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A robust pre-coder design method for Cognitive Radio MIMO network

机译：一种坚固的认知无线电MIMO网络预编码器设计方法

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摘要

In this paper, we propose a robust pre-coder design method for Cognitive Radio Multi-Input Multi-Output (CRMIMO) system under the consumption that the channel state information (CSI) estimations are imperfect from secondary base station (SBS) to primary user (PU) and secondary user (SU). Due to the uncertainties of the channel estimation error, both the outage probability of the received SNR of SU and the outage probability of the interference of PU are considered in pre-coder design to minimize the total transmitted power of secondary base station. The Karush-Kuhn-Tucker conditions of the proposed pre-coder scheme are analyzed as well. Simulation results show the effectiveness of the proposed pre-coder scheme.
机译：在本文中，我们提出了一种强大的预编码器设计方法，用于认知无线电多输入多输出（CRMIMO）系统，因为频道状态信息（CSI）估计从辅基站（SBS）到主用户不完美（PU）和辅助用户（SU）。由于信道估计误差的不确定性，所接收的SU的停电概率和PU的干扰的停电概率在预编码器设计中考虑，以最小化辅基站的总透射功率。分析了所提出的预编码器方案的Karush-Kuhn-Tucker条件。仿真结果表明了提出的预编码器方案的有效性。

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