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<p>As carrier frequencies increase and antenna arrays grow larger, future wireless systems are inevitably transitioning into a near-field (NF)-dominated regime. Efficient NF communication is therefore essential for 6G, but remains challenging due to the presence of spherical wavefronts and high-dimensional channel characteristics. This paper offers a fresh perspective by uncovering theoretical and phenomenological parallels between NF propagation and optical principles and proposes optics-inspired strategies to fundamentally advance NF communication techniques.</p>

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Optics-inspired foundations for near-field wireless communications

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年8月5日

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  • Ziyi Xu,
  • Lin Chen,
  • Ran Li,
  • Ying-Jun Angela Zhang

摘要

As carrier frequencies increase and antenna arrays grow larger, future wireless systems are inevitably transitioning into a near-field (NF)-dominated regime. Efficient NF communication is therefore essential for 6G, but remains challenging due to the presence of spherical wavefronts and high-dimensional channel characteristics. This paper offers a fresh perspective by uncovering theoretical and phenomenological parallels between NF propagation and optical principles and proposes optics-inspired strategies to fundamentally advance NF communication techniques.