Method and apparatus for delivery notification of non-access stratum retransmission
AssigneeInterDigital Patent Holdings, Inc.
InventorsShankar Somasundaram, Rajat P. Mukherjee, Mohammed Sammour
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Abstract
A method and apparatus for data delivery confirmation in a wireless/transmit receive unit (WTRU) including transmitting an uplink (UL) message, performing a mobility operation, determining that the UL message is not acknowledged, and generating a delivery failure message. The mobility operation is a handover or a radio resource control (RRC) connection reestablishment. A message including the delivery failure message is passed between protocol layers.
Claims6
A wireless transmit/receive unit (WTRU) comprising:
- a processor configured to transmit a non-access stratum (NAS) message;
- the processor further configured to receive a handover message and, in response to the handover message, on a condition that successful delivery of the NAS message is not confirmed, indicating, by a radio resource control (RRC) layer, to upper layers that successful delivery was not confirmed;
- and
- the processor further configured, in response to the handover message, to send a status report by a packet data convergence protocol (PDCP) layer.
A method of data delivery notification in a wireless transmit/receive unit (WTRU), the method comprising:
- transmitting a non-access stratum (NAS) message;
- receiving a handover message and, in response to the handover message, on a condition that successful delivery of the NAS message is not confirmed, indicating, by a radio resource control (RRC) layer, to upper layers that successful delivery was not confirmed;
- and
- sending a status report by a packet data convergence protocol (PDCP) layer, in response to the handover message.
Dependencies are inferred from the claim text.