Autoencoder-based Optimization of Multi-user Molecule Mixture Communication Systems
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arXiv
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| Main Authors: | , , , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866908909802881024 |
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| author | Heinlein, Bastian Jiménez, Nuria Zurita Zhu, Kaikai Carkit-Yilmaz, Sümeyye Schober, Robert Jamali, Vahid Schäfer, Maximilian |
| author_facet | Heinlein, Bastian Jiménez, Nuria Zurita Zhu, Kaikai Carkit-Yilmaz, Sümeyye Schober, Robert Jamali, Vahid Schäfer, Maximilian |
| contents | In this paper, we introduce an autoencoder (AE)-based scheme for end-to-end optimization of a multi-user molecule mixture communication system. In the proposed scheme, each transmitter leverages an encoder network that maps the user symbol to a molecule mixture. The mixtures then propagate through the channel to the receiver, which samples the channel using a non-linear, cross-reactive sensor array. A decoder network then estimates the symbol transmitted by each user based on the sensor observations. The proposed scheme achieves, for a given signal-to-noise ratio, lower symbol error rates than a baseline scheme from the literature in a single-user setting with full channel state information. We additionally demonstrate that the proposed AE-based scheme allows reliable communication when the channel is unknown or changing. Finally, we show that for multiple access the system can account for different user priorities. In summary, the proposed AE-based scheme enables end-to-end system optimization in complex scenarios unsuitable for analytical treatment and thereby brings molecular communication systems closer to real-world deployment. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2603_23262 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Autoencoder-based Optimization of Multi-user Molecule Mixture Communication Systems Heinlein, Bastian Jiménez, Nuria Zurita Zhu, Kaikai Carkit-Yilmaz, Sümeyye Schober, Robert Jamali, Vahid Schäfer, Maximilian Information Theory Emerging Technologies Signal Processing In this paper, we introduce an autoencoder (AE)-based scheme for end-to-end optimization of a multi-user molecule mixture communication system. In the proposed scheme, each transmitter leverages an encoder network that maps the user symbol to a molecule mixture. The mixtures then propagate through the channel to the receiver, which samples the channel using a non-linear, cross-reactive sensor array. A decoder network then estimates the symbol transmitted by each user based on the sensor observations. The proposed scheme achieves, for a given signal-to-noise ratio, lower symbol error rates than a baseline scheme from the literature in a single-user setting with full channel state information. We additionally demonstrate that the proposed AE-based scheme allows reliable communication when the channel is unknown or changing. Finally, we show that for multiple access the system can account for different user priorities. In summary, the proposed AE-based scheme enables end-to-end system optimization in complex scenarios unsuitable for analytical treatment and thereby brings molecular communication systems closer to real-world deployment. |
| title | Autoencoder-based Optimization of Multi-user Molecule Mixture Communication Systems |
| topic | Information Theory Emerging Technologies Signal Processing |
| url | https://arxiv.org/abs/2603.23262 |