[논문]IoT 응용을 위한 RF 에너지 전송 테스트베드 구현 및 실험

최계원

doi:10.7840/kics.2015.40.10.1912

IoT 응용을 위한 RF 에너지 전송 테스트베드 구현 및 실험
RF Energy Transfer Testbed Based on Off-the-shelf Components for IoT Application 원문보기

한국통신학회논문지 = The Journal of Korean Institute of Communications and Information Sciences, v.40 no.10, 2015년, pp.1912 - 1921

(Seoul National University of Science and Technology, Department of Computer Science and Engineering) , (Seoul National University of Science and Technology, Department of Computer Science and Engineering) , (Seoul National University of Science and Technology, Department of Computer Science and Engineering) , (Seoul National University of Science and Technology, Department of Computer Science and Engineering) , (Seoul National University of Science and Technology, Department of Computer Science and Engineering) , 최계원 (Seoul National University of Science and Technology, Department of Computer Science and Engineering)

초록
AI-Helper

본 논문에서는 IoT 환경에서의 RF 무선 에너지 전송을 실험할 수 있는 테스트베드 구현 방안에 대해 설명하고 이를 이용한 실험 결과를 소개한다. 본 논문에서 고려하는 IoT 환경은 마이크로파를 통해 무선으로 에너지를 전송할 수 있는 전력 비콘(power beacon)과 이로부터 에너지를 수신 받아 동작하는 다수의 센서 노드로 구성되어 있다. 이러한 IoT 환경에서 RF 에너지 전송을 실험하기 위한 테스트베드를 구현하였으며 주로 상용 제품으로 테스트베드를 구성하고 소프트웨어를 통한 제어를 가능하게 함으로써 다양한 에너지 및 데이터 전송 프로토콜 실험을 수행할 수 있는 환경을 쉽게 구축할 수 있도록 하였다. 또한 테스트베드를 통한 실험 결과를 소개하고 향후 테스트베드 활용 방안에 대해 논의한다.

Abstract ▼ AI-Helper

In this paper, we introduce a testbed for testing the RF energy transfer technology in the Internet of Things (IoT) environment, and provide experimental results obtained by using the testbed. The IoT environment considered in this paper consists of a power beacon, which is able to wirelessly transfers energy via microwave, and multiple sensor nodes, which makes use of the energy received from the power beacon. We have implemented the testbed to experiment the RF energy transfer in such IoT environment. We have used off-the-shelf hardware components to build the testbed and have made the tesbed controlled by software so that various energy and data transmission protocol experiments can easily be conducted. We also provide experimental results and discuss the future research direction.

주제어

AI 본문요약
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문제 정의

In this paper, we introduce a testbed for testing the RF energy transfer technology in the IoT environment. This testbed consists of a power beacon, which is able to wirelessly transfer energy via microwave, and multiple sensor nodes, which makes use of the energy received from the power beacon.

제안 방법

In this work, we have introduced an RF energy transfer testbed and presented some preliminary measurement results. There are many possible directions to expand this testbed for testing various technologies and applications of the RF energy transfer.
We also investigate the relationship between the RSSI value and the charging time. This investigation has been carried out by varying the transmit power from the power beacon. We choose 13 RSSI values from 0.

대상 데이터

4 protocol. Its core architecture is based upon the MSP430 microcontroller unit (MCU) and the CC2420 radio transceivers. The MSP430 is an MCU that incorporates a 16-bit RISC CPU, peripherals, and a clock system.

이론/모형

The overall operation of the power beacon is controlled by the Labview code that runs on the laptop. From this code, some of parameters of the USRP for the energy transmission can be adjusted manually, for instance, an operating frequency and a gain of the USRP, as well as the magnitude and the phase of the baseband signal.

참고문헌 (12)

L. Xie, Y. Shi, Y. T. Hou, and W. Lou, "Wireless power transfer and applications to sensor networks," IEEE Wireless Commun. Mag., vol. 20, no. 4, pp. 140-145, Aug. 2013.

상세보기
X. Lu, P. Wang, D. Niyato, D. I. Kim, and Z. Han, "Wireless networks with RF energy harvesting: a contemporary survey," IEEE Commun. Surveys Tuts., vol. 17, no. 2, pp. 757-789, 2015.

상세보기
Z. Ding, C. Zhong, D. Ng, M. Peng, H. Suraweera, R. Schober, and H. Poor, "Application of smart antenna technologies in simultaneous wireless information and power transfer," IEEE Commun. Mag., vol. 53, no. 4, pp. 86-93, Apr. 2015.

상세보기
S. Bi, C. K. Ho, and R. Zhang, "Wireless powered communication: opportunities and challenges," IEEE Commun. Mag., vol. 53, no. 4, pp. 117-125, Apr. 2015.

상세보기
National Instruments, NI USRP-292x/293x Datasheet: Universal Software Radio Peripherals, Retrieved Aug. 2015 from http://www.ni.com/datasheet/pdf/en/ds-355.
Mini-Circuits, Coaxial High Power Amplifier: ZHL-5W-422+, Retrieved Aug. 2015 from http://www.minicircuits.com/pdfs/ZHL-5W-422+.pdf.
Zolertia, Z1 datasheet, Retrieved Aug. 2015 from http://zolertia.sourceforge.net/wiki/images/e/e8/Z1_RevC_Datasheet.pdf.
Powercast Corporation, Product Datasheet: P2 110-915 MHz RF Powerharvester Receiver, Retrieved Aug. 2015 from http://www.powercastco.com/PDF/P2110-datasheet.pdf.
R. Shigeta, T. Sasaki, D. M. Quan, Y. Kawahara, R. J. Vyas, M. M. Tentzeris, and T. Asami, "Ambient RF energy harvesting sensor device with capacitor-leakage-aware duty cycle control," IEEE Sensors J., vol. 13, no. 8, pp. 2973-2983, Aug. 2013.

상세보기
D. Mishra, S. De, and K. R. Chowdhury, "Charging time characterization for wireless RF energy transfer," IEEE Trans. Cir. Syst. II: Express Briefs, vol. 62, no. 4, pp. 362-366, Apr. 2015.
M. Y. Naderi, P. Nintanavongsa, and K. R. Chowdhury, "RF-MAC: a medium access control protocol for re-chargeable sensor networks powered by wireless energy harvesting," IEEE Trans. Wirel. Commun., vol. 13, no. 7, pp. 3926-3937, Jul. 2014.

상세보기
A. Dunkels, B. Gronvall, and T. Voigt, "Contiki - a lightweight and flexible operating system for tiny networked sensors," in Proc. IEEE LCN 2004, pp. 455-462, Tampa, FL, Nov. 2004.

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