Changchun ZHANG

Optimized Charge Pump and Nonlinear Phase Frequency Detector for a Ka-Band Phase-Locked Loop in 90-nm CMOS Process
Lu TANG Zhigong WANG Tiantian FAN Faen LIU Changchun ZHANG 
Publication Date: 2019/11/01
Vol. E102-C  No. 11  pp. 825-832
Type of Manuscript:  PAPER
Category: Electronic Circuits
PLLcharge pumpphase frequency detectorCMOS process
 Summary | Full Text:PDF(1.8MB)

Interference Alignment in Two-Cell LTE-Advanced Heterogeneous Networks
Fei YU Lu TANG Luxi YANG Changchun ZHANG Weiping ZHU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/01/01
Vol. E98-B  No. 1  pp. 126-133
Type of Manuscript:  Special Section PAPER (Special Section on Quality of Diversifying Communication Networks and Services)
heterogeneous networksinterference alignmenttwo-celldegree-of-freedom
 Summary | Full Text:PDF(1.2MB)