Hiroyuki Miyashita Mamiko Inamori Yukitoshi Sanada Teruji Ide IQ Imbalance Estimation Scheme with Intercarrier Interference Self-Cancellation Pilot Symbols in OFDM Direct Conversion Receivers. 1-5 2012 VTC Spring https://doi.org/10.1109/VETECS.2012.6239943 conf/vtc/2012s db/conf/vtc/vtc2012s.html#MiyashitaISI12