Practical Energy Harvesting for Batteryless Ambient Backscatter Sensors

Vougioukas, Georgios; Dimitriou, Antonis G.; Bletsas, Aggelos; Sahalos, John N.

doi:10.3390/electronics7060095

Cited by 12 publications

(7 citation statements)

References 10 publications

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“…When compared to the quantity of solar energy, ambient RF energy sources have a very low power densityo, but their main benefit is the continuous availability of radiations around the clock and their availability in both indoors and outdoors. [19] RF energy harvesting is a cost-effective and environmentally friendly technology that not only removes hazardous RF energy from the atmosphere but also allows it to be used in low-power electronics applications. [20]- [21] Two alternative operating principles can be used to exploit radio frequency (RF) energy such as Wi-Fi, digital TV, and cellular transmissions.…”

Section: Needs Booster Circuit To Amplify Outputmentioning

confidence: 99%

Performance Evaluation of Energy Harvesting Method on Intelligent Wearable Travel Aid Device for Blind Person

Kassim¹,

Ayub²,

Shukor³

et al. 2022

IJETAE

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The intelligent wearable travel aid device has been developed for blind person usage for traveling purposes. The intelligent wearable travel aid device will be used along with the long cane that is usually used to detect any obstructions around the blind person. However, the problem on power supply to supply the electrical energy for the intelligent wearable travel aid device to work properly always been occurred. In order to fit the energy harvesting device on the intelligent wearable travel aid device, the comparison of the solar panel and photodiode is done. The performance evaluation to compare theenergy harvesting method on the developed intelligent wearable travel aid device for blind person has been conductedbased on the experiment result. The photodiode is proposed in this study due to small size and easy to arrange on top of developed wearable travel aid device compared to the solar panel which big size but commonly used as energy harvesting device. Consequently, the experimental result of the intelligent wearable travel aid device in terms of voltage, current and light intensity for the improved version with different type of configuration is proven respectively.

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Section: Needs Booster Circuit To Amplify Outputmentioning

confidence: 99%

Performance Evaluation of Energy Harvesting Method on Intelligent Wearable Travel Aid Device for Blind Person

Kassim¹,

Ayub²,

Shukor³

et al. 2022

IJETAE

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“…Ambient signals can fulfill this tiny power requirement. Moreover, the ambient RF sources with additional peripheral components (e.g., boost converter) could overcome the need of a battery in passive devices [124]. Liu et al introduced Amb-BackCom to power passive tags.…”

Section: Power Sources In Backcommentioning

confidence: 99%

Backscatter Communications: Inception of the Battery-Free Era—A Comprehensive Survey

Memon

Saxena

Roy³

et al. 2019

Electronics

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The ever increasing proliferation of wireless objects and consistent connectivity demands are creating significant challenges for battery-constrained wireless devices. The vision of massive IoT, involving billions of smart objects to be connected to the cellular network, needs to address the problem of uninterrupted power consumption while taking advantage of emerging high-frequency 5G communications. The problem of limited battery power motivates us to utilize radio frequency (RF) signals as the energy source for battery-free communications in next-generation wireless networks. Backscatter communication (BackCom) makes it possible to harvest energy from incident RF signals and reflect back parts of the same signals while modulating the data. Ambient BackCom (Amb-BackCom) is a type of BackCom that can harvest energy from nearby WiFi, TV, and cellular RF signals to modulate information. The objective of this article is to review BackCom as a solution to the limited battery life problem and enable future battery-free communications for combating the energy issues for devices in emerging wireless networks. We first highlight the energy constraint in existing wireless communications. We then investigate BackCom as a practical solution to the limited battery life problem. Subsequently, in order to take the advantages of omnipresent radio waves, we elaborate BackCom tag architecture and various types of BackCom. To understand encoding and data extraction, we demonstrate signal processing aspects that cover channel coding, interference, decoding, and signal detection schemes. Moreover, we also describe BackCom communication modes, modulation schemes, and multiple access techniques to accommodate maximum users with high throughput. Similarly, to mitigate the increased network energy, adequate data and power transfer schemes for BackCom are elaborated, in addition to reliability, security, and range extension. Finally, we highlight BackCom applications with existing research challenges and future directions for next-generation 5G wireless networks.

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“…If the chip provides an additional voltage output, a supercapacitor can be used instead of a battery, but the electromagnetic field generated by the RWD is a low-yield and uncertain source for recharging the supercapacitor. It is a good idea to support it by electric energy obtained from mechanical, thermal, or solar transducers [26,27]. Nevertheless, the electromagnetic field generated by the typical radiocommunications systems (e.g., base stations of GSM, Wi-Fi, Worldwide Interoperability for Microwave Access-WiMAX, etc.)…”

Section: Introductionmentioning

confidence: 99%

LTCC Flow Sensor with RFID Interface

Węglarski

Jankowski-Mihułowicz

Pitera

et al. 2020

Sensors

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The idea of battery-less flow sensors and their implementation in wireless measurement systems is presented in this research article. The authors take advantage of their latest achievements in the Low Temperature Co-fired Ceramic (LTCC) technology, RadioFrequency Identification (RFID) technique, and increasing availability of low power electronics in order to get rid of the need to use electrochemical cells in a power supply unit of the elaborated device. To reach this assumption, special care has to be put on the energy balance in such an autonomous sensor node. First of all, the new concept of an electromagnetic LTCC turbine transducer with a signal conditioner which only draws a current of around 15 µA, is proposed for measuring a flow rate of fluids. Next, the autonomy of the device is showed; measured data are gathered in a microcontroller memory and sent to a control unit via an RFID interface which enables both information exchange and power transfer. The energy harvested from the electromagnetic field is used to conduct a data transmission, but also its excess can be accumulated, so the proposed sensor operates as a semi-passive transponder. The total autonomy of the device is achieved by implementing a second harvester that continually gathers energy from the environmental electromagnetic field of common active radio systems (e.g., Global System for Mobile Communications (GSM), wireless network Wi-Fi).

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Practical Energy Harvesting for Batteryless Ambient Backscatter Sensors

Cited by 12 publications

References 10 publications

Performance Evaluation of Energy Harvesting Method on Intelligent Wearable Travel Aid Device for Blind Person

Performance Evaluation of Energy Harvesting Method on Intelligent Wearable Travel Aid Device for Blind Person

Backscatter Communications: Inception of the Battery-Free Era—A Comprehensive Survey

LTCC Flow Sensor with RFID Interface

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