发明名称 |
Ground based beam forming utilizing synchronized code division multiplexing |
摘要 |
A method permitting beam forming at a ground station for providing a coherent and stable uplink signal to a satellite system employing multiple spot beams by combining orthogonal synchronous code division multiplex codes and pseudo-random spreading codes with an information signal to implement a satellite feeder uplink.
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申请公布号 |
US5903549(A) |
申请公布日期 |
1999.05.11 |
申请号 |
US19970803934 |
申请日期 |
1997.02.21 |
申请人 |
HUGHES ELECTRONICS CORPORATION |
发明人 |
VON DER EMBSE, URBAN A.;HUANG, KEN YU;CHANG, DONALD C.D.;MAYFIELD, WILLIAM W. |
分类号 |
H04B7/216;(IPC1-7):H04B7/00;H04B7/185 |
主分类号 |
H04B7/216 |
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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