公开(公告)号：US20120087346A1

公开(公告)日：2012-04-12

申请号：US13375461

申请日：2010-06-29

申请人： Dae Won Lee ,  Roh Dong Wook ,  Kang Byeong Woo ,  Noh Yu Jin ,  Kim Byoung Hoon ,  Kim Bong Hoe

发明人： Dae Won Lee ,  Roh Dong Wook ,  Kang Byeong Woo ,  Noh Yu Jin ,  Kim Byoung Hoon ,  Kim Bong Hoe

IPC分类号： H04W72/04

CPC分类号： H04B7/0434 ,  H04B7/0473

摘要： The present application discloses a method for transmitting a downlink signal in a multi-antenna wireless communication system. In detail, the method comprises: a step of mapping a signal of a codeword domain to a signal of a layer domain; a step of mapping the signal of the layer domain to a signal of a virtual antenna port domain using a precoding matrix; and a step of transmitting the signal of the virtual antenna port domain to a physical antenna port, wherein the precoding matrix is changed in a channel measurement unit, and the signal of the layer domain is layer-permutated in the channel measurement unit. Preferably, the channel measurement unit is constituted by one or more resource blocks (RBs).

摘要翻译： 本申请公开了一种用于在多天线无线通信系统中发送下行链路信号的方法。 详细地，该方法包括：将码字域的信号映射到层域的信号的步骤; 使用预编码矩阵将层域的信号映射到虚拟天线端口域的信号的步骤; 以及将所述虚拟天线端口域的信号发送到物理天线端口的步骤，其中，所述预编码矩阵在信道测量单元中改变，并且所述层域的信号在所述信道测量单元中被层排列。 优选地，信道测量单元由一个或多个资源块（RB）构成。