Changqing XU


Enabling a Uniform OpenCL Device View for Heterogeneous Platforms
Dafei HUANG Changqing XUN Nan WU Mei WEN Chunyuan ZHANG Xing CAI Qianming YANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/04/01
Vol. E98-D  No. 4  pp. 812-823
Type of Manuscript:  PAPER
Category: Fundamentals of Information Systems
Keyword: 
heterogeneous devicesOpenCLvirtualized single deviceautomated workload distributiondata transfer minimization
 Summary | Full Text:PDF(1.2MB)

Stealthy Mobile Phone Identity Catcher
Changqing XU Fan YANG Jin TENG Sumxin JIANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/03/01
Vol. E98-B  No. 3  pp. 494-501
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
stealthy IMSI catcherGSMman-in-the-middle attacks
 Summary | Full Text:PDF(1.7MB)

Hybrid Resource Allocation Scheme with Proportional Fairness in OFDMA-Based Cognitive Radio Systems
Li LI Changqing XU Pingzhi FAN Jian HE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/08/01
Vol. E95-A  No. 8  pp. 1430-1434
Type of Manuscript:  LETTER
Category: Communication Theory and Signals
Keyword: 
hybrid Cognitive Radio systemsOFDMAresource allocationproportional ratesdual methods
 Summary | Full Text:PDF(183.7KB)

Robust Linear Transmit/Receive Processing for Correlated MIMO Downlink with Imperfect CSI
Hao LI Changqing XU Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/09/01
Vol. E91-A  No. 9  pp. 2626-2636
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
MIMO downlinkimperfect CSIspatial fading correlationlinear transmit/receive processing
 Summary | Full Text:PDF(586.8KB)

Downlink Transmission Scheme for Wireless MIMO Broadcast Channels with Multiuser Diversity
Hao LI Changqing XU Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/08/01
Vol. E91-A  No. 8  pp. 2174-2182
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
multiple-input multiple-output (MIMO)broadcast channels (BC)dirty paper coding (DPC)multiuser diversity
 Summary | Full Text:PDF(854KB)