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12 Results Found

  • Article
  • Open Access
6 Citations
2,628 Views
24 Pages

23 June 2022

The correct ambiguity resolution of real-time kinematic precise point positioning (PPP-RTK) plays an essential role in achieving fast, reliable, and high-precision positioning. However, the ambiguity of incorrect fixing will cause poor PPP-RTK positi...

  • Article
  • Open Access
11 Citations
3,291 Views
18 Pages

25 August 2019

The unscented Kalman filter (UKF) can effectively reduce the linearized model error and the dependence on initial coordinate values for indoor pseudolite (PL) positioning unlike the extended Kalman filter (EKF). However, PL observations are prone to...

  • Article
  • Open Access
12 Citations
3,595 Views
19 Pages

A Triple Checked Partial Ambiguity Resolution for GPS/BDS RTK Positioning

  • Liguo Lu,
  • Liye Ma,
  • Wanke Liu,
  • Tangting Wu and
  • Benfu Chen

18 November 2019

Reliable and accurate carrier phase ambiguity resolution is the key to high-precision Global Navigation Satellite System (GNSS) positioning and application. With the fast development of modern GNSS, the increased number of satellites and ambiguities...

  • Article
  • Open Access
82 Citations
7,927 Views
17 Pages

10 June 2015

Reliable and rapid ambiguity resolution (AR) is the key to fast precise point positioning (PPP). We propose a modified partial ambiguity resolution (PAR) method, in which an elevation and standard deviation criterion are first used to remove the low-...

  • Article
  • Open Access
11 Citations
3,983 Views
21 Pages

Precision-Aided Partial Ambiguity Resolution Scheme for Instantaneous RTK Positioning

  • Juan Manuel Castro-Arvizu,
  • Daniel Medina,
  • Ralf Ziebold,
  • Jordi Vilà-Valls,
  • Eric Chaumette and
  • Pau Closas

23 July 2021

The use of carrier phase data is the main driver for high-precision Global Navigation Satellite Systems (GNSS) positioning solutions, such as Real-Time Kinematic (RTK). However, carrier phase observations are ambiguous by an unknown number of cycles,...

  • Article
  • Open Access
8 Citations
2,359 Views
14 Pages

A New Optimal Subset Selection Method of Partial Ambiguity Resolution for Precise Point Positioning

  • Caiya Yue,
  • Yamin Dang,
  • Shuqiang Xue,
  • Hu Wang,
  • Shouzhou Gu and
  • Changhui Xu

27 September 2022

Rapid and accurate ambiguity resolution is the core of high-precision precise point positioning (PPP) data processing. However, the ambiguity parameters in PPP observation models are easily affected by atmospheric residual and gross errors, which lea...

  • Article
  • Open Access
12 Citations
3,909 Views
27 Pages

23 July 2020

Single-frequency GPS/BeiDou navigation satellite system (BDS) real-time kinematic (RTK) and inertial navigation system (INS) integration has wide range of application prospects due to the global deployment of GPS along with the rapid development of B...

  • Article
  • Open Access
1 Citations
3,095 Views
20 Pages

5 June 2020

Although precise point positioning (PPP) is a well-established and promising technique with the use of precise satellite orbit and clock products, it costs a long convergence time to reach a centimeter-level positioning accuracy. The PPP with ambigui...

  • Article
  • Open Access
5 Citations
2,762 Views
17 Pages

28 June 2023

Multi-GNSS PPP partial ambiguity resolution (PAR) can improve the fixing success rate and shorten the time to first fix (TTFF). Ambiguity subset selection based on the bootstrapping success rate sorting criterion (BSSC) is widely used in PPP PAR due...

  • Article
  • Open Access
645 Views
22 Pages

Single-frequency global navigation satellite system/inertial navigation system (GNSS/INS) integration has wide application prospects in urban environments; however, correct integer ambiguity is the major challenge because of GNSS-blocked environments...

  • Article
  • Open Access
10 Citations
4,494 Views
19 Pages

28 September 2020

Reliable real-time kinematic (RTK) is crucially important for emerging global navigation satellite systems (GNSSs) applications, such as drones and unmanned vehicles. The performance of conventional single baseline RTK (SBRTK) with one reference stat...