Patent ID: 7483719
Filing Date: 2009-01-27
Classification: H04B

Abstract:
1. A method for grouping N t number of transmission antennas and transmitting a relevant symbol to N r number of reception antennas by a base station in a mobile communication system which includes the base station having the N t number of transmission antennas and a mobile terminal having the N r number of reception antennas, the method comprising the steps of: receiving a first matrix having a size of ‘N generating combinations of sub-matrixes of the first matrix corresponding to the N determining combinations of the sub-matrices have a maximum value from among the calculated sums of eigenvalues to be transmission antenna groups for the N transmitting different relevant symbols from each other through the transmission antenna groups, and transmitting an equal relevant symbol though different transmission antennas in an equal transmission antenna group, wherein the combinations of the sub-matrices of the first matrix for the transmission antennas are obtained by measuring eigenvalues by a number of times calculated by,