Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-10-21
2008-11-11
Cho, Hong Sol (Department: 2619)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S429000
Reexamination Certificate
active
07450602
ABSTRACT:
The invention, which applies to satellite digital communications systems in particular, relates to a device and a method of scheduling and sending data packets with a required level of protection from a common sender to a plurality of users sharing a common transmission channel. The method comprises the steps of:receiving a stream of input data packets;splitting the packets between a plurality of queues;extracting the leading packets therefrom using a first scheduling algorithm;storing each packet in a particular buffer as a function of the required level of protection; andextracting data blocks therefrom using a second scheduling algorithm.The packets are split between said queues in accordance with a geographical position criterion in respect of the user to whom each packet is addressed.
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Agence Spatiale Europeenne
Cho Hong Sol
Clark & Brody
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