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Flexible Phased Antenna Arrays: A Review
Waleef Ullah Usmani1, Francesco Paolo Chietera1, Luciano Mescia1
1Department of Electrical and Information Engineering, Politecnico di Bari, Via E. Orabona 4, 70125 Bari, Italy.
Sensors (Basel, Switzerland)
|August 14, 2025
Summary
Flexible phased antenna arrays offer new applications by conforming to various shapes and performing in harsh environments. This study analyzes their manufacturing, materials, challenges, and future trends.
Area of Science:
- Electrical Engineering
- Materials Science
- Antenna Technology
Background:
- Phased antenna arrays are crucial for advanced wireless communication systems.
- Traditional rigid arrays face limitations in conforming to non-planar surfaces and demanding operational conditions.
- The development of flexible phased antenna arrays (FPAAs) is essential for next-generation applications.
Purpose of the Study:
- To conduct a comprehensive comparative analysis of existing research on flexible phased antenna arrays.
- To summarize key manufacturing techniques and material properties relevant to FPAs.
- To identify current challenges and future research directions in FPAA development.
Main Methods:
- Literature review and comparative analysis of numerous studies on flexible phased antenna arrays.
- Synthesis of information on fabrication processes and material characteristics.
- Identification and categorization of challenges and emerging trends.
Main Results:
- Detailed comparison of various flexible phased antenna array designs and their performance metrics.
- Summary of prevalent manufacturing methods, including additive manufacturing and flexible substrate integration.
- Analysis of material properties such as conductivity, flexibility, and durability for FPAA applications.
- Identification of key challenges including bandwidth limitations, power handling, and long-term reliability.
Conclusions:
- Flexible phased antenna arrays represent a significant advancement with broad application potential.
- Further research is recommended to overcome current technical hurdles in manufacturing, material science, and performance optimization.
- Future trends point towards integrated, conformal, and high-performance flexible antenna solutions.
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