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Sensors 2015, 15(6), 13184-13200;

CPM Signals for Satellite Navigation in the S and C Bands

College of Information & Communication Engineering, Harbin Engineering University, Harbin 150001, China
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N. Passaro
Received: 13 February 2015 / Revised: 22 May 2015 / Accepted: 2 June 2015 / Published: 5 June 2015
(This article belongs to the Section Remote Sensors)
Full-Text   |   PDF [5253 KB, uploaded 5 June 2015]   |  


Frequency allocations in the L band suitable for global navigation satellite system (GNSS) services are getting crowded and system providers face an ever tougher job when they try to bring in new signals and services while maintaining radio frequency compatibility. With the successive opening of the S and C bands to GNSS service, the multi-band combined navigation is predicted to become a key technology for future high-precision positioning navigation systems, and a single modulation scheme satisfying the requirements in each band is a promising solution for reducing user terminal complexity. A universal modulation scheme based on the continuous phase modulation (CPM) family suitable for the above bands’ demands is proposed. Moreover, this paper has put forward two specific CPM signals for the S and C bands, respectively. Then the proposed modulation schemes, together with existing candidates, are comprehensively evaluated. Simulation results show that the proposed CPM signals can not only satisfy the constraint condition of compatibility in different bands well and reduce user terminal complexity, but also provide superior performance in terms of tracking accuracy, multi-path mitigation and anti-jamming compared to other candidate modulation schemes. View Full-Text
Keywords: multi-band; combined navigation; modulation signal; CPM multi-band; combined navigation; modulation signal; CPM

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Xue, R.; Sun, Y.; Zhao, D. CPM Signals for Satellite Navigation in the S and C Bands. Sensors 2015, 15, 13184-13200.

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