Title: Spectral Mask and Preliminary Field Trials of a COFDM Modem Document Number: IEEE 802.16.3c-01/44 URL: <http://ieee802.org/16/tg3/contrib/802163c-01_44.pdf> Source: Jonathan Labs <mailto:jlabs@wavesat.com>, Yvon Belec, J. Pierre Lamoureux, Stephan Leclerc, Rainer Ullmann, Donovan Young, Xiaode Yu