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Performance of equalization techniques in a radio interference environment

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2 Author(s)
Niger, P. ; Societe Anonyme des Telecommun., Lannion, France ; Vandamme, P.

The performance of equalization techniques for digital radio systems in the presence of sinusoidal and modulated interference signals is investigated. Linear and nonlinear equalizers, as well as synchronous and T/2-spaced structures, are considered. It is shown that synchronous decision-feedback equalizers are powerful countermeasure devices for radio channels affected by both selective fading and sinusoidal interferers, and that both T/2-spaced linear and nonlinear equalizers can provide a significant improvement of the adjacent channel interference margin, whether the channel is selective or not, especially in the case of multicarrier interleaved frequency arrangements

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Communications, IEEE Transactions on  (Volume:39 ,  Issue: 3 )