Wireless Network

Topics: Computer network, Wi-Fi, Wireless network Pages: 3 (455 words) Published: October 1, 2014
“Wireless Network”

A wireless network is any type of computer network that uses wireless data connections for connecting network nodes.

Wireless networking is a method by which homes, telecommunications networks and enterprise (business) installations avoid the costly process of introducing cables into a building, or as a connection between various equipment locations.[1] Wireless telecommunications networks are generally implemented and administered using radio communication. This implementation takes place at the physical level (layer) of the OSI model network structure.[2]

Examples of wireless networks include cell phone networks, Wi-Fi local networks and terrestrial microwave networks.

“Wireless Basic Requirements”

The key hardware components of a wireless computer network include adapters, routers and access points, antennas and repeaters. Wireless Network Adapters
Wireless network adapters (also known as wireless NICs or wireless network cards ) are required for each device on a wireless network. All newer laptop computers incorporate wireless adapters as a built-in feature of the system. Separate add-on adapters must be purchased for older laptop PCs; these exist in either"credit card" or USB form factors. No wireless hardware other than adapters is required to build a small local network. However, to increase the performance of network connections, accommodate more computers, and increase the network's range, additional types of hardware can be deployed.

Wireless Routers
Wireless routers function comparably to traditional routers for wired Ethernet networks. One generally deploys wireless routers when building an all-wireless network from the ground up.

Similar to routers, access points allow wireless networks to join an existing wired network. One typically deploys access points when growing a network that already has routers installed. In home networking, a single access point (or router) possesses sufficient range to span most...
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