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Summary: This paper studies the implementation of Integrated Sensing and Communication (ISAC) in a monostatic setup. It proposes a full-duplex ISAC scheme that can increase communication rate and mitigate sensing issues. The scheme preserves classic radar waveform for sensing and exhibits better performance.
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(2022)
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Summary: This paper studies the design of a dual-functional radar-communication (DFRC) system, focusing on the joint beamforming design for radar and communication. The paper formulates optimization problems for both radar-centric and communication-centric scenarios, and proposes low-complexity beamforming designs. Simulation results validate the effectiveness of the proposed designs.
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Dongfang Xu et al.
Summary: This paper investigates the robust resource allocation design for secure communication in an integrated sensing and communication (ISAC) system. It proposes a novel optimization framework that jointly optimizes the communication and sensing resources over a sequence of snapshots, and uses artificial noise (AN) for joint sensing and physical layer security provisioning. The resource allocation algorithm design is formulated as a non-convex optimization problem and a block coordinate descent-based iterative algorithm is developed for an efficient suboptimal solution. Simulation results show that the proposed scheme significantly enhances the physical layer security of ISAC systems compared to baseline schemes.
IEEE TRANSACTIONS ON COMMUNICATIONS
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Summary: JCAS technology is an emerging technology for efficiently managing the RF spectrum, expected to play a key role in 5G networks. Optimization of OFDM waveforms allows for a trade-off between radar and communication functionalities, with solutions found through analysis and algorithms. Numerical evaluations in 5G NR networks show a trade-off between lower bound minimization, along with analysis of main-lobe width, PSL, and performance gains.
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Article
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Summary: The use of JCAS systems in efficiently utilizing the scarce RF spectrum is of interest, with challenges in integrating communication and sensing/radar systems. Full duplex operation and beamforming techniques are key enablers, addressing performance optimization and self-interference suppression.
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(2021)
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Ian P. Roberts et al.
Summary: Equipping millimeter-wave systems with full duplex capability could accelerate and transform next-generation wireless applications. However, there are challenges and unknown factors that need further investigation in order to make full duplex mmWave a reality.
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(2021)
Proceedings Paper
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Sahan Damith Liyanaarachchi et al.
Summary: Performing joint communication and sensing in MIMO systems is crucial for efficiently utilizing spectrum and improving communication capacity. By optimizing transmit and receive beamforming, it is possible to separate communication users and radar targets effectively.
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Summary: This paper proposes a Pareto optimization framework for a multi-antenna DFRC system that aims to balance communication and radar sensing functionalities. By defining an achievable performance region and formulating a fairness-profile optimization problem, a bisection search algorithm is provided to solve the Pareto optimization problem. The effectiveness of the proposed design and the impact of hardware impairments are evaluated through numerical simulations.
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Ashutosh Sabharwal et al.
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(2014)
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Hyungsik Ju et al.
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