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http://dx.doi.org/10.7840/kics.2016.41.12.1824

Networked Airborne Relay-Based Positioning Scheme and Performance Enhancement Study Based on TDMA Networks  

Lee, Kyuman (Department of Computer Engineering, Ajou University)
Noh, Hongjun (LIG Nex1 C4I R&D Laboratory)
Park, Hyungwon (LIG Nex1 C4I R&D Laboratory)
Lim, Jaesung (Department of Computer Engineering, Ajou University)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.41, no.12, 2016 , pp. 1824-1833 More about this Journal
Abstract
In this paper, we propose networked airborne relay-based positioning scheme (N-ARPS) based on time division multiple access (TDMA) networks to improve the performance of relative navigation (RelNav). To integrate the ARPS into TDMA, there are three problems such as slot allocation, selection of airborne relays, and method for signal loss to be solved. A subframe of N-ARPS is designed to assign the slots for broadcast and relay of navigation signals consecutively to minimize the effect of mobility. The selection algorithm determines the optimum set of airborne relays by selecting evenly distributed nodes depending on their distances to the master station. Finally, we uses precise position location information (PPLI) messages, which are received in data transmission period, to estimate a user position when the navigation signals are missing. The simulation results indicate that N-ARPS significantly improves user accuracy over RelNav.
Keywords
Comm/Nav Integration; Airborne Relay-based; Relative Navigation; TDMA networks; Kalman filter;
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Times Cited By KSCI : 2  (Citation Analysis)
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