PN code tracking loop with extended Kalman filter for a direct sequence spread-spectrum system

2005 ◽  
Author(s):  
Jin Young Kim
Keyword(s):  
Kalman Filter ◽  
Extended Kalman Filter ◽  
Spread Spectrum ◽  
Direct Sequence Spread Spectrum ◽  
Direct Sequence ◽  
Tracking Loop ◽  
Code Tracking ◽  
Code Tracking Loop

A Scheme on PN Code Tracking of DS/FH Signals for Telemetry Tracking, and Commanding (TT&C)

2012 ◽  
Vol 195-196 ◽  
pp. 159-164
Author(s):  
Shao Hua Chen ◽  
Jia Qi Li ◽  
Ju Wang
Keyword(s):  
Spread Spectrum ◽  
Doppler Frequency ◽  
Frequency Hopping ◽  
Direct Sequence ◽  
Tracking Loop ◽  
Code Tracking ◽  
Frequency Hopping Spread Spectrum ◽  
Code Tracking Loop ◽  
Pseudo Noise ◽  
The Impact

The impact of Doppler frequency hopping on code tracking performance is simulated. A design on pseudo-noise (PN) Code Tracking Loop aided by the carrier tracking loop according to the carrier frequency hoping pattern is proposed in this paper. This scheme can be applied in the Telemetry, Tracking, and Commanding system which uses Direct Sequence/Frequency Hopping Spread Spectrum (DS/FH) hybrid spread spectrum technology. Simulations of the code tracking loop under different carrier to noise ratios are compared based on this scheme. The results show this method on PN code tracking of DS/FH signals is valid.

Sign in / Sign up

Export Citation Format

Share Document