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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52668

Title: Land Mobile Satellite Channel Model for Autonomous GPS Positioning Estimation
Authors: Jia-Chyi Wu
Dah-Jing Jwo
Chun-Yu Liu
Contributors: 國立臺灣海洋大學:電機資訊學院
Keywords: GPS;Vector delay-locked tracking loop (VDLL);Signal outage;Receiver autonomous integrity monitoring (RAIM);Fault detection and exclude (FDE);Extended Kalman filter (EKF);Unscented Kalman Filter (UKF);Land mobile satellite (LMS) Multipath fading channel
Date: 2018-07
Issue Date: 2019-12-13T02:04:57Z
Publisher: Conell University
Abstract: abstract: The performance of GPS receivers with vector delay-locked tracking loop (VDLL) structure over a land mobile satellite (LMS) channel model for the simulation of multipath fading transmission is investigated. We apply vector delay-locked tracking loop receiver for GPS signal transmitting over LMS multipath fading situations. The adeptness of the vector tracking loop is to incessantly position when satellite GPS signal outage occurred. However, miscarriage tracking in one channel may overspread into the whole system originated the entire loss of locking on all satellites for vector tracking loop algorithm. To moderate this locking-loss situation, the VDLL system is carried with receiver autonomous integrity monitoring (RAIM) and fault detection and exclusion (FDE) algorithm to avoid signal unlocked incidence. The satellite signal to GPS receiver designs with two different Kalman filters (EKF: Extended Kalman Filter and UKF: Unscented Kalman Filter) are established to compare their performance over LMS multipath fading channel model simulations.
Relation: 8(6)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/52668
Appears in Collections:[電機資訊學院] 演講及研討會

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