| 摘要 |
<p>PURPOSE: A transmission method in a multiple antenna system for reducing time delay is provided to supply a multiple antenna system service corresponding to variable channel environment by transmitting a CDD indicator in a lower level. CONSTITUTION: A transmission method in a multiple antenna system for reducing time delay is as follows. Downlink scheduling information is transmitted to the terminal through PDCCH(Physical Downlink Control Channel)(S220). The downlink data according to the CCD indicator and the precoding matrix is transmitted to the terminal through PDSCH(Physical Downlink Shared Channel)(S230). The down link scheduling information includes the CDD pointer and PMI(Precoding Matrix Indicator). The CDD pointer indicates whether to support a CDD(Cyclic Delay Diversity) of the multiple antenna.</p> |
