发明名称 |
HIGH DYNAMIC RANGE LOW RIPPLE RSSI FOR ZERO-IF OR LOW-IF RECEIVERS |
摘要 |
A received signal strength indicator operating at low intermediate of zero intermediate frequency is provided. The received signal strength indicator forms absolute values from an in-phase signal component and a quadrature signal component of a low or zero intermediate frequency signal that represents a received radio frequency signal. The absolute values are added. Logarithmic signal processing is performed either before absolute signal forming or after adding. Finally, low pass filtering is performed. |
申请公布号 |
EP1157489(A1) |
申请公布日期 |
2001.11.28 |
申请号 |
EP20000987368 |
申请日期 |
2000.12.08 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
MOHINDRA, RISHI;STROET, PETRUS, M. |
分类号 |
H04B17/00;(IPC1-7):H04B17/00 |
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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