CHEN Haoyong made the decision to devote himself to the development of electrical power science while he was majoring in electrical engineering at the Xi’an Jiaotong University in the early 1990s.In 1994,his professo...CHEN Haoyong made the decision to devote himself to the development of electrical power science while he was majoring in electrical engineering at the Xi’an Jiaotong University in the early 1990s.In 1994,his professor introduced him to Wang Xifan,a famous scholar in the field of power systems who had just returned from Japan and who was also an academician of the Chinese Academy of Sciences.Over the following 12 years,Chen studied and worked under the BY ZHANG LI Building a Communication and Cooperation Platform for Chinese Scientists guidance and supervision of Wang.展开更多
Inactive user participants are an obstacle to the improvement of the sustainability of health information exchange platforms.First,the evolutionary game model of patients and healthcare providers participating in info...Inactive user participants are an obstacle to the improvement of the sustainability of health information exchange platforms.First,the evolutionary game model of patients and healthcare providers participating in information sharing under four value-based healthcare delivery modes,i.e.,traditional medical model,collaborative care,self-managed care(SMC),and healthcare value co-creation(HVC),is constructed.Second,co-creators'initial participation ratio,information quality,which can trigger deviation from equilibrium sustainability in the dynamic process,is analyzed.Results show that extensive patient participation is more helpful to sustainable platform operation than provider participation.Moreover,quality patient data are more conducive to transforming the healthcare model from SMC to HVC than healthcare provider data.展开更多
This paper discusses the significance and prospects of low altitude small satellite aerial vehicles to ensure smooth aerial-ground communications for next-generation broadband networks.To achieve the generic goals of ...This paper discusses the significance and prospects of low altitude small satellite aerial vehicles to ensure smooth aerial-ground communications for next-generation broadband networks.To achieve the generic goals of fifthgeneration and beyondwireless networks,the existing aerial network architecture needs to be revisited.The detailed architecture of low altitude aerial networks and the challenges in resource management have been illustrated in this paper.Moreover,we have studied the coordination between promising communication technologies and low altitude aerial networks to provide robust network coverage.We talk about the techniques that can ensure userfriendly control and monitoring of the low altitude aerial networks to bring forth wireless broadband connectivity to a new dimension.In the end,we highlight the future research directions of aerial-ground communications in terms of access technologies,machine learning,compressed sensing,and quantum communications.展开更多
GENERAL Asian Pacific Journal of Tropical Biomedicine is sponsored by Hainan Medical University Journal Publisher,and aims to set up an acdemic communicating platform for Chinese and scientists all over the world on t...GENERAL Asian Pacific Journal of Tropical Biomedicine is sponsored by Hainan Medical University Journal Publisher,and aims to set up an acdemic communicating platform for Chinese and scientists all over the world on tropical biomedicine and related sciences.The Journal invites concise reports of original research in all areas of tropical biomedicine and related fields,both experimental and clinical,including modern.展开更多
Autonomous driving is an emerging technology attracting interests from various sectors in recent years.Most of existing work treats autonomous vehicles as isolated individuals and has focused on developing separate in...Autonomous driving is an emerging technology attracting interests from various sectors in recent years.Most of existing work treats autonomous vehicles as isolated individuals and has focused on developing separate intelligent modules.In this paper,we attempt to exploit the connectivity among vehicles and propose a systematic framework to develop autonomous driving techniques.We first introduce a general hierarchical information fusion framework for cooperative sensing to obtain global situational awareness for vehicles.Following this,a cooperative intelligence framework is proposed for autonomous driving systems.This general framework can guide the development of data collection,sharing and processing strategies to realize different intelligent functions in autonomous driving.展开更多
Physical layer security transmission issue in simultaneous wireless information and power transfer(SWIPT)relay network with multiple eavesdropers is investigated in this paper.A novel cooperative beamforming algorithm...Physical layer security transmission issue in simultaneous wireless information and power transfer(SWIPT)relay network with multiple eavesdropers is investigated in this paper.A novel cooperative beamforming algorithm is proposed to balance performance of cooperative jamming method and zero-forcing method.Using location prior information of eavesdropper,the proposed method imposes zero-forcing constraints on the capable eavesdropper and cooperative jamming on remaining weak eavesdropper,respectively.Compared with classical cooperative jamming or zero-forcing methods,the proposed method can compromise computational complexity and secrecy rate.Performance of the method is verified by simulation experiments.展开更多
With the low cost and low hardware complex considerations,cooperative systems are a tendency in the future communications.This work considers the secure cooperative communications systems.For a practical situation in ...With the low cost and low hardware complex considerations,cooperative systems are a tendency in the future communications.This work considers the secure cooperative communications systems.For a practical situation in the system,the scenario includes multiple source stations,multiple relay stations,multiple destination stations,and eavesdroppers.To analyze the optimal relay selection in the system,we begin with the performance analysis for a single source station and a single destination station.By applying two cooperative models,the amplify-andforward（AF） mode and decode-and-forward（DF）mode,the secrecy capacity is derived.Then,we apply the derived results to the considered environment to find the optimal relay assignment.By the way,the relay selection can be obtained by the exhaustive search algorithm.However,there are a lot of steps needed if the number of source stations is large.Hence,applying the characters of the cooperative modes in the relay selection,the pre-selection step is proposed with a mathematical derivation.It could be used for the practical situation without a long-time calculation.展开更多
文摘CHEN Haoyong made the decision to devote himself to the development of electrical power science while he was majoring in electrical engineering at the Xi’an Jiaotong University in the early 1990s.In 1994,his professor introduced him to Wang Xifan,a famous scholar in the field of power systems who had just returned from Japan and who was also an academician of the Chinese Academy of Sciences.Over the following 12 years,Chen studied and worked under the BY ZHANG LI Building a Communication and Cooperation Platform for Chinese Scientists guidance and supervision of Wang.
基金The National Natural Science Foundation of China(No.71671039).
文摘Inactive user participants are an obstacle to the improvement of the sustainability of health information exchange platforms.First,the evolutionary game model of patients and healthcare providers participating in information sharing under four value-based healthcare delivery modes,i.e.,traditional medical model,collaborative care,self-managed care(SMC),and healthcare value co-creation(HVC),is constructed.Second,co-creators'initial participation ratio,information quality,which can trigger deviation from equilibrium sustainability in the dynamic process,is analyzed.Results show that extensive patient participation is more helpful to sustainable platform operation than provider participation.Moreover,quality patient data are more conducive to transforming the healthcare model from SMC to HVC than healthcare provider data.
文摘This paper discusses the significance and prospects of low altitude small satellite aerial vehicles to ensure smooth aerial-ground communications for next-generation broadband networks.To achieve the generic goals of fifthgeneration and beyondwireless networks,the existing aerial network architecture needs to be revisited.The detailed architecture of low altitude aerial networks and the challenges in resource management have been illustrated in this paper.Moreover,we have studied the coordination between promising communication technologies and low altitude aerial networks to provide robust network coverage.We talk about the techniques that can ensure userfriendly control and monitoring of the low altitude aerial networks to bring forth wireless broadband connectivity to a new dimension.In the end,we highlight the future research directions of aerial-ground communications in terms of access technologies,machine learning,compressed sensing,and quantum communications.
文摘GENERAL Asian Pacific Journal of Tropical Biomedicine is sponsored by Hainan Medical University Journal Publisher,and aims to set up an acdemic communicating platform for Chinese and scientists all over the world on tropical biomedicine and related sciences.The Journal invites concise reports of original research in all areas of tropical biomedicine and related fields,both experimental and clinical,including modern.
基金in part supported by the Ministry National Key Research and Development Project under Grant 2017YFE0121400the Major Project from Beijing Municipal Science and Technology Commission under Grant Z181100003218007the National Natural Science Foundation of China under Grants 61622101 and 61571020
文摘Autonomous driving is an emerging technology attracting interests from various sectors in recent years.Most of existing work treats autonomous vehicles as isolated individuals and has focused on developing separate intelligent modules.In this paper,we attempt to exploit the connectivity among vehicles and propose a systematic framework to develop autonomous driving techniques.We first introduce a general hierarchical information fusion framework for cooperative sensing to obtain global situational awareness for vehicles.Following this,a cooperative intelligence framework is proposed for autonomous driving systems.This general framework can guide the development of data collection,sharing and processing strategies to realize different intelligent functions in autonomous driving.
基金the National Natural Science Foundation of China(No.61771006,61976080)the Key Research and Development Projects in Henan Province of China(No.192102210254)+1 种基金the Key Research Projects of University in Henan Province of China(No.19A413006)the First-class Discipline Training Foundation of Henan University(No.2018YLTD04).
文摘Physical layer security transmission issue in simultaneous wireless information and power transfer(SWIPT)relay network with multiple eavesdropers is investigated in this paper.A novel cooperative beamforming algorithm is proposed to balance performance of cooperative jamming method and zero-forcing method.Using location prior information of eavesdropper,the proposed method imposes zero-forcing constraints on the capable eavesdropper and cooperative jamming on remaining weak eavesdropper,respectively.Compared with classical cooperative jamming or zero-forcing methods,the proposed method can compromise computational complexity and secrecy rate.Performance of the method is verified by simulation experiments.
文摘With the low cost and low hardware complex considerations,cooperative systems are a tendency in the future communications.This work considers the secure cooperative communications systems.For a practical situation in the system,the scenario includes multiple source stations,multiple relay stations,multiple destination stations,and eavesdroppers.To analyze the optimal relay selection in the system,we begin with the performance analysis for a single source station and a single destination station.By applying two cooperative models,the amplify-andforward（AF） mode and decode-and-forward（DF）mode,the secrecy capacity is derived.Then,we apply the derived results to the considered environment to find the optimal relay assignment.By the way,the relay selection can be obtained by the exhaustive search algorithm.However,there are a lot of steps needed if the number of source stations is large.Hence,applying the characters of the cooperative modes in the relay selection,the pre-selection step is proposed with a mathematical derivation.It could be used for the practical situation without a long-time calculation.
