RT Journal Article
T1 Effect of multipath and antenna diversity in MIMO-OFDM systems with imperfect channel estimation and phase noise compensation
A1 Corvaja, Roberto
A1 García-Armada, Ana
AB The effect of phase noise in multiple-input–multiple-output systems employing orthogonal frequency division multiplexing is analyzed in a realistic scenario where channel estimation is not perfect, and the phase noise effects are only partially compensated. In particular, the degradation in terms of SNR is derived and the effects of the receiver and channel parameters are considered, showing that the penalty is different for different receiver schemes. Moreover it depends on the channel characteristics and on the channel estimation error. An analytical expression is used to evaluate the residual inter-channel interference variance and therefore the degradation. The effects of multipath and antenna diversity are shown to be different for the two types of linear receivers considered, the zero-forcing scheme and the minimum mean squared error receiver.
PB Elsevier
SN 1874-4907
YR 2008
FD 2008-12
LK https://hdl.handle.net/10016/14253
UL https://hdl.handle.net/10016/14253
LA eng
NO This work has been partly funded by projects “MACAWI” TEC2005-07477-C02-02 and “MULTI-ADAPTIVE” TEC2008-06327-C03-02.
DS e-Archivo
RD 3 may. 2024