Achieving Quasi-Planar Coverage: A Concave Meniscus Lens-Enhanced Rotman-Lens-Based mmID for Ultra-Long-Range IoT Applications

IF 3.7 2区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Antennas and Wireless Propagation Letters Pub Date : 2024-12-09 DOI:10.1109/LAWP.2024.3514914

Marvin Joshi;Kexin Hu;Charles A. Lynch;Manos M. Tentzeris

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引用次数: 0

Abstract

Recent advancements in 5G/millimeter-wave (mmWave) technologies have led to the development of next- generation IoT devices that provide large-scale connectivity and high data rates. To ensure reliable communication and consistent performance, these devices must have wide angular coverage and high detectability, allowing them to maintain stable connectivity regardless of their orientation or positioning. In this work, we introduced a 3-D lens-enabled semipassive millimeter-wave identification (mmID) for next-generation Internet-of-Things (IoT) systems, capable of quasi-planar angular coverage and ultra-long range capabilities. The system employs a concave meniscus dielectric lens combined with a Rotman-lens-based mmID, achieving a peak differential radar cross section of −15.1 dBsm and near-planar 3 dB angular coverage of

$\pm$

${\text{85}}^{\circ }$

. Using a proof-of-concept frequency-modulated continuous wave (FMCW) radar, the mmID demonstrated detection at an ultra-long range of 68 m at incident angles of

${\text{15}}^{\circ }$

and

${\text{85}}^{\circ }$

, with an average localization error of 4 cm. Furthermore, utilizing the maximum allowable 75 dBm equivalent isotropic radiated power in 5G applications, the proposed system has a projected theoretical maximum range of 1.3 km and 1.02 km at incident angles of 15

$^{\circ }$

and 85

$^{\circ }$

, respectively, making it a promising solution for next-generation orientation-agnostic IoT applications.

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来源期刊

IEEE Antennas and Wireless Propagation Letters 工程技术-电信学

CiteScore

8.00

自引率

9.50%

发文量

529

审稿时长

1.0 months

期刊介绍： IEEE Antennas and Wireless Propagation Letters (AWP Letters) is devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation. These are areas of competence for the IEEE Antennas and Propagation Society (AP-S). AWPL aims to be one of the "fastest" journals among IEEE publications. This means that for papers that are eventually accepted, it is intended that an author may expect his or her paper to appear in IEEE Xplore, on average, around two months after submission.