(The full name is WorldwideInteroperabilityforMicrowaveAccess, that is, the global microwave interconnection access. Another name for WiMAX is 802.16. WiMAX is a new broadband wireless access technology that can provide high-speed Internet-oriented connections with data transmission distances up to 50km. WiMAX also has the advantages of QoS assurance, high transmission rate, rich and diverse services, etc.)