{"title":"功率、QoS和公平性约束下MIMO OFDM-CDM系统的最优资源分配","authors":"F. Brah, J. Louveaux, L. Vandendorpe","doi":"10.1109/SCVT.2006.334368","DOIUrl":null,"url":null,"abstract":"In this paper we consider resource allocation for throughput maximization and QoS/fairness support in the downlink of a multiuser multi-antennas OFDM-CDM systems with transmit zero-forcing beamforming. The impact of the relaxation of the QoS/fairness constraints on the system throughput is analyzed. The resource allocation problem, with relaxable constraints, formulated as a nonlinear nonconvex optimization problem is efficiently and globally solved through geometric programming in his convex form. Simulation results are provided for different values of the relaxation parameters and illustrate the achievable trade-off between system throughput and QoS/fairness requirements","PeriodicalId":233922,"journal":{"name":"2006 Symposium on Communications and Vehicular Technology","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Optimal Resource Allocation for MIMO OFDM-CDM Systems under Power, QoS and Fairness Constraints\",\"authors\":\"F. Brah, J. Louveaux, L. Vandendorpe\",\"doi\":\"10.1109/SCVT.2006.334368\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this paper we consider resource allocation for throughput maximization and QoS/fairness support in the downlink of a multiuser multi-antennas OFDM-CDM systems with transmit zero-forcing beamforming. The impact of the relaxation of the QoS/fairness constraints on the system throughput is analyzed. The resource allocation problem, with relaxable constraints, formulated as a nonlinear nonconvex optimization problem is efficiently and globally solved through geometric programming in his convex form. Simulation results are provided for different values of the relaxation parameters and illustrate the achievable trade-off between system throughput and QoS/fairness requirements\",\"PeriodicalId\":233922,\"journal\":{\"name\":\"2006 Symposium on Communications and Vehicular Technology\",\"volume\":\"16 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2006 Symposium on Communications and Vehicular Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SCVT.2006.334368\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 Symposium on Communications and Vehicular Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SCVT.2006.334368","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Optimal Resource Allocation for MIMO OFDM-CDM Systems under Power, QoS and Fairness Constraints
In this paper we consider resource allocation for throughput maximization and QoS/fairness support in the downlink of a multiuser multi-antennas OFDM-CDM systems with transmit zero-forcing beamforming. The impact of the relaxation of the QoS/fairness constraints on the system throughput is analyzed. The resource allocation problem, with relaxable constraints, formulated as a nonlinear nonconvex optimization problem is efficiently and globally solved through geometric programming in his convex form. Simulation results are provided for different values of the relaxation parameters and illustrate the achievable trade-off between system throughput and QoS/fairness requirements
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