Method for downlink packet scheduling using service delay time and channel state
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United States of America Patent
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Jul 26, 2011
Grant Date -
Dec 6, 2007
app pub date -
Sep 1, 2005
filing date -
Sep 1, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a method for downlink packet scheduling for scheduling a real-time service and a non-real-time service. The method for downlink packet scheduling includes steps of: a) classifying inputted packets based on a type of packet and storing a maximum delay time information of the packets; b) determining a user urgency of the packets by using the maximum delay time information and a channel state by using an instantaneous channel state, an average channel state, or a ratio of the instantaneous channel state and the average channel state; c) determining a priority based on the user urgency and the channel state; and d) transmitting the packets according to the priority.
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