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Do-Hee Lee - IEEE Xplore Author Profile
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Do-Hee Lee

Publications
1
Citations
9
Publications by Year
20212021
Co-Authors:
Show All Co-Authors (6)
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Do-Hee Lee

Affiliation

IoT Convergence Technology Solution Company (STL), Ulsan, South Korea

Publication Topics

Biography

Do-Hee Lee received the B.S. degree in electrical engineering from the University of Ulsan, in 2007, under the supervision of Prof. Byungwoo Kim. He is currently a Chief Executive Officer (CEO) at STL Company Ltd., an IoT convergence technology solution company. He conducted research on the IoT technology and sensor control using LTE communication.(Based on document published on 20 July 2021).
Publications
1
Citations
9
Publications by Year
20212021
Co-Authors:
Show All Co-Authors (6)
Author's Published Works

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Least squares approximation-based ROM-free direct digital frequency synthesizer

Ching-Hua Wen;Huai-Yi Hsu;Hung Yang Ko;An-Yeu Wu

2004 IEEE International Symposium on Circuits and Systems (ISCAS)
Year: 2004 | Conference Paper |
This paper describes a new design approach and an architecture for a direct digital frequency synthesizer (DDFS) based on least square (LS) approximation. It is shown that the architecture can be implemented as a low-cost, low-power, feedforward, and easily pipelineable datapath. A prototype IC has been designed and fabricated in TSMC 0.25 /spl mu/m CMOS technology. The IC produces 14-bit sine and...Show More

Least squares approximation-based ROM-free direct digital frequency synthesizer

Ching-Hua Wen;Huai-Yi Hsu;Hung Yang Ko;An-Yeu Wu

Year: 2004 | Conference Paper |

Implementation of a programmable 64/spl sim/2048-point FFT/IFFT processor for OFDM-based communication systems

Jen-Chih Kuo;Ching-Hua Wen;An-Yeu Wu

2003 IEEE International Symposium on Circuits and Systems (ISCAS)
Year: 2003 | Conference Paper |
Cited by: Papers (8)
Orthogonal Frequency Division Multiplexing (OFDM) system is famous for its robustness against frequency selective fading channel. The Fast Fourier Transform (FFT) and Inverse FFT (IFFT) processor ire used as the modulation/demodulation kernel in the OFDM systems. The sizes of FFT/IFFT processors are varied in the different applications of OFDM systems. In this paper, we design and implement a prog...Show More

Implementation of a programmable 64/spl sim/2048-point FFT/IFFT processor for OFDM-based communication systems

Jen-Chih Kuo;Ching-Hua Wen;An-Yeu Wu

Year: 2003 | Conference Paper |

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