发明名称 |
METHOD OF TRANSMITTING OPERATIONAL SIGNALS OF A DIGITAL MICROWAVE LINK; TRANSMITTER AND RECEIVER FOR CARRYING OUT SUCH A METHOD |
摘要 |
To transmit the service signals of a digital radio beam, the carrier is modulated in accordance with a supplementary state in a special modulator when two successive data words are identical. On reception a special demodulator detects the transmission of a service bit having a value 1. The transmission of a service bit having a value 0 takes place by the detection in a comparator of two successive identical data words simultaneously with the detection of the non-transmission of the supplementary state. This supplementary modulation state advantageously corresponds to the elimination of the carrier. |
申请公布号 |
DE3168370(D1) |
申请公布日期 |
1985.02.28 |
申请号 |
DE19813168370 |
申请日期 |
1981.10.16 |
申请人 |
THOMSON-CSF |
发明人 |
HURIAU, ALAIN |
分类号 |
H04L27/18;H04L15/00;H04L27/20;H04L27/227;H04L27/32;(IPC1-7):H04L27/18;H04L27/00 |
主分类号 |
H04L27/18 |
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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