The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Aeronautical short message (ASM), as a critical service for the future 4 dimensional trajectory data link (4DTRAD), will meet a great challenge of transmission efficiency. In order to achieve an efficient usage of wireless resources, in this paper a preempting transmission strategy based on the distributed mapping algorithm (PT-DMA) is proposed for the L-band digital aeronautical communication system...
In order to guarantee the real-time performance of aeronautical short message (ASM) service, which is considered as one of kernel services in 4 dimensional trajectory data link (4DTRAD), in this paper, a preempting strategy is proposed for hybrid services including both ASM and stream data. Based on the preempting strategy, a burst ASM (time delay sensitive) can preempt the nearest time slot, which...
In order to support a 4-Dimensional Trajectory (4DT) based Air Traffic Services (ATS), aircraft should update trajectory data back to a ground control center with aeronautical short messages (ASM). An efficient transmission mechanism for 4DT-ASM is developed in this study. The proposed approach firstly divides aircraft into groups by spatial diversity. Then, if one airborne station (AS) requests resource...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.