A reconfigurable multi-standard channelizer using QMF trees for software radio receivers

The flexibility of a software-defined radio (SRR) depends on its capability to operate in multi-standard wireless communication environments. The most computationally intensive part of wideband receivers is the channelizer, which extracts multiple narrowband signals from adjacent frequency hands. In...

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Hauptverfasser:	Vinod, A.P., Lai, E.M.-K., Premkumar, A.B., Lau, C.T.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Communication standards Filter bank Frequency GSM Narrowband Receivers Reconfigurable architectures Software radio Wideband Wireless communication
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creator	Vinod, A.P. Lai, E.M.-K. Premkumar, A.B. Lau, C.T.
description	The flexibility of a software-defined radio (SRR) depends on its capability to operate in multi-standard wireless communication environments. The most computationally intensive part of wideband receivers is the channelizer, which extracts multiple narrowband signals from adjacent frequency hands. In an SDR receiver, the compatibility of the channelizer with different communication standards is guaranteed by its reconfigurability. This paper presents an efficient channelizer that has a reconfigurable architecture based on quadrature mirror filter bank (QMF) trees. We show that the channelizer can he efficiently implemented using common subexpression based filter structures. An example of dual-mode global system for mobile communication (GSM)/personal digital cellular (PDC) channelizer is discussed to illustrate the proposed design methodology.
doi_str_mv	10.1109/PIMRC.2003.1264244
format	Conference Proceeding
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subjects	Communication standards Filter bank Frequency GSM Narrowband Receivers Reconfigurable architectures Software radio Wideband Wireless communication
title	A reconfigurable multi-standard channelizer using QMF trees for software radio receivers
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