HSDPA中收发端损伤对MIMO性能的影响

Ericsson Research IStockholm, S. Grant, E. Larsson, Feng Zhu
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引用次数: 35

摘要

在这篇文章中,我们研究了发射机和接收机损伤对HSDPA系统中MIMO和64 QAM传输吞吐量的影响。一个简单的加性高斯白噪声模型被用来模拟发送和接收链中的损伤。研究通过计算机模拟在链路和系统层面进行。研究发现,对于使用16 QAM的MIMO,发送端和接收端失真的影响相当小,而使用64 QAM的MIMO影响更为明显。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of transmitter and receiver impairments on the performance of MIMO in HSDPA
In this contribution we study the impact of transmitter and receiver impairments on the throughput for MIMO and 64 QAM transmissions in an evolved HSDPA system. A simple additive white Gaussian noise model is used to model impairments in the transmitter and receiver chain. The investigation is performed through computer simulations both on link and system level. It is found that the impact from transmitter and receiver distortions is rather small for MIMO with 16 QAM while the impact when 64 QAM is used is more pronounced.
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