Utilization of data links
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United States of America Patent
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Jun 25, 2013
Grant Date -
Mar 10, 2011
app pub date -
Sep 9, 2008
filing date -
Sep 20, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Control of a data packet buffer in a communication system and a data packet queue in a transmission link are shown. The queue stores a plurality of received data packets that are intended for transmission over a wireless interface. Selected packets are discarded from the queue without the selected packets having been transmitted. A packet is selected for discarding depending on at least the length of time the packet has been stored in the queue. The discarding of a selected packet is effectuated on condition that at least a predetermined time period has elapsed since a previous discarding of a packet has taken place. Such a solution is advantageous in that, for varying transmission bandwidth conditions in the transmission link, it is possible to achieve good link utilization and throughput, while at the same time enabling a low end-to-end delay for packets transmitted in the link.
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