Journal on Communications
(State Key Laboratory of Integrated Service Netwo
ks, Xidian University, Xi’an 710071, China)
A unified utility function was designed to adapt to different types of services and an optimization problem was
formulated based on the net
work utility maximization model. By applying the Lagrange duality method, a distributed
joint bandwidth and power allocation algorithm was proposed. Simulation results show that this algorithm can effectively
allocate proper resources to various types of s
not only maximize the total utility of all secondary
users but also maintain the utility fairness among them.
ural Science Foundation of China (
); The National Basic Research
Program of China (973 Program)(2009CB320404);
National Natural Science Foundation of China (60902032); The National
Science and Technology Major Specific Proj
PCSIRT(IRT0852); The Program of Introducing Ta
ents of Discipline to Universities (B08038)
本算法能够有效地为不同类型认知用户分配合理的带宽和功率资源
认知无线网络中兼顾效用与公平的联合带宽和功率分配算法
Joint bandwidth and power allocation algorithm in cognitive
with consideration of uti