Non-local network coding in interference channels

Jiyoung Yun; Ashutosh Rai; Joonwoo Bae

doi:10.1117/12.2595012

1 August 2021 Non-local network coding in interference channels

Jiyoung Yun, Ashutosh Rai, Joonwoo Bae

Proceedings Volume 11835, Quantum Communications and Quantum Imaging XIX; 118350M (2021) https://doi.org/10.1117/12.2595012
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Network information theory establishes communication protocols among multiple senders and multiple receivers in the presence of correlations introduce noise over a network. We here present a framework of non-local network coding of multiple senders whereby network communication capacities improve over their classical counterparts. The framework exploits a Bell scenario and shows the usefulness of non-local and quantum resources in network information theory. Two-sender and two-receiver interference channels are considered in particular, for which network coding is characterized by two-input and four-outcome Bell scenarios. Resources for the network coding are classified It is shown that non-signaling (quantum) correlations lead to strictly higher channel capacities in general than quantum (local) correlations. It is also shown that, however, more non-locality does not necessarily imply a higher channel capacity. The framework can be generally applied to network communication protocols.

Conference Presentation

Citation Download Citation

Jiyoung Yun, Ashutosh Rai, and Joonwoo Bae "Non-local network coding in interference channels", Proc. SPIE 11835, Quantum Communications and Quantum Imaging XIX, 118350M (1 August 2021); https://doi.org/10.1117/12.2595012

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