发明名称 |
METHOD FOR IMPROVING THE WANTED SIGNAL IN A RADIO RECEIVING UNIT |
摘要 |
Method for improving the wanted signal in a radio receiving unit It is known for a signal-strength detection unit to be used to detect the ratio of the input signal to the wanted signal obtained after it. A disadvantage in this case is that interference elements, which are also amplified, not only corrupt the output signal of the signal-strength detection unit, but can also adversely affect the quality of the wanted signal. The invention is based on the object of providing a method for improving the wanted signal in the receiving unit of a communications system. The method according to the invention for improving the wanted signal in a radio receiving unit having a channel filter, having a switch, having a control unit, having a signal-strength detection unit and having controllable amplifiers is distinguished in that the control unit drives the switch in such a manner that the switch alternately supplies a first signal upstream of the channel filter and a second signal downstream from the channel filter to the signal-strength detection unit, and that the output signal of the signal-strength detection unit is supplied to the control unit, and that the amplifiers are driven as a function of the output signal.
|
申请公布号 |
CA2276797(C) |
申请公布日期 |
2010.06.01 |
申请号 |
CA19992276797 |
申请日期 |
1999.06.30 |
申请人 |
DEUTSCHE THOMSON-BRANDT GMBH |
发明人 |
ROTH, SABINE;SCHEMMANN, HEINRICH;SCHWANENBERGER, THOMAS |
分类号 |
H03G3/20;H04B1/18;H03G3/30;H03G3/34;H04B1/06;H04B1/10;H04B1/14;H04B1/16 |
主分类号 |
H03G3/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|