Search Results - "Lee Bomson"

Dual-Band Circularly Polarized Microstrip RFID Reader Antenna Using Metamaterial Branch-Line Coupler by JUNG, Youn-Kwon, LEE, Bomson

“…A dual-band circularly polarized aperture coupled microstrip RFID reader antenna using a metamaterial (MTM) branch-line coupler has been designed, fabricated,…”
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Design of Wireless Power and Information Transfer Systems Considering Figure of Merit for Information by Kim, Gunyoung, Lee, Bomson

“…Inductively coupled resonant wireless power transfer (WPT) systems can be used as a wireless power and information transfer (WPIT) system by properly adding…”
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Design of Thin and Wideband Microwave Absorbers Using General Closed-Form Solutions by Lyou, Myungwan, Kim, Gunyoung, Lee, Bomson

“…A new design method for RLC reactive absorbers is presented. This method is based on closed-form solutions to help realize the widest absorption bandwidth for…”
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Design of Thin RC Absorbers Using a Silver Nanowire Resistive Screen by Bomson Lee, Junho Lee

“…A resistive and capacitive (RC) microwave absorber with a layer thickness less than a quarter of a wavelength is investigated based on closed-form design…”
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Digitally-Controlled Bondwire Inductor with High Quality Factor and Wide Tuning Range by Lee, Yonggoo, Lee, Bomson

“…A tunable bondwire inductor (TBI) with high-quality factor and wide tuning range is presented. The proposed TBI is fabricated on a single chip by combining a…”
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Design of Wideband Microwave Absorbers Using Reactive Salisbury Screens with Maximum Flat Reflection by Kim, Gunyoung, Kim, Sanghoek, Lee, Bomson

“…This paper presents a design methodology for wideband single-layered microwave absorbers with arbitrary absorption at the design center frequency using…”
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Synthesis of Bulk Medium with Negative Permeability Using Ring Resonators by Bomson Lee, Gunyoung Kim

“…This paper presents simple expressions for the effective permeability of bulk metamaterial consisting of ring resonators (RRs) or split ring resonators (SRRs)…”
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Analysis of Efficiencies for Multiple-Input Multiple-Output Wireless Power Transfer Systems by Bomson Lee, Sejin Kim

“…Wireless power transfer (WPT) efficiencies for multiple-input multiple-output (MIMO) systems are formulated with a goal of achieving their maximums using Z…”
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A Long-Range UHF-Band Passive RFID Tag IC Based on High- Q Design Approach by Lee, Jong-Wook, Lee, Bomson

“…We present a fully integrated long-range UHF-band passive radio-frequency-identification tag chip fabricated in 0.35-mum CMOS using titanium…”
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Alternative Expressions for Mutual Inductance and Coupling Coefficient Applied in Wireless Power Transfer by Bomson Lee, Gunyoung Kim

“…Alternative analytic expressions for the mutual inductance (Lm) and coupling coefficient (k) between circular loops are presented using more familiar and…”
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Control of Power Distribution for Multiple Receivers in SIMO Wireless Power Transfer System by Kim, Gunyoung, Boo, Seunghyun, Kim, Sanghoek, Lee, Bomson

“…A method to control the power distribution among receivers by the load values in a single-input, multiple-output (SIMO) wireless power transfer (WPT) system is…”
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Inductively Coupled Compact RFID Tag Antenna at 910 MHz With Near-Isotropic Radar Cross-Section (RCS) Patterns by Ahn, J., Hyungmin Jang, Hyosang Moon, Jong-Wook Lee, Lee Bomson

“…This letter presents a compact (0.12 x 0.14lambda) RFID tag antenna which has near-isotropic radar cross-section (RCS) patterns and easy conjugate impedance…”
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Erratum to "Analysis of Efficiencies for Multiple-Input Multiple-Output Wireless Power Transfer Systems" by Kim, Sejin, Lee, Bomson

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Wireless Power Transfer Efficiency Formula Applicable in Near and Far Fields by Kim, Yongwook, Boo, Seunghyun, Kim, Gunyoung, Kim, Namyoon, Lee, Bomson

“…Microwave-based wireless power transfer in the near field (up to about 10 m) is now drawing much interest since the transfer range when using current magnetic…”
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A Long-Range UHF-Band Passive RFID Tag IC Based on High-[Formula Omitted] Design Approach by Jong-Wook Lee, Jong-Wook Lee, Bomson Lee, Bomson Lee

“…[...] the Schottky diodes exhibited low-resistive loss, and a high-Q -factor design approach was exploited to achieve a long read range for the tag integrated…”
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Optimization of Excitation Magnitudes and Phases for Maximum Efficiencies in a MISO Wireless Power Transfer System by Lee, Hyeongwook, Boo, Seunghyun, Kim, Gunyoung, Lee, Bomson

“…This paper presents a method for solving receiver misalignment (axial or angular) problems in wireless power transfer systems using a multiple-input…”
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Investigation of Single-Input Multiple-Output Wireless Power Transfer Systems Based on Optimization of Receiver Loads for Maximum Efficiencies by Kim, Sejin, Hwang, Sungyoun, Kim, Sanghoek, Lee, Bomson

“…In this paper, the efficiency of single-input multiple-output (SIMO) wireless power transfer systems is examined. Closed-form solutions for the receiver loads…”
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Design of S-Band Phased Array Antenna with High Isolation Using Broadside Coupled Split Ring Resonator by Hwang, Sungyoun, Lee, Bomson, Kim, Dong Hwan, Park, Joon Young

“…In this paper, a method of designing a Vivaldi type phased array antenna (PAA) which operates at S-band (2.8–3.3 GHz) is presented. The presented antenna uses…”
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Design of Metamaterial-Inspired Wideband Absorber at X-Band Adopting Trumpet Structures by Beom-Kyu Kim, Bomson Lee

“…This letter presents two types of metamaterial-inspired absorbers adopting resistive trumpet structures at the X band. The unit cell of the first typeis…”
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Design Method for Negative Group Delay Circuits Based on Relations among Signal Attenuation, Group Delay, and Bandwidth by Jung, Youn-Kwon, Lee, Bomson

“…Typical negative group delay circuits (NGDC) are analyzed in terms of signal attenuation, group delay, and bandwidth using S-parameters. By inverting these…”
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