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  • a jtids/ins/dgps navigation system with pseudorange differential information transmitted over link-16: design and implementation

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1305
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     as the battle environment becomes more complicated, the demand for higher accuracy and better anti-jam capacity of navigation has been increasing. the conventional jtids/ins/gps integrated navigation cannot meet the demands of certain situations such as precision strike and formation flight. a new system that introduces the differential gps into jtids/ins/gps integration system is proposed to improve the navigation performance in the modern combined operations. in this system, the differential information of dgps is transmitted through the communication data link of link-16. as a result, the system resources are efficiently utilized and the controllability and anti-jam performance of the system are significantly enhanced. a hybrid slot allocation protocol (hsap) that combines a static slot allocation algorithm and a dynamic slot allocation algorithm and the corresponding source-chosen mechanisms are proposed. the performance of the jtids/ins/gps integration navigation using the differential gps information from one or multiple base stations is studied and compared with that of the system without using the differential gps information. furthermore, the performance of the integration navigation using hsap is compared with that of the system using static slot allocation algorithm. we show that navigation accuracy based on the differential gps is improved, and using hsap also leads to higher localization accuracy.

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