Next Generation Mobility: 4G

Technology makes the world go round. What would we do without our cell phones and PDA's? Certainly more than a few of us would be lost. Many would probably suffer from withdrawal symptoms if not worse; some would fall into catatonic comas, shocked from being unable to update their status on Twitter, or from being unable to harvest their crops on Farmville, or uploading their latest pictures onto flickr. Indeed, the world would be a poorer place without technology.

Yet for all our lauding of technology—it is something that many of us cannot go a day without, let alone an hour—it can also become the bane of our existence. How many times have you wanted to chuck your mobile phone out the bus window because of dropped calls or a spotty internet connection? How often have you cursed under your breath because that file you were trying to transfer simply wouldn't upload?

The days of frozen streaming videos, unresponsive Youtube movies, trying to load certain media heavy websites and pressing refresh dozens of times only to give up in frustration, those days are almost gone. Those are the days of 3G. Ok, so many people are still experiencing the dual edged beast that is 3G or third generation mobile communications technology. The 3G network operates using a different set of data protocols. Second gen tech was basically a small leap to the digital network and 3G represented a vast improvement in terms of service, speed and data transfer and handling. Right now what you're looking at is about 1 Megabit per second downstream. While that is an improvement on previous standards, it still is missing some needed speed.

4G or fourth generation is on its way. In some countries it's already the latest standard; although that is the unofficial status. 4G is going to leave 3G far behind in terms of speed. What consumers are going to get is IP or internet protocol based service; the signal is sent across towers which can reach a radius far greater than anything else before. Whereas previously, and even still, wifi dominates the wireless sphere, Wimax and 4G will enable users to go practically anywhere within a 20 or 30 mile radius and get an internet connection.

Wimax's channel width is large, meaning it can move a high amount of data all at once. And it is also more flexible than 3G since it utilizes different frequencies to operate—3G always uses 5MHz whereas the newest gen will be able to use any channel from 1.4MHz to 20MHz. Do you see the difference? So you could get speeds of up to 300Mbps, and that's without any wires whatsoever, it's completely over the air.

That means that soon, very soon, we'll all be enjoying super fast internet speeds wherever we are. And while it might take awhile to achieve maximum speeds, it will certainly be an improvement over 3G.

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