What are the limitations of WiMax?

What are the limitations of WiMax?

- WiMax can not provide highest performance over 50 kilometers. As the distance increases, bit error rate thus reducing performance. Reducing distance to less than 1km allows a device to operate at higher bit rate. A user closer to base station gets better speed at around 30mbps.

- Also as an available bandwidth is shared between no of users, performance depends on number of active users connecting to that base station. So this needs a use of Quality of Service (QOS) mechanism to provide a minimum guaranteed throughput.
Why we need WiMax technology?
Why we need WiMax technology? - The simple answer is, for high speed broadband like internet access on the move.........
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