Wireless Technologies

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Wireless data has become the technology of the future. Data is being passed from one location to another without the human eye detecting this transaction. Wireless data is transferred in many forms from home networks, business networks, and cellular networks. Each of these networks operates on a different scale and technology.

Home networks have been steadily growing over the years as manufacturers have developed new and easier to use devices that install quickly and give the owner the ability to manage their own wireless internet at home. Wireless routers have become the standard at home and many users are installing these to allow the growing number of computers and laptops in their household to access the World Wide Web. Wireless routers use high-frequency radio waves to transmit data across the home network to a laptop or desktop wireless network card. First, the computer uses the wireless network card, also known as a wireless adapter, to translate the data into radio signals then broadcasts the signal using the built in antenna. The wireless router receives the signal, decodes the information, then sends the request of information to the World Wide Web through the router’s own wired connection to the Internet Service Provider (ISP.)

These routers currently transmit in the frequency range of 2.4 GHz or 5 GHz allowing the signal to carry more data than other lower frequency devices such as cell phones, walkie-talkies, and televisions. (Brain and Wilson) Currently, wireless routers operate in the 802.11 standard as established by the Institute of Electrical and Electronic Engineers of which it has four commonly used versions: 802.11a, 802.11b, 802.11g, and 802.11n. Each of these standards allow for different data connectio...

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...ebruary 2012. .

Kang, Cecilia. Number of cellphones exceeds U.S.population:CTIA trade group. 11 October 2011. 20 February 2012. .

Mitchell, Bradley. Wireless Standards-802.11b 802.11a 802.11g 802.11n. n.d. 20 February 2012. .

Phifer, Lisa. 3G(third generation of mobile telephony). August 2000. 20 February 2012. .

Schneider, Gary P. and Jessica Evans. The Internet. Boston: Course Technology, Cengage Learning, 2010. Print.

Wood, Lamont. How 4G Works. 27 January 2010. 20 February 2012. .

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