阐述了开发甚高频(very high frequency,VHF)仿真设备所使用的关键技术、系统结构、模块设计、开发流程以及实操评估功能的实现等。系统的实操评估采用分步评估法和层次分析法相结合,根据试题的特点确定各评估要素的权重,并依据评估要素...阐述了开发甚高频(very high frequency,VHF)仿真设备所使用的关键技术、系统结构、模块设计、开发流程以及实操评估功能的实现等。系统的实操评估采用分步评估法和层次分析法相结合,根据试题的特点确定各评估要素的权重,并依据评估要素,从任务是否完成,操纵时间和操纵步骤3点来设计评估算法,从而计算出船员的评估成绩。该仿真设备基于Microsoft Visual 2010开发工具和微软基础类库(microsoft foundation classes,MFC)开发环境,实现了对船用VHF通信设备的模拟和实操自动评估功能,用户可以通过客户终端对设备操作进行训练并得到评估成绩。展开更多
In the future fifth generation(5G) systems,non-orthogonal multiple access(NOMA) is a promising technology that can greatly enhance the network capacity compared to orthogonal multiple access(OMA) .In this paper,we pro...In the future fifth generation(5G) systems,non-orthogonal multiple access(NOMA) is a promising technology that can greatly enhance the network capacity compared to orthogonal multiple access(OMA) .In this paper,we propose a novel random access(RA) and resource allocation scheme for the coexistence of NOMA-based and OMAbased machine-to-machine(M2M) communications,which aims at improving the number of successful data packet transmissions and guaranteeing the quality of service(Qo S) (e.g.,the minimum data rate requirement) for M2 M communications.The algorithm of joint user equipment(UE) paring and power allocation is proposed for the coexisting RA(i.e.,the coexistence of NOMA-based RA and OMA-based RA) .The resource allocation for the coexisting RA is investigated,thus improving the number of successful data packet transmissions by more efficiently using the radio resources.Simulation results demonstrate that the proposed RA and resource allocation scheme outperforms the conventional RA in terms of the number of successful data packet transmissions,thus is a promising technology in future M2 M communications.展开更多
文摘阐述了开发甚高频(very high frequency,VHF)仿真设备所使用的关键技术、系统结构、模块设计、开发流程以及实操评估功能的实现等。系统的实操评估采用分步评估法和层次分析法相结合,根据试题的特点确定各评估要素的权重,并依据评估要素,从任务是否完成,操纵时间和操纵步骤3点来设计评估算法,从而计算出船员的评估成绩。该仿真设备基于Microsoft Visual 2010开发工具和微软基础类库(microsoft foundation classes,MFC)开发环境,实现了对船用VHF通信设备的模拟和实操自动评估功能,用户可以通过客户终端对设备操作进行训练并得到评估成绩。
基金supported by the National Natural Science Foundation of China(61501056)National Science and Technology Major Project of China(No.2016ZX03001012)the Research Fund of ZTE Corporation
文摘In the future fifth generation(5G) systems,non-orthogonal multiple access(NOMA) is a promising technology that can greatly enhance the network capacity compared to orthogonal multiple access(OMA) .In this paper,we propose a novel random access(RA) and resource allocation scheme for the coexistence of NOMA-based and OMAbased machine-to-machine(M2M) communications,which aims at improving the number of successful data packet transmissions and guaranteeing the quality of service(Qo S) (e.g.,the minimum data rate requirement) for M2 M communications.The algorithm of joint user equipment(UE) paring and power allocation is proposed for the coexisting RA(i.e.,the coexistence of NOMA-based RA and OMA-based RA) .The resource allocation for the coexisting RA is investigated,thus improving the number of successful data packet transmissions by more efficiently using the radio resources.Simulation results demonstrate that the proposed RA and resource allocation scheme outperforms the conventional RA in terms of the number of successful data packet transmissions,thus is a promising technology in future M2 M communications.
