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Communication Dans Un Congrès Année : 2012

Non Data Aided Parameter Estimation for Multi-User ARGOS Receivers

Résumé

In this paper, parameter estimators are analyzed in the context of Successive Interference Cancelation (SIC) receivers for the ARGOS system. A Non Data Aided (NDA) feed forward estimator is proposed for the amplitude and the carrier phase parameters. Time delays are assumed to be known. A Window Accumulator (WA) is used to reduce the influence of the additive noise. In the presence of frequency offset, the window length L cannot be chosen arbitrarily large but an optimal length Lopt can be determined. However, because the estimator induces a different optimal length for each parameter, a trade-off must be made. We show that a window length of around 35 samples induces mean square errors (MSEs) lower than 0.012 for both parameters. The MSE of the proposed estimator is also compared to the Modified Cram´er Rao Bound (MCRB).
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Dates et versions

hal-04023841 , version 1 (10-03-2023)

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Citer

Fares Fares, Benoît Escrig, Marie-Laure Boucheret, Thibaud Calmettes, Hervé Guillon. Non Data Aided Parameter Estimation for Multi-User ARGOS Receivers. Wireless Telecommunications Symposium (WTS 2012), Apr 2012, Londres, United Kingdom. pp.1-5, ⟨10.1109/WTS.2012.6266096⟩. ⟨hal-04023841⟩
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