The Evolution of Cell Phones

Paper Summary:

This paper examines the development of cellular telephone technology from 1947 when researchers were investigating initial conceptual models of car phones. It looks at the birth of wireless technology which took place only after the availability of inexpensive microprocessors and digital switching as well as the invention of the first modern. It also discusses the establishment of the Cellular Technology Industry Association and the release of standard specifications.

From the Paper:

"Basically, cellular phones are a type of two-way radio. AT&T made a proposition to the Federal Communications Commission (FCC) in 1947 to designate several radio-spectrum frequencies in order to promote the feasibility of widespread mobile telephones. The FCC did not allocate as many radio frequencies as AT&T wanted. The number of frequencies designated was small, allowing only twenty-three conversations on mobile phones in any on service area. In this respect, it may be concluded that the FCC may have delayed the availability of mobile phone service to the general public. "

Sample of Sources Used:

• Bellis, M. (2007). Selling the cell phone. Retrieved 6/13/2007 from http://inventors.about.com/library/weekly/aa070899.htm.
• Farley, T. (2007). Privateline.com: mobile telephone history. Retrieved 6/13/2007 from http://inventors.about.com/gi/dynamic/offsite.htm?site=http://www.privateline.com/PCS/history.htm.

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