SDU discard mechanisms for wireless communication systems
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United States of America Patent
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-
Dec 25, 2012
Grant Date -
May 7, 2009
app pub date -
Nov 3, 2008
filing date -
Nov 5, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Systems and methodologies are described that facilitate packet discard restriction in a wireless communication system. As described herein, a discard prohibit counter and/or other similar mechanism can be employed to limit the number of consecutive packets that are discarded by a transmitter, even in the event that the delay bounds of those packets have been exceeded. A discard prohibit counter as described herein can be updated upon a packet transmission and reset upon a packet discard to ensure that an acceptable number of packets are transmitted before a packet can be discarded. An acceptable number of packets can be selected based on device specifications, requirements of a data packet flow and/or traffic associated with the flow, or other suitable factors, and can be constant or adaptable to changes in network conditions. As further described herein, multiple counters can be separately maintained and utilized for a plurality of corresponding packet flows.
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