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Processing unexpected transmission interruptions in a wireless communications system

  • US 6,904,016 B2
  • Filed: 11/16/2001
  • Issued: 06/07/2005
  • Est. Priority Date: 11/16/2001
  • Status: Expired due to Term
First Claim
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1. A method for processing an unexpected data interruption in data transmission scheduling between a radio link control (RLC) layer and a medium access control (MAC) layer in a wireless communications device, the unexpected data interruption occurring after RLC entity information is provided by the RLC layer to the MAC layer and leaving the RLC layer with less ready-to-send SDU data than indicated in the RLC entity information, the method comprising:

  • the RLC layer submitting to the MAC layer an appropriate number of substitute protocol data units (PDUs) that are not control PDUs in place of discarded or interrupted service data unit (SDU) data in response to a data request by the MAC layer.

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