Millimeter-Wave Distributed Antenna Systems for Interactive Virtual Reality: Reducing blockage and exposure and enhancing robustness with (air-filled) substrate-integrated waveguide antennas. [Bioelectromagnetics]

IF 5.7 4区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Propagation Magazine Pub Date : 2025-08-18 DOI:10.1109/MAP.2025.3578904

Arno Moerman;Olivier Caytan;Hendrik Rogier;Sam Lemey

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Abstract

In this column article, millimeter-wave (mmWave)-over-fiber-based distributed antenna systems (DASs) are showcased to realize reliable high-data-rate wireless links for demanding applications, such as interactive virtual reality, where line-of-sight blockage due to the presence of the user’s own body and external (human) blockers frequently occurs. Distributed architectures, such as DASs, pose a good solution to alleviate these losses, while keeping the background exposure low. Additionally, [air-filled (AF)] substrate-integrated waveguide (SIW) antenna topologies are compared to dipole and patch antennas and are found to be more robust in close proximity to the body, in terms of both bioelectromagnetic (bio-EM) effects and communication performance. Finally, a practical demonstration of a mmWave DAS with head-mounted user equipment (UE) exhibits reliable 12-Gb/s wireless links in the n257 band under full rotation and head tilting of the user. By leveraging distributed multiple-input, multiple-output (DMIMO) techniques, the throughput can even be raised to 24 Gb/s.

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用于交互式虚拟现实的毫米波分布式天线系统：减少阻塞和暴露，增强（充气）基板集成波导天线的鲁棒性。(Bioelectromagnetics)

在这篇专栏文章中，毫米波（mmWave）基于光纤的分布式天线系统（das）展示了实现可靠的高数据速率无线链路的要求苛刻的应用，如交互式虚拟现实，由于用户自己的身体和外部（人类）障碍物的存在，视线阻塞经常发生。分布式架构，如das，提供了一个很好的解决方案来减轻这些损失，同时保持低背景曝光。此外，将[充气（AF）]基板集成波导（SIW）天线拓扑结构与偶极子和贴片天线进行了比较，发现在靠近人体的地方，在生物电磁（bio-EM）效应和通信性能方面更加稳健。最后，使用头戴式用户设备（UE）的毫米波DAS的实际演示显示，在用户完全旋转和头部倾斜的情况下，n257频段中可靠的12gb /s无线链路。通过利用分布式多输入多输出（DMIMO）技术，吞吐量甚至可以提高到24 Gb/s。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Antennas and Propagation Magazine 工程技术-工程：电子与电气

CiteScore

7.00

自引率

5.70%

发文量

186

审稿时长

3 months

期刊介绍： IEEE Antennas and Propagation Magazine actively solicits feature articles that describe engineering activities taking place in industry, government, and universities. All feature articles are subject to peer review. Emphasis is placed on providing the reader with a general understanding of either a particular subject or of the technical challenges being addressed by various organizations, as well as their capabilities to cope with these challenges. Articles presenting new results, review, tutorial, and historical articles are welcome, as are articles describing examples of good engineering. The technical field of interest of the Magazine is the same as the IEEE Antennas and Propagation Society, and includes the following: antennas, including analysis, design, development, measurement, and testing; radiation, propagation, and the interaction of electromagnetic waves with discrete and continuous media; and applications and systems pertinent to antennas, propagation, and sensing, such as applied optics, millimeter- and sub-millimeter-wave techniques, antenna signal processing and control, radio astronomy, and propagation and radiation aspects of terrestrial and space-based communication, including wireless, mobile, satellite, and telecommunications.