• Title, Summary, Keyword: mobile cloud computing

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A Comparative Study For Mobile Cloud Computing Environment (모바일 클라우드 컴퓨팅 환경의 비교 연구)

  • Jang, Rae-Young;Jung, Sung-Jae;Bae, Yu-Mi;Sung, Kyung;Soh, Woo-Young
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • pp.277-280
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    • 2011
  • After the concept of Cloud Computing was first introduced, IT industry had focused on it. The Cloud Computing market is increasing as many major coporations have been participating in it. Now, the possibility of Mobile Cloud Computing has rising. Needless to say, the growth of Mobile Cloud Computing is explosive. Mobile industry changes its operational system from FeaturePhone to SmartPhone which are based on iPhone or Android. The number of Smart phone users in Korea exceeds 10 millions. Through this study, we will examine sorts and acctual situations of available domestic and international Mobile Cloud Computing Services in SmartPhone. Also, we will investigate the problems of current Mobile Cloud Computing and present the solutions.

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A Study on the Effect of Mobile Cloud Computing Services Characteristics on the Intellectual Convergence and the Performance Expectancy in Construction Project: From the Perspective of the Social Capital (건설프로젝트에서 Mobile-Cloud Computing Service 특성이 정보융합과 기대성과에 미치는 영향에 관한 연구: 사회적 자본의 관점에서)

  • Kim, Youngwoo;Oh, Jay In
    • The Journal of Bigdata
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    • v.4 no.1
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    • pp.129-142
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    • 2019
  • Construction projects have experienced many failures due to incomplete production environments. Thus, the purpose of this study is to use ICT resources leased during the construction period at the construction site and to introduce the Mobile Cloud Computing Service, which utilizes Cloud Computing Service and mobile devices such as smart phones, tablet PCs, and notebooks instead of physically wired communication networks. The characteristics of Mobile Cloud, such as rapid accuracy, shared collaboration, and ubiquity, will affect the social network among various construction site participants. we conducted empirical research on the introduction of Mobile Cloud to promote information exchange and convergence among the participants and mutual trust, ultimately improving the project performance.

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The study on a threat countermeasure of mobile cloud services (모바일 클라우드 서비스의 보안위협 대응 방안 연구)

  • Jang, Eun-Young;Kim, Hyung-Jong;Park, Choon-Sik;Kim, Joo-Young;Lee, Jae-Il
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.21 no.1
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    • pp.177-186
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    • 2011
  • Mobile services which are applied PC performance and mobile characteristics are increased with spread of the smartphone. Recently, mobile cloud service is getting the spotlight as a solution of mobile service problems that mobile device is lack of memory, computing power and storage and mobile services are subordinate to a particular mobile device platform. However, mobile cloud service has more potential security threats by the threat inheritance of mobile service, wireless network and cloud computing service. Therefore, security threats of mobile cloud service has to be removed in order to deploy secure mobile cloud services and user and manager should be able to respond appropriately in the event of threat. In this paper, We define mobile cloud service threats by threat analysis of mobile device, wireless network and cloud computing and we propose mobile cloud service countermeasures in order to respond mobile cloud service threats and threat scenarios in order to respond and predict to potential mobile cloud service threats.

The Design of Dynamic Fog Cloud System using mDBaaS

  • Hwang, Chigon;Shin, Hyoyoung;Lee, Jong-Yong;Jung, Kyedong
    • International Journal of Internet, Broadcasting and Communication
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    • v.9 no.4
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    • pp.59-66
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    • 2017
  • Cloud computing has evolved into a core computing infrastructure for the internet that encompasses content, as well as communications, applications and commerce. By providing powerful computing and communications capabilities in the palm of the hand everywhere with a variety of smart devices, mobile applications such as virtual reality, sensing and navigation have emerged and radically changed the patterns people live. The data that is generated is getting bigger. Cloud computing, on the other hand, has problems with system load and speed due to the collection, processing and control of remote data. To solve this problem, fog computing has been proposed in which data is collected and processed at an edge. In this paper, we propose a system that dynamically selects a fog server that acts as a cloud in the edge. It serves as a mediator in the cloud, and provides information on the services and systems belonging to the cloud to the mobile device so that the mobile device can act as a fog. When the role of the fog system is complete, we provide it to the cloud to virtualize the fog. The heterogeneous problem of data of mobile nodes can be solved by using mDBaaS (Mobile DataBase as a Service) and we propose a system design method for this.

The Design of an Efficient Proxy-Based Framework for Mobile Cloud Computing

  • Zhang, Zhijun;Lim, HyoTaek;Lee, Hoon Jae
    • Journal of information and communication convergence engineering
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    • v.13 no.1
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    • pp.15-20
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    • 2015
  • The limited battery power in the mobile environment, lack of sufficient wireless bandwidth, limited resources of mobile terminals, and frequent breakdowns of the wireless network have become major hurdles in the development of mobile cloud computing (MCC). In order to solve the abovementioned problems, This paper propose a proxy-based MCC framework by adding a proxy server between mobile devices and cloud services to optimize the access to cloud services by mobile devices on the network transmission, application support, and service mode levels. Finally, we verify the effectiveness of the developed framework through an experimental analysis. This framework can ensure that mobile users have efficient access to cloud services.

Dynamic Scheduling Method for Cooperative Resource Sharing in Mobile Cloud Computing Environments

  • Kwon, Kyunglag;Park, Hansaem;Jung, Sungwoo;Lee, Jeungmin;Chung, In-Jeong
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.2
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    • pp.484-503
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    • 2016
  • Mobile cloud computing has recently become a new paradigm for the utilization of a variety of shared mobile resources via wireless network environments. However, due to the inherent characteristics of mobile devices, a limited battery life, and a network access requirement, it is necessary for mobile servers to provide a dynamic approach for managing mobile resources efficiently in mobile cloud computing environments. Since on-demand job requests occur frequently and the number of mobile devices is drastically increased in mobile cloud computing environments, a different mobile resource management method is required to maximize the computational power. In this paper, we therefore propose a cooperative, mobile resource sharing method that considers both the inherent properties and the number of mobile devices in mobile cloud environments. The proposed method is composed of four main components: mobile resource monitor, job handler, resource handler, and results consolidator. In contrast with conventional mobile cloud computing, each mobile device under the proposed method can be either a service consumer or a service provider in the cloud. Even though each device is resource-poor when a job is processed independently, the computational power is dramatically increased under the proposed method, as the devices cooperate simultaneously for a job. Therefore, the mobile computing power throughput is dynamically increased, while the computation time for a given job is reduced. We conduct case-based experiments to validate the proposed method, whereby the feasibility of the method for the purpose of cooperative computation is shown.

A Classification-Based Virtual Machine Placement Algorithm in Mobile Cloud Computing

  • Tang, Yuli;Hu, Yao;Zhang, Lianming
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.5
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    • pp.1998-2014
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    • 2016
  • In recent years, cloud computing services based on smart phones and other mobile terminals have been a rapid development. Cloud computing has the advantages of mass storage capacity and high-speed computing power, and it can meet the needs of different types of users, and under the background, mobile cloud computing (MCC) is now booming. In this paper, we have put forward a new classification-based virtual machine placement (CBVMP) algorithm for MCC, and it aims at improving the efficiency of virtual machine (VM) allocation and the disequilibrium utilization of underlying physical resources in large cloud data center. By simulation experiments based on CloudSim cloud platform, the experimental results show that the new algorithm can improve the efficiency of the VM placement and the utilization rate of underlying physical resources.

A Novel Architecture for Mobile Crowd and Cloud computing for Health care

  • kumar, Rethina;Ganapathy, Gopinath;Kang, Jeong-Jin
    • International Journal of Advanced Culture Technology
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    • v.6 no.4
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    • pp.226-232
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    • 2018
  • The rapid pace of growth in internet usage and rich mobile applications and with the advantage of incredible usage of internet enabled mobile devices the Green Mobile Crowd Computing will be the suitable area to research combining with cloud services architecture. Our proposed Framework will deploy the eHealth among various health care sectors and pave a way to create a Green Mobile Application to provide a better and secured way to access the Products/ Information/ Knowledge, eHealth services, experts / doctors globally. This green mobile crowd computing and cloud architecture for healthcare information systems are expected to lower costs, improve efficiency and reduce error by also providing better consumer care and service with great transparency to the patient universally in the field of medical health information technology. Here we introduced novel architecture to use of cloud services with crowd sourcing.

An Empirical Study on the Influence of Environmental Determinants on the Mobile Cloud Computing Technology Usage and the Moderating Effects of Job Relevance (모바일 클라우드 컴퓨팅 기술사용에 영향을 주는 환경적 요인과 직무 관련성의 조절효과에 대한 실증연구)

  • Kim, Sang-Hyun;Kim, Geun-A
    • Journal of Information Technology Applications and Management
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    • v.18 no.4
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    • pp.1-20
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    • 2011
  • The recent development of mobile devices, including smartphones has maximized the user's convenience. This phenomenon has triggered the specification and activation of mobile cloud service and transformed the user's information usage and communication means. Despite such development of new technology, there is little understanding of mobile cloud. Therefor, in order to help the understanding of the usage of mobile cloud computing technology, this study developed the research model based on the UTAUT (the Unified Theory of Acceptance and Usage of Technology) model. The proposed research model included five external determinants, such as Interoperability, Information Organization, Adequacy, Information Security and Context Awareness, along with the moderating effects of Job Relevance, and empirically proved their influence on the user's job performance. This study proved the research model by analyzing the data collected from 287 copies of survey with the structural equation modeling approach. The result showed that all determinants, except Information Security have positive impact on the usage of mobile cloud computing technology. Thus, this study can compliment the limitations of previous research, suggest a new direction to analyze the user's perspective in the related research on mobile cloud and build a theoretical foundation for the further development of mobile cloud.

An Experimental Analysis of Linux TCP Variants for Video Streaming in LTE-based Mobile DaaS Environments (LTE 기반 모바일 DaaS 환경에서 비디오 스트리밍을 위한 Linux TCP 구현물의 실험적 성능 분석)

  • Seong, Chaemin;Hong, Seongjun;Lim, Kyungshik;Kim, Dae Won;Kim, Seongwoon
    • IEMEK Journal of Embedded Systems and Applications
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    • v.10 no.4
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    • pp.241-255
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    • 2015
  • Recent network environment has been rapidly evolved to cloud computing environment based on the development of the Internet technologies. Furthermore there is an increasing demand on mobile cloud computing due to explosive growth of smart devices and wide deployment of LTE-based cellular networks. Thus mobile Desktop-as-a-Service(DaaS) could be a pervasive service for nomadic users. In addition, video streaming traffic is currently more than two-thirds of mobile traffic and ever increasing. All such trends enable that video streaming in mobile DaaS could be an important concern for mobile cloud computing. It should be noted that the performance of the Transmission Control Protocol(TCP) on cloud host servers greatly affects Quality of Service(QoS) of video streams for mobile users. With widely deployed Linux server platforms for cloud computing, in this paper, we conduct an experimental analysis of the twelve Linux TCP variants in mobile DaaS environments. The results of our experiments show that the TCP Illinois outperforms the other TCP variants in terms of wide range of packet loss rate and propagation delay over LTE-based wireless links between cloud servers and mobile devices, even though TCP CUBIC is usually used in default in the current Linux systems.