Near-Field Communication With Random Frequency Diverse Array
Sun, Linlin, Chen, Zhilin, Huang, Tao, Shu, Feng, and Yan, Shihao (2025) Near-Field Communication With Random Frequency Diverse Array. IEEE Wireless Communications Letters, 14 (1). pp. 213-217.
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Abstract
In this letter, we explore the benefits of applying a random frequency diversity array (RFDA) in near-field communications. To this end, we first derive the small-scale channel power gains (SSCPGs) for near-field systems both with and without RFDA. Our analysis reveals that RFDA achieves a significantly reduction in SSCPG at non-targeted locations, demonstrating that a superior level of beamfocusing performance can be achieved by RFDA in near-filed communications. Furthermore, we also investigate the SSCPG of a far-field system incorporating RFDA, which highlights that RFDA offers a lower SSCPG at non-targeted locations in near-field systems than in far-field systems.
| Item ID: | 86891 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 2162-2345 |
| Keywords: | channel power gain, Near-field communication, random frequency diverse array |
| Copyright Information: | © 2024 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. |
| Date Deposited: | 13 Jan 2026 02:09 |
| FoR Codes: | 40 ENGINEERING > 4006 Communications engineering > 400608 Wireless communication systems and technologies (incl. microwave and millimetrewave) @ 100% |
| SEO Codes: | 22 INFORMATION AND COMMUNICATION SERVICES > 2201 Communication technologies, systems and services > 220107 Wireless technologies, networks and services @ 100% |
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