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Cellular Phones: A History Of Hellos
Submitted : 2007-04-22 10:04:23Word Count : 583Popularity: 86Tags: cellular, phone, communication, conversation, cell, towers
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Before the advent of cellular networks, communication with others was quite a chore. First there [link widoczny dla zalogowanych] was the smoke signal, and then the messenger with scrolls, then the Pony Express, then the telegraph and mail, then came the telephone.
People once thought that the telephone was the ultimate form of communication. They had to guess again when cellular phones came into vogue.
In today's information age, there are so many [link widoczny dla zalogowanych] different forms of communication. The internet opened the doors to electronic mail and instant messaging communications.
However, the fastest growing mode of communication is cellular network communication, which in everyday talk is the use of cellular phones.
In 2003, the reported number of cellular phone users rose to 700 million, 120 million of which are in the Unites States.
The growing popularity of cellular phones owes much to the fact that cellular phones allow [link widoczny dla zalogowanych] subscribers to call and be called from practically any location, as long as he or she [link widoczny dla zalogowanych] is within the network area. And as cellular phones grow in popularity, the network coverage grows along with them.
Cellular phones are also attractive because they are wireless, and [link widoczny dla zalogowanych] are lightweight. They run on low power and can remain powered up to receive a call for as long as half a week. The phone allows talk times up to a few hours.
How Do [link widoczny dla zalogowanych] They Work
Cellular phones work by transmitting radio signals to nearby cell sites. These cell sites are towers that receive such signals and transmit them to other nearby cell sites until they reach the cell site nearest to the recipient of the call.
The structure of the network makes sure that the [link widoczny dla zalogowanych] network coverage can span immense distances without having to rely on only on broadcast site.
These phone networks exist [link widoczny dla zalogowanych] in most metropolitan areas in the world and their nearby provinces. [link widoczny dla zalogowanych] Even the far off regions of each country are starting to benefit from an increased construction of infrastructure to accommodate larger network coverage.
The phone itself contains complex circuitry that allows it to be [link widoczny dla zalogowanych] identified over the network. This allows the network to track, identify, and coordinate calls from its subscribers.
History of Cellular Phones
The first cellular phones were developed in the late 70's by Illinois Bell in Chicago. This undertaking met with great success. Development for mass service of cellular technology began in the 80's through the 90's.
During this time, cellular phones were yet clunky, heavy, and had very limited battery life. It was only recently that technological innovations made possible the shrinking of the cellular phone unit.
Nowadays people can not live without the convenience of a cellular phone at hand. It allows people to stay constantly in touch with people they wish to talk to. It [link widoczny dla zalogowanych] also provides cheap, efficient communications among time-critical endeavors such as medical [link widoczny dla zalogowanych] work, business meetings, etc.
The Future
The future of communications starts [link widoczny dla zalogowanych] with the cellular network. Even today newer protocols and technology aim to push mobile communications to the next level. Technologies such as 3G and GPRS are growing in support. Soon these technologies will use the cellular networks as a springboard towards success.
Although the information age is forever changing the way we communicate with [link widoczny dla zalogowanych] one another. Cellular networks have effectively redefined and re-chartered the path technology will take with regards to communication.
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