Networking

Performance of New BOC-AW-Modulated Signals for GNSS System

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Executive Summary

In this paper, the authors propose efficient signal WaveForms (WFs) with optimized spectrum for Multi-Path (MP) mitigation and jamming reduction in global navigation satellite system. These WFs are based on the use of sine-phased Binary Offset Carrier (BOC) with Adjustable Width (BOC-AW). They are generated by adjusting the width of the three-level WF {-1, 0, 1}. By exploiting the three-level BOC-AW subcarriers in sine-phasing signal model, they developed several forms of BOC-AW by means of superposition and width adjustment. The resulting power spectral densities and autocorrelation functions of the proposed WFs were calculated and introduced. Also calculated were the Spectral Separation Coefficients (SSCs) and the Cramer-Rao lower bounds (CRLBs).

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