发明名称 |
METHOD AND APPARATUS FOR AUTOMATIC GAIN CONTROL OF A MULTI-CARRIER SIGNAL IN A COMMUNICATION RECEIVER |
摘要 |
A receiver operates to AGC a multi- carrier signal through a corresponding number of inner loops and an outer loop AGC processes. A first number of bits for representing the multi- carrier signal with a limited amount of interference is determined through a calibration mode process. The first number of bits provides for quantization of the multi-carrier signal at an outer loop AGC to a maximum quantization level. After the received signal power estimate is reached a predetermined "ON" threshold, the outer loop AGC is operated at a second number of bits higher than the first number of bits to allow a quantization of possible interference in accordance with a difference of the first and second number of bits. The outer loop AGC switches back to use the first number of bits when the received signal power estimate falls below a predetermined "OFF" threshold.
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申请公布号 |
KR20050096967(A) |
申请公布日期 |
2005.10.06 |
申请号 |
KR20057014171 |
申请日期 |
2004.02.02 |
申请人 |
QUALCOMM INCORPORATED |
发明人 |
MONTOJO JUAN;SALVI ROHAN SUDHAKAR;BLACK PETER J. |
分类号 |
H03G3/30;H03M1/18;H04L5/06;H04L27/00;H04L27/28;(IPC1-7):H04L27/08;H04L27/26 |
主分类号 |
H03G3/30 |
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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