METHOD FOR DOWNLINK PACKET SCHEDULING USING SERVICE DELAY TIME AND CHANNEL STATE

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 o...

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Bibliographic Details
Main Authors RYU, BYUNG HAN, RYU, SEUNG WAN, SEO, HYUN HWA, YOON, CHUL SIK
Format Patent
LanguageEnglish
Published 07.03.2006
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary: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.
Bibliography:Application Number: KR20040069495