Flexible frequency-band reallocation networks using variable oversampled complex-modulated filter banks

Authors:
Håkan Johansson;Per Löwenborg
Affiliations:
Electronics Systems, Department of Electrical Engineering, Linköping University, Linköping, Sweden;Electronics Systems, Department of Electrical Engineering, Linköping University, Linköping, Sweden
Venue:
EURASIP Journal on Applied Signal Processing
Year:
2007

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Abstract

A crucial issue in the next-generation satellite-based communication systems is the satellite on-board reallocation of information which requires digital flexible frequency-band reallocation (FBR) networks. This paper introduces a new class of flexible FBR networks based on variable oversampled complex-modulated filter banks (FBs). The new class can outperformthe previously existing ones when all the aspects flexibility, low complexity and inherent parallelism, near-perfect frequency-band reallocation, and simplicity are considered simultaneously.