Why WiMAX Technology

Wimax technology is expected to do more for Metropolitan Area Networks (MANs) and what Wi-Fi has done for local area networks (LANs)? Wimax is not projected to replace Wi-Fi, but to complement it by connecting Wi-Fi networks to each other or the Internet through high-speed wireless links. You can therefore use Wimax technology to extend the power and range of Wi-Fi and cellular networks. However, in developing countries, Wimax Technology may become the only wireless technology because Wi-Fi and cellular have not penetrated areas that can be reached with Wimax technology. (Wimax.com, 2007)
Range (Coverage) of Wimax Technology The wide range of Wimax technology depends on the height of the antennas, if they are installed at the suitable position from where there is no barrier between the transmitter and receiver, and then we can get better range and service from it. Even though the frequency for operation of Wimax is not definite, the most likely band at 3.5GHz is higher in frequency than the 3G bands at around 2.1 GHz. Range will, as a result, be lower, perhaps somewhere between 50% and 75% of the range of 3G. Wimax can therefore support 30 to 50 kilometres distance with Line-of-Sight (LOS) links. As far as Non-line-of-sight (NLOS) links in concerned Wimax can support the broad range from 3 to 10 kilometres using advanced modulation algorithm that can overcome many interfering objects that Wi-Fi systems cannot pass through. (Tom Carpenter, 2006)

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