作者: Sung Ho Park , Jin Young Chun , Ja Ho Koo , Seung Hyun Kang , Bin Chul Ihm
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摘要: The present invention relates to a wireless communication system, and provides method an apparatus for transmitting downlink reference signal in the system. enabling base station transmit terminal using layers of 8 or less accordance with one embodiment comprises steps of: data through domain sub frame; on fixed OFDM symbol frame, wherein is DRS (Dedicated Reference Signal) which demodulates less, separated into 1st 2nd groups, signals groups can be multiplexed CDM (Code Division Multiplexing) resource element, respectively.