Acquisition Performance Analysis of Composite Signals for the L1 OS Optimized Signal

Vincent Heiries, José-Àngel Àvila-Rodriguez, Markus Irsigler, Guenter W. Hein, Emilie Rebeyrol and Daniel Roviras

Abstract:	In contrast to the BPSK modulation, which uses rectangular symbols, and the BOC modulation whose spreading symbols are segments of a square wave, BCS modulations are binary sequences of rectangular pulses whose polarities can be any sequence of +1 and –1 values. Unlike the BOC and BPSK modulation, the BCS signals are meant to offer significant performance improvements for some well chosen subchip patterns, and above all a great flexibility. Indeed we could even go one step further and increase this flexibility if we think of non-binary sequences as shown in preliminary works [1]. It is evident that the modulation waveform is of primary importance for its impact on the potential accuracy the signal can reach and in terms of frequency compatibility. Thus still more investigation in the field of designing optimum signal structures is expected to be carried out in the near future. The main objective of this paper is to study candidate signals for the optimized signal in terms of their acquisition performance and to propose and analyse techniques to process these signals unambiguously.
Published in:	Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2005) September 13 - 16, 2005 Long Beach Convention Center Long Beach, CA
Pages:	877 - 889
Cite this article:	Heiries, Vincent, Àvila-Rodriguez, José-Àngel, Irsigler, Markus, Hein, Guenter W., Rebeyrol, Emilie, Roviras, Daniel, "Acquisition Performance Analysis of Composite Signals for the L1 OS Optimized Signal," Proceedings of the 18th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GNSS 2005), Long Beach, CA, September 2005, pp. 877-889.
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