Processing unexpected transmission interruptions in a...

Details Processing unexpected transmission interruptions in a... Processing unexpected transmission interruptions in a...

2005-06-07

2005-06-07

Qureshi, Afsar (Department: 2667)

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

C370S329000, C370S349000, C370S468000

Reexamination Certificate

active

06904016

ABSTRACT:
A radio link control (RLC) layer provides RLC entity information to a medium access control (MAC) layer. The RLC entity information indicates that the RLC layer has service data unit (SDU) data to be transmitted. After providing the RLC entity information, the RLC layer receives an unexpected data interruption that requires the RLC layer to discard or interrupt transmitting the SDU data. After the unexpected data interruption, the MAC layer requests at least a protocol data unit (PDU) from the RLC layer in response to the RLC entity information. The RLC layer then submits to the MAC layer at least one padding PDU in response to the MAC request. The padding PDU is submitted in place of the discarded SDU data. Alternatively, the affected SDU data is not discarded until the next transmission time interval (TTI).

REFERENCES:
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3 GPP TS 25.322 V5.1.0 (2002-06), 3rd Generation Partnership Projects; Technical Specification Group Radio Access Network; Radio Link Control (RLC) protocol specification (Release 5), pp. 1-76.
3 GPP TS 25.322 V3.8.0 (2001-09).
3 GPP TS 25.321 V3.9.0 (2001-09).

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