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2005 Spring CS492 Lab #4 2005.11.1. Tuesday 10:30am-Noon Building E3-1, Classroom #3 Lee, Dooyoung Kim, Taehee Dept of EECS, Div. of CS.

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Presentation on theme: "2005 Spring CS492 Lab #4 2005.11.1. Tuesday 10:30am-Noon Building E3-1, Classroom #3 Lee, Dooyoung Kim, Taehee Dept of EECS, Div. of CS."— Presentation transcript:

1 2005 Spring CS492 Lab #4 2005.11.1. Tuesday 10:30am-Noon Building E3-1, Classroom #3 Lee, Dooyoung Kim, Taehee Dept of EECS, Div. of CS

2 2 Goals and Overview of Lab #4 Goals –To introduce students to Bluetooth Overview 1.TCP and UDP throughput measurement in Bluetooth 2.Various usage models –one large piconet with parked and standby devices –multiple master-slave connections –scatternet Preparation for Lab #4 –Install a Bluetooth USB adapter on Window –Install a messenger for bluetooth

3 3 Lab #4: Step 1 On your iPAQ –Turn Bluetooth on and build a piconet (master = TA) –Start a messenger for bluetooth –Measurement at server or client? –Repeat with packet size = 40, 120, 300, 700, 1500

4 4 Setting Up a Piconet

5 5 Step 2 Form multiple master-slave piconets –Measurement at server or client? –Repeat with packet size = 40, 120, 300, 700, 1500

6 6 Setting Up Multiple Pt-to-Pt Connections

7 7 Lab #4: Step - Scatternet –No one sell Bluetooth USB adapter in korea –It’s so touch installing Bluetooth USB adapter in Linux –> so, it might be hard to experiment a scatternet in lab

8 8 Lab #4: Step 2 Compare Bluetooth with WLAN –After building a piconet and WLAN in lab, Application works better in piconet or WLAN –Application: –How to compare : using Iper or time if application is file- share? –Skype doesn’t support bluetooth.

9 9 Lab #4: Step 2

10 10 Lab #4: Step 3 Please think about …

11 11 Lab #4: Wrap Up Questions to ask yourself –What was your iPAQ’s throughput? –Which would make iPAQ’s batter last longer, WLAN in PS mode or Bluetooth?


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