Patent ID: 7872963
Filing Date: 2011-01-18
Classification: H04B,H04L

Abstract:
1. A Multiple Input Multiple Output (MIMO)—Orthogonal Frequency Division Multiplexing (OFDM) system comprising a transmitter with L transmit antennas, a receiver with M receive antennas, and an uplink feedback device for providing Information of the receiver to the transmitter, wherein the transmitter comprises: a serial/parallel converter for converting continuously inputted symbols of a number of subcarriers to K parallel signals; a signal reproducer for reproducing the K parallel signals by the L transmit antennas; an eigenmode generator for generating eigenbeams of the reproduced K parallel signals outputted from the signal reproducer at each subcarrier, based on N a plurality of inverse Fourier converters for receiving K signals outputted from the eigenmode generator and generating an OFDM symbol.