宽带无线接入是指采用微波频段无线传输技术,点到多点组网方式的固定无线接入技术,可同时解决高速数据和话音业务的接入。目前在我国有两种宽带无线接入技术在试用:3.5GHz固定无线接入和本地多点分配业务(LMDS)。 Broadband wireless access refers to the fixed wireless access technology adopting the microwave frequency band wireless transmission technology and the point-to-multipoint networking mode, and can simultaneously access high-speed data and voice services. There are currently two trials of broadband wireless access technologies in our country: 3.5GHz Fixed Radio Access and Local Multipoint Distribution Service (LMDS).