Method for detecting received signal intensity indication

The method includes following steps: (1) mixing input signal and local oscillation; (2) using window selector intercepts a segment of mixed baseband data; (3) carry out autocovariance calculation for the intercepted data to construct autocovariance matrix; (4) carrying out power spectrum estimation...

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Bibliographic Details
Main Author SENLING,WANG LIN
Format Patent
LanguageEnglish
Published 29.08.2007
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
SELECTING
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:The method includes following steps: (1) mixing input signal and local oscillation; (2) using window selector intercepts a segment of mixed baseband data; (3) carry out autocovariance calculation for the intercepted data to construct autocovariance matrix; (4) carrying out power spectrum estimation for result of calculating autocovariance. Without need of switching local oscillations frequently, and designing lowpass filter, the invention can detect signal intensity indicators of multiple channels at same time by adjusting range for observing power spectrum so as to reduce power consumption and cost of system greatly.
Bibliography:Application Number: CN2007136528