To provide a decision-making aid for aircraft carrier battle,the winning probability estimation based on Bradley-Terry model and Bayesian network is presented. Firstly,the armed forces units of aircraft carrier are cl...To provide a decision-making aid for aircraft carrier battle,the winning probability estimation based on Bradley-Terry model and Bayesian network is presented. Firstly,the armed forces units of aircraft carrier are classified into three types,which are aircraft,ship and submarine. Then,the attack ability value and defense ability value for each type of armed forces are estimated by using BP neural network,whose training results of sample data are consistent with the estimation results. Next,compared the assessment values through an improved Bradley-Terry model and constructed a Bayesian network to do the global assessment,the winning probabilities of both combat sides are obtained. Finally,the winning probability estimation for a navy battle is given to illustrate the validity of the proposed scheme.展开更多
The fast development of IP services forces the traffic flow in the networks to move gradually from Time Division Multiplexing(TDM) services to packet data services.To adapt to the change,low-cost Ethernet technologies...The fast development of IP services forces the traffic flow in the networks to move gradually from Time Division Multiplexing(TDM) services to packet data services.To adapt to the change,low-cost Ethernet technologies are introduced into the Metropolitan Area Network(MAN).Ring network control protocols and ring network protection technologies are applied to guarantee manageability and reliability required in the telecom networks.The Ethernet Ring Protection(ERP) and Resilient Packet Ring(RPR) are two different ring protection technologies.The Transport Multi-Protocol Label Switching(T-MPLS) network uses the T-MPLS Shared Protection Ring(TM-SPRing) technology to provide ring protection.Carriers can expand the protection as needed and use appropriate ring technologies to meet the requirements of Carrier Ethernet(CE).展开更多
In this paper, component carrier selection and beamforming on carrier aggregated channels in Heterogeneous Networks are proposed. The scheme jointly selects the component carrier and precoding (i.e. beamforming) vecto...In this paper, component carrier selection and beamforming on carrier aggregated channels in Heterogeneous Networks are proposed. The scheme jointly selects the component carrier and precoding (i.e. beamforming) vectors with the cooperation of the other cells to deal with the interference between Macro cell and Pico cell. The component carrier selection and beamforming is achieved by optimizing the multi-cell downlink throughput. This optimization results in shutting down a subset of the component carrier in order to allow for a perfect interference removal at the receive side in the dense low power node deployment scenario. Additionally, algorithm based on Branch and Bound Method is used to reduce the search complexity of the algorithm. Simulation results show that the proposed scheme can achieve high cell-average and cell-edge throughput for the Pico cell in the Heterogeneous Networks.展开更多
针对偏远油气田现场没有电信网络覆盖,导致现场数据无法采集回传,作业现场管理存在盲区,依赖移动通信网络进行的过程控制系统PCS(Process Control System)巡检作业无法使用等问题,提出了不同生产场景下利用通信新技术解决偏远油气田现...针对偏远油气田现场没有电信网络覆盖,导致现场数据无法采集回传,作业现场管理存在盲区,依赖移动通信网络进行的过程控制系统PCS(Process Control System)巡检作业无法使用等问题,提出了不同生产场景下利用通信新技术解决偏远油气田现场数据传输的方法,包括电力线载波、无线微波、NB-IOT、LORA、北斗卫星、高通量卫星等传输方式,结合生产现场实际情况,对每种技术的适用场景、成本效益以及可能的局限性进行了综合评估,得出了在不同应用场景下最适合的通信技术方案。结果表明,采用通信新技术可以快速解决不同偏远生产现场的传输难题,降低传输成本,为企业数字化发展助力。展开更多
基金Sponsored by the National Natural Science Foundation of China(Grant No.61374212)the Aeronautical Science Foundation of China(Grant No.20135152047)the Fundamental Research Funds for the Central Universities(Grant No.NJ20160022)
文摘To provide a decision-making aid for aircraft carrier battle,the winning probability estimation based on Bradley-Terry model and Bayesian network is presented. Firstly,the armed forces units of aircraft carrier are classified into three types,which are aircraft,ship and submarine. Then,the attack ability value and defense ability value for each type of armed forces are estimated by using BP neural network,whose training results of sample data are consistent with the estimation results. Next,compared the assessment values through an improved Bradley-Terry model and constructed a Bayesian network to do the global assessment,the winning probabilities of both combat sides are obtained. Finally,the winning probability estimation for a navy battle is given to illustrate the validity of the proposed scheme.
基金supported by the National High-Tech Research and Development Plan of China ("863" Program) under Grant No.2006AA01Z246.
文摘The fast development of IP services forces the traffic flow in the networks to move gradually from Time Division Multiplexing(TDM) services to packet data services.To adapt to the change,low-cost Ethernet technologies are introduced into the Metropolitan Area Network(MAN).Ring network control protocols and ring network protection technologies are applied to guarantee manageability and reliability required in the telecom networks.The Ethernet Ring Protection(ERP) and Resilient Packet Ring(RPR) are two different ring protection technologies.The Transport Multi-Protocol Label Switching(T-MPLS) network uses the T-MPLS Shared Protection Ring(TM-SPRing) technology to provide ring protection.Carriers can expand the protection as needed and use appropriate ring technologies to meet the requirements of Carrier Ethernet(CE).
文摘In this paper, component carrier selection and beamforming on carrier aggregated channels in Heterogeneous Networks are proposed. The scheme jointly selects the component carrier and precoding (i.e. beamforming) vectors with the cooperation of the other cells to deal with the interference between Macro cell and Pico cell. The component carrier selection and beamforming is achieved by optimizing the multi-cell downlink throughput. This optimization results in shutting down a subset of the component carrier in order to allow for a perfect interference removal at the receive side in the dense low power node deployment scenario. Additionally, algorithm based on Branch and Bound Method is used to reduce the search complexity of the algorithm. Simulation results show that the proposed scheme can achieve high cell-average and cell-edge throughput for the Pico cell in the Heterogeneous Networks.
文摘针对偏远油气田现场没有电信网络覆盖,导致现场数据无法采集回传,作业现场管理存在盲区,依赖移动通信网络进行的过程控制系统PCS(Process Control System)巡检作业无法使用等问题,提出了不同生产场景下利用通信新技术解决偏远油气田现场数据传输的方法,包括电力线载波、无线微波、NB-IOT、LORA、北斗卫星、高通量卫星等传输方式,结合生产现场实际情况,对每种技术的适用场景、成本效益以及可能的局限性进行了综合评估,得出了在不同应用场景下最适合的通信技术方案。结果表明,采用通信新技术可以快速解决不同偏远生产现场的传输难题,降低传输成本,为企业数字化发展助力。
