A Dual-Band Rectifier for RF Energy Harvesting

Khansalee, Ekkaphol; Nuanyai, Kittipong; Zhao, Yan

doi:10.4186/ej.2015.19.5.189

Cited by 13 publications

(9 citation statements)

References 13 publications

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“…Several studies have explored the use of dual-band recti ers in rectenna systems. Khansalee et al (2015) proposed a dual-band recti er operating at 2.1 GHz and 2.45 GHz, targeting applications such as battery chargers and wireless sensor devices Khansalee et al (2015). Their design achieved conversion e ciencies of 54% and 51% at the respective frequencies.…”

Section: Related Literaturementioning

confidence: 99%

High-Efficiency Dual-Band RF Energy Harvesting with Integrated Impedance-Matching and Rectifier Circuits

Lakade,

Nawale

2024

Preprint

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Efficient RF energy harvesting is crucial for enabling self-powered wireless devices and Internet of Things (IoT) applications. This work presents a dual-band impedance-matching network with an integrated rectifier configuration operating at 2.45GHz (Wi-Fi and IoT) and 3.5GHz (5G mobile network), addressing the challenge of achieving simultaneous conjugate matching and maximum power transfer from the antenna to the rectifier circuit across multiple frequencies. We propose an inverted L-shaped matching network with series and shorted stubs for 2.45GHz matching, coupled with an additional series stub for 3.5GHz matching. The integrated voltage doubler rectifier, comprising Schottky diodes, filtering capacitors, and optimized load resistance, was simulated using an Advanced Design System (ADS) on an FR4 substrate with a dielectric constant of 4.3. The designed circuit exhibits a high conversion efficiency of 85.96% at -6dBm input power levels, making it suitable for low-power applications. This integrated approach facilitates efficient RF-to-DC power transfer from the antenna to the rectifier circuit across dual bands, paving the way for compact, efficient RF energy harvesting systems that contribute to the development of self-sustainable wireless sensor networks and enable a wide range of IoT applications in various domains, including environmental monitoring, healthcare, and industrial automation.

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Section: Related Literaturementioning

confidence: 99%

High-Efficiency Dual-Band RF Energy Harvesting with Integrated Impedance-Matching and Rectifier Circuits

Lakade,

Nawale

2024

Preprint

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“…We determine the rectifier's input impedance using the S-parameter simulation in the ADS software. The MN's initial design parameters are then determined using MATLAB and the design equations shown in [26]. Then, using the advanced design system (ADS) tool for optimization, we adjusted the result parameters to match the input impedance for a load of 5 KΩ and for low input power in the appropriate frequency bands.…”

Section: Impedance Matching Circuitmentioning

confidence: 99%

Dickson voltage multiplier with 1 to 6 stages for dual-band rectifiers (2.45/5.8 GHz) with low input power

Mattar¹,

Baghdad²,

Said³

et al. 2023

TELKOMNIKA

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This paper presents the design of highly efficient rectifiers that can operate at WiFi frequencies (2.45 GHz and 5.8 GHz) and match low input power. The designed dual-band rectifiers use multi-stage dickson voltage multipliers (DVM) (from 1 to 6 stages), and the main idea of this paper is to find the number of stages that offers the best performance and that can be used by applications that operate within the same constraints (operating frequencies, input power). The efficiency and the output voltage (Vout) are the parameters studied to analyze the designed rectifiers. The results showed that as the number of DVM stages increased, the efficiency curves for both frequencies shifted to the higher input power range, even when using the same diode (SMS7630) and the same load (5 KΩ). We concluded that the rectifier with 1-stage DVM is the most suitable to be used for low input power at the selected frequencies since it provides an efficiency of 57.734% at 0 dBm for 2.45 GHz and 36.225% at 1 dBm of input power for 5.8 GHz.

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“…Based on their topological structure and symmetry property, rectifiers could be classified as single-ended (i.e., voltage output) topology [164][165][166] and differential topology (i.e., full wave differential precision) [28,167,168] rectifiers to rectify the higher voltages. The rectifiers used in RF energy harvesting circuits could also be classified based on the frequency bands they cover (such as dual band [169][170][171] and triple band [172][173][174] rectifiers).…”

Section: Rectifiers/voltage Multipliersmentioning

confidence: 99%

A Comprehensive Survey on RF Energy Harvesting: Applications and Performance Determinants

Sherazi

Zorbas

O’Flynn

2022

Sensors

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There has been an explosion in research focused on Internet of Things (IoT) devices in recent years, with a broad range of use cases in different domains ranging from industrial automation to business analytics. Being battery-powered, these small devices are expected to last for extended periods (i.e., in some instances up to tens of years) to ensure network longevity and data streams with the required temporal and spatial granularity. It becomes even more critical when IoT devices are installed within a harsh environment where battery replacement/charging is both costly and labour intensive. Recent developments in the energy harvesting paradigm have significantly contributed towards mitigating this critical energy issue by incorporating the renewable energy potentially available within any environment in which a sensor network is deployed. Radio Frequency (RF) energy harvesting is one of the promising approaches being investigated in the research community to address this challenge, conducted by harvesting energy from the incident radio waves from both ambient and dedicated radio sources. A limited number of studies are available covering the state of the art related to specific research topics in this space, but there is a gap in the consolidation of domain knowledge associated with the factors influencing the performance of RF power harvesting systems. Moreover, a number of topics and research challenges affecting the performance of RF harvesting systems are still unreported, which deserve special attention. To this end, this article starts by providing an overview of the different application domains of RF power harvesting outlining their performance requirements and summarizing the RF power harvesting techniques with their associated power densities. It then comprehensively surveys the available literature on the horizons that affect the performance of RF energy harvesting, taking into account the evaluation metrics, power propagation models, rectenna architectures, and MAC protocols for RF energy harvesting. Finally, it summarizes the available literature associated with RF powered networks and highlights the limitations, challenges, and future research directions by synthesizing the research efforts in the field of RF energy harvesting to progress research in this area.

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A Dual-Band Rectifier for RF Energy Harvesting

Cited by 13 publications

References 13 publications

High-Efficiency Dual-Band RF Energy Harvesting with Integrated Impedance-Matching and Rectifier Circuits

High-Efficiency Dual-Band RF Energy Harvesting with Integrated Impedance-Matching and Rectifier Circuits

Dickson voltage multiplier with 1 to 6 stages for dual-band rectifiers (2.45/5.8 GHz) with low input power

A Comprehensive Survey on RF Energy Harvesting: Applications and Performance Determinants

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