Fresnedo, ÓscarVázquez Araújo, Francisco JavierCastedo, LuisGarcia-Frias, Javier2024-02-192024-02-192016Fresnedo, O., Vazquez-Araujo, F. J., Castedo, L., and Garcia-Frias, J. (2016) Analogue joint source-channel coding for multiple input multiple output–orthogonal frequency division multiplexing systems. Trans. Emerging Tel. Tech., 27: 408–419. doi: 10.1002/ett.2908.2161-3915http://hdl.handle.net/2183/35667This is the peer reviewed version of the following article: Fresnedo, O., Vazquez-Araujo, F. J., Castedo, L., and Garcia-Frias, J. (2016) Analogue joint source-channel coding for multiple input multiple output–orthogonal frequency division multiplexing systems. Trans. Emerging Tel. Tech., 27: 408–419, which has been published in final form at https://doi.org/10.1002/ett.2908. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.[Abstract]: Analogue joint source-channel coding (JSCC) has been shown to approach the optimal distortion-cost trade-off when transmitting over additive white Gaussian noise channels. In this work, we consider analogue JSCC over frequency-selective channels using orthogonal frequency division multiplexing (OFDM) modulation and multiple antennas at transmission and/or reception, that is, using a multiple input multiple output(MIMO)-OFDM system. Because of its high complexity, optimal Minimum Mean Square Error (MMSE) analogue JSCC decoding is infeasible in MIMO-OFDM systems and a practical two-stage decoding approach made up of an MMSE estimator followed by a maximum likelihood decoder is proposed instead. Three different alternatives for system optimisation are considered: non-adaptive coding, adaptive coding and adaptive coding with precoding. We show that the three considered strategies approach the optimal distortion-cost trade-off, but the best performance is obtained with the adaptive coding scheme when precoding is utilised.engTodos os dereitos reservados. All rights reserved.Analog joint source channel codingOrthogonal frequency division multiplexingOFDMMMSEMIMOEstimationjournal articleopen access10.1002/ett.2908