Comparative Results for Positioning with Secondary Synchronization Signal versus Cell Specific Reference Signal in LTE Systems

Kimia Shamaei, Joe Khalife, and Zaher M. Kassas

Abstract:	The achievable positioning precision using two different reference signals in long-term evolution (LTE) systems, namely the secondary synchronization signal (SSS) and the cell-specific reference signal (CRS), is presented. Two receiver architectures are presented: SSS-based and CRS-based. The CRS-based receiver refines the time-of-arrival (TOA) estimate obtained from the SSS signal by estimating the channel frequency response, yielding a more precise TOA estimate. Experimental results of a ground vehicle navigating with each of the presented receivers are given showing a fivefold reduction in the positioning root-mean square error with the CRS-based receiver over the SSS-based receiver.
Published in:	Proceedings of the 2017 International Technical Meeting of The Institute of Navigation January 30 - 2, 2017 Hyatt Regency Monterey Monterey, California
Pages:	1256 - 1268
Cite this article:	Shamaei, Kimia, Khalife, Joe, Kassas, Zaher M., "Comparative Results for Positioning with Secondary Synchronization Signal versus Cell Specific Reference Signal in LTE Systems," Proceedings of the 2017 International Technical Meeting of The Institute of Navigation, Monterey, California, January 2017, pp. 1256-1268. https://doi.org/10.33012/2017.14885
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