Measurement and Analysis of Available Ambient Radio Frequency Energy for Wireless Energy Harvesting

Kwan, Jonathan C.; Fapojuwo, Abraham O.

doi:10.1109/vtcfall.2016.7881084

Cited by 12 publications

(5 citation statements)

References 9 publications

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“…One key parameter when designing an energy harvesting system for low-power IoT devices is the achievement of maximum conversion efficiency [16]. The maximum energy conversion efficiency mostly depends on the incident power density on the antenna elements of the energy harvesting system, i.e., from available RF energy in the environment [17]. Moreover, available RF energy in the environment depends on the frequency, time of day and location.…”

Section: Introductionmentioning

confidence: 99%

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Experimental Assessment of Electromagnetic Fields Inside a Vehicle for Different Wireless Communication Scenarios: A New Alternative Source of Energy

2023

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The search for new energy sources in the 21st century is a crucial topic with an essential economic and societal meaning. Today, energy from electromagnetic fields (EMFs) is considered a promising new energy source for ultra-low-power consumption devices, such as wearable devices and Internet of Things (IoT) sensors. The research goal of this study was to experimentally evaluate the electric field (E-field) inside a compact car for several realistic wireless communication scenarios and to explore the possibility of using these EMFs in energy-harvesting applications. For each scenario, we performed measurements of E-fields in an urban area, in two cases: when the car was in an open space without a direct line of sight to a base station, and when the car was in underground parking. The results show that the highest measured value of the electric field appeared during the voice calls via the GSM network. Moreover, the maximum measured values of the electric field during a UMTS, LTE and 5G voice call were five to six times lower than those in the GSM network.

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Section: Introductionmentioning

confidence: 99%

“…EMF measurements have been carried out in various environments, such as dense urban areas [17,18] and urban and suburban areas [19][20][21]. Only several studies have evaluated EMFs within a closed space, such as an empty vehicle cabin [22,23].…”

Section: Introductionmentioning

confidence: 99%

Experimental Assessment of Electromagnetic Fields Inside a Vehicle for Different Wireless Communication Scenarios: A New Alternative Source of Energy

2023

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“…Figure 1. Illustration of Measured Ambient RF Power across Different Locations (Upper Arrow) and the Power Consumption of Typical IoT Applications (Lower Arrow)The ambient RF power data across different locations are based on measurement data based on the reference by Kwan and Fapojuwo 4. The power consumption data of typical device examples are mainly based on references by Li et al5 and Oh et al6 Adapted with permission from IEEE.…”

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confidence: 99%

Opportunities and Challenges of Ambient Radio-Frequency Energy Harvesting

Grajal

López‐Vallejo

et al. 2020

Joule

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He obtained his BS in physics from University of Science and Technology of China and his PhD in electrical engineering from Massachusetts Institute of Technology. He was an Enrico Fermi Fellow at Argonne National Laboratory from 2018 to 2019. His research interests include nanoelectronics, nanophotonics, and emerging materials for energy harvesting, sensing, and communication applications. Dr. Jesú s Grajal received his PhD in electrical engineering from Universidad Polité cnica de Madrid (UPM) in 1998. Since 2017, he has been a Full Professor with the Signals, Systems, and Radiocommunications Department at UPM. His current research interests include semiconductor device modeling and high-frequency circuit and system design. Dr. Marisa Ló pez-Vallejo received a PhD in electronic engineering from Universidad Polité cnica de Madrid (UPM) in 1999. She was with Bell Laboratories, Lucent Technologies, Murray Hill, NJ, USA as a Member of the Technical Staff. Since 2016, she has been a Full Professor with the Electronic Engineering Department at UPM. Her major interests are in the area of low power, PVTaware design, computer-aided diagnostic methods and tools, emerging memories, and application-specific high-performance programmable architectures.

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“…In our second study, a survey of RF power is provided by Kwan et al for Calgary, Canada [9] . They present data collected from various locations providing a valuable insight in the trends of RF power distribution.…”

Section: Study Of Ambient Rf Power Surveymentioning

confidence: 99%

“…Table 2. 2: Summary of RF power observed in Calgary, Canada [9] . In our third study, Lim et al provide a survey of RF power on their college campus at Nanyang Polytechnic, Singapore [10] .…”

Section: Study Of Ambient Rf Power Surveymentioning

confidence: 99%

Asic Design of RF Energy Harvester Using 0.13UM CMOS Technology

Zaveri¹

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ASIC Design of RF Energy Harvester using 0.13um CMOS Technology Jainish Zaveri Recent advances in wireless sensor nodes, data acquisition devices, wearable and implantable medical devices [1] [2] [3] have paved way for low power (sub 50uW) devices. These devices generally use small solid-state or thin film batteries for power supply which need replacement or need to be removed for charging. RF energy harvesting technology can be used to charge these batteries without the need to remove the battery from the device, thus providing a sustainable power supply. In other cases, a battery can become unnecessary altogether. This enables us to deploy wireless network nodes in places where regular physical access to the nodes is difficult or cumbersome. This thesis proposes a design of an RF energy harvesting device able to charge commercially available thin film or solid-state batteries. The energy harvesting amplifier circuit is designed in Global Foundry 0.13um CMOS technology using Cadence integrated circuit design tools. This Application Specific Integrated Circuit (ASIC) is intended to have as small a footprint as possible so that it can be easily integrated with the above-mentioned devices. While a dedicated RF power source is a direct solution to provide sustainable power to the harvesting circuit, harvesting ambient RF power from TV and UHF cellular frequencies increases the possibilities of where the harvesting device can be placed. The biggest challenge for RF energy harvesting technology is the availability of adequate amount of RF power. This thesis also presents a survey of available RF power at various ultra-high frequencies in San Luis Obispo, CA. The idea is to determine the frequency band which can provide maximum RF power for harvesting and design a harvester for that frequency band. v

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Measurement and Analysis of Available Ambient Radio Frequency Energy for Wireless Energy Harvesting

Cited by 12 publications

References 9 publications

Experimental Assessment of Electromagnetic Fields Inside a Vehicle for Different Wireless Communication Scenarios: A New Alternative Source of Energy

Experimental Assessment of Electromagnetic Fields Inside a Vehicle for Different Wireless Communication Scenarios: A New Alternative Source of Energy

Opportunities and Challenges of Ambient Radio-Frequency Energy Harvesting

Asic Design of RF Energy Harvester Using 0.13UM CMOS Technology

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