Data reliable multicast method based on FDMA (frequency division multiple Access)/DAMA (demand assigned multiple access) satellite communication system
A satellite communication system and data technology, applied in the field of satellite communication, can solve the problems of poor adaptability of the actual system and achieve the effect of efficient satellite multicast transmission
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[0042] The following is attached figure 1 , 2 The preferred embodiments of the present invention are described, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0043] The present invention comprises steps:
[0044] The object of the present invention is achieved in that a kind of data reliable multicasting method based on FDMA / DAMA satellite communication system is characterized in that comprising the following steps:
[0045] (1) Establish a forward broadband multicast channel from the central station to all remote stations. The central station divides the files to be sent into fixed-length data packets, fills in the verification information and numbers them in sequence, and passes through the forward broadband group broadcast channel, and send the length and number of data packets and data packets to each remote station in multicas...
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