CNET Wireless-G CardBus Adapter CWC-800 Spécifications télécharger pdf (Page 4)

Chapter 2: Planning Your Wireless Network

Network Topology:

A wireless local area network (WLAN) is exactly like a regular local area network (LAN), except that

each computer in the WLAN uses a wireless device to connect to the network. Computers in a WLAN

share the same frequency channel and SSID, which is an identification name for wireless devices.

Ad-Hoc versus Infrastructure Mode:

An Ad-Hoc wireless LAN is a group of computers, each equipped with one WLAN adapter,

communicating with each other as an independent wireless LAN. Computers in Ad-Hoc wireless LANs

must all be configured to share the same radio channel.

Net versus Infrastructure Mode

In an infrastructure mode, the adapter provides access to a wired LAN for wireless workstations

through the help of Access Points(AP). An integrated wireless and wired LAN is called an infrastructure

configuration. A group of adapter PC users and an Access Point compose a Basic Service Set (BSS).

Each adapter PC in a BSS can talk to any computer in the wired LAN infrastructure via the Access

Point.

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