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Cited by 24Radar Systems and Signal ProcessingRadio Frequency Integrated Circuit DesignAntenna Design and Analysis

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Joint Communication and Radar Sensing: RF Hardware Opportunities and Challenges—A Circuits and Systems Perspective

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Sen, Padmanava, Harutyunyan, Armen, Umar, Muhammad, Kamal, Shahanawaz·2023·Sensors
DOI 10.3390/s23187673PMC PMC10537380
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Abstract

This paper focuses on the topic of joint communication and radar sensing (JCRS) and its applications in the scope of upcoming sixth-generation (6G) technology. While the fifth-generation applications have reached the consumer market in the last few years, JCRS has been identified as one of the key technologies for next generation networks. The role of JCRS will vary, ranging from tasks such as radar coordination, context awareness for communication, enhanced security, increased availability, and improving the resilience and trustworthiness of future networks. In this work, the niche of JCRS technology in the future 6G ecosystem, as well as several potential applications, are discussed with a focus on RF hardware. The use of centimeter (cmWave) and millimeter (mmWave) frequency spectrums in the context of JCRS system implementation have been further elaborated. After presenting the near-term application scenarios, the circuit implementation perspectives are investigated in terms of radio frequency (RF) front-end architectures, antenna implementation, and phased arrays. Different communication and radar antenna options are compared, and the best candidates are identified. The packaging options are also presented. From circuit and system perspectives, link budget and self-interference cancellation (SIC) are highlighted. Furthermore, future directions including the next steps on the path to enabling JCRS technology are presented throughout this article. Prior works focused more on physical layers and network capabilities of JCRS systems, with less focus on hardware possibilities; to fill this gap, this article aims to contribute to this exciting research topic with a holistic review of RF hardware, highlighting the diversity of applications and the available technologies to tackle the near- and long-term needs of consumer applications.

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  • Incorporating flexible and reconfigurable radio frequency front-ends into the hardware design enables dynamic adjustments tailored to specific communication requirements.

    “Incorporating flexible and reconfigurable radio frequency front-ends into the hardware design enables dynamic adjustments tailored to specific communication requirements.”

    From Towards 6G V2X Sidelink: Survey of Resource Allocation—Mathematical Formulations, Challenges, and Proposed Solutions (2024) · cites this paper as [144]

    Section 3.1 (Front-Ends; page unavailable) describes a reconfigurable RF front-end that can switch between radar and communication modes, and notes that different applications have different hardware requirements. It does not establish that the front-end dynamically adjusts to specific requirements within communication use; it also frames broader reconfigurability as a prospective design goal. (LLM, conf=0.83)

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Metadata

Authors
Sen, P., Harutyunyan, A., Umar, M., & Kamal, S.
Affiliations
Barkhausen Institut (DE)
Corresponding author
Sen, Padmanava
ORCID
Venue
Sensors
Publisher
MDPI AG
Published
2023-09-05
Volume
23
Issue
18
Pages
7673
ISSN
1424-8220 (ISSN-L)
DOI
10.3390/s23187673
PMC
PMC10537380
OpenAlex
W4386444101
Cited by
24
References
2
Citations by year
2026: 7 · 2025: 11 · 2024: 6
FWCI
0.48
Type
journal article
Language
en
Open access
Licence
Locations
  • Sensors (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Saxon State Parliament
Topics
  • Physical Sciences › Engineering › Aerospace Engineering › Radar Systems and Signal Processing
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Radio Frequency Integrated Circuit Design
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Antenna Design and Analysis
Keywords
6G, antenna design, phased arrays, RF packaging, link budget, self-interference cancellation, millimeter wave, centimeter waves, network resilience

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