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A Reconfigurable Narrow-Band MB-OFDM UWB Receiver Architecture

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3 Author(s)
Manstretta, D. ; Univ. degli Studi di Pavia, Pavia ; Laurenti, N. ; Castello, R.

This paper presents an analysis on the receiver front-end architectures for multiband orthogonal frequency-division multiplexing ultra-wide-band (UWB) terminals. An interference analysis is carried out in order to derive the main linearity specifications of the receiver front-end. A reconfigurable narrow-band architecture is introduced that can best cope with the main challenges of the UWB receivers: broadband impedance matching and high out-of-band linearity. Simulation results show that linearity requirements can be achieved with sizeable margin.

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Circuits and Systems II: Express Briefs, IEEE Transactions on  (Volume:55 ,  Issue: 4 )