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Article Dans Une Revue Electronics Letters Année : 2004

Analogue 16-QAM demodulator

Fabrice Seguin
Cyril Lahuec
Jérôme Lebert
  • Fonction : Auteur
Matthieu Arzel
Michel Jezequel

Résumé

The proposed circuit demodulates 16-QAM I/Q signals over a Gaussian channel INTO data_ds.tmp_pub_log-likelihood ratios (LLRs). The input signals are converted using differential pairs INTO data_ds.tmp_pub_currents which are suitably added/subtracted to produce the values of the LLRs. These data can then be used as input by soft-input/soft-output channel decoders, either digital or analogue, such as turbo decoders. The circuit is designed for a 0.25um BiCMOS process. Transistor level simulations validate the correct functioning of the circuit.
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Dates et versions

hal-01807307 , version 1 (13-06-2018)

Identifiants

Citer

Fabrice Seguin, Cyril Lahuec, Jérôme Lebert, Matthieu Arzel, Michel Jezequel. Analogue 16-QAM demodulator. Electronics Letters, 2004, 40 (18), pp.1138 - 1139. ⟨10.1049/el:20046146⟩. ⟨hal-01807307⟩
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