Multirate systems and filter banks
Multirate systems and filter banks
Low-power design of decimation filters for a digital IF receiver
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special section on low-power electronics and design
Efficient wideband channelizer for software radio systems using modulated PR filterbanks
IEEE Transactions on Signal Processing - Part I
Application of filter sharpening to cascaded integrator-combdecimation filters
IEEE Transactions on Signal Processing
Efficient sample rate conversion for software radio systems
IEEE Transactions on Signal Processing
Digital IF filter technology for 3G systems: an introduction
IEEE Communications Magazine
Sample rate conversion for software radio
IEEE Communications Magazine
A PC-based software receiver using a novel front-end technology
IEEE Communications Magazine
IEEE Journal on Selected Areas in Communications
Software radio issues in cellular base stations
IEEE Journal on Selected Areas in Communications
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In the context of sample rate conversion (SRC) filter design; this paper makes two key contributions. Firstly, a practical factorization algorithm has been formulated that iteratively assigns rate change factors to filtering stages of a proposed multi-standard SRC architecture. This multi-stage architecture is composed of multiplexed CIC filters, Farrow interpolators and half-band filters. Secondly, a novel frequency domain technique for joint CIC compensation filter and Farrow interpolator design has been proposed. Based on these contributions; a programmable and computationally efficient SRC filter design scheme with utilization in the digital IF stage of a software radio has been derived. The proposed ideas are explained using design examples and simulation results with parameters corresponding to various commercial wireless communications standards including GSM, IS-95, UMTS and the emerging WiMax IEEE 802.16 standard.