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.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.

Examples of wireless networks include cell phone networks, Wireless local area networks (WLANs), wireless sensor networks, satellite communication networks, and terrestrial microwave networks.

The first professional wireless network was developed under the brand ALOHAnet in 1969 at the university of Hawaii. It became operational in June, 1971. The first commercial wireless network was the WaveLAN product famliy, developed by NCR in 1986.

Wireless personal area networks (WPANs) interconnect devices within a relatively small area, that is generally within a person's reach. For example, both Bluetooth radio and invisible infrared light provides a WPAN for interconnecting a headset to a laptop. ZigBee also supports WPAN applications. Wi-Fi PANs are becoming commonplace (2010) as equipment designers start to integrate Wi-Fi into a variety of consumer electronic devices. Intel "My WiFi" and Windows 7 "virtual Wi-Fi" capabilities have made Wi-Fi PANs simpler and easier to set up and configure.

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