带不完美发射端信息的衰落 MIMO 广播信道容量
信息论
2007-07-13 v1 math.IT
摘要
考虑一个衰落广播信道，其中发射端使用两天线，两个接收端分别使用单天线。结果表明，即使信道衰落的实现精确已知接收端，若发射端仅知道信道衰落的实现（而非精确），则在高信噪比 (SNR) 下的吞吐量会大幅降低。这些结果是通用的，不局限于无记忆高斯衰落。
引用
@article{arxiv.cs/0605079,
title = {On the Capacity of Fading MIMO Broadcast Channels with Imperfect Transmitter Side-Information},
author = {Amos Lapidoth and Shlomo Shamai and Michele Wigger},
journal= {arXiv preprint arXiv:cs/0605079},
year = {2007}
}
备注
Extended version of a paper of the same title that appeared in the Proceedings of the 43rd Annual Allerton Conference on Communication, Control, and Computing, Sept. 28-30, 2005