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Search : "[ author: Won-cheol Lee ]" (17)

Study Growth Environmental Monitoring and Controlling Platform for Hydroponic

In-won Yeon Won-cheol Lee
Vol. 41, No. 9, pp. 1132-1140, Sep. 2016

A Study on Experiment of Transmission Power Assignment for Indoor TVWS Wireless Communication System

Deok-won Yun Hyung-min Chang Won-cheol Lee
Vol. 38, No. 10, pp. 851-860, Oct. 2013

A Study on UWB Ranging and Positioning Technique using Common Clock

Jae-wook Park Yong-sung Choi Soon-woo Lee Won-cheol Lee
Vol. 35, No. 12, pp. 1128-1135, Dec. 2010

Indoor Wireless Location Estimation Method with considering Wireless Synchronization and Clock Offset

Jae-wook Park Yong-sung Choi Ji-myung Kang Won-cheol Lee
Vol. 35, No. 10, pp. 915-921, Oct. 2010

A Study of Radio Wave Propagation Criterion for the Cognitive Radio System using Interference Analysis in Broadcasting Band

Joo-Pyoung Choi Vo Quoc Duy Won-Cheol Lee
Vol. 34, No. 12, pp. 1014-1022, Dec. 2009

Multi-band CIC Filter based Low Complexity Spectrum Sensing Method

Su Bok Lee Joo-pyoung Choi Won-cheol Lee
Vol. 34, No. 10, pp. 992-1000, Oct. 2009

A Tone Injection PAPR Reduction Method using Multi-objective Optimization based on Weighted-sum Genetic Algorithm

Soonkyu Park Won-cheol Lee
Vol. 34, No. 2, pp. 217-225, Feb. 2009

A Digital Up-Down Conversion for Wibro Repeater using IIR Filters having Almost Linear Phase Response

Hyung-min Chang Won-cheol Lee
Vol. 34, No. 2, pp. 209-216, Feb. 2009

Genetic Algorithm based Tone Injection PAPR Reduction

Soonkyu Park Joo-pyoung Choi Won-cheol Lee
Vol. 34, No. 1, pp. 98-104, Jan. 2009

Impulse Based TOA Estimation Method Using Non-Periodic Transmission Pattern in LR-WPAN

Woon-Yong Park Cheol-Ung Park Yun-Gi Hong Sungsoo Choi Won-Cheol Lee

Vol. 33, No. 4, pp. 352-360, Apr. 2008

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