QUALCOMM Incorporated
RECOVERY AFTER PACKET DATA CONVERGENCE PROTOCOL PACKET DISCARD

Abstract:

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a radio bearer may detect, at a packet data convergence protocol (PDCP) layer, expiry of a timer associated with a packet for transmission. The radio bearer may be configured to discard the packet upon expiry of the timer. Accordingly, the radio bearer may re-enqueue, at a modem of the radio bearer or at an application layer of the radio bearer and based at least in part on detecting expiry of the timer, the packet as a new packet for transmission before discarding the packet. Additionally, or alternatively, the radio bearer may retransmit the packet based at least in part on instructions from an application, executed on one or more processors of the radio bearer, that received the packet from the PDCP layer before the packet was discarded. Numerous other aspects are described.