Method of demodulating data on new type of carrier wave

摘要

A method of demodulating data according to an embodiment of the present invention is presented. The method of demodulating data may include: setting a terminal to be in a transmission mode of PDSCH to which transmission diversity is applied; receiving resource allocation information on the PDSCH by the terminal; transmitting downlink (DL) data onto the PDSCH to which the transmission diversity is applied, according to the resource allocation information; receiving, from a base station, information on the number of antenna ports used for receiving a reference signal that is used for demodulating the DL data; and receiving a reference signal used for demodulating the DL data. The reference signal may be generated based on the identifier of the terminal, and the number of antenna ports used for receiving the reference signal may be the same as the number of antenna ports used for receiving the PDSCH.

主权项

1. A data demodulation method comprising:
setting a terminal to a transmission mode of a physical downlink shared channel (PDSCH) to which a transmit diversity is applied; receiving resource allocation information of the PDSCH by the terminal; receiving downlink (DL) data on the PDSCH to which the transmit diversity is applied according to the resource allocation information; receiving information regarding the number of antenna ports used for reception of a reference signal used for demodulation of the DL data; receiving the reference signal; and demodulating the DL data using the reference signal, wherein the reference signal is generated based on an identifier of the terminal, and wherein the number of antenna ports used for reception of the reference signal is equal to the number of antenna ports used for reception of the PDSCH, wherein a sequence of the reference signal is generated byrns⁡(m)=12⁢(1-2·c⁡(2⁢⁢m))+j⁢12⁢(1-2·c⁡(2⁢⁢m+1)),⁢m=0,1,…⁢,12⁢⁢NRBPDSCH-1, where NRBPDSCH denotes a number of resource blocks of a corresponding PDSCH transmission, and C( ) denotes a pseudo random sequence.