Patent ID: 8416885
Filing Date: 2013-04-09
Classification: H04B,H04L

Abstract:
1. An apparatus for data transmission, comprising: a resource element mapping unit for an antenna port mapping unit for an OFDM signal generator for a Cell-specific Reference Signal (CsRS) generator for a User-specific Reference Signal (UsRS) generator for wherein the antenna port mapping unit comprises a beamforming port mapping unit and a non-beamforming port mapping unit; wherein the resource element mapping unit is to receive the CsRS transmitted by the CsRS generator, to map the modulation symbols which comprise the CsRS and the data to be transmitted and which are allocated to the second group of antenna ports onto resource elements, and to transmit the modulation symbols to the non-beamforming port mapping unit; and wherein the resource element mapping unit is to receive the UsRS transmitted by the UsRS generator, to map the modulation symbols which comprise the UsRS and the data to be transmitted and which are allocated to the first group of antenna ports onto resource elements, and to transmit the modulation symbols to the beamforming port mapping unit.