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Effects of bandpass sigma-delta modulation on OFDM signals

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2 Author(s)
de Mateo Garcia, J.C. ; Dept. of Commun. Technol., Univ. Carlos III de Madrid, Spain ; Armada, A.G.

This paper presents a behavioural analysis of bandpass OFDM signals sampled and quantized by means of a sigma-delta A/D architecture. It describes the direct effects of sigma-delta modulation on OFDM signals with a variable number of subcarriers by measuring bit-error-rate degradations. Due to the Gaussian characteristic of OFDM signals, the study has been approached from a statistical point of view

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Consumer Electronics, IEEE Transactions on  (Volume:45 ,  Issue: 2 )