本标准规定了提供多种服务的固定和移动点对多点宽带无线接入（BWA）系统的空中接口，包括介质访问控制层（MAC）和物理层（PHY）。MAC的结构支持WirelessMAN SC、WirelessMANOFDM和WirelessMAN OFDMA PHY规范，每种规范都适用于特定的操作环境。

This standard specifies the air interface, including the medium access control layer (MAC) and physical layer (PHY), of combined fixed and mobile point-to-multipoint broadband wireless access (BWA) systems providing multiple services. The MAC is structured to support the WirelessMAN-SC, WirelessMANOFDM, and WirelessMAN-OFDMA PHY specifications, each suited to a particular operational environment.