Xiaoqi Yang 0003 Qilong Zheng Guoliang Chen 0001 Zhen Yao 138-143 2006 conf/pdcat/2006 PDCAT https://doi.org/10.1109/PDCAT.2006.94 https://doi.ieeecomputersociety.org/10.1109/PDCAT.2006.94 db/conf/pdcat/pdcat2006.html#YangZCY06