WiMAX uses duplexing schemes in wireless transmissions. Duplexing refers to the process by which forward link and reverse link data are sequenced in two-way wireless transmissions. WiMAX supports the Frequency Division Duplex or FDD. It also supports the Time Division Duplex or TDD.

FDD is distinct from TDD in that it requires not only one but two separate channels to transmit both forward link data and reverse link data at the same time. However, this is seen to be inefficient in handling WiMAX. This is due to the fact that data can only use a portion of the bandwidth at a specific time.

Only the other hand, TDD is quite efficient for WiMAX. While it can only transmit forward link data and reverse link data at distinct time slots it only requires a single channel. That is why TDD is seen to be more efficient than FDD. The TDD is also more flexible. The utilization of forward link and reverse link ratio can be rearranged dynamically. This makes TDD more flexible in handling symmetric and asymmetric broadband transmissions.

The WiMAX TDD tandem is said to be the most efficient. It enables simple data transmission and therefore it becomes a cheaper option. This is only rightly so since TDD only uses half the bandwidth of what half FDD uses. While fixed WiMAX could support both TDD and FDD, mobile WiMAX only supports TDD.

Choosing to go with TDD is both beneficial on the service providers and their customers. With an efficient and cheaper system, WiMAX will cost less. End users would then have to pay a lower price to be able to gain WiMAX connection. 

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