Method for transmitting data from RLC layer in radio communication system
First Claim
1. A method of transmitting data from a Radio Link Control (RLC) layer in a radio communication system, comprising:
- storing RLC Service Data Units (SDUs) transferred from an upper layer in a transmission buffer;
sequentially transmitting RLC Protocol Data Units (PDUs) to a receiving side, the PDUs being formed from the RLC SDUs stored in the transmission buffer;
discarding the RLC SDUs stored in the transmission buffer;
determining whether a transmission mode indicator is configured; and
transmitting one of complete discard information and partial discard information relating to the discarded RLC SDUs to the receiving side in accordance with whether the transmission mode indicator is configured.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a method for transmitting data from an RLC layer in a radio communication system. The method includes the steps of storing RLC SDUs transferred from an upper layer in a transmission buffer, transmitting RLC PDUs on which the RLC SDUs stored in the transmission buffer are loaded to a receiving side in order, discarding the RLC SDUs stored in the transmission buffer, checking whether a transmission mode indicator is configured, and transmitting discard information about the discarded RLC SDUs to the receiving side entirely or in part in accordance with whether the transmission MRW mode indicator is configured.
59 Citations
27 Claims
-
1. A method of transmitting data from a Radio Link Control (RLC) layer in a radio communication system, comprising:
-
storing RLC Service Data Units (SDUs) transferred from an upper layer in a transmission buffer; sequentially transmitting RLC Protocol Data Units (PDUs) to a receiving side, the PDUs being formed from the RLC SDUs stored in the transmission buffer; discarding the RLC SDUs stored in the transmission buffer; determining whether a transmission mode indicator is configured; and transmitting one of complete discard information and partial discard information relating to the discarded RLC SDUs to the receiving side in accordance with whether the transmission mode indicator is configured. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
-
-
11. A method of transmitting data of a radio link control layer in a radio communication system, comprising:
-
storing upper layer data units transferred from an upper layer in a transmission buffer; forming control layer data units of a radio link control layer on which the upper layer data units are loaded; sequentially transmitting the control layer data units to a receiving side;
checking for a transmission failure of the control layer data units; andone of sending discard information regarding all discarded upper layer data units and sending discard information regarding a part of the discarded upper layer data units in accordance with a state of an indicator. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. A method of transmitting data from a Radio Link Control (RLC) layer of a communication system, comprising:
-
sequentially transmitting RLC Protocol Data Units (PDUs) corresponding to RLC Service Data Units (SDUs), each PDU having sequence numbers, to a receiving side; discarding corresponding ones of the RLC SDUs when a previously set reference value is exceeded; determining whether the discarded RLC SDUs have been transmitted to the receiving side; renumbering sequence numbers of PDUs associated with RLC SDUs to be transmitted next so as to be initiated from a sequence number of the first PDU having not been transmitted; determining whether a transmission MRW (More Receiving Window) mode indicator has been configured by an upper layer; transmitting discard information about all of the discarded RLC SDUs to the receiving side when the transmission MRW mode indicator is configured; and transmitting the discard information about a portion of the discarded RLC SDUs to the receiving side when the transmission MRW mode indicator has not been configured. - View Dependent Claims (24, 25)
-
-
26. A user equipment (UE) for a radio communication system, comprising:
-
means for sequentially transmitting RLC Protocol Data Units (PDUs) corresponding to RLC Service Data Units (SDUs), each PDU having sequence numbers, to a receiving side UE; means for discarding corresponding ones of the RLC SDUs when a previously set reference value is exceeded; means for determining whether the discarded RLC SDUs have been transmitted to the receiving side UE; means for renumbering sequence numbers of PDUs associated with RLC SDUs to be transmitted next, such that they are initiated from a sequence number of the first PDU having not yet been transmitted; means for transmitting discard information regarding all of the discarded RLC SDUs to the receiving side UE when a transmission MRW (More Receiving Window) mode indicator has been configured; and means for transmitting the discard information regarding only a portion of the discarded RLC SDUs to the receiving side UE when the transmission MRW mode indicator has not been configured. - View Dependent Claims (27)
-
Specification