Receiver for a DSSS signal

Details Receiver for a DSSS signal Receiver for a DSSS signal

1991-11-21

1993-01-19

Barron, Jr., Gilberto

Pulse or digital communications

Repeaters

Testing

375103, 375 14, H04L 920, H04B 112

Patent

active

051812258

ABSTRACT:
In a receiver (3 ) for a DSSS signal (DSSS=direct sequence spread spectrum), an inverse filter (12) is utilized in place of a matched filter for detecting the symbols (B.sub.m). The inverse filter (12) is distinguished in that it responds to the predetermined pulse sequence as such with a pure Kronecker delta sequence. Preferably, the DSSS signal is generated with a pulse sequence realizing a maximum process gain.

REFERENCES:
patent: 3792356 (1974-02-01), Kobayashi et al.
patent: 4315319 (1982-02-01), White
patent: 4458328 (1984-07-01), Kino et al.
patent: 4519084 (1985-05-01), Langseth
"Principles of Communication Systems", W. Taub, D. L. Schilling, McGraw Hill, Singapore 1986, pp. 720-727, Chapter Seventeen, `Spread Spectrum Modulation`.
IEEE Communications Magazine, May 1979, pp. 11-18, "Spread Spectrum Communications-Myths and Realities", A. J. Viterbi.
Dissertation by Jurg Ruprecht, Diss. ETH No. 8789, Swiss Federal Institute of Technology, Zurich, Switzerland, 1989, Hartung-Gorre Publishers, "Maximum-Likelihood Estimation of Multipath Channels".

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