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- W2394116838 abstract "This paper proposed two weighted cross-layer resource allocation schemes with proportional fairness for multi-userOFDM system on the basis of researching the swarm intelligence algorithm, which were suitable for heterogeneous traffic. It notonly assumed that every user in the system had multiple queues, that every queue carried respectively traffic of different types.In the MAC layer, the proposed two schemes both carried out the weighted proportional fairness scheduling. The schedulingprovided different packets in users' queues different weight, sorted every user' s packets calculating users' weight by means ofthe weight,and set up the proportional constraints among users' rates according to the ratio of users' data to be passed. In thePHY layer, the two schemes not only both defined maximizing the system weighted capacity sum as optimization target underthe proportional constraints among users' rates, but also both led swarm intelligence algorithm into their resource allocationunder the optimization target. However, scenario 1 led artificial fish swarm algorithm into its sub-carrier allocation and used anew power allocation pattern to carry out power allocation, scenario 2 led the cloud adaptive particle swarm optimization algo-rithm into its sub-carrier allocation and used population migration algorithm to carry out power allocation. At last, the twoschemes transmitted packets according to packet sequencing results that provided by the weighted proportional fairness schedu-ling. Data simulation and performance analysis demonstrate that the two schemes can increase the total system rates effectivelyon the basis of meeting the delay of users' traffic and guaranteeing users' fairness." @default.
- W2394116838 created "2016-06-24" @default.
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- W2394116838 date "2012-01-01" @default.
- W2394116838 modified "2023-09-27" @default.
- W2394116838 title "Weighted swarm intelligence cross-layer resource allocation algorithm with proportional fairness" @default.
- W2394116838 hasPublicationYear "2012" @default.
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