ABSTRACT

Throughout the past few decades, advancements in global navigation satellite systems (GNSS), such as the Global Positioning System (GPS), have resulted in real-time planimetric accuracy at the centimetre level, whether achieved using Real-Time Kinematic (RTK) or Real-Time Network (RTN) approaches. This study examines and characterizes the performance of RTK and RTN solutions at three test sites in Los Angeles County, California, in the United States of America. The solutions were characterized to examine the dispersion of vertical measurements in the context of different environments. The results from this study suggest that both methods have advantages and drawbacks; in particular, the data showed that the distribution and density of the network stations, cellular network coverage and environmental dynamics have significant impacts on RTN vertical precision, where the vertical precision for the RTN measurements were observed to be 2–4 times lower in comparison to the RTK measurements.

摘要

在过去的几十年中，全球导航卫星系统 (GNSS) 的进步，例如全球定位系统 (GPS)，无论是使用实时运动学 (RTK) 还是使用实时运动学 (RTK) 或实时网络 (RTN) 方法。本研究在美国加利福尼亚州洛杉矶县的三个测试站点检查并描述了 RTK 和 RTN 解决方案的性能。这些解决方案的特点是在不同环境的背景下检查垂直测量的分散。这项研究的结果表明，这两种方法都有优点和缺点。特别是，数据显示了网络站点的分布和密度，