Optimal resource allocation for MIMO OFDM-CDM systems under power, QoS and fairness constraints

被引：0
|
作者：
Brah, Felix [1 ]
Louveaux, Jerome [1 ]
Vandendorpe, Luc [1 ]
机构：
[1] Catholic Univ Louvain, Commun & Remote Sensing Lab, Place Du Evant 2, B-1348 Louvain, Belgium
来源：
2006 SYMPOSIUM ON COMMUNICATIONS AND VEHICULAR TECHNOLOGY | 2006年
关键词：
D O I：
10.1109/SCVT.2006.334368
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper we consider resource allocation for throughput maximization and QoS/fairness support in the downlink or 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.
引用
收藏
页码：39 / +
页数：2
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