A Partial MRT algorithm for Closed-Loop Spatial Multiplexing Systems with Transmit Antenna Selection

摘要：

The paper investigates closed-loop spatial multiplexing systems with transmit antenna selection. Since the bandwidth limit of feedback channel, a partial MRT algorithm is proposed to reduce the amount of feedback information. An improved water-filling power allocation algorithm is obtained for optimal power allocation. The proposed method can not only reduce the amount of feedback, but also fully exploit potential multiplexing capability of the channel. Simulation results show that transmit antenna selection can compensate the loss caused by imperfect CSI at the transmitter.

关键词： closed-loop spatial multiplexing transmit antenna selection transmit beamforming maximal-ratio transmission

作者: Yaolin Zhu Yong Fang Junhua Wang

作者单位: School of Communication and Information Engineering Shanghai University Shanghai,China

会议类型: 国际会议

会议名称: 第二届IEEE无线通讯、网络技术暨移动计算国际会议

会议地点: 武汉

会议语种:英文

在线出版日期: 2006-09-01（万方平台首次上网日期，不代表论文的发表时间）