Synchronous data transmission method and arrangement
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United States of America Patent
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Dec 16, 2003
Grant Date -
N/A
app pub date -
Aug 18, 1998
filing date -
Nov 15, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a synchronous data transmission when the maximum data rate of the traffic channel equals one of the user data rates at the terminal interface. Such a situation may occur for example when a satellite system is connected as a base station system to a mobile system. A mobile station (MS) inserts the terminal interface status information (STATUS) in the redundant parts (REDUNDANT) of the protocol data units (PDU) of the transmission protocol used at the terminal interface and transmits the protocol units through a satellite traffic channel to a land earth station (LES). The land earth station (LES) is arranged to extract said status information from the protocol data units and to restore the original redundancy to the protocol data units.
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