Superposition based direct downlink channel state information feedback method

Superposition based direct downlink channel state information feedback method

A low cost, real-time feedback method for downlink channel state information （DL-CSI） was proposed. DL-CSI was superimposed with uplink user sequences （UL-US） before transmission and thus exclusive occupation of system resources could be avoided. With guaranteed UL-US SER performance and DL-CSI esti...

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Bibliographic Details
Main Authors: XU Dao-feng 1, HUANG Yong-ming1, YANG Lv-xi1
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2009-01-01
Series:Tongxin xuebao
Subjects:
mutiuser
MIMO
feedback
downlink channel state information
SDMA
FDD
Online Access:http://www.joconline.com.cn/zh/article/74651591/
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