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首页> 外文会议>IEEE Middle East and North Africa Communications Conference >Performance Evaluation of Linear Precoding mmWave Multi-User MIMO Systems with NYUSIM Channel Simulator
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Performance Evaluation of Linear Precoding mmWave Multi-User MIMO Systems with NYUSIM Channel Simulator

机译：NYUSIM信道模拟器对线性预编码mmWave多用户MIMO系统的性能评估

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摘要

In this paper, we evaluate the performance of the digital beamsteering (DBS) precoder in multi-user multiple-input multiple-output (MIMO) systems operating at mmWave frequencies. This evaluation is done using a 3-D mmWave statistical channel model developed based on outdoor extensive measurement in New York city. The NYUSIM channel simulator generates 3-D realistic statistical temporal and spatial parameters. The DBS performance is evaluated in terms of capacity achieved as a function of the number of users and compared with two classical precoders, namely, zero forcing (ZF) and conjugate beamforming (CB). The base station is equipped with three different antenna array configurations: uniform linear array, uniform square array and uniform rectangular array. Simulation results show that DBS can be realistically considered as an attractive precoder for mmWave multi-user MIMO system with tens of antennas at the base station; trading-off performance, low implementation complexity and less overhead.
机译：在本文中，我们评估了在毫米波频率下运行的多用户多输入多输出（MIMO）系统中数字波束控制（DBS）预编码器的性能。该评估是使用基于纽约市室外广泛测量开发的3-D mmWave统计通道模型进行的。 NYUSIM通道模拟器可生成3-D逼真的统计时间和空间参数。根据获得的容量（取决于用户数量）评估DBS性能，并与两种传统的预编码器（即零强制（ZF）和共轭波束形成（CB））进行比较。基站配备了三种不同的天线阵列配置：均匀线性阵列，均匀正方形阵列和均匀矩形阵列。仿真结果表明，对于基站具有数十个天线的mmWave多用户MIMO系统，DBS可以被视为一种有吸引力的预编码器。权衡性能，较低的实现复杂性和较少的开销。

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