DocumentCode
1090631
Title
Filter banks with rational decimation and interpolation rates
Author
Yim, W.H. ; Coakley, F.P.
Author_Institution
Surrey Univ., Guildford, UK
Volume
28
Issue
8
fYear
1992
fDate
4/9/1992 12:00:00 AM
Firstpage
726
Lastpage
727
Abstract
All existing uniform filter banks have integer decimation or interpolation rates. The article presents a novel polyphase-matrix-FFT structure that is capable of a rational conversion rate. This structure can combine sampling rate conversion and demultiplexing in multicarrier demodulators leading to a significant reduction in computation rates, especially for clock-synchronous systems.
Keywords
demodulators; fast Fourier transforms; filters; frequency division multiplexing; clock-synchronous systems; computation rates; demultiplexing; interpolation rates; multicarrier demodulators; polyphase-matrix-FFT structure; rational conversion rate; rational decimation; sampling rate conversion; uniform filter banks;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:19920460
Filename
133099
Link To Document