For fixed Broadband Wireless Access(BWA) systems, a new protocol, called IEEE 802.16 was developed and published in April 2002. The standard defines the air interface for wireless metropolitan area networks(MAN).

• 为此，IEEE组织为第二代无线城域网WMAN制定了新的协议标准IEEES02.；16，定义了新的空中接口规范Wireless-MAN，以期望提供统一的业界标准。 论文第二章主要工作涉及802