发明名称 |
METHOD FOR EXTENDING DIGITAL RECEIVER SENSITIVITY USING ANALOG CORRELATION |
摘要 |
Analog correlation techniques are used in a digital receiver portion of a spread spectrum transceiver to determine when to turn ON given digital receiver components. According to a particular embodiment, an analog correlator receives the down-converted in-phase and quadrature-phase outputs from the radio section and determines when a received signal is coming up at or near a given noise level. A control circuit is coupled to the correlator to selectively activate flash A/D converters in the digital receiver portion of the baseband processor. The analog correlator replaces the RSSI for "sniffing" whether a received signal is present. |
申请公布号 |
EP1171958(B1) |
申请公布日期 |
2004.02.25 |
申请号 |
EP20000983146 |
申请日期 |
2000.11.16 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
MOHINDRA, RISHI |
分类号 |
H04B1/16;H04B1/707;H04B1/709 |
主分类号 |
H04B1/16 |
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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