(WiMAX (Worldwide Interoper-ability for Microwave Access) is a broadband wireless access technology based on the IEEE802.16 series of protocols, and has gradually become a new development hotspot in metropolitan broadband wireless technology. It can replace the existing DSL and wired connection methods and provide fixed and mobile wireless broadband connections. Because of its low construction cost, high technical function and strong reliability, it will be the ultimate one-kilometer connection for managing IPTV.)