Taher AlSharabati
Electronics and Communications Engineering Department, Al-Ahliyya Amman
University, Jordan
ABSTRACT
Mobile handset carriers are presented as a source of interference to GPS operation in smartphones. The
carriers are presented in terms of their analytical form; block level generation as well as their statistical
distribution model. In addition, we present the analytical form of the received GPS signal corrupted by
carrier interference The Analysis is applied on the chip level in the acquisition engine before stripping the
code or carrier. This expansion will restore the operation of GPS receiver in the presence of carrier
interference. We present an estimate of the amount of improvement that Maximum Likelihood estimation
gives in mitigating carrier interference in smartphones. The amount of improvement is compared to that of
calculations based on measured data processing. The power spectral density of the interference is treated
thoroughly to derive expressions for half of the noise power spectral density.
KEYWORDS
Detection, Average Carrier Power, Carrier Interference, Error Rate, Position Accuracy.
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