wireless LAN

A wireless LAN (or WLAN, for wireless local area network, sometimes referred to as LAWN, for local area wireless network) is one in which a mobile user can connect to a local area network (LAN) through a wireless (radio) connection. The IEEE 802.11 group of standards specify the technologies for wireless LANs. 802.11 standards use the Ethernet protocol and CSMA/CA (carrier sense multiple access with collision avoidance) for path sharing and include an encryption method, the Wired Equivalent Privacy algorithm.

High-bandwidth allocation for wireless will make possible a relatively low-cost wiring of classrooms in the United States. A similar frequency allocation has been made in Europe. Hospitals and businesses are also expected to install wireless LAN systems where existing LANs are not already in place.

Using technology from the Symbionics Networks, Ltd., a wireless LAN adapter can be made to fit on a Personal Computer Memory Card Industry Association (PCMCIA) card for a laptop or notebook computer.

Getting started with wireless LANs

To explore how wireless LANs are used in the enterprise, here is an additional resource:

Wireless network troubleshooting: Connectivity: Whenever you have trouble connecting a wireless client like a desktop, laptop or smartphone to an office network, these step-by-step debugging tips will help.

Mastering 802.11n: Implementation tips and answers to frequently-asked WLAN questions: Learn how to avoid and troubleshoot common 802.11n implementation issues.

Best practices for securing your wireless LAN: Learn best practices for securing a wireless LAN (WLAN) in the enterprise, from systematically monitoring your WLAN for intruders to protecting users and the network itself.

Measure wireless network performance using testing tool iPerf: Learn how to measure wireless networking traffic performance using iPerf, an open source testing tool that measures TCP/UDP, throughput, loss and delay. (Free registration may be required)