We derive a novel Bayesian algorithm for multiuser detection in the uplink of a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system employing stacked space-time block codes, such as the stacked Alamouti code with two transmit antennas, and a stacked quasi-orthogonal code with four transmit antennas. The proposed technique accomplishes joint estimation of the carrier frequency offset, phase noise, channel impulse response and data of each active user. Its derivation relies on the specific structure of the transmitted signal and on efficient Markov chain Monte Carlo (MCMC) methods. Simulation results evidence the robustness of the proposed algorithm in both uncoded and coded systems.

A Bayesian Multiuser Detection Algorithm for MIMO-OFDM Systems Affected by Multipath Fading, Carrier Frequency Offset, and Phase Noise / F., ZUCCARDI MERLI; Xiaodong, Wang; Vitetta, Giorgio Matteo. - In: IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS. - ISSN 0733-8716. - STAMPA. - 26:3(2008), pp. 506-516. [10.1109/JSAC.2008.080409]

A Bayesian Multiuser Detection Algorithm for MIMO-OFDM Systems Affected by Multipath Fading, Carrier Frequency Offset, and Phase Noise

VITETTA, Giorgio Matteo
2008

Abstract

We derive a novel Bayesian algorithm for multiuser detection in the uplink of a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) system employing stacked space-time block codes, such as the stacked Alamouti code with two transmit antennas, and a stacked quasi-orthogonal code with four transmit antennas. The proposed technique accomplishes joint estimation of the carrier frequency offset, phase noise, channel impulse response and data of each active user. Its derivation relies on the specific structure of the transmitted signal and on efficient Markov chain Monte Carlo (MCMC) methods. Simulation results evidence the robustness of the proposed algorithm in both uncoded and coded systems.
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A Bayesian Multiuser Detection Algorithm for MIMO-OFDM Systems Affected by Multipath Fading, Carrier Frequency Offset, and Phase Noise / F., ZUCCARDI MERLI; Xiaodong, Wang; Vitetta, Giorgio Matteo. - In: IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS. - ISSN 0733-8716. - STAMPA. - 26:3(2008), pp. 506-516. [10.1109/JSAC.2008.080409]
F., ZUCCARDI MERLI; Xiaodong, Wang; Vitetta, Giorgio Matteo
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/608986
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