After analyzing the basic information,distribution of energy resources and condition of power industry in Central Asia,the high feasibility for China to cooperate closely with Central Asia in transnational power inter...After analyzing the basic information,distribution of energy resources and condition of power industry in Central Asia,the high feasibility for China to cooperate closely with Central Asia in transnational power interconnection,power investment and technology exchanges,etc.is studied.Furthermore,the forms,mechanisms,existing problems and suggestions for the improvement of current policies related to the power cooperation are proposed.展开更多
蜂窝车联网(C-V2X)环境中,存在车辆高速移动导致无法获取完备的信道状态信息(channel state information,CSI),从而干扰车辆复用蜂窝网络资源的问题。在已知部分CSI和满足车辆到设施(vehicle to infrastructure,V2I)及车辆到车辆(vehicl...蜂窝车联网(C-V2X)环境中,存在车辆高速移动导致无法获取完备的信道状态信息(channel state information,CSI),从而干扰车辆复用蜂窝网络资源的问题。在已知部分CSI和满足车辆到设施(vehicle to infrastructure,V2I)及车辆到车辆(vehicle to vehicle,V2V)的可靠性约束的条件下,研究最大化系统遍历总速率的资源分配优化问题,提出联合功率控制和信道复用的资源分配算法。该算法根据可靠性约束,使用几何规划分析功率可行域,求出任意单个复用对的最优功率控制。该算法将信道复用转换为最大权重二分图匹配问题,将复用对的遍历速率作为二分图的权重,并使用KM(Kuhn Munkres)算法进行求解。仿真结果表明,所提出的资源分配算法较其他算法,可以在保证车辆可靠通信的前提下优化资源分配,并有效控制干扰,从而提高系统遍历总速率。展开更多
文摘After analyzing the basic information,distribution of energy resources and condition of power industry in Central Asia,the high feasibility for China to cooperate closely with Central Asia in transnational power interconnection,power investment and technology exchanges,etc.is studied.Furthermore,the forms,mechanisms,existing problems and suggestions for the improvement of current policies related to the power cooperation are proposed.
文摘蜂窝车联网(C-V2X)环境中,存在车辆高速移动导致无法获取完备的信道状态信息(channel state information,CSI),从而干扰车辆复用蜂窝网络资源的问题。在已知部分CSI和满足车辆到设施(vehicle to infrastructure,V2I)及车辆到车辆(vehicle to vehicle,V2V)的可靠性约束的条件下,研究最大化系统遍历总速率的资源分配优化问题,提出联合功率控制和信道复用的资源分配算法。该算法根据可靠性约束,使用几何规划分析功率可行域,求出任意单个复用对的最优功率控制。该算法将信道复用转换为最大权重二分图匹配问题,将复用对的遍历速率作为二分图的权重,并使用KM(Kuhn Munkres)算法进行求解。仿真结果表明,所提出的资源分配算法较其他算法,可以在保证车辆可靠通信的前提下优化资源分配,并有效控制干扰,从而提高系统遍历总速率。