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Sensors 2017, 17(8), 1766; doi:10.3390/s17081766

An Acquisition Scheme Based on a Matched Filter for Novel Communication and Navigation Fusion Signals

School of Electronic Engineering, Beijing University of Posts and Telecommunications, No. 10 Xitucheng Road, Haidian District, Beijing 100876, China
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Received: 20 June 2017 / Revised: 21 July 2017 / Accepted: 28 July 2017 / Published: 2 August 2017

Abstract

In order to enhance the positioning capability of terrestrial networks, a novel communication and navigation fusion signal is proposed. The novel signal multiplexes the communication and navigation signal in the same frequency band, and the navigation system is superimposed on the original communication system. However, the application of pseudorandom noise (PRN) sequences in the navigation system is limited by the communication clock period. Taking the application of PRN sequences limited by the clock period as objects, the present study analyzes truncated PRN (TPRN) sequences. PRN sequences with a TPRN sequence as the navigation signal can overcome the communication system clock period limitation. Then, a matched filter algorithm with double detection (MFADD) is proposed to acquire the novel signal. The matched filter method is applied to the proposed algorithm to determine the start code phase of TPRN. Monte Carlo simulations and real data tests demonstrate the effectiveness of the proposed algorithm for the designed signal. View Full-Text
Keywords: communication and navigation fusion signal; PRN sequence; TPRN sequence; matched filter algorithm communication and navigation fusion signal; PRN sequence; TPRN sequence; matched filter algorithm
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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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Deng, Z.; Mo, J.; Jia, B.; Bian, X. An Acquisition Scheme Based on a Matched Filter for Novel Communication and Navigation Fusion Signals. Sensors 2017, 17, 1766.

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