Demodulation method and demodulation apparatus

Details Demodulation method and demodulation apparatus Demodulation method and demodulation apparatus

1999-04-06

2000-05-23

Vo, Don

Pulse or digital communications

Receivers

Particular pulse demodulator or detector

714701, H03D 100, H04L 2706

Patent

active

060673303

ABSTRACT:
A demodulation apparatus includes selectors (15r, 15i) for selecting designated data from data of N points outputted from a Fast Fourier-transform circuit (13) and previously-prepared 0 data and outputting the selected data as data of a plurality of series, output order data generators (16, 17) for designating data selected by the selectors and a decoder (20) for decoding data based on data of a plurality of series outputted from the selectors. An interleaved and punctured OFDM-modulated signal can be demodulated by a simple arrangement and in a short period of time.

REFERENCES:
patent: 5363408 (1994-11-01), Paik et al.
patent: 5450453 (1995-09-01), Frank
patent: 5452288 (1995-09-01), Rahuel et al.
patent: 5703902 (1997-12-01), Ziv et al.
patent: 5896419 (1999-04-01), Suzuki

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