Qingchun CHEN


Joint Time-Frequency Diversity for Single-Carrier Block Transmission in Frequency Selective Channels
Jinsong WU Steven D. BLOSTEIN Qingchun CHEN Pei XIAO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 1912-1920
Type of Manuscript:  Special Section PAPER (Special Section on Signal Design and Its Applications in Communications)
Category: Mobile Information Network
Keyword: 
linear dispersion codesOFDMdiversity orderfrequency domain equalizationcyclic-prefixzero-paddingcarrier frequency offsetsMMSElow complexityfrequency selective channelsLDC-SCMLTC-SCM
 Summary | Full Text:PDF(1.2MB)

A Novel SNR Estimation Technique Associated with Hybrid ARQ
Qingchun CHEN Pingzhi FAN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2895-2909
Type of Manuscript:  PAPER
Category: Communication Theory and Signals
Keyword: 
SNR estimationaccumulative observed noisy signal sequence (AONSS)differential observed noisy signal sequence (DONSS)generalized Cramer-Rao lower bound (GCRLB)hybrid ARQ
 Summary | Full Text:PDF(1.2MB)