Comparison of time and frequency domain interpolation implementations for MB-OFDM UWB transmitters

Eleni Fotopoulou, Dorina Thanou, Thanos Stouraitis

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper investigates the effect of time-domain (TD) and frequency-domain (FD) interpolation on the performance of a Multi-Band (MB) Orthogonal Frequency Division Multiplexing (OFDM) Ultra-Wideband (UWB) system. We introduce a FD interpolator implemented by a radix-8 512-point IFFT architecture for applications on MB-OFDM UWB transmitters. For the specific application where the interpolation factor is fixed to four, the FD interpolator outperforms the TD interpolator implemented with digital low-pass FIR filters in terms of computational complexity. On the other hand simulation results show that FD implementation degrades the overall system performance for certain UWB channels.

Original languageBritish English
Title of host publicationISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems
Subtitle of host publicationNano-Bio Circuit Fabrics and Systems
Pages2143-2146
Number of pages4
DOIs
StatePublished - 2010
Event2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010 - Paris, France
Duration: 30 May 20102 Jun 2010

Publication series

NameISCAS 2010 - 2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems

Conference

Conference2010 IEEE International Symposium on Circuits and Systems: Nano-Bio Circuit Fabrics and Systems, ISCAS 2010
Country/TerritoryFrance
CityParis
Period30/05/102/06/10

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