[논문]Unambiguous Tracking Technique Based on Sub-Carrier Pulse Grouping for TMBOC-Modulated Signals in GPS

Chae, Keunhong; Yoo, Seungsoo; Kim, Sun Yong; Jee, Gyu-In; Yeom, Dong-Jin; Yoon, Seokho

doi:10.1109/access.2016.2627623

Unambiguous Tracking Technique Based on Sub-Carrier Pulse Grouping for TMBOC-Modulated Signals in GPS 원문보기

IEEE access : practical research, open solutions, v.4, 2016년, pp.7785 - 7794

Chae, Keunhong (College of Information and Communication Engineering, Sungkyunkwan University, Suwon, South Korea) , Yoo, Seungsoo (Department of Electronics Engineering, Konkuk University, Seoul, South Korea) , Kim, Sun Yong (Department of Electronics Engineering, Konkuk University, Seoul, South Korea) , Jee, Gyu-In (Department of Electronics Engineering, Konkuk University, Seoul, South Korea) , Yeom, Dong-Jin (Agency for Defense Development, Daejeon, South Korea) , Yoon, Seokho

Abstract ▼ AI-Helper

Based on grouping the pulses that compose the sub-carrier of the time-multiplexed binary offset carrier (TMBOC), we present an unambiguous correlation function that has no side-peaks causing the ambiguity in the TMBOC signal tracking, and also, that has a higher degree of the sharpness of the main-peak (DSM) over those of the conventional unambiguous correlation functions. Splitting the pulses composing the TMBOC sub-carrier into 12 groups, and, subsequently, forming the 12 group correlations corresponding to the 12 groups, we investigate the contribution of each of the 12 group correlations to the side peaks and main peak of the TMBOC autocorrelation function. Then, we propose a combining method of the 12 group correlations based on the investigation to remove the side peaks while improving the DSM. Numerical results demonstrate that the proposed unambiguous correlation function not only has no side peaks, but also has a higher DSM, and, consequently, has a better tracking error performance than those of the conventional unambiguous correlation functions.

참고문헌 (15)

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Unambiguous Tracking Technique Based on Sub-Carrier Pulse Grouping for TMBOC-Modulated Signals in GPS 원문보기

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Unambiguous Tracking Technique Based on Sub-Carrier Pulse Grouping for TMBOC-Modulated Signals in GPS 원문보기

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