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Multi-Parameter Based Scheduling for Multi-user MIMO Systems
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 Title & Authors
Multi-Parameter Based Scheduling for Multi-user MIMO Systems
Chanthirasekaran, K.; Bhagyaveni, M.A.; Parvathy, L. Rama;
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Multi-user multi-input multi-output (MU-MIMO) system has attracted the 4th generation wireless network as one of core technique for performance enrichment. In this system rate control is a challenging problem and another problem is optimization. Proper scheduling can resolve these problems by deciding which set of user and at which rate the users send their data. This paper proposes a new multi-parameter based scheduling (MPS) for downlink multi-user multiple-input multiple-output (MU-MIMO) system under space-time block coding (STBC) transmissions. Goal of this MPS scheme is to offer improved link level performance in terms of a low average bit error rate (BER), high packet delivery ratio (PDR) with improved resource utilization and service fairness among the user. This scheme allows the set of users to send data based on their channel quality and their demand rates. Simulation compares the MPS performance with other scheduling scheme such as fair scheduling (FS), normalized priority scheduling (NPS) and threshold based fair scheduling (TFS). The results obtained prove that MPS has significant improvement in average BER performance with improved resource utilization and fairness as compared to the other scheduling scheme.
Bit error rate (BER);Multi-Parameter based Scheduling (MPS);Multiple-input multiple-output (MIMO);Packet delivery ratio (PDR);
 Cited by
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