Invention Patent: METHOD FOR DETECTING DATA FRAMEWORK RETARDED IN A TRANSPORT FUND. A method for detecting delayed data frames in a transport function includes the steps of comparing a frame-size surveillance counter with a predetermined limit value (304),detect a retarded picture if the sequence counter exceeds the limit value and processes the retarded picture detected appropriately (306). In a RLP data transporter protocol, the retarded frame can be processed as a relayed frame. The limit value may be proportional to the maximum number of tables sent in a given package, sometimes the maximum delay, in units of table intervals, between frames simultaneously sent through air in the same table range.
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