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A combined blind beamforming and interference cancellation for a smart antenna system in MC-CDMA base station

机译:MC-CDMA基站中智能天线系统的组合盲波束成形和干扰消除

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In this paper, we propose a simple antenna array-based MC-CDMA receiver that combines efficient blind adaptive beamforming based on maximum signal-to-interference-and-noise ratio (MSINR) criterion with parallel interference cancellation (PIC) for an MC-CDMA uplink system. The beamformer is used to enhance the desired signal and reduce the co-channel interference from other directions. For in-beam multiple access interference (MAI) cancellation, a PIC detector is used. Simulation results show that the proposed receiver can efficiently reject in-beam MAI even when one of the arrival angles is the same as that of the desired user.
机译:在本文中,我们提出了一种基于天线阵列的简单MC-CDMA接收机,该接收机结合了基于最大信噪比(MSINR)准则的有效盲自适应波束成形与针对MC-CDMA的并行干扰消除(PIC)的组合CDMA上行系统。波束形成器用于增强所需信号并减少来自其他方向的同信道干扰。为了消除光束中的多址干扰(MAI),使用了PIC检测器。仿真结果表明,即使其中一个到达角与期望用户的到达角相同,所提出的接收机也可以有效地拒绝波束内MAI。

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