Distributed Indirect Source Coding with Decoder Side Information
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866911884654936064 |
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| author | Tang, Jiancheng Yang, Qianqian Gündüz, Deniz |
| author_facet | Tang, Jiancheng Yang, Qianqian Gündüz, Deniz |
| contents | This paper studies a variant of the rate-distortion problem motivated by task-oriented semantic communication and distributed learning problems, where $M$ correlated sources are independently encoded for a central decoder. The decoder has access to a correlated side information in addition to the messages received from the encoders, and aims to recover a latent random variable correlated with the sources observed by the encoders within a given distortion constraint rather than recovering the sources themselves. We provide bounds on the rate-distortion region for this scenario in general, and characterize the rate-distortion function exactly when the sources are conditionally independent given the side information. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_13483 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Distributed Indirect Source Coding with Decoder Side Information Tang, Jiancheng Yang, Qianqian Gündüz, Deniz Information Theory This paper studies a variant of the rate-distortion problem motivated by task-oriented semantic communication and distributed learning problems, where $M$ correlated sources are independently encoded for a central decoder. The decoder has access to a correlated side information in addition to the messages received from the encoders, and aims to recover a latent random variable correlated with the sources observed by the encoders within a given distortion constraint rather than recovering the sources themselves. We provide bounds on the rate-distortion region for this scenario in general, and characterize the rate-distortion function exactly when the sources are conditionally independent given the side information. |
| title | Distributed Indirect Source Coding with Decoder Side Information |
| topic | Information Theory |
| url | https://arxiv.org/abs/2405.13483 |