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Unambiguous Technique for Multiplexed Binary Offset Carrier Modulated Signals Tracking

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3 Author(s)
Zheng Yao ; Dept. of Electron. Eng., Tsinghua Univ., Beijing ; Mingquan Lu ; Zhenming Feng

In this letter, we propose an unambiguous tracking technique for the new multiplexed binary offset carrier (MBOC) modulated signals, which will most likely be employed in both European Galileo system and modernized global positioning system (GPS). The discriminator used in this technique is based on a pseudo correlation function. It uses two kinds of gating correlators and a novel combination function, which completely removes side peaks from the correlation function while keeping the sharp main peak. Results demonstrate that this technique is totally unambiguous while maintaining the same level of tracking performance with respect to thermal noise as the traditional MBOC tracking method.

Published in:

Signal Processing Letters, IEEE  (Volume:16 ,  Issue: 7 )