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On the Compensation of RF Impairments with Multiple Antennas in SIMO OFDM systems

Pierre-François Morlat 1 Jose-Cruz Nunez-Perez 2 Guillaume Villemaud 1 Jacques Verdier 3 Jean-Marie Gorce 1 
1 ARES - Architectures of networks of services
Inria Grenoble - Rhône-Alpes, CITI - CITI Centre of Innovation in Telecommunications and Integration of services
2 INL - DE - INL - Dispositifs Electroniques
INL - Institut des Nanotechnologies de Lyon
3 INL - CSH - INL - Conception de Systèmes Hétérogènes
INL - Institut des Nanotechnologies de Lyon
Abstract : This paper provides an analysis of the impact of radio frequency (RF) front end impairments (I/Q gain and phase imbalance, phase noise, non-linear distortion and direct current offset) on the performance of a single input multiple output orthogonal frequency division multiplexing (SIMO OFDM) receiver. We developed a new estimation/compensation scheme to jointly compensate for the effect of multipath and RF nonidealities on baseband signals in the special case of Zero-IF receivers. Some first results illustrating this approach are presented for a 4 antenna 802.11g receiver with the SMI algorithm and with or without IQ imbalance, as well as BER curves for different phase noise models.
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Submitted on : Friday, November 27, 2009 - 2:50:36 PM
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Pierre-François Morlat, Jose-Cruz Nunez-Perez, Guillaume Villemaud, Jacques Verdier, Jean-Marie Gorce. On the Compensation of RF Impairments with Multiple Antennas in SIMO OFDM systems. VTC Fall, IEEE, Sep 2006, Montréal, Canada. ⟨10.1109/VTCF.2006.109⟩. ⟨inria-00436695⟩



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