A Compact Coplanar Waveguide Fed Wideband Monopole Antenna for Rf Energy Harvesting Applications

Mathur, Monika; Agrawal, Ankit; Singh, Ghanshyam; Bhatnagar, S. K.

doi:10.2528/pierm17101201

Cited by 15 publications

(9 citation statements)

References 15 publications

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“…Ultralow-power receive architectures are thus essential to fully realize the potential of WET in large-scale IoT deployments. EH hardware optimization has traditionally focused either on the antenna design (for reduced form factor and/or high antenna gain) [9], [66], [67], matching network [9], [68], [69], rectifier and rectennas (from single to multi/tunable-band, and from frequency-selective to wideband) [8], [9], [70]- [72], voltage multiplier [9], [73]- [75], or even the power management unit (PMU) [75]- [77]. The PMU is nowadays an optional circuit block in EH circuits, which tracks and optimizes the EH efficiency.…”

Section: Enhancements In Hardware and Mediummentioning

confidence: 99%

Massive Wireless Energy Transfer: Enabling Sustainable IoT Toward 6G Era

López

Alves

Souza

et al. 2021

IEEE Internet Things J.

153

108

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Recent advances on wireless energy transfer (WET) make it a promising solution for powering future Internet-of-Things (IoT) devices enabled by the upcoming sixth-generation (6G) era. The main architectures, challenges and techniques for efficient and scalable wireless powering are overviewed in this article. Candidates enablers, such as energy beamforming (EB), distributed antenna systems (DASs), advances on devices' hardware and programmable medium, new spectrum opportunities, resource scheduling, and distributed ledger technology are outlined. Special emphasis is placed on discussing the suitability of channel state information (CSI)-limited/free strategies when powering simultaneously a massive number of devices. The benefits from combining DAS and EB, and from using average CSI whenever available, are numerically illustrated. The pros and cons of the state-of-the-art CSI-free WET techniques in ultralow power setups are thoroughly revised, and some possible future enhancements are outlined. Finally, key research directions toward realizing WET-enabled massive IoT networks in the 6G era are identified and discussed in detail. Index Terms-Channel state information (CSI), distributed antenna systems (DASs), distributed ledger technology (DLT), energy beamforming (EB), intelligent reflective surfaces, Internet of Things (IoT), massive wireless energy transfer (WET), millimeter wave, sixth generation (6G), ultralow power. I. INTRODUCTION T HE SIXTH generation (6G) of wireless systems targets a data-driven sustainable society, enabled by nearinstant, secure, unlimited and green connectivity [1]-[3]. Stringent performance requirements in terms of security and

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Section: Enhancements In Hardware and Mediummentioning

confidence: 99%

Massive Wireless Energy Transfer: Enabling Sustainable IoT Toward 6G Era

López

Alves

Souza

et al. 2021

IEEE Internet Things J.

153

108

View full text Add to dashboard Cite

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“…Prior to it, complete illustration about the microwave antennas in RF energy harvesting are presented with complete design perspective. A comparative study along with performatory analysis of microwave antennas are presented in Table ; keeping intact with rectenna characteristics: operating frequency, realized gain, polarization diversity, input power levels, and RF‐to‐DC power conversion efficiency, which was not in the scope of review papers for RF energy harvesting available in the open literature. Technically, to pursue clear understanding about tradeoffs of modern RF systems; five different cases of planar antennas (monopole antennas) at different bands with reflector surfaces and integrated with rectifier circuits are designed, simulated and analyzed by using FDTD domain solver (CST microwave studio) and circuit solver (advanced design system).…”

Section: Microwave Antennas In Rf Energy Harvesting Systemsmentioning

confidence: 99%

“…The different breeds of microwave antennas in RF energy harvesting are shown in Figure ; it includes the basic form of antennas such as dipole antennas, monopole antennas, loop antennas, slot antennas, microstrip antennas, Vivaldi antennas, dielectric resonator antennas, helical antennas, Yagi‐Uda antennas, and log‐periodic antennas . The relevant theories of basic forms of antennas are available in open literature .…”

Section: Microwave Antennas In Rf Energy Harvesting Systemsmentioning

confidence: 99%

“…Y-shaped monopole antenna with PEC reflector for wideband circular polarization 5. Y-shaped monopole antenna with AMC reflector for broadband circular polarization Dipole Antennas [65][66][67][68][69] Monopole Antennas [70][71][72][73][74] Loop Antennas [75][76][77][78][79] Slot Antennas [80][81][82][83][84] Microstrip Antennas [85][86][87][88][89][90] Vivaldi Antennas [91][92][93][94][95] Dielectric Resonator Antennas [96][97][98][99][100] Helical Antennas [101][102][103] Log-Periodic Antennas [107][108][109] Yagi-Uda Antennas [104][105][106] Basic Antennas Specialized Techniques Based Antennas [143][144][145]…”

Section: U-shaped Monopole Antenna For Gsm 900 Bandsmentioning

confidence: 99%

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Microwave antennas—An intrinsic part of RF energy harvesting systems: A contingent study about its design methodologies and state‐of‐art technologies in current scenario

Behera

Meher

Mishra

2020

Int J RF Microw Comput Aided Eng

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With the significant rise of low power embedded devices in various applications of both consumer and commercial usage, the surge for continuous power requirements has initiated promising research toward alternative sources of energy. It includes the domain of wireless power transmission, internet‐of‐things, wireless sensor nodes, machine‐to‐machine, and radio frequency identification. Thus, the overall scope of this review article is to witness microwave antennas and its implementation in RF energy harvesting system through ambient RF signals. For this reason, unified understanding of classical electromagnetism is needed; beginning with the fundamentals of RF transmission and the exploration of concepts such as Fraunhofer's Distance and Friis Transmission Equation. It is followed up by the analogy of dependency of parameters like circuit build‐up, conversion efficiencies and amount of power harvested, which is quite crucial from the rectifier point‐of‐view. For better improvisement in RF energy harvesting systems, five different cases of monopole antennas are explored with reflector surfaces such as PEC (perfect electrical conductor) and AMC (artificial magnetic conductor) integrated with the rectifier circuit. Implementation with wide diversity has proposed a generalized solution for achieving tradeoffs: polarization and pattern diversity with consistent system efficiency; leads to clean and sustainable energy for low power‐embedded devices.

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“…[ 24 ] High gain and miniaturized antennas are antenna technology's main aims. [ 96,97 ] High gain in specific directions usually results in a lower gain in others. Thus, when the transmitter and receiver positions are known, the high gain is advantageous in WPT.…”

Section: Introductionmentioning

confidence: 99%

Printed Electronics in Radiofrequency Energy Harvesters and Wireless Power Transfer Rectennas for IoT Applications

Skarżyński

Słoma

2023

Adv Elect Materials

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The Internet of Things is currently one of the fastest-growing branches in electronics. The development of energy storage systems and the miniaturization of dedicated printed circuit boards significantly influence that growth. However, the need for batteries and traditional printed circuit boards still limits devices' minimum size, weight, and cost, narrowing the application area. Energy harvesters and wireless power transfer systems fabricated with printed electronics can significantly reduce such devices' weight, size, and cost. Printed electronics technology provides scalable tools for many electronics applications, shortening the validation time and enabling new low-cost or disposable solutions on lightweight and flexible substrates embedded inside 3D printed structures and directly on device housings. Energy harvesting and wireless power transfer systems in electronic devices can provide enough power to minimize battery capacity and size or even eliminate the need for batteries in low-power applications. This review presents an adaptation of printed electronics technology in the fabrication of radio frequency energy harvesters and wireless power transfer rectennas for IoT applications. Last, perspectives for development towards greater integration with microsystems, transient electronics with ecofriendly materials, adaptation for next-generation telecommunication systems, and 3D structural electronics solutions are briefly discussed.

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A Compact Coplanar Waveguide Fed Wideband Monopole Antenna for Rf Energy Harvesting Applications

Cited by 15 publications

References 15 publications

Massive Wireless Energy Transfer: Enabling Sustainable IoT Toward 6G Era

Massive Wireless Energy Transfer: Enabling Sustainable IoT Toward 6G Era

Microwave antennas—An intrinsic part of RF energy harvesting systems: A contingent study about its design methodologies and state‐of‐art technologies in current scenario

Printed Electronics in Radiofrequency Energy Harvesters and Wireless Power Transfer Rectennas for IoT Applications

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