发明名称 |
Method for digital transmission of messages |
摘要 |
The invention involves a method for digital transmission of messages in a digital radio relay system which utilizes a superframe so additional information can be transmitted with a digital signal. This method eliminates the simulation of a frame alignment signal by service bits. In this invention m superframes each consisting of two half-frames containing a byte for additional bits and in which a scrambling of the digital signals takes place by adding a periodic bit pattern to the digital signal, are combined to form a multiple frame. The pattern used for scrambling has a period equal to the length of the multiple frame.
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申请公布号 |
US4606042(A) |
申请公布日期 |
1986.08.12 |
申请号 |
US19830538296 |
申请日期 |
1983.10.03 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
KAHN, KLAUS-DIETER;KUEHNE, FRIEDRICH;BARTH, HERMANN |
分类号 |
H04J3/12;H04L25/03;H04L25/49;(IPC1-7):H04L9/00 |
主分类号 |
H04J3/12 |
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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