论文标题
多站点蜂窝网络中的高分辨率通道音频和参数估计
High-Resolution Channel Sounding and Parameter Estimation in Multi-Site Cellular Networks
论文作者
论文摘要
对于有效设计和部署蜂窝系统，需要准确了解真实环境中电磁传播特性。在本文中，我们展示了一种在实际网络部署中使用大量天线阵列估算高分辨率通道参数的方法。安装在车辆上的天线阵列用于接收来自相互干扰的相邻基站（BS）的下行长期进化（LTE）参考信号。多径成分的延迟和角度信息是用新型的细胞间干扰取消算法和RIMAX算法的扩展估计的。估计的高分辨率通道参数与车辆的运动模式和环境的几何形状一致，并允许精制的通道建模和精确的细胞定位。
Accurate understanding of electromagnetic propagation properties in real environments is necessary for efficient design and deployment of cellular systems. In this paper, we show a method to estimate high-resolution channel parameters with a massive antenna array in real network deployments. An antenna array mounted on a vehicle is used to receive downlink long-term evolution (LTE) reference signals from neighboring base stations (BS) with mutual interference. Delay and angular information of multipath components is estimated with a novel inter-cell interference cancellation algorithm and an extension of the RIMAX algorithm. The estimated high-resolution channel parameters are consistent with the movement pattern of the vehicle and the geometry of the environment and allow for refined channel modeling and precise cellular positioning.
