Tuesday, March 2, 2010

Monthly Geeky Vol. 5

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Mobile Technology - Revisited 

Frankly we live in one of the most peak times within science is concerned and something that seems to have no end and will continue for long.  The world of mobile technology is no exception and now we will look at its evolution from radio communicators, from what we today.

Mobile telecommunications technology
Although we do not have that memory (or our parents), the technology we know today as cell phones, it was a reality by the year 1946 in the United States within a conjunction between Motorola and Bell System (AT & T under your company name monopoly until 1984 when the government ordered their separation), created the first mobile telephone system. Although initially it was not automated, in other words, an operator to connect calls. Obviously, the militia was not far behind, building communications, very helpful in the 2nd World War where he was always critical communications. At this time they were known as Radio Mobile Phones using analog technology.
 
Standards - 1G, 2G, 3G?
Many wonder today (time in carrying out this article), "If my phone is 3G." In my case I say that, well let me, and I think many of you stays the same. Then they mention something that many people do not realize. What we know today 3G, is not simply whims of moving companies in mention. 3G is a standard, several global organizations that are dedicated to optimizing and maintaining excellent communication, which serves as a guide for developers of mobile and wireless service providers. For 3G, 3 is the third and G comes from generations other words, we are currently in the 3rd generation mobile telephony. But then we will discuss the past generations of mobile standards.

  
Radio Mobile Phones a.k.a.  0G
Definitely where I came to start actually 0G is the time of the first generation of mobile telephony. Not only were for personal use, but the boats and the militia were mainly large clients. As recently as the '90s, there was a boom of mobile carts stop costing the same as buying a car, thus marking the end of that era.


1G
 
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The mobile phone these days, began to give it a real use for the analog signal for communications where calls are modulated at frequencies of 150MHz or more.


2G
 
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The second generation of mobile technology developed in 1991 under the Groupe Special Mobile (which also would create future GSM technology). This is the distinction of being the generation which is implemented digitally encrypted calls that guaranteed better reception and better delivery . Transfers call at frequencies ranging from 900Mhz. y 1800Mhz. CDMA is introduced. It also began airing data for the phones that reached a speed of 9.6 Kbit / sec under the GPRS technology, 2G right now happen to be 2.5G. In 2.75G it then introduces the EDGE technology, seeking improvement to be conveying GPRS data at a speed 180Kbits/sec allowing neat thing as mobile TV, Music players and video players, obviously it goes without saying that today is day of continuous use and referred to as 2.75G.


3G
 
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The third generation, where they currently are now. It is known as the Universal Mobile Telecommunications Standard (UMTS), where almost exceeds the original technology of GSM. Phones designed on this standard are able to increase the receiving and sending data, enough for the video-conference be possible. Another positive aspect and that is the cream of this business, the "roaming" more streamlined for customers to make their journeys and continue statements. Recently introduced the 3.5G or HSDPA (High Speed Downlink Packet Access). The name says it all virtually. Su velocidad de datos puede llegar hasta 14Mbits/sec. Its data rate can reach 14Mbits/sec.


I'm not done, comes the 4G
The future of mobile phones comes with the 4G, already identified as International Mobile Telecommunications Advanced (IMTA). Its main objective is to realize that mobile data, can surpass the speed of Gbits likely to arrive until 1 or 1.1Gbits/sec. It stresses communication protocols mobile via internet or VoiceIP.It is rumored that the CDMA may be dying at this point and was replaced by a technology that equalize frequency domains. To me that sounds rather than in the case of Puerto Rico would be segmented OneLink style, Choice Cable and Liberty (my theory).


“Flashback”. I hope you have enjoyed this "Flashback".