20120020423 | TRANSMISSION SCHEME FOR MULTIPLE-INPUT COMMUNICATION - Method for transmitting and receiving signals over at least one channel between at least one transmitter and at least one receiver, the channel comprising at least one group of sub-channels, the group comprising at least one sub-channel, including the procedures of estimating at least one line characteristic of the channel and selecting a transmission scheme for each group of the at least one group of sub-channels according to the estimated line characteristic, wherein the transmission scheme is selected between a single spatial stream transmission scheme and a multiple spatial stream transmission scheme. | 01-26-2012 |