Patent ID: 7630356

Claim:
A method for enabling downlink transmission in a MIMO enabled OFDM system from a base station to at least one wireless terminal, the method comprising: establishing a three dimensional frame, the three dimensional frame including: a first dimension including a plurality of rows, at least one of the plurality of rows designated by a subchannel; a second dimension including a plurality of columns, at least one of the plurality of columns designated by an OFDMA symbol; a third dimension including a plurality of layers; the base station transmitting to the at least one wireless terminal: a location of a region within the three dimensional frame expressed by an OFDMA symbol offset, a subchannel offset, and at least one of the plurality of layers; the base station transmitting to the at least one wireless terminal for each of the plurality of layers: a transmission profile; and an identifier for identifying a connection between the base station and the at least one wireless terminal.