Introduction To Wireless LAN Network
Interconnection of computer systems has become a necessity for people who might be using the devices for whatever purposes. Traditionally they have used wired local area networks but with the passage of time, wireless LAN network is becoming more and more popular. In the recent times, the sales of laptop computers have outrun the sales of desktop computers. This has been one of the main driving factors behind the popularity of wireless networks.
The main principle behind these networks is the usage of OFDM modulation technology. This technology is based on the radio waves. They allow a rudimentary level of communication between two devices. This is known as the basic service set. While the range and throughput of such networks may be restricted, it is possible to deploy more infrastructure and make use of WLAN technologies over wider areas and get better throughput.
With the passage of time the wireless networks have become really easy to deploy. This is a key reason that people have extensively started to use the wireless LAN networks in their homes as well. Paid and complimentary WLAN service is available at a number of public spots which include airports, hotel lobbies and lounges, coffee and fast food joints etc. Citywide WLAN networks have also been experimented with. In Mountain View, CA, the internet search giant Google Inc provides free WLAN.
A number of reasons may be cited to credit for the increasing popularity of these networks. To begin with these wireless networks are really convenient to set up. It is possible for the user to access the computing and information resources from almost anywhere. Laptops make it possible to be connected even while you are in bed. The there is no need to use miles of wires. Anyone can bring in his WLAN enabled device and hook on to the network. Deployment of the WLAN is very simple and fast. There is no need to cut and crimp miles and miles of cables. All you have to do is put the router and access point at a convenient location. In most cases, it would be configured using one touch button. End user terminals may need to be fixed with Wireless NIC and WiFi USB adapters. It makes possible to span the network across buildings something which would have been a pain with wired networks. . Mobility is the key reason the WLAN options are catching on! As there are a number of publicly available networks increases, it becomes easier for people to be connected all over the place. In the recent time Intel Centrino technology built in notebook computers has made wireless LAN networks as ubiquitous as standard fixed wire ethernet in corporate and home environments.
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