Search Results - "Jungyub Lee"

Miniaturized Antennas With Reduced Hand Effects in Mobile Phones Using Magneto-Dielectric Material by Lee, Jungyub, Lee, Juhyang, Min, Kihong, Cheon, Yonghun

“…In this letter, magneto-dielectric (MD) material is proposed to reduce the antenna volume without significant performance degradation and mitigate the…”
Get full text

Design of Small Antennas for Mobile Handsets Using Magneto-Dielectric Material by LEE, Jungyub, HEO, Jeongkyu, LEE, Joonghee, HAN, Youngho

“…This communication presents practical implementations of small antennas using magneto-dielectric (MD) materials. We first describe the manufacturing process of…”
Get full text

Quad-Band Monopole Antenna Including LTE 700 MHz With Magneto-Dielectric Material by Yonghun Cheon, Jungyub Lee, Joonghee Lee

“…A magneto-dielectric (MD) material, which has allowably low magnetic loss and moderate permeability for the wireless communication band, is presented. A…”
Get full text

BLEmesh: A Wireless Mesh Network Protocol for Bluetooth Low Energy Devices by Hyun-Soo Kim, Jungyub Lee, Ju Wook Jang

“…Bluetooth Low Energy is a highly adopted and anticipated communication solution for the Internet of Things. However, the restriction of data communication…”
Get full text

Passive repeater for removal of blind spot in NLOS path for 5G fixed wireless access (FWA) system by Dohyuk Ha, Dongkyu Choi, Hyunjin Kim, JunSig Kum, Jungyub Lee, YoungJu Lee

“…This paper presents an approach to improve the link budget in a non-line-of-sight (NLOS) path between a base station (BS) and a customer premises equipment…”
Get full text

Reducing effects of hand phantom on mobile antennas using magneto-dielectric material by Jungyub Lee, Juhyang Lee, Kihong Min, Yonghun Cheon, Seungkee Yang

“…In this paper, a practical application of the magneto-dielectric (MD) materials to the mobile handset antennas is presented. The polymer MD composites with the…”
Get full text

Low-charged battery compatible harmonic reflector integrated in a mobile device for detection of trapped victims by Dohyuk Ha, Junsig Kum, Jungyub Lee, Youngju Lee

“…This paper presents a harmonic reflector integrated in a mobile device for detection of trapped victims. With no power consumption, the module consisting of an…”
Get full text

Dome-Shaped mmWave Lens Antenna Optimization for Wide-Angle Scanning and Scan Loss Mitigation Using Geometric Optics and Multiple Scattering by Youn, Youngno, Choi, Jaehong, Kim, Daehyeon, Omar, Ahmed Abdelmottaleb, Choi, Jaehyun, Chang, Suho, Yoon, Inseop, Ko, Seung-Tae, Lee, Jungyub, Lee, Youngju, Akinsolu, Mobayode O., Liu, Bo, Hong, Wonbin

“…This paper presents a new accurate and efficient design methodology for complex integrated lens antenna (ILA), to achieve wide-angle beam coverage with scan…”
Get full text

PSO-aided ILA Methodology for Hemispherical Beam Coverage and Scan Loss Mitigation by Youn, Youngno, Choi, Jaehong, Kim, Daehyeon, Omar, Ahmed Abdelmottaleb, Choi, Jaehyun, Yoon, Inseop, Ko, Seung-Tae, Lee, Jungyub, Lee, Youngju, Hong, Wonbin

“…This paper proposes an accurate and efficient integrated lens antenna (ILA) concept and design methodology for extraordinary beam coverage and scan loss…”
Get full text

Designing antenna booster cases for mobile phones using capacitive coupling techniques by Lee, Jungyub, Kum, Junsig, Ha, Dohyuk, Lee, YoungJu

“…Additional antenna elements are designed on the flip cover of the mobile phones to boost the radiation performance of the mobile antennas. We used the…”
Get full text