User's Manual

10
JI5-QCA8990DB5 User Manual
Wireless LAN Modes
Wireless LANs can be configured in one of two ways:
1. Infrasture Networking
Infrastructure networking differs from ad-hoc networking in that it includes an access point.
Unlike the ad-hoc structure where users on the LAN contend the shared bandwidth, on an
infrastructure network the access point can manage the bandwidth to maximize bandwidth
utilization.
Additionally, the access point enables users on a wireless LAN to access an existing wired
network, allowing wireless users to take advantage of the wired networks resources, such as
Internet, email, file transfer, and printer sharing.
Infrastructure networking has the following advantages over ad-hoc networking:
 Extended range: each wireless LAN computer within the range of the access point can
communicate with other wireless LAN computers within range of the access point.
 Roaming: the access point enables a wireless LAN computer to move through a building
and still be connected to the LAN.
 Wired to wireless LAN connectivity: the access point bridges the gap between wireless
LANs and their wired counterparts.
Notes on Wireless LAN Configuration
When configuring a wireless LAN (WLAN), be sure to note the following points:
 Optimize the performance of the WLAN by ensuring that the distance between
access points is not too far. In most buildings, WLAN Adapters operate within a
range of 100 ~ 300 feet, depending on the thickness and structure of the walls.
 Radio waves can pass through walls and glass but not metal. If there is
interference in transmitting through a wall, it may be that the wall has reinforcing
metal in its structure. Install another access point to circumvent this problem.