发明名称 |
Concatenated coding system for satellite communications |
摘要 |
The present invention provides a method for custom coding uplink signals and downlink beams in a satellite communications system. The method includes the step of applying, at a ground station (100), an outer code (102) to an uplink signal to produce an outer coded uplink signal. Next, the ground station (100) applies a selected reduced complexity inner code (104) to the outer coded uplink signal to produce a concatenated coded uplink signal. The ground station (100) transmits the concatenated coded uplink signal to a satellite (110). At the satellite (110), the inner code of the concatenated coded uplink signal is decoded (116) to produce an outer coded satellite data stream. Next, the satellite (110) applies a selected inner code (120) to a portion of the outer coded satellite data stream to produce a concatenated coded satellite data stream. The satellite (110) then transmits the concatenated coded satellite data stream in a downlink beam to a destination ground station (126).
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申请公布号 |
US6138261(A) |
申请公布日期 |
2000.10.24 |
申请号 |
US19980069681 |
申请日期 |
1998.04.29 |
申请人 |
TRW INC. |
发明人 |
WILCOXSON, DONALD C.;KCHAO, CHAMROEUN;PERAHIA, ELDAD |
分类号 |
H03M13/15;(IPC1-7):H03M13/00 |
主分类号 |
H03M13/15 |
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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