Data reception apparatus, data transmission apparatus and method

Details Data reception apparatus, data transmission apparatus and method Data reception apparatus, data transmission apparatus and method

1996-03-27

1999-02-02

Bocure, Tesfaldet

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

375295, 375341, H04L 512

Patent

active

058675329

ABSTRACT:
A data reception apparatus receiving a transmission signal that has been modulated by a predetermined modulation method such as a trellis coding, inserted with a predetermined reference data in a predetermined period, and transmitted through a transmission path, and that decodes the received signal. The data reception apparatus includes: a demodulating unit for demodulating the received signal and providing a demodulated signal; a reference data extracting unit for extracting the inserted reference data from the demodulated signal; an estimating unit for estimating the transmission characteristic of the transmission path with reference to the extracted reference data for providing an estimated data; and a decoding unit for decoding the demodulated signal with reference to the estimated data.

REFERENCES:
patent: 5307376 (1994-04-01), Castelain
patent: 5452288 (1995-09-01), Rahuel et al.
patent: 5467132 (1995-11-01), Fazel et al.
patent: 5521943 (1996-05-01), Dambacher
patent: 5659573 (1997-08-01), Bruckert et al.
patent: 5748677 (1998-05-01), Kumar

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