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 demodulationdigital intermediate frequency (IF)software-defined radio (SDR)synchronizationWCDMA
 Summary | Full Text:PDF(791.2KB)

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)calibrationadaptive systems
 Summary | Full Text:PDF(586KB)

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 lineprogrammable QAM transceiverIIR notch filterdual loop AGClow power
 Summary | Full Text:PDF(872.4KB)