Rate-splitting multiple access for multi-antenna joint radar and communications

C Xu, B Clerckx, S Chen, Y Mao… - IEEE Journal of Selected …, 2021 - ieeexplore.ieee.org
Dual-Functional Radar-Communication (DFRC) is a promising paradigm to achieve
Integrated Sensing and Communication (ISAC) in beyond 5G. In parallel, Rate-Splitting
Multiple Access (RSMA), relying on multi-antenna Rate-Splitting (RS) by splitting messages
into common and private streams at the transmitter and Successive Interference
Cancellation (SIC) at the receivers, has emerged as a new strategy for multi-user multi-
antenna communications systems. In this paper, we show that RSMA can be used as a …

Rate-splitting multiple access for multi-antenna joint radar and communications with partial CSIT: Precoder optimization and link-level simulations

RC Loli, O Dizdar, B Clerckx - arXiv preprint arXiv:2201.10621, 2022 - arxiv.org
Dual-Functional Radar-Communication (DFRC) systems have been investigated to manage
the inter-system interference between radar and communication systems. However, the
studies in literature often assume that the DFRC possesses perfect Channel State
Information at the Transmitter (CSIT), which is an unrealistic assumption due to the
inevitable CSIT errors in practical deployments. In this work, we aim to design a DFRC
system under the practical assumption of partial CSIT. To achieve this, the proposed DFRC …
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