摘要
随着网络异构化和终端智能化,如何有效利用网络资源和充分发挥终端能力,为用户提供更好的业务体验,成为研究的重点。当一种无线网络不能满足用户的业务需求时,可以考虑由多个网络协作向用户提供该业务。针对多网络协作业务提供问题,采用多目标优化的决策算法,提出一种考虑多约束的业务速率分配算法,在完成异构网络选择的同时实现了业务速率在各网络中的分配。仿真结果表明,所提算法能够有效实现特定目标下的业务速率分配。
With the heterogeneity of wireless networks and the intelligence of the terminals, it has become an important research topic that how to effectively utilize the network resources and the terminals＇ capa- bilities to provide better service experiences for users. When the user＇ s service requirement cannot be sat- isfied by one wireless network, it can be achieved by means of cooperation among multiple networks. For the purpose of solving the service providing problem through multi-network cooperation, the multi-objec- tive optimization decision making algorithm is used. A service rate allocation algorithm is proposed. Multi- ple constraints are considered ,where multiple networks are selected and simultaneously service rate is al- located for each selected network. Simulation results show that the proposed algorithm can realize the serv- ice rate allocation effectively under the specific objective.
出处
《南京邮电大学学报（自然科学版）》
北大核心
2013年第4期39-43,共5页
Journal of Nanjing University of Posts and Telecommunications：Natural Science Edition
基金
国家科技重大专项(2011ZX03005-004-03)
国家自然科学基金(61001078)
江苏省自然科学基金(BK2012831)资助项目
关键词
异构无线网络
网络选择
速率分配
多目标优化
heterogeneous wireless network
network selection
rate allocation
multi-objective optimization
