[IEEE 2010 10th International Symposium on Communications and Information Technologies (ISCIT) - Tokyo, Japan (2010.10.26-2010.10.29)] 2010 10th International Symposium on Communications and Information Technologies - An efficient transform decomposition method for sparse input points DFT in multiple-carriers cognitive radio systemCui, Yun; Zhao, Zhifeng; Zhang, Honggang · 2010