| 发明名称 |
Methods and apparatus for predicting voice quality in AMPS cellular radio systems |
| 摘要 |
In methods and apparatus for assessing voice quality in AMPS cellular radio systems, a signal-to-noise ratio is estimated for a SAT signal of an RF channel, and the voice quality of the RF channel is inferred from the SAT signal-to-noise ratio.
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| 申请公布号 |
US5710791(A) |
申请公布日期 |
1998.01.20 |
| 申请号 |
US19950502264 |
申请日期 |
1995.07.13 |
| 申请人 |
NORTHERN TELECOM LIMITED |
发明人 |
ROYER, CLAUDE;BERNARDIN, CHARLES P.;LO, WING F. |
| 分类号 |
H04B17/00;H04W24/00;H04W84/04;(IPC1-7):H04B3/46 |
主分类号 |
H04B17/00 |
| 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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