Paper Info
Title
Efficient Implementation of Complex Modulated Filter Banks Using Cosine and Sine Modulated Filter Banks
Abstract
The recently introduced exponentially modulated filter bank (EMFB) is a Open image in new window -channel uniform, orthogonal, critically sampled, and frequency-selective complex modulated filter bank that satisfies the perfect reconstruction (PR) property if the prototype filter of an Open image in new window -channel PR cosine modulated filter bank (CMFB) is used. The purpose of this paper is to present various implementation structures for the EMFBs in a unified framework. The key idea is to use cosine and sine modulated filter banks as building blocks and, therefore, polyphase, lattice, and extended lapped transform (ELT) type of implementation solutions are studied. The ELT-based EMFBs are observed to be very competitive with the existing modified discrete Fourier transform filter banks (MDFT-FBs) when comparing the number of multiplications/additions and the structural simplicity. In addition, EMFB provides an alternative channel stacking arrangement that could be more natural in certain subband processing applications and data transmission systems.
Year
DOI
Venue
2006
10.1155/ASP/2006/58564
EURASIP J. Adv. Sig. Proc.
Keywords
Field
DocType
filter bank
Computer science,Filter bank,Artificial intelligence,Computer vision,Raised-cosine filter,Root-raised-cosine filter,Lapped transform,Prototype filter,Algorithm,Speech recognition,Kernel adaptive filter,Voltage-controlled filter,Filter design
Journal
Volume
Issue
ISSN
2006
1
1687-6180
Citations 
PageRank 
References 
15
1.39
11
Authors
3
Name
Order
Citations
PageRank
Ari Viholainen114512.23
Juuso Alhava2638.31
Markku Renfors31173156.77