Transmultiplexing of multidimensional signals over arbitrary lattices with perfect reconstruction

Author

Coulombe, Sté Phane ; Dubois, Eric

Author_Institution

INRS-Telecommun., Quebec Univ., Verdun, Que., Canada

Volume

4

fYear

1995

fDate

9-12 May 1995

Firstpage

2137

Abstract

This research addresses the frequency multiplexing of multidimensional signals, having different bandwidths or defined on different lattices, with perfect or near perfect reconstruction i.e. zero or low crosstalk between signals and zero or low distortion of individual signals. The paper discusses important issues such as: what are the valid modulating frequencies, how to manage quadrature modulation, what are the conditions for perfect reconstruction, how many signals can be transmitted perfectly, when and why linear periodically time-varying (LPTV) filters must be used in the system, structure of filters to preserve compatibility with conventional frequency multiplexers and design procedures

Keywords

crosstalk; filtering theory; quadrature amplitude modulation; signal reconstruction; time-varying filters; transmultiplexing; TV systems; arbitrary lattices; bandwidths; design procedures; frequency multiplexers; frequency multiplexing; linear periodically time-varying filters; low crosstalk; low distortion; modulating frequencies; multidimensional signals; perfect reconstruction; quadrature modulation; signal reconstruction; transmultiplexing; zero crosstalk; zero distortion; Bandwidth; Chirp modulation; Crosstalk; Distortion; Frequency division multiplexing; Frequency modulation; Lattices; Multidimensional systems; Nonlinear filters; Time varying systems;

fLanguage

English

Publisher

ieee

Conference_Titel

Acoustics, Speech, and Signal Processing, 1995. ICASSP-95., 1995 International Conference on

Conference_Location

Detroit, MI

ISSN

1520-6149

Print_ISBN

0-7803-2431-5

Type

conf

DOI

10.1109/ICASSP.1995.479897

Filename

479897