Data Unit Discard Report

Abstract: a wireless device receives a radio resource control (rrc) configuration information configuring a packet data convergence protocol (pdcp) layer, for uplink transmission, of the wireless device to send a pdcp report indicating uplink service data unit (sdu) discard by the pdcp layer. the wireless device determines expiry of a timer of at least one uplink pdcp sdu, wherein a plurality of uplink pdcp sdus, comprising a data unit (du) of a data flow, comprises the at least one uplink pdcp sdu, and discards the plurality of uplink pdcp sdus. the wireless device sends, based on the configuration information configuring the pdcp layer to send the pdcp report, a first pdcp report indicating, to a receiving base station, that the plurality of uplink pdcp sdus are discarded.

Inventor(s): SungDuck Chun, Kyungmin Park, Esmael Hejazi Dinan, Peyman Talebi Fard, Weihua Qiao

CPC Classification: H04L47/32 (by discarding or delaying data units, e.g. packets or frames)

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