本标准规定了支持多种服务的宽带无线接入（BWA）系统的WirelessMAN高级空中接口，包括介质访问控制层（MAC）和物理层（PHY）。WirelessMAN高级空中接口支持国际电信联盟（ITU）的IMT高级要求。

This standard specifies the WirelessMAN-Advanced Air Interface, including the medium access control layer (MAC) and physical layer (PHY), of a broadband wireless access (BWA) system supporting multiple services. The WirelessMAN-Advanced Air Interface supports the International Telecommunication Union (ITU)'s IMT-Advanced requirements.