论文部分内容阅读
1 卫星宽带网络发展概述 近年来,全球范围内Internet接入、交互式多媒体业务、电视会议和其他带宽密集型应用的迅速发展,人们对信息无止境的追求,刺激了企业网和Internet网的爆炸性增长,用户一直在努力寻求可给他们带来更多数据的解决方案,结果导致对带宽需求的大幅度增加。近年来,缺乏带宽的用户以惊人的速度尝试了T1线,xDSL,Cable Modem,ATM和各种无线技术。然而这些地面解决办法已不能满足用户对获取信息的渴求。在这种市场需求的冲击下,一些电信开发商把目光转向了太空,试图借助卫星Internet
1 Overview of Development of Satellite Broadband Network In recent years, with the rapid development of Internet access, interactive multimedia services, video conferencing and other bandwidth-intensive applications around the world, the endless pursuit of information has stimulated the explosiveness of the corporate network and the Internet network Growing, users have been struggling to find solutions that can bring them more data, resulting in a dramatic increase in bandwidth requirements. In recent years, users lacking bandwidth have tried T1 lines, xDSLs, Cable Modems, ATMs and various wireless technologies at an alarming rate. However, these ground solutions can no longer satisfy users’ desire to obtain information. In the impact of this market demand, some telecom developers turned their attention to space, trying to use satellite Internet