Research Article

UWB/PDR Tightly Coupled Navigation with Robust Extended Kalman Filter for NLOS Environments

Algorithm 1

REKF algorithm Pseudocode.
Filtering: for t = 1, 2,…
(1) State prediction
(2)For each measurement
(3)  while
(4)   
(5)   Recalculate based on Formula (23)
(6)  end
(7)end
(8)State update