发明名称 |
LOW-COMPLEXITY PRECODER DESIGN FOR LARGE-SCALE MIMO COMMUNICATION SYSTEMS |
摘要 |
A method and system are provided. The method includes providing transmit precoders for a multiple-input and multiple-output communication system having a plurality of transmit antennas. The plurality of transmit antennas are for forming, using precoding, a plurality of channels such that each of the plurality of channels are configurable to serve a respective one of a plurality of users. The providing step includes imposing a respective average transmit antenna power constraint on each of the plurality of transmit antennas. The providing step further includes determining a diagonal precoder responsive to applying column scaling to a downlink channel matrix having a plurality of rows and a plurality of columns. The providing step additionally includes generating, from the diagonal precoder, a weighted precoder in accordance with the respective average antenna power constraint by optimizing a weighted sum-rate obtained upon transmitting respective signals over the plurality of channels. |
申请公布号 |
WO2015031175(A1) |
申请公布日期 |
2015.03.05 |
申请号 |
WO2014US52213 |
申请日期 |
2014.08.22 |
申请人 |
NEC LABORATORIES AMERICA, INC. |
发明人 |
YUE, GUOSEN;PRASAD, NARAYAN;RANGARAJAN, SAMPATH;OYMAK, SAMET |
分类号 |
H04B7/06;H04L1/06 |
主分类号 |
H04B7/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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