1. Wireless Communications: A Study of IEEE 802.11, Span, and Smart Antennas Michelle Brady May 1, 2003 Advisor: Professor Lethin

2. Network Basics Bus Topology Ring Topology Mesh Topology Brady 2

3. time Beacon Window ATIM Window Possible Sleep Time ATIM Window Possible Sleep Time Beacon Window Application Presentation Session Transport Network Data Link Physical OSI LayerProtocol HTTP, FTP, SMTP DNS, LDAP UDP, TCP ICMP, RSVP LLC, MAC PHY Internet Protocols IEEE 802 Protocols Wireless Protocols 802.11Power Management Brady 3

4. Span: Coordinator Election Brady 4 Coordinator Eligibility Ad-Hoc Network Coordinator Selection

5. Span: Coordinator Election Brady 5 Time as Coordinator Power Usage

6. Smart Antennas wk,0wk,0 Rake Finger 0 wk,1wk,1 Rake Finger 1 wk,2wk,2 Rake Finger 2 Diversity Combiner Brady 6