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相关信道下基于功率分配的MIMO系统容量分析
MIMO 信道容量 注水算法 相关系数
2022/3/23
采用信道矩阵的分解、奇异值扩展等方法，从天线上的功率分配与信道的相关性这两个角度分析多输入多输出（MIMO）系统信道的相关性和容量。通过仿真分析，发现不同的天线相关程度和功率分配算法的作用是不同的。注水算法能在一定程度上弥补信道相关性所带来的容量损失。而且，当信噪比增大到一定程度时，注水算法的效果越来越接近平均分配算法。
Joint Unitary Triangularization for MIMO Networks
Joint Unitary Triangularization MIMO Networks
2011/2/24
This work considers communication networks where
individual links can be described as MIMO channels. Unlike orthogonal modulation methods (such as the singular-value decomposition),we allow interfere...
Compressed Sensing for Feedback Reduction in MIMO Broadcast Channels
Compressed Feedback Reduction MIMO Broadcast Channels
2011/2/28
We propose a generalized feedback model and compressive sensing based opportunistic feedback
schemes for feedback resource reduction in MIMO Broadcast Channels under the assumption that both uplink a...
Pair-wise Markov Random Fields Applied to the Design of Low Complexity MIMO Detectors
Pair-wise Markov Random Fields Design Low Complexity MIMO Detectors
2010/11/24
Pair-wise Markov random fields (MRF) are considered for application to the development of low complexity, iterative MIMO detection. Specifically, we consider two types of MRF, namely, the fully-conne...
Interference Alignment Through User Cooperation for Two-cell MIMO Interfering Broadcast Channels
Two-cell MIMO Interfering Broadcast Channels
2010/11/22
This paper focuses on two-cell multiple-input multiple-output (MIMO) Gaussian interfering broadcast channels (MIMO-IFBC) with $K$ cooperating users on the cell-boundary of each BS. It corresponds to a...
Degrees of Freedom Regions of Two-User MIMO Z and Full Interference Channels: The Benefit of Reconfigurable Antennas
Degrees of Freedom Regions Two-User MIMO Z Full Interference Channels
2010/11/15
We study the degrees of freedom (DoF) regions of two-user multiple-input multiple-output (MIMO) Z and full interference channels in this paper. We assume that the receivers always have perfect channel...
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
Robust Beamforming for Security MIMO Wiretap Channels
2010/12/3
In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper.
Cooperative Feedback for MIMO Interference Channels
Cooperative Feedback MIMO Interference Channels
2010/12/8
Multi-antenna precoding effectively mitigates the interference in wireless networks. However, the precoding efficiency can be significantly degraded by the overhead due to the required feedback of cha...