The Gaussian free space optical MIMO channel with Q-ary pulse position modulation. - Nick Letzepis; Ian D. Holland; William G. Cowley (IEEE Trans. Wirel. Commun., 2008)

Practical multiple-antenna solutions for enhancing adaptive OFDM performance in mm-wave WPANs. - Ian D. Holland; Leonard T. Hall; William G. Cowley (Int. J. Commun. Syst., 2010)