On the design of pre-equalized square-root raised cosine matched filters for DSP based digital receivers

Author

Harris, Fred

Author_Institution

Dept. of Electr. Eng., San Diego State Univ., CA, USA

fYear

1993

fDate

1-3 Nov 1993

Firstpage

1291

Abstract

A matched filter implemented in a DSP based modem is followed or preceded by additional analog filtering. The non-uniform gain and phase of these analog filters cause filter mismatch and leads to undesired intersymbol interference. This paper describes a technique to design digital matched filters which includes the spectral gain and phase compensation required to equalize the known characteristics of the analog filters in the transmitter and receiver paths

Keywords

compensation; digital communication systems; digital filters; interference suppression; intersymbol interference; matched filters; modems; DSP based digital receivers; DSP based modem; ISI reduction; design method; intersymbol interference; phase compensation; pre-equalized filters; spectral gain compensation; square-root raised cosine matched filters; AWGN; Additive white noise; Digital filters; Digital signal processing; Filtering; Finite impulse response filter; Intersymbol interference; Low pass filters; Matched filters; Modems; Pulse shaping methods; Transmitters;

fLanguage

English

Publisher

ieee

Conference_Titel

Signals, Systems and Computers, 1993. 1993 Conference Record of The Twenty-Seventh Asilomar Conference on

Conference_Location

Pacific Grove, CA

ISSN

1058-6393

Print_ISBN

0-8186-4120-7

Type

conf

DOI

10.1109/ACSSC.1993.342327

Filename

342327