CHAPTER 6 WIRELESS LANS

CHAPTER 6 WIRELESS LANS

1. DEFINING WIRELESS LANS

   • COMPARING WIRELESS LANSTO WIRED LANS
     • SIMILARITIES W/WIRED &WIRELESS LANS
       • DISTANCE FROM USER TO SWITCH/AP
         • MAXIMUM SPEEDS
           • BIT VARIATIONS OVER TIME
             • SHAREDBANDWIDTH VS DEDICATED BANDWIDTH
     • WIRELESS LAN STANDARDS
       • IEEE WLAN STANDARDS
       • WI-FI ALLIANCE
       • COOPERATION & INTEROPERABILITY
       • WLAN ROLES
         • WLAN ONLY LAN EDGE
         • WIRED & WIRELESS LAN EDGE
         • SMALL OFFICE/HOME OFFICE WLANS
         • SINGLE-SITE NETWORKS & PUBLIC WLAN HOTSPOTS

2. EXPLORING WLAN PHYSICAL LAYER FEATURES

   • WLAN TOPOLOGIES
     • INDEPENDENT BASIC SERVICE SET
     • BASIC SERVICE SET
     • EXTENDED SERVICE SET
     • COVERAGE AREAS & SPEEDS
       • COVERAGE &SPED W/OMNIDIRECTIONAL ANTENNA
       • ANTENNA GAIN & DIRECTION
       • WIRELESS LAN RADIO FREQUENCIES
         • ELECTROMAGNETIC SPECTRUM
         • FREQUENCY BANDS & GOVERNMENT REGULATIONS
         • FREQUENCY CHANNELS
         • INCREASING CAPACITY W/NONOVERLAPPING CHANNELS
         • SUMMARIZING KEY DIFFERENCES IN STANDARDS

3. EXPLORING WLAN COMMON FEATURES

   • WLAN FRAMES & ADDRESSES
     • ASSOCIATING W/ACCESS POINT
       • MANAGEMENT & CONTROL FRAMES
         • DISCOVERING EXSISTING WIRELESS LANS
           • ASSOCIATING W/ACCESS POINT
     • ACCESS POINT OPERATION
       • TRANSLATING 802.3 & 802.11 FRAMES
         • QUEING &BUFFERING
           • AP SWITCHING LOGIC