Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Ho-Yong Kang"'
Publikováno v:
Molecular Crystals and Liquid Crystals. 644:137-144
Polymer dispersed liquid crystal (PDLC) has been developed for a light shutter due to the advantage of high transmittance. To achieve high transmittance in PDLC's transparent mode and high opacity ...
Publikováno v:
FNC/MobiSPC
In this paper, system requirements to implement efficient underground IoT systems are overviewed, and novel manhole-cover shaped antenna is proposed. To verify its performance, the antenna prototype is designed for 900MHz-band operation, and it provi
Publikováno v:
Journal of the Institute of Electronics and Information Engineers. 53:57-63
Publikováno v:
Procedia Engineering. 148:702-709
Infestation of pests on the field crops has resulted losses on its productivity yearly. Moreover, over usage of pesticides has also affected consumer's health as pesticides residues are detected inside the post-harvested crops. Therefore, the aim of
Autor:
Youn-Seon Jang, Ho-Yong Kang
Publikováno v:
Journal of Sensor Science and Technology. 24:331-341
Publikováno v:
Analog Integrated Circuits and Signal Processing. 74:577-584
This paper presents the design and experimental results of image-rejection (IR) receiver front-end for 2.4-GHz band applications. The proposed IR-receiver front-end integrates a third-order active notch filter into each of conventional cascode low no
Autor:
Dae-Young Yoon, Nae-Soo Kim, J. A. Cartwright, Sang-Gug Lee, Chang-Jin Jeong, Dong-Sam Ha, Ho-Yong Kang, Seok-Kyun Han
Publikováno v:
IEEE Journal of Solid-State Circuits. 47:2405-2419
A new wake-up receiver is proposed to reduce energy consumption and latency through adoption of two different data rates for the transmission of wake-up packets. To reduce the energy consumption, the start frame bits (SFBs) of a wake-up packet are tr
Publikováno v:
Analog Integrated Circuits and Signal Processing. 68:69-76
This paper presents the design and experimental results of a low-power multi-band RF receiver including a multi-band low-noise amplifier (LNA) and a down-conversion mixer based on the IEEE 802.15.4 standard for sensor node applications. A multi-band
Publikováno v:
Microwave and Optical Technology Letters. 52:163-166
This article presents the design and experimental results of a low-power dual-band RF receiver front-end including a dual-band low-noise amplifier (LNA) and a downconversion mixer based on the IEEE 802.15.4 standard for sensor node applications. A du
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 18:632-641
This paper is concerned with the development of the piezoelectric energy harvesting(PEH) device for ubiquitous sensor node(USN). The USN needs auxiliary power to lengthen its operational life. In this study, the piezoelectric energy harvesting system