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Sensing-Centric ISAC Signal Processing

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Integrated Sensing and Communications

Abstract

We present sensing-centric integrated sensing and communications strategies and signal processing techniques where the radar and communication operations are respectively considered as the primary and the secondary objectives of the overall system. In this context, optimized beamforming-based joint radar-communications (JRC) is described that exploits the same physical platform and transmits waveforms to satisfy both radar and communication objectives. We overview JRC signaling strategies based on amplitude, phase, and their combinations. Waveform design strategies, such as waveform diversity, waveform permutation, and frequency hopping, are exploited in JRC systems to increase communication capacity without compromising radar system performance. Finally, we discuss advanced topics of resource optimization and fast-time information embedding for the JRC systems. Simulation results are presented that demonstrate the efficacy of the techniques discussed in this chapter.

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Author information

Authors and Affiliations

  1. Advanced Safety and User Experience, Aptiv, Agoura Hills, CA, 91301, USA

    Ammar Ahmed

  2. School of Electrical and Telecommunications Engineering, University of New South Wales, Sydney, NSW, 2052, Australia

    Elias Aboutanios

  3. Department of Electrical and Computer Engineering, Temple University, Philadelphia, PA, 19122, USA

    Yimin D. Zhang

Authors
  1. Ammar Ahmed
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  2. Elias Aboutanios
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  3. Yimin D. Zhang
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Corresponding author

Correspondence to Yimin D. Zhang .

Editor information

Editors and Affiliations

  1. Department of Electronic and Electrical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, China

    Fan Liu

  2. Department of Electronic and Electrical Engineering, University College London, London, UK

    Christos Masouros

  3. Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel

    Yonina C. Eldar

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Ahmed, A., Aboutanios, E., Zhang, Y.D. (2023). Sensing-Centric ISAC Signal Processing. In: Liu, F., Masouros, C., Eldar, Y.C. (eds) Integrated Sensing and Communications. Springer, Singapore. https://doi.org/10.1007/978-981-99-2501-8_7

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  • DOI: https://doi.org/10.1007/978-981-99-2501-8_7

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