Transmitting data in a mobile communication system
First Claim
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1. A method for transmitting a protocol data unit (PDU) in a mobile communication system, the method comprising:
- segmenting a first PDU to form one or more second PDUs if the first PDU does not fit within a PDU size indicated by a lower layer; and
transmitting the one or more second PDUs to a receiving side,wherein segmenting the first PDU comprises;
mapping only a data field of the first PDU to a data field of the one or more second PDUs; and
setting a header of each of the one or more second PDUs, andwherein the header of each of the one or more second PDUs includes a field indicating a sequence number of the first PDU.
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Abstract
According to one embodiment, a method for retransmitting a protocol data unit (PDU) in a mobile communication system includes: segmenting a first PDU to form one or more second PDUs if the first PDU does not fit within a PDU size indicated by a lower layer; and transmitting the one or more second PDUs to a receiving side. Segmenting the first PDU includes: mapping only a data field of the first PDU to a data field of the one or more second PDUs; and setting a header of each of the one or more second PDUs. The header of each of the one or more second PDUs includes a field indicating a sequence number of the first PDU.
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Citations
12 Claims
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1. A method for transmitting a protocol data unit (PDU) in a mobile communication system, the method comprising:
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segmenting a first PDU to form one or more second PDUs if the first PDU does not fit within a PDU size indicated by a lower layer; and transmitting the one or more second PDUs to a receiving side, wherein segmenting the first PDU comprises; mapping only a data field of the first PDU to a data field of the one or more second PDUs; and setting a header of each of the one or more second PDUs, and wherein the header of each of the one or more second PDUs includes a field indicating a sequence number of the first PDU. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for transmitting a protocol data unit (PDU) in a mobile communication system, the apparatus comprising:
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a processor configured to segment a first PDU to form one or more second PDUs if the first PDU does not fit within a PDU size indicated by a lower layer, wherein each of the one or more second PDUs fits within the PDU size indicated by the lower layer; and a transmitter configured to transmit the one or more second PDUs to a receiving side, wherein the processor is further configured to segment the first PDU by mapping only a data field of the first PDU to a data field of the one or more second PDUs and setting a header of each of the one or more second PDUs, and wherein the header of each of the one or more second PDUs includes a field indicating a sequence number of the first PDU. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification