Feng Shu, Junhui Zhao, Xiaohu You, Michael Mao Wang, Qian Chen, Stevan M. Berber. An efficient sparse channel estimator combining time-domain LS and iterative shrinkage for OFDM systems with IQ-imbalances. Science in China Series F: Information Sciences, 55(11):2604-2610, 2012. [doi]
Abstract is missing.