Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-10-18
2005-10-18
Sam, Phirin (Department: 2661)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S252000, C370S410000
Reexamination Certificate
active
06956855
ABSTRACT:
There are provided an apparatus and method for retransmitting data according to a radio link protocol in a mobile communication system. In the method of requesting frame retransmission, a receiver stores the sequence numbers of a plurality of RLP (Radio Link Protocol) frames that are not received from a transmitter and transmits a retransmission request frame including fields that indicate the sequence numbers. Then, the transmitter sequentially transmits the requested RLP frames in the order of the sequence numbers to the receiver. The receiver compares the stored sequence numbers with the sequence numbers of received RLP frames and if it receiver fails to receive one of the requested RLP frames, the receiver requests retransmission of the lost RLP frame upon receipt of an RLP frame of a higher sequence number than the sequence number of the lost RLP frame.
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William Stallings, Data and Computer Communications, Second Edition, Macmillan Publishing Company, pp. 141-144.
Russian Office Action issued in a counterpart application, namely, Appln. No. 2002102704/09.
Australian Office Action dated Aug. 28, 2002 issued in a counterpart application, namely Appln. No. 61883/00.
Dilworth & Barrese LLP
Sam Phirin
Samsung Electronics Co,. Ltd.
Wilson Robert W.
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