Diversity receiver

Details Diversity receiver Diversity receiver

1999-07-15

2000-11-21

Vo, Don N.

Pulse or digital communications

Receivers

Interference or noise reduction

375267, 455137, 455134, H04B 710, H04L 102

Patent

active

061513725

ABSTRACT:
A diversity receiver is disclosed with an object to improve deteriorated transmission due to fading even when frequency selective fading resulting from multipaths occurs in a propagation path. The diversity receiver is provided with two lines, each line comprising an antenna, an orthogonal detector, first sampling and quantizing means, second sampling and quantizing means, a serial-parallel conversion circuit, and a Fourier transform circuit. In each of the lines, a modulated signal transmitted from a transmitter is received and processed. In a diversity processing unit, optimal diversity processing for each subcarrier is performed using the received and processed signals in respective lines. In this manner, an improvement is made in deteriorated transmission quality due to multipath fading between the receiver and the transmitter for transmitting OFDM modulated signals.

REFERENCES:
patent: 5481570 (1996-01-01), Winters
patent: 5621752 (1997-04-01), Antonio et al.
patent: 5933446 (1999-08-01), Bond et al.

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