Seoshin Kwack Hanbyeol Seo Byeong Gi Lee Suitability-Based Subcarrier Allocation for Multicast Services Employing Layered Video Coding in Wireless OFDM Systems. 1752-1756 2007 conf/vtc/2007f VTC Fall http://dx.doi.org/10.1109/VETECF.2007.370 db/conf/vtc/vtc2007f.html#KwackSL07