发明名称 |
Stratospheric platforms communication system using adaptive antennas |
摘要 |
A communication system has a high altitude device having an adaptive antenna with a plurality of main array antenna elements for generating a plurality of communication beams. The system further includes a gateway station coupled to the high altitude device. The gateway station forms a plurality of beams commands by communicating a plurality of control signals to the high altitude device station to form the communication beams.
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申请公布号 |
US7809403(B2) |
申请公布日期 |
2010.10.05 |
申请号 |
US20010858989 |
申请日期 |
2001.05.15 |
申请人 |
THE DIRECTV GROUP, INC. |
发明人 |
CHANG DONALD C. D.;LIM WAH L.;CHANG MING U. |
分类号 |
H04M1/00;H01Q1/24;H01Q3/26;H01Q25/00;H04B7/04;H04B7/185;H04B7/204;H04W16/26;H04W16/28;H04W88/08 |
主分类号 |
H04M1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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