WiMAX is a wireless broadband solution that offers a rich set of features with a lot of flexibility in terms of deployment options and potential service offerings. Some of the salient features that deserve highlighting are:
1. OFDM-based physical layer
2. Very high peak data rates
3. Scalable bandwidth and data rate support
4. Adaptive Modulation and Coding (AMC)
5. Link-layer retransmissions
6. Support for Time Division Duplex (TDD) and Frequency Division Duplex (FDD)
7. Orthogonal Frequency Division Multiple Access (OFDMA)
8. Flexible and dynamic per user resource allocation
9. Support for advanced antenna techniques
10. Quality of Service (QoS) support
11. Robust security
12. Support for mobility
13. IP-based architecture
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