Apparatus and method for measuring noise power in a CDMA mobile communication system
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United States of America Patent
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Nov 23, 2004
Grant Date -
N/A
app pub date -
Sep 18, 2000
filing date -
Sep 18, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A noise power measuring system and method for a base station receiver are disclosed. In the system and method, a received signal is despread and the noise power of the despread received signal is estimated. An orthogonal code generator generates a noise power measurement orthogonal code, which is orthogonal to all the orthogonal codes presently being used by the mobile station. A correlator connected to the orthogonal code generator performs a correlation operation between the noise power measurement orthogonal code and the despread received signal. A noise power measurer connected to the correlator, measures the noise power from the output of the correlator.
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