AIr is the base protocol of infrared wireless LANs. AIr adopts No Packet Level Acknowledgement Protocol(NoPLACK),Packet Level Acknowledgement Protocol,SW-ARQ in AIrMAC,AIr Link Control,and AIr Link Manage.

• AIr协议在媒体访问控制 (MAC)、链接控制和链接管理上选择了无包级确认协议 (NoPLACK)、包级确认协议 (PLACK)、停 等自动重传请求协议(SW ARQ)等协议。