Xiang Zhao Myoung Seob Lim A Novel Synchronization Scheme for OFDM WLANs Using Cyclic-Shifted Preamble. 23-28 2006 conf/iscc/2006 ISCC http://doi.ieeecomputersociety.org/10.1109/ISCC.2006.14 db/conf/iscc/iscc2006.html#ZhaoL06