluetooth BT is a short range radio-technology
using a frequency hopping scheme in the ISM
band. Originally developed as a cable replacement
technology, enabling people and machines to
interact at short range. And hence can be used as
a mean to establish internet connection via
access-point
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Specification

• Bluetooth access point is a unit which has an IP
  connection, and can distribute internet
  connection over Bluetooth to adjacent units
  PDAs, Laptops etc.

FOR MORE INFO...
http//www.bluetooth.com http//comnet.technion.ac
.il/cn9s02/
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Goals

• Demonstrate Bluetooth connection
• Achieve connection on TCP level
• Serve multiple clients simultaneously
• Learn Bluetooth interface
• Get acquainted with Linux

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Current Status

• New Linux kernel 2.4.18 installed
• BlueZ driver installed
• Bluetooth units Up running
• Main design is done

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Development directions

• Using Windows vs. Linux Linux was chosen for
  open-source repeated problems with previous
  projects using Win2K
• Driver for the Bluetooth units BlueZ was chosen
  its the official Linux stack
• Giving an IP address to each connection, using
  DHCP too complicated and inefficient

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Design specification

• Each unit is independent
• Every connection is served by a different
  process
• Every request has its own thread
• Connection is done by Socket interface to units
  to internet
• Upon unit detection, a process will be
  initialized
• Process will die when session ends (timeout)

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Model Structure
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Design advantages

• Time sharing between units is scheduled by the
  Operating System
• No need to distinguish between units inside the
  implementation
• Efficient

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Undecided issues

• Process or thread per request ?
• Should we process HTTP/FTP requests or go down to
  IP level ?
• Information retrieval from the WEB
• The Inquiry protocol catching the discovery
  event

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Schedule
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The End !