Title: Comparison of QPSK/QAM, OFDM, and Spread Spectrum for 5-6 GHz PMP BWAS Document Number: IEEE 802.16hc-00/06 URL: <http://ieee802.org/16/human/contrib/80216hc-00_06.pdf> Source: Malcolm Sellars <mailto:msellars@adaptivebroadband.com> Demos Kostas <mailto:dkostas@adaptivebroadband.com>