APPARATUS AND METHOD FOR UPLINK BANDWIDTH REQUEST IN BROADBAND WIRELESS ACCESS SYSTEM
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United States of America Patent
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Issued Date -
Oct 16, 2008
app pub date -
Apr 8, 2008
filing date -
Apr 13, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An UpLink (UL) bandwidth requesting apparatus and method in a broadband wireless access system are provided. The apparatus includes a queue length controller for determining an amount of bandwidth-request using a difference between a current queue length and a target length and a determiner for the final amount of bandwidth-request using a change rate of queue length for sending information of the calculated bandwidth-request amount to a bandwidth allocating apparatus. By rapidly and accurately predicting the bandwidth-request and reducing the request delay, Quality of Service (QoS) can be guaranteed using a minimum bandwidth.
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