@conference{EURECOM+1674, author = {Kobayashi, Mari and Caire, Giuseppe and Gesbert, David}, title = {Opportunistic beamforming vs. space time coding in a queued downlink}, booktitle = {IST Summit 2005, 14th Mobile \& Wireless Communication Summit, June 19-23, 2005, Dresden, Germany}, year = {2005}, editor = {EURASIP}, address = {Dresden}, note = {© EURASIP. Personal use of this material is permitted. The definitive version of this paper was published in IST Summit 2005, 14th Mobile \& Wireless Communication Summit, June 19-23, 2005, Dresden, Germany and is available at :}, }