一种基于边缘计算的RTK定位方法
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TP39

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国家重点研发计划重点专项(司法专题任务)(2018YFC0830300)


A kind of RTK positioning method based on Edge calculation
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    摘要:

    实时动态载波相位差分(Real-Time kinematic, RTK )定位是一种基于载波相位观测值的实时动态定位技术,通过架设基准站并将基准站数据与流动站数据进行差分解算获取流动站的精确位置,从而得到比传统GPS定位更为精确的结果.本文提出了一种基于边缘计算的实时动态载波相位差分定位方法E-RTK(Edge Real-Time Kinematic),通过将RTK解算任务迁移至边缘设备,降低RTK移动端对硬件的算力需求,进而降低RTK定位的硬件成本.本文基于E-RTK进行了实现及测试,实验证明,该E-RTK定位在较低的硬件成本下,能够达到与传统RTK定位相当的精度,除此之外,在使用GPS+BEIDOU卫星数据进行解算定位时,相较于常见的GPS+GLONASS定位,其Fix速度具有较大提升.

    Abstract:

    RTK positioning is a realtime kinematic positioning technology based on the carrier phase measurement. By resolving data from the base station and the rover, the position data of the rover can be obtained, which is more accurate than the traditional GPS positioning. In this paper, we propose ERTK (Edge realtime Kinematic), a realtime Kinematic carrier phase differential positioning method based on Edge computing. By transferring RTK resolving task to edge equipment, there is less requirementofhardware performance in the rover, and tthe cost of each rover can be reduced. Weimplement and test this ERTK, and theexperiments have proved that the ERTK positioning can achieve the same accuracy as the traditional RTK positioning at a lower hardware cost. In addition, when using GPS+BEIDOU GNSS data to resolve and positioning, compared with the GPS+GLONASS positioning, the Fix speed is greatly improved.

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引用本文格式: 吴肖伶,张记会,龚星衡,邵泽瑞,张卫华. 一种基于边缘计算的RTK定位方法[J]. 四川大学学报: 自然科学版, 2021, 58: 012002.

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  • 收稿日期:2020-02-29
  • 最后修改日期:2020-04-18
  • 录用日期:2020-04-25
  • 在线发布日期: 2021-01-20
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