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介绍了以IEEE802.16标准为基础的无线城域网技术WiMAX的发展过程,分析了无线城域网体系结构,包括物理层技术特点,MAC层的QoS保证机制,并且对WiMAX的几种典型应用进行了分析。
This paper introduces the development of wireless metropolitan area network (WiMAX) based on the IEEE802.16 standard, and analyzes the wireless metropolitan area network architecture, including the characteristics of the physical layer and the QoS guarantee mechanism of the MAC layer. Several typical applications of WiMAX Analyzed.