Huiming Wang Qinye Yin Le Ding Ke Deng Multiuser Carrier Frequency Offset Estimation for OFDMA Uplink with Generalized Carrier Assignment Scheme. 3277-3281 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.629 conf/globecom/2008 db/conf/globecom/globecom2008.html#WangYDD08