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Alternative Scheme of INS-Dependent Positioning for Relative Navigation without GRUs
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 Title & Authors
Alternative Scheme of INS-Dependent Positioning for Relative Navigation without GRUs
Kim, Ki-hyoung; Lee, Kyu-man; Lim, Jae-sung;
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Position information is important to carry out military operations. In general, GPS is used to estimate position. However, GPS is vulnerable to jamming due to the low received signal strength, therefore GPS can be easily jammed. The relative navigation is an auxiliary navigation system defined in JTIDS. When GPS is jammed, the relative navigation requires ground reference units on the ground to operate accurately. If the ground reference unit does not exist, nodes operated by the relative navigation depend on the inertial navigation system to identify their position. However, this positioning scheme based on only INS causes accumulative position error, therefore the nodes cannot identify their position accurately for a long time. In this paper, we propose an alternative to reduce position error generated by depending inertial navigation system. In order to verify that the performance of proposed scheme is better than that of the existing scheme, various simulations are conducted.
GPS Jamming;INS;JTIDS;Relative Navigation;GRU;TOA;
 Cited by
시분할다중접속 네트워크 기반의 공중 중계 기반 융합 측위 기법 및 성능 향상 연구,이규만;노홍준;박형원;임재성;

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