论文部分内容阅读
在预计于2015年11月召开的世界无线电大会上,卫星通信行业可能难以保住自己对C频段的独占权。这个位于3.4-4.2吉赫之间的频段一直被认为是卫星通信的禁脔,承担了电话、电报、电视转播、干线通信等的业务,是卫星通信产业起家的频段。但近年来地面无线通信的发展受到移动互联网的猛烈推动,急需更多的频段来
At the World Radiocommunication Conference scheduled to take place in November 2015, it may be difficult for the satellite communications industry to retain its exclusive rights over the C-band. The frequency band between 3.4 and 4.2 GHz has been considered as a ban on satellite communications and has undertaken the business of telephone, telegraph, television broadcasting and trunk communications. It is a frequency band in which the satellite communications industry started out. However, in recent years, the development of terrestrial wireless communications has been fueled by the mobile Internet and urgently needs more frequency bands