Satellite Clock Offset Prediction Using Robust Kalman Filtering
Based on Quantum Entangled Clock Synchronization
1 Information and Navigation College, Air Force Engineering University,1 East\|Fenghao Road, Xi’an 710077, China
Abstract Satellite clock offset prediction is a key technique in satellite navigation systems. The second\|order correlation function of the entangled photon pairs is investigated and a clock synchronization scheme is proposed based on the temporal correlation of the function. Furthermore, the effects of chromatic dispersion and attenuation factors in propagation are incorporated. The results indicate that the scheme can provide synchronization information and that its modeling error is 1 ns with an accuracy of 0.01 ns. The parameters in the clock offset model are estimated by Robust Kalman filtering, and the covariance is estimated by using total Hadamard variance along with the observed values provided by the synchronization scheme. The simulation indicates that the scheme can provide prediction accuracy equivalent to IGS ultra\|rapid products and that the initial value is close to IGS final products
Key words ：
clock offset prediction
entangled photon pairs
clock synchronization
Robust Kalman filtering
Received: 18 April 2014
Published: 15 April 2015
Cite this article:
YUAN Borui,YANG Chunyan,DU Pengliang. Satellite Clock Offset Prediction Using Robust Kalman Filtering
Based on Quantum Entangled Clock Synchronization[J]. jgg, 2015, 35(2): 203-206.
YUAN Borui,YANG Chunyan,DU Pengliang. Satellite Clock Offset Prediction Using Robust Kalman Filtering
Based on Quantum Entangled Clock Synchronization[J]. jgg, 2015, 35(2): 203-206.
URL:
http://www.jgg09.com/EN/10.14075/j.jgg.2015.02.006 OR http://www.jgg09.com/EN/Y2015/V35/I2/203
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