Diversity reception device
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United States of America Patent
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-
May 4, 1999
Issued Date -
N/A
app pub date -
May 21, 1998
filing date -
May 16, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A diversity reception device which weights in proportion to the reception level and combines a plurality of reception signals, includes a phase demodulator for demodulating the phase of the reception signal, a converter to output the sine and cosine elements of the reception signal, a sine element adder to add up sine element of each reception signal, and a cosine element adder to add up cosine element of each reception signal. The converter fetches and outputs predetermined values on sine and cosine elements of the reception signal upon input of the reception signal's reception level and phase data that is sent from phase demodulator. Therefore, the present device does not require expensive electronic circuits and can be made of small digital circuits suitable for IC including a memory.
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