论文部分内容阅读
作为一种新兴、快速、便捷rrrrrrrrn的接入方式,3.5GHz固定无线接入正rrrrrrrrn成为人们普遍关注的话题。其独有的传rrrrrrrrn输距离、接入带宽和抗雨衰以及价格方rrrrrrrrn面的优势,以及所提供的面向分组数据rrrrrrrrn接入的服务、面向语音数据一体化的服rrrrrrrrn务、面向高速专线数据接入的服务和面rrrrrrrrn向综合业务技术的服务,为它带来的良rrrrrrrrn好的发展前景。在2001年和2003年的rrrrrrrrn两次招标中己经初见成效,2004年开rrrrrrrrn始的第三期招标必将推动3.5GHz系统rrrrrrrrn在我国的应用。
As a new, fast and convenient access method, 3.5GHz fixed wireless access is r r n become a topic of universal concern. Its unique transmission distance, access bandwidth and rain attenuation and the price side r r r r r r r r n n n n n n n n n n n n n Services for high-speed dedicated line data access and services to integrated business technology, It brings good prospects for the development of good. In 2001 and 2003, the two bidding had achieved initial success. In 2004, r r n the beginning of the third phase of the tender will promote the 3.5GHz system r r r r r r r r n in our application.