Saturday, February 19, 2011

What is WiMax ?

WiMAX is an IP based, wireless broadband access technology that provides performance similar to 802.11/Wi-Fi networks with the coverage and QOS (quality of service) of cellular networks. WiMAX is also an acronym meaning "Worldwide Interoperability for Microwave Access (WiMAX).WiMax is a 4G technology used by Sprint. Sprint threw down with Clearwire's WiMAX 802.16e network, which was first out of the gate stateside. Simply stated, WiMAX is a scalable wireless access technology designed to provide high throughput over long distances.It also has the potential to bring high-speed access to areas that have, thus far, been blocked from it due to a lack of fiber.
So, how will WiMAX make this possible?
A WiMAX deployment will essentially have two hardware components — a WiMAX tower and a WiMAX receiver. The tower is not unlike a cell tower, but can provide coverage to an estimated 30-mile radius. The tower connects to the Internet using a high-bandwidth wireline connection (e.g., T3), or it provide a wireless backhaul to other WiMAX towers with LOS (line of sight) microwave links.Ultimately, a network of connected WiMAX towers will drive the deployment of an 802.20-based Global Area Network (GAN), closely resembling cellular networks, but with far fewer tower required to provide the same coverage. This will allow true ubiquitous access across the country or region, providing bandwidth comparable to cable Internet service, at the very least.

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