Article Dans Une Revue IEEE Journal on Selected Areas in Information Theory Année : 2023

An Information-Theoretic Approach to Collaborative Integrated Sensing and Communication for Two-Transmitter Systems

Résumé

This paper considers information-theoretic models for integrated sensing and communication (ISAC) over multi-access channels (MAC) and device-to-device (D2D) communication. The models are general and include as special cases scenarios with and without perfect or imperfect state-information at the MAC receiver as well as causal state-information at the D2D terminals. For both setups, we propose collaborative sensing ISAC schemes where terminals not only convey data to the other terminals but also state-information that they extract from their previous observations. This state-information can be exploited at the other terminals to improve their sensing performances. Indeed, as we show through examples, our schemes improve over previous non-collaborative schemes in terms of their achievable rate-distortion tradeoffs. For D2D we propose two schemes, one where compression of state information is separated from channel coding and one where it is integrated via a hybrid coding approach
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Dates et versions

hal-04240067 , version 1 (10-01-2025)

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Mehrasa Ahmadipour, Michèle Wigger. An Information-Theoretic Approach to Collaborative Integrated Sensing and Communication for Two-Transmitter Systems. IEEE Journal on Selected Areas in Information Theory, 2023, 4, pp.112-127. ⟨10.1109/JSAIT.2023.3286932⟩. ⟨hal-04240067⟩
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