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Guest Editorial: Special Cluster on Advances in Reconfigurable Electromagnetic Devices 嘉宾评论:可重构电磁器件进展专题研讨会
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3482668
Sawyer D. Campbell;Galestan Mackertich-Sengerdy;Douglas H. Werner;Yang Hao
Reconfigurable electromagnetic (EM) devices and antennas are critical for the success of future communication and defense systems. However, such devices often must meet strict mechanical and environmental survivability criteria, transmit at high-power levels, and operate in noisy environments, all while offering reconfigurability and, more desirably, multiple functionalities. Moreover, in many applications, there is competition within the available aperture for a multitude of instruments addressing various functionalities and frequency bands. Thus, there is a need for new and improved techniques to enable and greatly expand the range of device reconfigurability and multifunctionality. Fortunately, recent developments in RF materials, additive manufacturing [1], [2], [3], optimization [4], [5], and design techniques leveraged from other disciplines [6] have led to tremendous advancements in reconfigurable EM devices.
可重构电磁(EM)设备和天线对于未来通信和防御系统的成功至关重要。然而,这些设备通常必须满足严格的机械和环境生存标准,在高功率水平下传输,并在嘈杂的环境中工作,同时提供可重构性,更理想的是,多种功能。此外,在许多应用中,在处理各种功能和频段的众多仪器的可用孔径内存在竞争。因此,需要新的和改进的技术来实现并大大扩展设备可重构性和多功能性的范围。幸运的是,射频材料、增材制造[1]、[2]、[3]、优化[4]、[5]以及利用其他学科的设计技术[6]的最新发展,导致了可重构EM器件的巨大进步。
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引用次数: 0
UHF RFID Analog Sensor System Using Power-Independent Antenna Optimization
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3510835
Jing Guo;Youxin Zhang;Xu Zhang;Zhiyun Lin
Ultrahigh frequency radio-frequency identification (UHF RFID) tags are extensively utilized for their cost-effective provision of rudimentary sensing capabilities. However, the existing UHF RFID analog systems face efficiency challenges in multitag scenarios due to the need for individual radiated power adjustments for each tag to accommodate varying chip impedances. This letter introduces a novel sensing consistency coefficient and power transfer efficiency to ensure a point-to-point mapping between antenna-sensitive factors and auto-tuned values, independent of spatial factors across supported received power levels. By optimizing the dimensions of the RFID antenna layout based on chip impedance values at these power levels, we achieve a power-independent consistent mapping model that does not compromise communication performance. Furthermore, we propose an infusion monitoring system that employs a flexible, passive UHF RFID tag placed exterior to the drip chamber. This system triggers an early warning indicator for low liquid levels within the drip chamber by measuring auto-tuned values, prompting nursing staff to take follow-up actions. Experimental results demonstrate consistent mapping relationships between antenna-sensitive factors and auto-tuned values under diverse spatial conditions. This study not only enhances the time efficiency of the read/write device in multitag environments but also paves the way for new applications of UHF RFID in medical monitoring and similar fields.
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引用次数: 0
Guest Editorial: Special Cluster on Measurement-Computation Fusion for Advanced Electromagnetic Modeling, Simulation, and Evaluation 嘉宾评论:先进电磁建模、仿真和评估的测量-计算融合特别集群
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3482768
Huapeng Zhao;Giuseppe Vecchi;Marco Righero;Zhizhang David Chen
Measurement and computation are indispensable fundamental tools in the antennas and propagation community. Over the past decades, measurement and computational techniques have evolved and advanced significantly, leading to success in many electromagnetic modeling, simulation, or performance evaluation tasks.
测量和计算是天线和传播领域不可缺少的基本工具。在过去的几十年里,测量和计算技术已经得到了显著的发展和进步,导致许多电磁建模、仿真或性能评估任务的成功。
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引用次数: 0
Guest Editorial: Special Cluster on Smart Surfaces, Antennas, and Propagation for Integrated Sensing and Communication (ISAC) 嘉宾评论:集成传感与通信(ISAC)智能表面、天线和传播的特殊集群
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3482648
Qingfeng Zhang;Baiyang Liu;Sai-Wai Wong;Kin-Fai Tong;Kai-Kit Wong;Hang Wong
Integrated sensing and communication (ISAC) is poised to be a cornerstone in advancing wireless networks, encompassing 5G and future generations. This visionary technology melds the realms of sensing and communication, optimizing the utilization of wireless resources while fostering a symbiotic relationship between the two functionalities. Under ISAC's umbrella, the concept encompasses two complementary approaches: communication-assisted sensing, which harnesses the wireless network's capabilities for environmental sensing, and sensing-assisted communication, which leverages channel sensing to bolster the efficiency and effectiveness of wireless communication. Together, these paradigms form the foundation of ISAC, heralding a new era of integrated wireless systems.
集成传感和通信(ISAC)将成为推进无线网络的基石,包括5G和未来几代。这项有远见的技术融合了传感和通信领域,优化了无线资源的利用,同时促进了两种功能之间的共生关系。在ISAC的框架下,该概念包括两种互补的方法:通信辅助传感,利用无线网络的环境传感能力,以及传感辅助通信,利用信道传感来提高无线通信的效率和有效性。这些范例共同构成了ISAC的基础,预示着集成无线系统的新时代的到来。
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引用次数: 0
DGFM With Half-Space Green's Function for Antenna Array Analysis
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3509435
Hao-Fan Zhang;Shi-Gang Zhou;Jie Ma
Antenna arrays are typically accompanied by perfect electric conductor (PEC) grounds, to improving the computing efficiency, a Domain Green's function method (DGFM) with half-space Green's function, termed half-space DGFM (HDGFM) is introduced in this letter. By using half-space Green's function, the HDGFM can account for the effects of the ground without the need to model and compute the actual ground plane, which can accelerate the computation significantly. Furthermore, traditional DGFM is not suitable for computing sparse antenna arrays with PEC ground due to potential overlap issues arising from the different ground planes for each antenna element. The HDGFM can overcome this issue. To verify the effectiveness of the proposed method, two types of antenna arrays with PEC grounds are computed. The results demonstrate good agreement with those obtained using the full method of moments approach, confirming the efficacy of the proposed method.
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引用次数: 0
Guest Editorial: Special Cluster on Electromagnetic Imaging and Sensing: From Innovative Antenna Designs and Processing Algorithms to Advanced Applications 嘉宾评论:电磁成像与传感专题:从创新天线设计和处理算法到先进应用
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3482608
Maria Garcia-Fernandez;Guillermo Alvarez-Narciandi;Okan Yurduseven;Xiaoming Chen;Murat Torlak;Tie Jun Cui
Electromagnetic imaging and sensing systems have witnessed significant development and are becoming increasingly popular in multiple applications such as nondestructive evaluation, vehicle safety and medical diagnosis. Furthermore, the development of current and future communication systems contributes to this trend, bringing at the same time a new set of opportunities and challenges. As a result, a significant research effort has been devoted to developing innovative antenna designs and advanced processing algorithms to deal with the increasingly demanding requirements of imaging and sensing systems. In particular, the wide range of potential application settings (i.e., portable systems, indoor versus outdoor operation, the use of fixed base stations, near-field versus far-field operation), yield to significantly different requirements of the overall system, both in terms of hardware and processing algorithms. This is driving the optimization of the hardware layer, in particular the antennas, with the ultimate goal of not only improving their performance, but also achieving simpler, more robust and cost-effective solutions. This is also fostering the development of innovative techniques to deal with the growing demand for real-time operation as well as advanced sensing features (such as target recognition, classification, super-resolution and motion deblurring, to name a few).
电磁成像与传感系统在无损评估、车辆安全、医疗诊断等多个领域得到了长足的发展和日益广泛的应用。此外,当前和未来通信系统的发展助长了这一趋势,同时也带来了一系列新的机遇和挑战。因此,大量的研究工作致力于开发创新的天线设计和先进的处理算法,以应对日益苛刻的成像和传感系统要求。特别是,广泛的潜在应用设置(即,便携式系统,室内与室外操作,使用固定基站,近场与远场操作)在硬件和处理算法方面对整个系统产生了显着不同的要求。这推动了硬件层的优化,特别是天线,其最终目标不仅是提高其性能,而且是实现更简单,更强大和更具成本效益的解决方案。这也促进了创新技术的发展,以应对日益增长的实时操作需求以及先进的传感功能(如目标识别,分类,超分辨率和运动去模糊,仅举几例)。
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引用次数: 0
IEEE Antennas and Wireless Propagation Letters Publication Information IEEE天线与无线传播通讯出版信息
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3493315
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引用次数: 0
A Novel Multifunctional E-Plane Metal Septum-Based Filtering Horn Antenna
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3511594
Rushiraj Jawale;Suryarajitha Inapurapu;Gowrish Basavarajappa;Hjalti Sigmarsson
In this letter, we have presented a novel multifunctional E-plane metal septum-based filtering horn antenna in rectangular waveguide technology. The proposed design methodology is systematic and scalable to realize higher-order filtering responses. For the validation of the concept, a 4th-order filtering E-plane horn antenna is designed, fabricated and tested at 10 GHz with a fractional bandwidth of 2% and a realized gain of 11 dBi. The realized gain of the filtering horn antenna is identical to that of the conventional horn antenna. The proposed design leads to significant savings in mass and volume and hence contributes to system miniaturization especially beneficial in aerospace applications.
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引用次数: 0
Millimeter-Wave Wideband Dual-Beam Endfire Dielectric Resonator Antenna
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3511659
Gonghao Fan;Wei Qin;Yi Guo;Jin Shi;Ruirui Jiang
A dual-beam endfire dielectric resonator antenna (EFDRA) with wideband performance for millimeter-wave application is proposed. An equivalent electrical wall composed of three metal strips and a row of metal vias is introduced to the middle position of the dielectric resonator (DR) and connected with the T-shaped feeding structure to achieve wideband dual beam by generating the modified TE12δ mode and the anti-phase TE13δ mode. The two modes can be equivalent to two and four anti-phase magnetic currents, respectively, which can both support dual-beam endfire radiation and form wideband design. Meanwhile, the vertical E-field components contributing to unwanted broadside radiation in the two modes will cancel each other out because they are distributed symmetrically in even numbers with similar amplitude and anti-phase, thus restraining broadside radiation. The T-shaped feeding structure is used to generate anti-phase currents, which can simultaneously excite the two modes. Compared with the state-of-the-art dual-beam endfire antennas, the proposed antenna shows a wider bandwidth and higher radiation efficiency. For demonstration, a wideband dual-beam EFDRA prototype is designed and measured. The proposed antenna achieves a 10 dB impedance matching bandwidth of 27.6% [(21.2 to 28) GHz] with a stable direction of the dual beams.
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引用次数: 0
Guest Editorial: Special Cluster on Recent Advances in Filtering Antennas and Arrays 嘉宾评论:滤波天线和阵列的最新进展专题讨论会
IF 3.7 2区 计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Pub Date : 2024-12-04 DOI: 10.1109/LAWP.2024.3482788
Lehu Wen;Wei Hu;Benito Sanz-Izquierdo;Ping Jack Soh;Chunxu Mao
With the advancement of modern wireless systems from the current 5G to future 6G communications, the electromagnetic environment is getting increasingly complicated. Filtering antennas, also known as filtennas, are increasingly popular in wireless communication systems [1], [2], [3]. This is owing to the urgent need for the increased integration of compact and multiband antenna elements with good radiation performance, while maintaining the excellent suppression over the undesired out-of-band interferences. Such filtering antennas have been found in their applications in various 2G/3G/4G/5G base stations, satellites, navigations, radars [4], [5], [6], [7], etc.
随着现代无线系统从当前的5G通信向未来的6G通信推进,电磁环境变得越来越复杂。滤波天线,又称滤光天线,在无线通信系统[1]、[2]、[3]中日益普及。这是由于迫切需要增加集成度,紧凑和多波段天线元件具有良好的辐射性能,同时保持对不希望的带外干扰的良好抑制。这种滤波天线已经在各种2G/3G/4G/5G基站、卫星、导航、雷达[4]、[5]、[6]、[7]等领域得到了应用。
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引用次数: 0
期刊
IEEE Antennas and Wireless Propagation Letters
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