ICASSP 2006 - May 15-19, 2006 - Toulouse, France

Technical Program

Paper Detail

Paper:SPCOM-P10.2
Session:Multi-Carrier Systems
Time:Thursday, May 18, 16:30 - 18:30
Presentation: Poster
Topic: Signal Processing for Communication: Multi-carrier, OFDM, and DMT communication
Title: Time Domain and Frequency Domain Implementations of FMT Modulation Architectures
Authors: Andrea Tonello, University of Udine, Italy
Abstract: This paper deals with the design and implementation of a Filtered Multitone (FMT) modulation system. FMT generalizes the popular OFDM scheme through the deployment of sub-channel shaping filters. We address the implementation problem and we describe (and compare in terms of complexity) two efficient implementation methods in the time domain (TD) and another one in the frequency domain (FD). We consider the design of the prototype pulse and we propose to synthesize it in the FD with a small number of frequency components. This allows to efficiently implement the FMT scheme through the FD architecture. A simple FD equalization scheme is also proposed and its performance is evaluated in typical wireless fading channels. The results show that FMT performs better than OFDM with and without channel coding.



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