Wireless Hidden Node The CCA involves listening for 802.11 RF transmissions at the Physical layer, and the medium must be clear before a station can transmit. T...
Co-Channel Interference The 802.11b and 802.11g amendments require 25 MHz of separation between the center frequencies of HR-DSSS channels to be considered non-ove...
Roaming Roaming is the method where client stations move between RF coverage cells in a seamless manner. Client stations switch communications thro...
Dynamic Rate Switching As client station radios move away from an access point, they will shift down to lower bandwidth capabilities using a process known as dyna...
Wireless Network Design We will look at the typical wired network architecture and how it relates to the architecture and components of a wireless network. Wireles...
Specialty WLAN Infrastructure Devices In the previous, we discussed the progression of WLAN network infrastructure devices that are used to integrate an 802.11 wireless network ...
Progression of WLAN Architecture While the acceptance of 802.11 technologies in the enterprise continues to grow, the evolution of WLAN architecture has kept an equivalent ...
Wireless LAN Client Devices The main hardware in a WLAN client adapter is a half-duplex radio transceiver, which can exist in many different hardware formats and chips...
802.11 Configuration Modes While the 802.11 standard clearly defines two major ways in which a radio card can operate, an access point (AP) radio and a client statio...
Wireless LAN Topologies A computer network is a system that provides communications between computers. Computer networks can be configured as peer to peer, as cli...
IEEE 802.11 Draft Amendments What does the future hold in store for us with 802.11 wireless networking? The draft amendments are a looking glass into the future of the ...