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Integrated 60-GHz miniaturized wideband metasurface antenna in a GIPD process Research Articles

Hai-yang XIA, Jin-can HU, Tao ZHANG, Lian-ming LI, Fu-chun ZHENG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 174-181 doi: 10.1631/FITEE.1900453

Abstract: We propose a miniaturized wideband metasurface antenna for 60-GHz antenna-in-package applications.The proposed antenna is designed on a high dielectric constant glass substrate to achieve antenna miniaturizationwith the conventional rec-tangular patch in the TM10 mode, the radiation aperture of this proposed antennaUsing a probe-based antenna measurement setup, the antenna prototype is measured, demonstrating a 10-At 60 GHz, the antenna gain measured is about 5 dBi in the boresight direction with a compact radiation

Keywords： 60 GHz     Antenna-in-package (AiP)     Coplanar-waveguide-fed (CPW-fed) ring resonators     Glass integrated passivedevice (GIPD)     Metasurface antenna     Miniaturized antenna    

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Miniaturized UWB multi-resonance patch antenna loaded with novel modified H-shape SRR metamaterial for Article

Parul DAWAR, N. S. RAGHAVA, Asok DE

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1883-1891 doi: 10.1631/FITEE.1601193

Abstract: Different configurations of the patch antenna have been analyzed with different orientations and positionsOptimized performance was achieved with the new shape of the metamaterial antenna with an appreciableThe second-order fractal metamaterial antenna achieves high min-iaturization on the order of 1/21.

Keywords： Ultra-wideband (UWB)     Antenna     Metamaterial    

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A new miniaturized engine based on thermomagnetic effect of magnetic fluids

Lujun ZHOU, Yimin XUAN, Qiang LI, Wenlei LIAN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 160-166 doi: 10.1007/s11708-009-0018-9

Abstract: A new engine system, essentially consisting of a permanent NdFeB magnet, a kerosene-based magnetic fluid and a rotor, is proposed based on the thermomagnetic effect of a temperature-sensitive magnetic fluid. The rotor was driven by the thermal convection of the magnetic fluid in the presence of a homogeneous external magnetic field. A digital camera was used to record the rotation speed of the rotor to investigate the performance of the engine system under varying conditions such as heat load, heat sink temperature, and magnetic field distribution. The peak angle velocity obtained for the rotor was about 2.1 rad/min. The results illustrate that the rotation speed of the rotor increases as the input heat load increases, or as the heat sink temperature decreases. The performance of the motor is considerably influenced by the magnetic field imposed. Therefore, the performance of such an engine can be controlled conveniently by changing the external magnetic field and/or the temperature distribution in the fluid.

Keywords： magnetic fluid     thermomagnetic effect     engine    

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An AuNPs/Mesoporous NiO/Nickel Foam Nanocomposite as a Miniaturized Electrode for Heavy Metal Detection Article

Boyuan Xue, Qian Yang, Kaidong Xia, Zhihong Li, George Y. Chen, Dayi Zhang, Xiaohong Zhou

Engineering 2023, Volume 27, Issue 8,   Pages 199-208 doi: 10.1016/j.eng.2022.06.005

Abstract: We present a nanocomposite-based miniaturized electrode for the concurrent measurement of Pb2+

Keywords： AuNPs     Mesoporous NiO     Miniaturized electrode     Heavy metal ions     Groundwater     Square wave voltammetry    

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High Performance Electrically Small Huygens Rectennas Enable Wirelessly Powered Internet of Things Sensing Applications: A Review Review

Wei Lin, Richard W. Ziolkowski

Engineering 2022, Volume 11, Issue 4,   Pages 42-59 doi: 10.1016/j.eng.2021.08.025

Abstract: This paper reviews various rectenna miniaturization techniques such as meandered planar inverted-F antenna(PIFA) rectennas; miniaturized monopole- and dipole-based rectennas; fractal loop and patch rectennasrectennas; wirelessly powered IoT sensors based on these designs; and a dual-functional HLP rectenna and antenna

Keywords： Antenna     Array     Cardioid pattern     Electrically small antenna     Huygens dipole antenna     Internet of Things (    

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Antenna-in-package system integrated with meander line antenna based on LTCCtechnology

Gang DONG,Wei XIONG,Zhao-yao WU,Yin-tang YANG

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 67-73

Abstract:

We present an antenna-in-package system integrated with a meander line antenna based on low temperatureThe proposed system employs a meander line patch antenna, a packaging layer, and a laminated multi-chipThe meander line antenna achieved a bandwidth of 220 MHz with the center frequency at 2.4 GHz, a maximumThis antenna-in-package system integrated with a meander line antenna was fabricated and the experimental

Keywords： Antenna-in-package (AiP)     Meander line antenna     Multi-chip module (MCM)     Low temperature co-fired ceramic    

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MIMO handset antenna for 5G/WLAN applications Correspondences

Yong CHENG, Jing LU, Bing-qing SHENG

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 182-187 doi: 10.1631/FITEE.1900478

Abstract: We propose a dual-module multiple-input multiple-output (MIMO) antenna for portable terminals.The operating bands of the handheld terminal antenna are 5G (3.4–3.8 GHz) and WLAN (5.150–5.925 GHz).Antenna elements of 5G and WLAN are spaced to reduce coupling between antenna elements in the same moduleThe return loss of all antenna elements is larger than 6 dB.of the low-frequency antenna is greater than 40%.

Keywords： Fifth-generation (5G)     Handset antenna     Multiple-input multiple-output (MIMO) antenna     Decouple    

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Human power-based energy harvesting strategies for mobile electronic devices

Dewei JIA, Jing LIU

Frontiers in Energy 2009, Volume 3, Issue 1,   Pages 27-46 doi: 10.1007/s11708-009-0002-4

Abstract: Energy problems arise with the proliferation of mobile electronic devices, which range from entertainment tools to life saving medical instruments. The large amount of energy consumption and increasing mobility of electronic devices make it urgent that new power sources should be developed. It has been gradually recognized that the human body is highly flexible in generating applicable power from sources of heat dissipation, joint rotation, enforcement of body weight, vertical displacement of mass centers, and even elastic deformation of tissues and other attachments. These basic combinations of daily activities or metabolic phenomena open up possibilities for harvesting energy which is strong enough to power mobile or even implantable medical devices which could be used for a long time or be recharged permanently. A comprehensive review is presented in this paper on the latest developed or incubating electricity generation methods based on human power which would serve as promising candidates for future mobile power. Thermal and mechanical energy, investigated more thoroughly so far, will particularly be emphasized. Thermal energy relies on body heat and employs the property of thermoelectric materials, while mechanical energy is generally extracted in the form of enforcement or displacement excitation. For illustration purposes, the piezoelectric effect, dielectric elastomer and the electromagnetic induction couple, which can convert force directly into electricity, were also evaluated. Meanwhile, examples are given to explain how to adopt inertia generators for converting displacement energy via piezoelectric, electrostatic, electromagnetic or magnetostrictive vibrators. Finally, future prospects in harvesting energy from human power are made in conclusion.

Keywords： mobile electronic device     human power     energy harvesting     micro/miniaturized generator     battery     green energy    

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Antenna-in-Package (AiP) Technology

Yueping Zhang

Engineering 2022, Volume 11, Issue 4,   Pages 18-20 doi: 10.1016/j.eng.2021.08.012

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Antenna-in-package system integrated with meander line antenna based on LTCC technology

Gang Dong, Wei Xiong, Zhao-yao Wu, Yin-tang Yang,gdong@mail.xidian.edu.cn

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 1,   Pages 67-73 doi: 10.1631/FITEE.1500167

Abstract: We present an antenna-in-package system integrated with a based on technology.The proposed system employs a meander line patch antenna, a packaging layer, and a laminated for integrationThis antenna-in-package system integrated with a was fabricated and the experimental results agreed

Keywords： Antenna-in-package (AiP)     Meander line antenna     Multi-chip module (MCM)     Low temperature co-fired ceramic    

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Multiple-antenna techniques in nonorthogonalmultiple access: a review Regular Papers

Fei-yan TIAN, Xiao-ming CHEN

Frontiers of Information Technology & Electronic Engineering 2019, Volume 20, Issue 12,   Pages 1665-1697 doi: 10.1631/FITEE.1900405

Abstract: To solve these problems, multiple-antenna techniques have been widely used in NOMA systems by exploitingThis study provides a comprehensive review of various multiple-antenna techniques in NOMA systems, withIn particular, we provide a detailed investigation on multiple-antenna techniques in two-user, multiuser

Keywords： Nonorthogonal multiple access     Multiple-antenna technique     B5G     Internet of Things    

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Optimal array factor radiation pattern synthesis for linear antenna array using cat swarm optimization Article

Gopi RAM, Durbadal MANDAL, Sakti Prasad GHOSHAL, Rajib KAR

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 4,   Pages 570-577 doi: 10.1631/FITEE.1500371

Abstract: In this paper, an optimal design of linear antenna arrays having microstrip patch antenna elements hasThe optimal radiation patterns of isotropic antenna elements are obtained by optimizing the current excitationThe antenna arrays of 12, 16, and 20 elements are taken as examples.From the simulation results it is evident that CSO is able to yield the optimal design of linear antennaarrays of patch antenna elements.

Keywords： Patch antenna     Linear antenna array     Cat swarm optimization (CSO)     Side lobe level (SLL)    

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Overview of Future Antenna Design for Mobile Terminals

Hanyang Wang

Engineering 2022, Volume 11, Issue 4,   Pages 12-14 doi: 10.1016/j.eng.2021.04.031

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Miniaturized five fundamental issues about visual knowledge Perspectives

Yun-he Pan,panyh@zju.edu.cn

Frontiers of Information Technology & Electronic Engineering 2021, Volume 22, Issue 5,   Pages 615-766 doi: 10.1631/FITEE.2040000

Abstract: 认知心理学早已指出，人类知识记忆中的重要部分是视觉知识，被用来进行形象思维。因此，基于视觉的人工智能（AI）是AI绕不开的课题，且具有重要意义。本文继《论视觉知识》一文，讨论与之相关的5个基本问题：（1）视觉知识表达；（2）视觉识别；（3）视觉形象思维模拟；（4）视觉知识的学习；（5）多重知识表达。视觉知识的独特优点是具有形象的综合生成能力，时空演化能力和形象显示能力。这些正是字符知识和深度神经网络所缺乏的。AI与计算机辅助设计/图形学/视觉的技术联合将在创造、预测和人机融合等方面对AI新发展提供重要的基础动力。视觉知识和多重知识表达的研究是发展新的视觉智能的关键，也是促进AI 2.0取得重要突破的关键理论与技术。这是一块荒芜、寒湿而肥沃的“北大荒”，也是一块充满希望值得多学科合作勇探的“无人区”。

Keywords： 视觉知识表达；视觉识别；视觉形象思维模拟；视觉知识学习；多重知识表达    

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Title Author Date Type Operation

Integrated 60-GHz miniaturized wideband metasurface antenna in a GIPD process

Hai-yang XIA, Jin-can HU, Tao ZHANG, Lian-ming LI, Fu-chun ZHENG

Journal Article

Miniaturized UWB multi-resonance patch antenna loaded with novel modified H-shape SRR metamaterial for

Parul DAWAR, N. S. RAGHAVA, Asok DE

Journal Article

A new miniaturized engine based on thermomagnetic effect of magnetic fluids

Lujun ZHOU, Yimin XUAN, Qiang LI, Wenlei LIAN

Journal Article

An AuNPs/Mesoporous NiO/Nickel Foam Nanocomposite as a Miniaturized Electrode for Heavy Metal Detection

Boyuan Xue, Qian Yang, Kaidong Xia, Zhihong Li, George Y. Chen, Dayi Zhang, Xiaohong Zhou

Journal Article

High Performance Electrically Small Huygens Rectennas Enable Wirelessly Powered Internet of Things Sensing Applications: A Review

Wei Lin, Richard W. Ziolkowski

Journal Article

Antenna-in-package system integrated with meander line antenna based on LTCCtechnology

Gang DONG,Wei XIONG,Zhao-yao WU,Yin-tang YANG

Journal Article

Gao Shichang: Key Technology of 5g Base Station, Miniaturized Broadband Dual Polarization Planar Antenna

30 Oct 2021

Conference Videos

MIMO handset antenna for 5G/WLAN applications

Yong CHENG, Jing LU, Bing-qing SHENG

Journal Article

Human power-based energy harvesting strategies for mobile electronic devices

Dewei JIA, Jing LIU

Journal Article

Antenna-in-Package (AiP) Technology

Yueping Zhang

Journal Article

Antenna-in-package system integrated with meander line antenna based on LTCC technology

Gang Dong, Wei Xiong, Zhao-yao Wu, Yin-tang Yang,gdong@mail.xidian.edu.cn

Journal Article

Multiple-antenna techniques in nonorthogonalmultiple access: a review

Fei-yan TIAN, Xiao-ming CHEN

Journal Article

Optimal array factor radiation pattern synthesis for linear antenna array using cat swarm optimization

Gopi RAM, Durbadal MANDAL, Sakti Prasad GHOSHAL, Rajib KAR

Journal Article

Overview of Future Antenna Design for Mobile Terminals

Hanyang Wang

Journal Article

Miniaturized five fundamental issues about visual knowledge

Yun-he Pan,panyh@zju.edu.cn

Journal Article