To slove the problems of constrained energy and unbalanced load of wireless sensor network(WSN)nodes,a multipath load balancing routing algorithm based on neighborhood subspace cooperation is proposed.The algorithm ad...To slove the problems of constrained energy and unbalanced load of wireless sensor network(WSN)nodes,a multipath load balancing routing algorithm based on neighborhood subspace cooperation is proposed.The algorithm adopts the improved particle swarm optimization(PSO)algorithm,takes the shortest distance and minimum energy consumption as optimization target and divides the nodes in one-hop neighborhood near the base station area into different regions.Furthermore,the algorithm designs a fitness function to find the best node in each region as a relay node and forward the data in parallel through the different paths of the relay nodes.The simulation results show that the proposed algorithm can reduce energy consumption and average end-to-end delay,balance network load and prolong network lifetime effectively.展开更多
全球多区域可计算一般均衡模型(computable general equilibrium,CGE)是最重要的全球气候政策评估工具之一。该文给出了自主开发的全球多区域可计算一般均衡模型(global applied general equilibrium model,GAGE)的理论框架,描述了区域...全球多区域可计算一般均衡模型(computable general equilibrium,CGE)是最重要的全球气候政策评估工具之一。该文给出了自主开发的全球多区域可计算一般均衡模型(global applied general equilibrium model,GAGE)的理论框架,描述了区域内框架的地区账户收入分配方案和生产模块的嵌套结构以及区域间框架的国际贸易结构和2个虚拟国际机构的构建,即建立国际运输部门和国际银行用于描述国际贸易的运输服务供需以及投资的区域间流动。在标准GAGE模型的基础上进行了能源-环境-经济扩展,以描述能源与资本之间以及各类能源之间的替代关系。碳减排情景研究结果验证了GAGE模型理论框架的合理性,展示了能源替代对于减排潜力的显著影响。展开更多
基金National Natural Science Foundation of China(No.11461038)Science and Technology Plan of Gansu Province(No.144NKCA040)
文摘To slove the problems of constrained energy and unbalanced load of wireless sensor network(WSN)nodes,a multipath load balancing routing algorithm based on neighborhood subspace cooperation is proposed.The algorithm adopts the improved particle swarm optimization(PSO)algorithm,takes the shortest distance and minimum energy consumption as optimization target and divides the nodes in one-hop neighborhood near the base station area into different regions.Furthermore,the algorithm designs a fitness function to find the best node in each region as a relay node and forward the data in parallel through the different paths of the relay nodes.The simulation results show that the proposed algorithm can reduce energy consumption and average end-to-end delay,balance network load and prolong network lifetime effectively.
文摘全球多区域可计算一般均衡模型(computable general equilibrium,CGE)是最重要的全球气候政策评估工具之一。该文给出了自主开发的全球多区域可计算一般均衡模型(global applied general equilibrium model,GAGE)的理论框架,描述了区域内框架的地区账户收入分配方案和生产模块的嵌套结构以及区域间框架的国际贸易结构和2个虚拟国际机构的构建,即建立国际运输部门和国际银行用于描述国际贸易的运输服务供需以及投资的区域间流动。在标准GAGE模型的基础上进行了能源-环境-经济扩展,以描述能源与资本之间以及各类能源之间的替代关系。碳减排情景研究结果验证了GAGE模型理论框架的合理性,展示了能源替代对于减排潜力的显著影响。