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Wireless Broadband
By Michael Russell
Nobody could have predicted the Internet and how much the world would embrace it, not only for entertainment, but also for commerce and even social interaction. Not even Nostradamus, who has descriptions of numerous future technologies like helicopters and tanks, mentions the Internet anywhere in his quatrains. There are probably more people with email addresses than there are people with telephones.
Our experience online is always dependent on the speed of our access. Most of us probably had our first experience online through dial-up access, using a telephone line and a modem. The fastest these modems can go is 56Kbps (Kilo bits per second) and is mostly adequate for E-mails and regular browsing. The popularity of the Web however has spurred new forms applications and features that make dial-up access almost unbearable.
Because of these new applications and features, high-speed access is now in big demand and broadband has proven to be the popular choice. Broadband is the common term used for the technology that provides speeds that is at least 10x that of dial-up. In fact, broadband today refers to speeds in the Mbps (Mega bit per second). And the most common broadband options today are mostly over the wire, like DSL and Cable, using the existing telephone line and cable that already goes into every home.
If you are unlucky enough to be situated in an area where wired broadband services are not available, not to worry because wireless broadband has come of age. These wireless broadband services are available as fixed wireless solutions or as a mobile solution.
Fixed wireless broadband refers to systems that are situated in fixed locations such as at the office or at home. Without having to layout cables or wires, fixed wireless broadband is easily deployable in remote areas as a "last mile" solution. With wireless technology now widely available to consumers, it is not as prohibitive to implement as before when large cumbersome antenna or microwave dishes were used.
Most common fixed wireless solutions for companies and home users are the Private Unlicensed Link (Spread Spectrum) and Satellite Systems:
• Spread spectrum is a popular choice because the standards have matured a lot to an extent that a lot of vendors now offer devices supporting this technology at an affordable price. Commonly known as WiFi, this wireless broadband offers a speed of 10Mbps up to 54Mbps.
• Satellites themselves may not be fixed, since they are orbiting above the earth, but the receiving stations are. With speeds ranging from 56Kbps to 155Mbps, this is one solution not commonly for home users but more for the corporate sector. Although, a Satellite link carries with it the inherent delay that the signal has to travel from earth to the orbiting satellite, usually about a quarter of a second.
For a single user, there are also wireless access solutions available through mobile phone providers. Mobile broadband services become available as 3G technology is adopted in countries around the world. With 3G (Third Generation) high speed services, mobile broadband can reach a maximum of 1.4Mbps. Limitations of course are in the coverage of the signal.
The Internet has continually changed over the years from its humble beginnings of being a simple communication tool to being today's ubiquitous cyberspace we all know and love. And with wireless broadband, the Internet can now be accessed anytime and anywhere.
Michael Russell
Your Independent guide to Broadband
Article Source: http://EzineArticles.com/?expert=Michael_Russell
http://EzineArticles.com/?Wireless-Broadband&id=385230
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