Microwave/millimeter-wave multiband transmission lines, antennas, and passive components with large frequency ratios for integrated sensing and communication applications
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1Guangdong Provincial Mobile Terminal Microwave and Millimeter-Wave Antenna Engineering Research Center, College of Electronics and Information Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China;2Guangdong-Hong Kong Joint Laboratory for Big Data Imaging and Communication, Shenzhen, Guangdong 518048, China;3State Key Laboratory of Millimeter Waves, Nanjing, Jiangsu 210096, China;4State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University), Shenzhen, Guangdong 518060, China;5State Key Laboratory of Terahertz and Millimeter Waves, Department of Electrical Engineering, City University of Hong Kong, Hong Kong 999077, China

Clc Number:

TN61;TN713;TN82

Fund Project:

Supported by the National Key Research and Development Program, China (2023YFB4403804, 2021YFA0715301); the State Key Laboratory of Millimeter Waves, China (K202422); the Guangdong Basic and Applied Basic Research Foundation, China (2022B1515130011);the Shenzhen Science and Technology Program, China (CJGJZD20220517142404011); the IoT Standards and Application Key Laboratory of the Ministry of Industry and Information Technology, China (202310)

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    Abstract:

    The fundamental concepts, operating principles, and recent advancements in integrated sensing and communication (ISAC) are presented. A comprehensive review of multiband and large-frequency-ratio microwave/millimeter-wave transmission lines, antennas, and passive components—primarily filters and couplers—that are currently suitable for ISAC application scenarios is provided. Various implementation strategies and fabrication techniques for these multiband and high-frequency-ratio structures are comparatively analyzed. The technical characteristics, RF performance, and respective advantages and limitations of different design approaches are systematically summarized. This review offers a diverse and in-depth reference for the continued development of high-performance microwave/millimeter-wave front-end components tailored for ISAC applications.

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Lei Bo-Jie, Li Jin, Chen Si-Cheng, Yan Shu-Yao, Yuan Tao. Microwave/millimeter-wave multiband transmission lines, antennas, and passive components with large frequency ratios for integrated sensing and communication applications[J]. Journal of Infrared and Millimeter Waves,2026,45(3):500-517

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History
  • Received:April 29,2025
  • Revised:March 06,2026
  • Adopted:May 19,2025
  • Online: April 07,2026
  • Published:
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