Yongchul SONG

An Efficient Software-Defined Radio Architecture for Multi-Mode WCDMA Applications
Jaesang LIM Yongchul SONG Jeongpyo KIM Beomsup KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3677-3680
Type of Manuscript:  LETTER
Category: General Fundamentals and Boundaries
Keyword: 
analog-to-digital converter (ADC), coherent demodulation, digital intermediate frequency (IF), software-defined radio (SDR), synchronization, WCDMA, 
 Summary | Full Text:PDF
Digital Calibration Techniques for Pipelined ADCs
Jeongpyo KIM Yongchul SONG Beomsup KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/12/01
Vol. E87-A  No. 12  pp. 3433-3435
Type of Manuscript:  LETTER
Category: Analog Signal Processing
Keyword: 
analog-digital converter (ADC), calibration, adaptive systems, 
 Summary | Full Text:PDF
A 300-mW Programmable QAM Transceiver for VDSL Applications
Hyoungsik NAM Tae Hun KIM Yongchul SONG Jae Hoon SHIM Beomsup KIM Yong Hoon LEE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/08/01
Vol. E87-C  No. 8  pp. 1367-1375
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
very-high-speed digital subscriber line, programmable QAM transceiver, IIR notch filter, dual loop AGC, low power, 
 Summary | Full Text:PDF