发明名称 SATELLITE COMMUNICATIONS SYSTEM
摘要 The invention refers to a satellite communications system with a mobile user terminal. In order to provide a satellite communications system which enables communication with a mobile user terminal via conventional communication satellites on any area of interest on earth, a quasi-geostationary satellite is operated in an inclined orbit and sends a spread downlink signal s'(t) to said area of interest on earth to be received and despreaded by a mobile user terminal.
申请公布号 CA2422601(C) 申请公布日期 2011.11.08
申请号 CA20012422601 申请日期 2001.09.27
申请人 SES ASTRA S.A. 发明人 BETHSCHEIDER, GERHARD;HARLES, GUY
分类号 G01S5/14;H04B7/19;H04B7/185;H04B7/195;H04B7/216;H04Q7/34 主分类号 G01S5/14
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