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L1C signal design options

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Abstract

Design activities for a new civil signal centered at 1575.42 MHz, called L1C, began in 2003, and the Phase 1 effort was completed in 2004. The L1C signal design has evolved and matured during a Phase 2 design activity that began in 2005. Phase 2 has built on the initial design activity, guided by responses to international user surveys conducted during Phase 1. A common core of signal characteristics has been developed to provide advances in robustness and performance. The Phase 2 activity produced five design options, all drawing upon the core signal characteristics, while representing different blends of characteristics and capabilities. A second round of international user surveys was completed to solicit advice concerning these design options. This paper provides an update of the L1C design process, and describes the current L1C design options. Initial performance estimates are presented for each design option, displaying trades between signal tracking robustness, the speed and robustness of clock and ephemeris data, and the rate and robustness of other data message contents. Planned remaining activities are summarized, leading to optimization of the L1C design.

Additional Publication Details

Publication type:
Conference Paper
Publication Subtype:
Conference Paper
Title:
L1C signal design options
Volume
2
Year Published:
2006
Language:
English
Larger Work Title:
Proceedings of the Institute of Navigation, National Technical Meeting
First page:
685
Last page:
697
Number of Pages:
13
Conference Title:
Institute of Navigation, National Technical Meeting 2006, NTM
Conference Location:
Monterey, CA
Conference Date:
18 January 2006 through 20 January 2006