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<dl><dd>Thesis advisor(s): Dan C. Boger, Vicente Garcia</dd>
<dd>"June 1996."</dd>
<dd>Thesis (M.S. in Systems Technology (Command, Control and Communications))Naval Postgraduate School, June 1996</dd>
<dd>Bibliography: p. 57-58</dd>
<dd>Cellular communications has become one of the fastest growing segments in the telecommunications industry. The demand for cellular services has risen beyond all expectations. With the current growth of the analog cellular network, a strain has been put on the existing system and available spectrum. Cellular providers have been forced to use the existing bandwidth more efficiently by converting to digital technology. Four major digital cellular techniques are competing for marketplace dominance and each has the ability to expand the capacity of the cellular networks. The four systems are Global System for Mobile Communications (GSM), the Pan-European standard that utilizes FDMA/ TDMA, using 25 MHz bandwidth channels, and operates in the radio frequency bands of 890-915 MHz for the uplink and 935-960 in the downlink; Digital Advanced Mobile Phone System (D-AMPS), the North American Digital Standard which is backwards compatible with the existing AMPS system; IS- 95 manufactured by Qualcomm Inc. which utilizes the newest of the technologies CDMA, and finally Personal Digital Cellular (PDC), Japan's alternative which also uses TDMA technology. It is uncertain which system will become the standard, but it is certain that the ability to get to the marketplace, dominate it, and secure a stronghold in the market will be the successful standard</dd>
<dd>Mode of access: World Wide Web</dd>
<dd>System Requirements: Adobe Acrobat reader</dd>
<dd>US Navy (USN) author</dd>
<dd>dk/dk cc:9996 12/17/96</dd></dl><br>Subjects:</div>
<div class="fn value">
Pruitt-Billingsley, Rachel L.</div>
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