Diversity reception device

Details Diversity reception device Diversity reception device

1998-05-21

1999-05-04

Tse, Young T.

Pulse or digital communications

Receivers

Interference or noise reduction

375349, 455133, H04B 708

Patent

active

059011874

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.

REFERENCES:
patent: 5280637 (1994-01-01), Larosa et al.
patent: 5321850 (1994-06-01), Backstrom et al.
patent: 5461646 (1995-10-01), Anvari
patent: 5465271 (1995-11-01), Hladik et al.

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