Capacity improvement through selection diversity for dual‐polarized antenna systems,International Journal of Communication Systems

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Capacity improvement through selection diversity for dual‐polarized antenna systems
International Journal of Communication Systems ( IF 1.7 ) Pub Date : 2020-10-04 , DOI: 10.1002/dac.4627
Hanho Wang ₁

Affiliation

In newly developed wireless communication systems, the millimeter wavelength frequency band and massive‐MIMO‐based beamforming technology provide a channel environment that supports multiplexing transmission using dual‐polarization antenna (DPA). In such a channel environment, a DPA system can transmit two independent data streams using the two orthogonal polarizations. However, random rotation angle (PRA) mismatch between the transmitting and receiving DPAs causes interference in cross‐polarization antenna, which can degrade the DPA system capacity. To solve the PRA mismatch problem, selection diversity is utilized in this paper, and the capacity gain and PRA mismatch reduction achieved by the selection diversity are mathematically analyzed. Previously, performance analyses have not been conducted on the selection diversity in DPA systems considering the random PRA mismatch in the conventional studies. Through the result of this study, the improved capacity and PRA mismatch reduction of the DPA system can be accurately calculated as the number of mobile terminals (MTs) available increases. Based on this analysis, five practical scheduling schemes corresponding to various types of channel feedbacks are proposed, and their performance is evaluated.

中文翻译：

通过选择多样性提高双极化天线系统的容量

在新开发的无线通信系统中，毫米波波长频带和基于大规模MIMO的波束成形技术提供了一个信道环境，该环境支持使用双极化天线（DPA）进行多路复用传输。在这样的信道环境中，DPA系统可以使用两个正交极化传输两个独立的数据流。但是，发送和接收DPA之间的随机旋转角（PRA）不匹配会导致交叉极化天线中的干扰，从而降低DPA系统的容量。为了解决PRA的不匹配问题，本文利用选择分集，并对通过选择分集实现的容量增益和PRA不匹配的减少进行了数学分析。先前，考虑到传统研究中随机PRA不匹配，尚未对DPA系统中的选择多样性进行性能分析。通过这项研究的结果，随着可用的移动终端（MT）数量的增加，可以准确地计算出DPA系统提高的容量和PRA不匹配的程度。基于此分析，提出了五种与各种类型的信道反馈相对应的实用调度方案，并对其性能进行了评估。

更新日期：2020-11-09

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