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Telecommunications and Networking - Essay Example

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A cellular network is a radio network made up of a number of radio cells (or just cells) each served by a fixed transmitter, known as a cell site or base station. These cells are used to cover different areas in order to provide radio coverage over a wider area than the area of one cell…
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Telecommunications and Networking
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Download file to see previous pages In order to select a preferable network technology that suits the individual needs, understanding the difference between both the technologies is very important.
Likewise CDMA is a proprietary standard that was designed by the Qualcomm of the United States of America. The CDMA network was popular in North America and Asia. GSM technology became popular in America whereas the CDMA technology gained popularity in the outer parts of America and various other parts of the world.
With the advent of cellular phones doing double and triple duty as streaming video devices, podcast receivers and email devices, speed is important to those who use the phone for more than making calls. CDMA has been traditionally faster than GSM, though both technologies continue to rapidly leapfrog along this path. Both boast "3G" standards, or 3rd generation technologies.
EVDO, also known as CDMA2000, is CDMA's answer to the need for speed with a downstream rate of about 2 megabits per second, though some reports suggest real world speeds are closer to 300-700 kilobits per second (kbps). This is comparable to basic DSL. As of fall 2005, EVDO is in the process of being deployed. It is not available everywhere and requires a phone that is CDMA2000 ready.
GSM's answer is EDGE (Enhanced Data Rates for GSM Evolution), which boasts data rates of up to 384 kbps with real world speeds reported closer to 70-140 kbps. With added technologies still in the works that include UMTS (Universal Mobile Telephone Standard) and HSDPA (High Speed Downlink Packet Access), speeds reportedly increase to about 275-380 kbps. This technology is also known as W-CDMA, but is incompatible with CDMA networks. An EDGE-ready phone is required.
In the case of EVDO, theoretical high traffic can degrade speed and performance, while the EDGE network is more susceptible to interference. Both require being within close range of a cell to get the best speeds, while performance decreases with distance.
The most common example of the cellular network with respect to the present day technology is the Cellular phone or the mobile phone. The use of cellular network with relevance to the mobile phones is explained in detail below.
Cellular phones, today, have become like any other consumer durable, which almost every common is using everyday. This development, in the world of cellular communication has happened during the last two decades. Cellular phone is a device that helps us communicate with other people staying anywhere in the world. Most of the people who use a cellular phone do not actually know how this process of communicating over phone with a person in another part of the world is possible. The communication process that is taking place through a cellular phone is with the help of a supportive infrastructur ...Download file to see next pagesRead More
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