| 发明名称 |
Detecting loss of echo cancellation |
| 摘要 |
In a full-duplex modem, correlation of an echo estimate signal with an echo-canceled signal is used to determine the presence or absence of a remote signal.
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| 申请公布号 |
US5206854(A) |
申请公布日期 |
1993.04.27 |
| 申请号 |
US19910766234 |
申请日期 |
1991.09.24 |
| 申请人 |
AT&T BELL LABORATORIES |
发明人 |
BETTS, WILLIAM L.;DAY, II, ROBERT A. |
| 分类号 |
H04B3/23 |
主分类号 |
H04B3/23 |
| 代理机构 |
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