Reverse burst transmission time estimation method for TDMA (Time Division Multiple Access) communication-in-motion system of low earth orbit satellite
A low-orbit satellite and sending time technology, which is applied in the field of digital communication, can solve the problems that it is impossible to accurately know the terminal station, it is impossible to accurately estimate the transmission delay of the return link, and it is difficult to accurately estimate the return burst sending time. , to achieve the effect of high accuracy and simple calculation
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[0031]In order to make the objects, technical solutions, and specific embodiments of the present application, the present application will be further described in detail with reference to the accompanying drawings.
[0032] like figure 1 Due to the transparent forwarding of the low-track satellite TDMA communication system, the return to the burst transmission time, returning to the sudden arrival time and the return link transmission time extension three is transmitted. The transmission time of the return burst is equal to the desired time returning to the sudden time to reach the main station target time slot minus the transmission delay of the return link.
[0033] like figure 2 The return link shown in the transparent forwarding of the low-track satellite TDMA communication system is shown. The return link is a transmission link from the side station to the satellite, and is composed of two parts: returning uplink and returning downlink. Wherein, the return uplink refers to th...
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