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Essay / Research Paper Abstract
A 6 page paper discussing the development and use of the “smart” antenna as a method of reducing the level of radiation exposure resulting from cellular telephone use. Bibliography lists 3 sources.
Page Count:
6 pages (~225 words per page)
File: CC6_KSeeCellAnt.rtf
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Unformatted sample text from the term paper:
simplest form, the antenna of a cellular telephone is nothing more than a wire, collecting signals from a 360? pattern and emitting them in the same manner. The antenna
is not an amplifier, but exists for the purpose of launching radio waves from the transmitter into space (Bonsor, 2003). There has been
much debate in recent years as to whether the radiation emitted by cellular telephones should be of concern to cell phone users. The problem appears to be a real
one, with the full potential effects still unknown. At least one group has proposed a different approach to antenna use, however, one that should reduce the amount of radiation
reaching the human brain. Operation All cell phones contain low-power transmitters; a "handheld cell phone operates on about 0.75 to 1 watt of
power" (Bonsor, 2003). Where that transmitter is inside the telephone in relation to the antenna depends on the manufacturers design, but cellular telephones continue to shrink in size.
As a result, the transmitter typically is quite close to the antenna. The signals that a cellular telephone sends out from it are
encoded and are made up of "electromagnetic radiation propagated by the antenna" (Bonsor, 2003). Because most users hold their cell phones to their head during talking, it is reasonable
to assume that human tissue absorbs at least a portion of the radiation generated in the transmitter and emanating from the antenna. Christofilakis,
Alexandridis, Kostarakis, Dangakis, Angelis and Papadimitriou (n.d.) note that the "very rapid development in mobile communication has drawn attention to eventual possible health risks due to electromagnetic (EM) energy emitted
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