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Publisher: Inderscience Publishers   (Total: 427 journals)

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Showing 1 - 200 of 427 Journals sorted alphabetically
African J. of Accounting, Auditing and Finance     Hybrid Journal   (Followers: 12)
African J. of Economic and Sustainable Development     Hybrid Journal   (Followers: 13)
Afro-Asian J. of Finance and Accounting     Hybrid Journal   (Followers: 7, SJR: 0.205, h-index: 3)
American J. of Finance and Accounting     Hybrid Journal   (Followers: 19)
Asian J. of Management Science and Applications     Hybrid Journal   (Followers: 4)
Atoms for Peace: an Intl. J.     Hybrid Journal   (Followers: 3, SJR: 0.103, h-index: 1)
Electronic Government, an Intl. J.     Hybrid Journal   (Followers: 15, SJR: 0.185, h-index: 23)
EuroMed J. of Management     Hybrid Journal  
European J. of Cross-Cultural Competence and Management     Hybrid Journal   (Followers: 6)
European J. of Industrial Engineering     Hybrid Journal   (Followers: 8, SJR: 0.987, h-index: 16)
European J. of Intl. Management     Hybrid Journal   (Followers: 1, SJR: 0.258, h-index: 10)
Global Business and Economics Review     Hybrid Journal   (Followers: 1, SJR: 0.13, h-index: 7)
Interdisciplinary Environmental Review     Hybrid Journal   (Followers: 3)
Intl. J. of Abrasive Technology     Hybrid Journal   (Followers: 2, SJR: 0.207, h-index: 10)
Intl. J. of Accounting and Finance     Hybrid Journal   (Followers: 13)
Intl. J. of Accounting, Auditing and Performance Evaluation     Hybrid Journal   (Followers: 13, SJR: 0.143, h-index: 9)
Intl. J. of Ad Hoc and Ubiquitous Computing     Hybrid Journal   (Followers: 9, SJR: 0.245, h-index: 13)
Intl. J. of Adaptive and Innovative Systems     Hybrid Journal   (Followers: 1)
Intl. J. of Additive and Subtractive Materials Manufacturing     Hybrid Journal  
Intl. J. of Advanced Intelligence Paradigms     Hybrid Journal   (Followers: 3, SJR: 0.39, h-index: 5)
Intl. J. of Advanced Mechatronic Systems     Hybrid Journal   (Followers: 2, SJR: 0.212, h-index: 7)
Intl. J. of Advanced Media and Communication     Hybrid Journal   (Followers: 23, SJR: 0.103, h-index: 9)
Intl. J. of Advanced Operations Management     Hybrid Journal   (Followers: 7, SJR: 0.24, h-index: 4)
Intl. J. of Aerodynamics     Hybrid Journal   (Followers: 20)
Intl. J. of Agent-Oriented Software Engineering     Hybrid Journal   (Followers: 4)
Intl. J. of Agile and Extreme Software Development     Hybrid Journal   (Followers: 4)
Intl. J. of Agile Systems and Management     Hybrid Journal   (Followers: 7, SJR: 0.212, h-index: 8)
Intl. J. of Agricultural Resources, Governance and Ecology     Hybrid Journal   (Followers: 2, SJR: 0.125, h-index: 17)
Intl. J. of Alternative Propulsion     Hybrid Journal   (Followers: 5, SJR: 0.103, h-index: 9)
Intl. J. of Applied Cryptography     Hybrid Journal   (Followers: 11, SJR: 0.401, h-index: 9)
Intl. J. of Applied Decision Sciences     Hybrid Journal   (Followers: 4, SJR: 0.455, h-index: 11)
Intl. J. of Applied Management Science     Hybrid Journal   (Followers: 5, SJR: 0.369, h-index: 10)
Intl. J. of Applied Nonlinear Science     Hybrid Journal   (Followers: 1)
Intl. J. of Applied Pattern Recognition     Hybrid Journal   (Followers: 3)
Intl. J. of Applied Systemic Studies     Hybrid Journal   (SJR: 0.138, h-index: 5)
Intl. J. of Arab Culture, Management and Sustainable Development     Hybrid Journal   (Followers: 8)
Intl. J. of Artificial Intelligence and Soft Computing     Hybrid Journal   (Followers: 8)
Intl. J. of Arts and Technology     Hybrid Journal   (Followers: 6, SJR: 0.114, h-index: 10)
Intl. J. of Auditing Technology     Hybrid Journal   (Followers: 5)
Intl. J. of Automation and Control     Hybrid Journal   (Followers: 9, SJR: 0.297, h-index: 7)
Intl. J. of Automation and Logistics     Hybrid Journal   (Followers: 5)
Intl. J. of Automotive Composites     Hybrid Journal   (Followers: 2)
Intl. J. of Automotive Technology and Management     Hybrid Journal   (Followers: 6, SJR: 0.356, h-index: 15)
Intl. J. of Autonomic Computing     Hybrid Journal   (Followers: 1)
Intl. J. of Autonomous and Adaptive Communications Systems     Hybrid Journal   (Followers: 4, SJR: 0.125, h-index: 10)
Intl. J. of Aviation Management     Hybrid Journal   (Followers: 4)
Intl. J. of Banking, Accounting and Finance     Hybrid Journal   (Followers: 12, SJR: 0.153, h-index: 5)
Intl. J. of Behavioural Accounting and Finance     Hybrid Journal   (Followers: 7)
Intl. J. of Behavioural and Healthcare Research     Hybrid Journal   (Followers: 7)
Intl. J. of Bibliometrics in Business and Management     Hybrid Journal  
Intl. J. of Big Data Intelligence     Hybrid Journal   (Followers: 13)
Intl. J. of Bio-Inspired Computation     Hybrid Journal   (Followers: 1, SJR: 0.77, h-index: 25)
Intl. J. of Bioinformatics Research and Applications     Hybrid Journal   (Followers: 14, SJR: 0.231, h-index: 13)
Intl. J. of Biomechatronics and Biomedical Robotics     Hybrid Journal   (Followers: 4)
Intl. J. of Biomedical Engineering and Technology     Hybrid Journal   (Followers: 4, SJR: 0.213, h-index: 10)
Intl. J. of Biomedical Nanoscience and Nanotechnology     Hybrid Journal   (Followers: 6)
Intl. J. of Biometrics     Hybrid Journal   (Followers: 4, SJR: 0.244, h-index: 10)
Intl. J. of Biotechnology     Hybrid Journal   (Followers: 5, SJR: 0.128, h-index: 15)
Intl. J. of Bonds and Derivatives     Hybrid Journal   (Followers: 1)
Intl. J. of Business and Emerging Markets     Hybrid Journal   (Followers: 3)
Intl. J. of Business and Globalisation     Hybrid Journal   (Followers: 1, SJR: 0.21, h-index: 7)
Intl. J. of Business and Systems Research     Hybrid Journal   (Followers: 1, SJR: 0.205, h-index: 11)
Intl. J. of Business Competition and Growth     Hybrid Journal   (Followers: 6)
Intl. J. of Business Continuity and Risk Management     Hybrid Journal   (Followers: 14)
Intl. J. of Business Environment     Hybrid Journal   (Followers: 3)
Intl. J. of Business Excellence     Hybrid Journal   (Followers: 3, SJR: 0.333, h-index: 12)
Intl. J. of Business Forecasting and Marketing Intelligence     Hybrid Journal   (Followers: 6)
Intl. J. of Business Governance and Ethics     Hybrid Journal   (Followers: 4, SJR: 0.222, h-index: 8)
Intl. J. of Business Information Systems     Hybrid Journal   (Followers: 17, SJR: 0.264, h-index: 18)
Intl. J. of Business Innovation and Research     Hybrid Journal   (Followers: 9, SJR: 0.273, h-index: 13)
Intl. J. of Business Intelligence and Data Mining     Hybrid Journal   (Followers: 30, SJR: 0.196, h-index: 13)
Intl. J. of Business Intelligence and Systems Engineering     Hybrid Journal  
Intl. J. of Business Performance and Supply Chain Modelling     Hybrid Journal   (Followers: 14)
Intl. J. of Business Performance Management     Hybrid Journal   (Followers: 7, SJR: 0.194, h-index: 15)
Intl. J. of Business Process Integration and Management     Hybrid Journal   (Followers: 13, SJR: 0.172, h-index: 15)
Intl. J. of Chinese Culture and Management     Hybrid Journal   (Followers: 5)
Intl. J. of Circuits and Architecture Design     Hybrid Journal   (Followers: 6)
Intl. J. of Cloud Computing     Hybrid Journal   (Followers: 26)
Intl. J. of Cognitive Biometrics     Hybrid Journal   (Followers: 1)
Intl. J. of Cognitive Performance Support     Hybrid Journal   (Followers: 4)
Intl. J. of Collaborative Engineering     Hybrid Journal  
Intl. J. of Collaborative Enterprise     Hybrid Journal  
Intl. J. of Collaborative Intelligence     Hybrid Journal  
Intl. J. of Communication Networks and Distributed Systems     Hybrid Journal   (Followers: 7, SJR: 0.262, h-index: 9)
Intl. J. of Competitiveness     Hybrid Journal   (Followers: 1)
Intl. J. of Complexity in Applied Science and Technology     Hybrid Journal  
Intl. J. of Complexity in Leadership and Management     Hybrid Journal   (Followers: 24)
Intl. J. of Computational Biology and Drug Design     Hybrid Journal   (Followers: 1, SJR: 0.272, h-index: 8)
Intl. J. of Computational Complexity and Intelligent Algorithms     Hybrid Journal   (Followers: 1)
Intl. J. of Computational Economics and Econometrics     Hybrid Journal   (Followers: 5)
Intl. J. of Computational Intelligence in Bioinformatics and Systems Biology     Hybrid Journal   (Followers: 10)
Intl. J. of Computational Intelligence Studies     Hybrid Journal   (Followers: 2)
Intl. J. of Computational Materials Science and Surface Engineering     Hybrid Journal   (Followers: 6, SJR: 0.159, h-index: 6)
Intl. J. of Computational Science and Engineering     Hybrid Journal   (Followers: 2, SJR: 0.34, h-index: 12)
Intl. J. of Computational Systems Engineering     Hybrid Journal  
Intl. J. of Computational Vision and Robotics     Hybrid Journal   (Followers: 4, SJR: 0.123, h-index: 4)
Intl. J. of Computer Aided Engineering and Technology     Hybrid Journal   (Followers: 2, SJR: 0.112, h-index: 7)
Intl. J. of Computer Applications in Technology     Hybrid Journal   (Followers: 3, SJR: 0.309, h-index: 20)
Intl. J. of Computers in Healthcare     Hybrid Journal   (Followers: 2)
Intl. J. of Computing Science and Mathematics     Hybrid Journal   (Followers: 2, SJR: 0.385, h-index: 10)
Intl. J. of Continuing Engineering Education and Life-Long Learning     Hybrid Journal   (Followers: 3, SJR: 0.217, h-index: 16)
Intl. J. of Convergence Computing     Hybrid Journal   (Followers: 1)
Intl. J. of Corporate Governance     Hybrid Journal   (Followers: 4)
Intl. J. of Corporate Strategy and Social Responsibility     Hybrid Journal   (Followers: 1)
Intl. J. of Creative Computing     Hybrid Journal   (Followers: 1)
Intl. J. of Critical Accounting     Hybrid Journal   (Followers: 3)
Intl. J. of Critical Computer-Based Systems     Hybrid Journal   (SJR: 0.22, h-index: 6)
Intl. J. of Critical Infrastructures     Hybrid Journal   (Followers: 3, SJR: 0.277, h-index: 18)
Intl. J. of Data Analysis Techniques and Strategies     Hybrid Journal   (Followers: 5, SJR: 0.381, h-index: 10)
Intl. J. of Data Mining and Bioinformatics     Hybrid Journal   (Followers: 17, SJR: 0.289, h-index: 13)
Intl. J. of Data Mining, Modelling and Management     Hybrid Journal   (Followers: 14, SJR: 0.152, h-index: 8)
Intl. J. of Data Science     Hybrid Journal   (Followers: 6)
Intl. J. of Decision Sciences, Risk and Management     Hybrid Journal   (Followers: 8)
Intl. J. of Decision Support Systems     Hybrid Journal  
Intl. J. of Design Engineering     Hybrid Journal   (Followers: 14)
Intl. J. of Digital Culture and Electronic Tourism     Hybrid Journal   (Followers: 7)
Intl. J. of Diplomacy and Economy     Hybrid Journal   (Followers: 3)
Intl. J. of Dynamical Systems and Differential Equations     Hybrid Journal   (Followers: 1, SJR: 0.173, h-index: 9)
Intl. J. of Earthquake and Impact Engineering     Hybrid Journal   (Followers: 2)
Intl. J. of Economic Policy in Emerging Economies     Hybrid Journal   (Followers: 3, SJR: 0.228, h-index: 5)
Intl. J. of Economics and Accounting     Hybrid Journal   (Followers: 1)
Intl. J. of Economics and Business Research     Hybrid Journal   (Followers: 5, SJR: 0.102, h-index: 1)
Intl. J. of Education Economics and Development     Hybrid Journal   (Followers: 3, SJR: 0.193, h-index: 2)
Intl. J. of Electric and Hybrid Vehicles     Hybrid Journal   (Followers: 9, SJR: 0.234, h-index: 9)
Intl. J. of Electronic Banking     Hybrid Journal   (Followers: 5)
Intl. J. of Electronic Business     Hybrid Journal   (Followers: 1)
Intl. J. of Electronic Customer Relationship Management     Hybrid Journal   (Followers: 2, SJR: 0.192, h-index: 8)
Intl. J. of Electronic Democracy     Hybrid Journal   (Followers: 1)
Intl. J. of Electronic Finance     Hybrid Journal   (Followers: 4, SJR: 0.2, h-index: 1)
Intl. J. of Electronic Governance     Hybrid Journal   (Followers: 1, SJR: 0.383, h-index: 9)
Intl. J. of Electronic Healthcare     Hybrid Journal   (Followers: 3, SJR: 0.195, h-index: 18)
Intl. J. of Electronic Marketing and Retailing     Hybrid Journal   (Followers: 7, SJR: 0.148, h-index: 7)
Intl. J. of Electronic Security and Digital Forensics     Hybrid Journal   (Followers: 10, SJR: 0.221, h-index: 8)
Intl. J. of Embedded Systems     Hybrid Journal   (Followers: 5, SJR: 0.252, h-index: 9)
Intl. J. of Emergency Management     Hybrid Journal   (Followers: 12, SJR: 0.492, h-index: 17)
Intl. J. of Energy Technology and Policy     Hybrid Journal   (Followers: 7, SJR: 0.131, h-index: 11)
Intl. J. of Engineering Management and Economics     Hybrid Journal   (Followers: 4)
Intl. J. of Engineering Systems Modelling and Simulation     Hybrid Journal   (Followers: 10, SJR: 0.192, h-index: 9)
Intl. J. of Enterprise Network Management     Hybrid Journal   (SJR: 0.118, h-index: 6)
Intl. J. of Entrepreneurial Venturing     Hybrid Journal   (Followers: 1, SJR: 0.213, h-index: 7)
Intl. J. of Entrepreneurship and Innovation Management     Hybrid Journal   (Followers: 25, SJR: 0.238, h-index: 15)
Intl. J. of Entrepreneurship and Small Business     Hybrid Journal   (Followers: 23, SJR: 0.294, h-index: 16)
Intl. J. of Environment and Health     Hybrid Journal   (Followers: 9, SJR: 0.147, h-index: 10)
Intl. J. of Environment and Pollution     Hybrid Journal   (Followers: 6, SJR: 0.241, h-index: 35)
Intl. J. of Environment and Sustainable Development     Hybrid Journal   (Followers: 17, SJR: 0.142, h-index: 14)
Intl. J. of Environment and Waste Management     Hybrid Journal   (Followers: 7, SJR: 0.142, h-index: 11)
Intl. J. of Environment, Workplace and Employment     Hybrid Journal   (Followers: 4)
Intl. J. of Environmental Engineering     Hybrid Journal   (Followers: 6)
Intl. J. of Environmental Policy and Decision Making     Hybrid Journal   (Followers: 8)
Intl. J. of Environmental Technology and Management     Hybrid Journal   (Followers: 1, SJR: 0.13, h-index: 15)
Intl. J. of Exergy     Hybrid Journal   (Followers: 3, SJR: 0.667, h-index: 20)
Intl. J. of Experimental and Computational Biomechanics     Hybrid Journal   (Followers: 8)
Intl. J. of Experimental Design and Process Optimisation     Hybrid Journal   (Followers: 5)
Intl. J. of Export Marketing     Hybrid Journal  
Intl. J. of Financial Engineering and Risk Management     Hybrid Journal   (Followers: 3)
Intl. J. of Financial Innovation in Banking     Hybrid Journal   (Followers: 3)
Intl. J. of Financial Markets and Derivatives     Hybrid Journal   (Followers: 3)
Intl. J. of Financial Services Management     Hybrid Journal   (Followers: 2)
Intl. J. of Food Safety, Nutrition and Public Health     Hybrid Journal   (Followers: 14)
Intl. J. of Forensic Engineering     Hybrid Journal   (Followers: 2)
Intl. J. of Forensic Engineering and Management     Hybrid Journal   (Followers: 3)
Intl. J. of Foresight and Innovation Policy     Hybrid Journal   (Followers: 6, SJR: 0.219, h-index: 14)
Intl. J. of Functional Informatics and Personalised Medicine     Hybrid Journal   (Followers: 5, SJR: 0.101, h-index: 7)
Intl. J. of Fuzzy Computation and Modelling     Hybrid Journal   (Followers: 2)
Intl. J. of Gender Studies in Developing Societies     Hybrid Journal   (Followers: 3)
Intl. J. of Global Energy Issues     Hybrid Journal   (Followers: 8, SJR: 0.18, h-index: 19)
Intl. J. of Global Environmental Issues     Hybrid Journal   (Followers: 3, SJR: 0.149, h-index: 15)
Intl. J. of Global Warming     Hybrid Journal   (Followers: 1, SJR: 0.431, h-index: 10)
Intl. J. of Globalisation and Small Business     Hybrid Journal   (Followers: 10, SJR: 0.293, h-index: 9)
Intl. J. of Granular Computing, Rough Sets and Intelligent Systems     Hybrid Journal   (Followers: 2)
Intl. J. of Green Economics     Hybrid Journal   (Followers: 4, SJR: 0.148, h-index: 10)
Intl. J. of Grid and Utility Computing     Hybrid Journal   (SJR: 0.235, h-index: 8)
Intl. J. of Happiness and Development     Hybrid Journal   (Followers: 5)
Intl. J. of Healthcare Technology and Management     Hybrid Journal   (Followers: 7, SJR: 0.155, h-index: 13)
Intl. J. of Heavy Vehicle Systems     Hybrid Journal   (Followers: 6, SJR: 0.154, h-index: 15)
Intl. J. of High Performance Computing and Networking     Hybrid Journal   (Followers: 4, SJR: 0.362, h-index: 10)
Intl. J. of High Performance Systems Architecture     Hybrid Journal   (Followers: 6, SJR: 0.301, h-index: 7)
Intl. J. of Higher Education and Sustainability     Hybrid Journal   (Followers: 3)
Intl. J. of Hospitality and Event Management     Hybrid Journal   (Followers: 3)
Intl. J. of Human Factors and Ergonomics     Hybrid Journal   (Followers: 17)
Intl. J. of Human Factors Modelling and Simulation     Hybrid Journal   (Followers: 16)
Intl. J. of Human Resources Development and Management     Hybrid Journal   (Followers: 23, SJR: 0.148, h-index: 11)
Intl. J. of Human Rights and Constitutional Studies     Hybrid Journal   (Followers: 11)
Intl. J. of Hydrology Science and Technology     Hybrid Journal   (Followers: 4, SJR: 0.181, h-index: 3)
Intl. J. of Image Mining     Hybrid Journal   (Followers: 1)
Intl. J. of Immunological Studies     Hybrid Journal   (Followers: 1)
Intl. J. of Indian Culture and Business Management     Hybrid Journal   (Followers: 1)
Intl. J. of Industrial and Systems Engineering     Hybrid Journal   (Followers: 9, SJR: 0.433, h-index: 19)
Intl. J. of Industrial Electronics and Drives     Hybrid Journal   (Followers: 4)
Intl. J. of Information and Coding Theory     Hybrid Journal  
Intl. J. of Information and Communication Technology     Hybrid Journal   (Followers: 6, SJR: 0.144, h-index: 5)
Intl. J. of Information and Computer Security     Hybrid Journal   (Followers: 19, SJR: 0.134, h-index: 8)
Intl. J. of Information and Decision Sciences     Hybrid Journal   (Followers: 18, SJR: 0.323, h-index: 10)
Intl. J. of Information and Operations Management Education     Hybrid Journal   (Followers: 9)
Intl. J. of Information Privacy, Security and Integrity     Hybrid Journal   (Followers: 27)
Intl. J. of Information Quality     Hybrid Journal   (Followers: 5, SJR: 0.103, h-index: 8)
Intl. J. of Information Systems and Change Management     Hybrid Journal   (Followers: 9, SJR: 0.112, h-index: 8)
Intl. J. of Information Systems and Management     Hybrid Journal   (Followers: 2)
Intl. J. of Information Technology and Management     Hybrid Journal   (Followers: 15, SJR: 0.128, h-index: 11)
Intl. J. of Information Technology, Communications and Convergence     Hybrid Journal   (Followers: 19)

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Journal Cover International Journal of Ad Hoc and Ubiquitous Computing
  [SJR: 0.245]   [H-I: 13]   [9 followers]  Follow
    
  Hybrid Journal Hybrid journal   * Containing 1 Open Access Open Access article(s) in this issue *
   ISSN (Print) 1743-8225 - ISSN (Online) 1743-8233
   Published by Inderscience Publishers Homepage  [427 journals]
  • Supporting energy efficient broadcast with unreliable links for wireless
           sensor networks
    • Authors: Chih-Min Chao, Chao-Ying Huang
      Pages: 184 - 193
      Abstract: Broadcast is an essential network operation. Designing an energy efficient broadcast becomes an important issue in a wireless sensor network (WSN) because sensor nodes are battery powered. In a low-duty-cycled WSN with unreliable links, the broadcast problem is challenging because 1) nodes may not be active simultaneously and 2) a transmission may fail to reach all the active nodes. In this paper, we define the least energy consumption broadcast problem, prove it to be NP-hard, and propose a Least-Wake-up-First broadcast scheme (LWF). By reducing the number of forwarders and the number of transmissions, LWF greatly reduces energy consumption while achieving broadcasting. Simulation results verify that LWF improves energy efficiency in duty-cycled WSNs.
      Keywords: WSN; wireless sensor network; energy efficient; duty cycle; broadcast
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 184 - 193
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085133
      Issue No: Vol. 25, No. 4 (2017)
       
  • Back-end scheduling methods of virtual clusters for energy
           conservation in event-driven WSNs
    • Authors: Haibao Chen, Yuyan Zhao, Shenghui Zhao, Guilin Chen
      Pages: 194 - 203
      Abstract: As sensor nodes of wireless sensor networks (WSNs) are generally battery-powered devices, the critical aspects to face concern how to conserve the energy for nodes, so that the network lifetime can be extended to reasonable times. In this paper, we aim at the energy conservation in event driven WSNs from the perspective of back-end scheduling for virtual clusters in cloud. Taking the Xen Credit scheduler as a baseline, we carry out a comparative study of three representative approaches (i.e., hybrid co-scheduling, balance scheduling, and dynamic switching-frequency scaling (DSS)). Then we discuss challenges in further optimising the energy conservation from the scheduling of virtual clusters. At last, we present and evaluate our proposed approach. Experimental results show that our approach outperforms the existing scheduling approaches of virtual clusters in the terms of reducing the energy consumption of WSNs.
      Keywords: event-driven WSNs; virtualisation; energy conservation; scheduling; virtual cluster; cloud
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 194 - 203
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085122
      Issue No: Vol. 25, No. 4 (2017)
       
  • The research of event-based intelligent prediction with minimum energy
           consumption of wireless sensor network node state transition strategy

         This is an Open Access Article Open Access Article

    • Authors: Jingzhao Li, Dayu Yang, Ping Ren, Zhijun Zhang
      Pages: 204 - 212
      Abstract: Whether the state transition of wireless sensor network (WSN) nodes that are based on energy-efficient can be carried out is related to the parameters of the subsequent event's occurrence such as time, and a previous estimation of the time for the uncertain events' occurrence is necessary. In this paper, we proposed a grey multistage model with a buffer operator is utilised to get the distance between nodes, and the delivered information is predicted by PSO algorithm and is amended by Kalman filtering, then, the fuzzy reasoning based on vague set is applied to get the time value of sensor networks' uncertain events. The state transition of Wireless Sensor Networks' nodes is controlled by the time values of uncertain events and the input signal. So that the Wireless Sensor Networks' nodes can get into the optimal working mode and achieve the purpose of extending the life cycle by saving the node's energy.
      Keywords: energy-efficient scheduling; event time; node state transition; wireless sensor network; WSN
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 204 - 212
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085120
      Issue No: Vol. 25, No. 4 (2017)
       
  • Improving transmission delay with sink location in low-duty-cycle
           wireless sensor networks
    • Authors: Yu-Yuan Lin, Kuo-Feng Ssu
      Pages: 213 - 224
      Abstract: A low-duty-cycle approach can significantly reduce the energy consumption in wireless sensor networks (WSNs). Sensors stay dormant most of the time and wake up only when performing tasks. However, such a technique, while prolonging the network lifetime, sets excessive challenges for reducing the transmission delay. The dissemination at different locations of the sink node results in various E2E delays because of the different transmission sequences corresponding to the working schedules of relay nodes. Thus, determining a suitable location for the sink node can efficiently improve the E2E delay. In this paper, a geographic cluster-based sink location determining (GCSLD) algorithm is introduced to reduce the transmission latency in low-duty-cycle WSNs by searching for an appropriate location for the sink node. The GCSLD algorithm is implemented and evaluated successfully. The simulation results confirm that the GCSLD determines suitable locations with lower execution overhead.
      Keywords: duty cycle; latency; end-to-end delay; transmission delay; sink; WSNs; wireless sensor networks
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 213 - 224
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085130
      Issue No: Vol. 25, No. 4 (2017)
       
  • Hybrid communication for energy-efficient data aggregation in wireless
           sensor networks
    • Authors: S. Gopikrishnan, P. Priakanth
      Pages: 225 - 240
      Abstract: Energy-efficient data aggregation is a critical issue in wireless sensor networks (WSNs) given that sensor nodes are battery-powered and deployed in remote environments. This work explores the reduction in total energy consumption of WSNs using two-hop data aggregation by constructing an energy-efficient data aggregation tree. An adaptive and hybrid routing algorithm for simultaneous data aggregation and exploitation of the data correlation between nodes using a binary search tree framework is proposed. Routes are chosen to minimise the total energy expended by the network based on the shortest response time to the broadcasting request. In this work, a highly secure asymmetric key cryptography algorithm is developed to provide secure data aggregation among the network. The proposed data aggregation approach is used to resolve the relevant energy, delay, collision and security issues. Simulation results show that data aggregation based on the hybrid tree can appreciably reduce the total energy consumption and resolve maximum data aggregation issues in WSNs.
      Keywords: collision; data aggregation; delay; energy efficiency; security; WSN; wireless sensor network
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 225 - 240
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085128
      Issue No: Vol. 25, No. 4 (2017)
       
  • Routing-Gi: routing technique to enhance energy efficiency in WSNs
    • Authors: Hassan El Alami, Abdellah Najid
      Pages: 241 - 251
      Abstract: Wireless sensors networks (WSNs) are realised as one of the most promising networking types that bridge the gap between the cyber and the things. Designing of routing protocols for WSNs is a challenging issue since sensors are mostly limited in energy and data processing. In this paper, we present a new routing technique for hierarchical routing protocols to enhance energy efficiency in WSNs, namely Routing-G<SUB align="right">i. This technique divides network area into the inner grid and clustered grids. In an inner grid, the nodes transmit directly data to the base station (BS), whereas, in clustered grid, the nodes are organised into micro-grids and thus each node transmits data to the BS through it respective cluster head. in this case, the micro-grids help to avoid unbalanced energy consumption in WSNs. Thus, the workload is evenly distributed on nodes causing the efficient energy of network to enhance. The simulation results prove the effectiveness of our technique.
      Keywords: WSN; wireless sensor networks; hierarchical routing protocols; network lifetime; cluster head; residual energy; energy efficiency
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 241 - 251
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085131
      Issue No: Vol. 25, No. 4 (2017)
       
  • Energy balance movement schemes for maximising network lifetime in WSRNs
    • Authors: Chao-Tsun Chang, Chin-Hwa Kuo, Chih-Yao Hsiao
      Pages: 252 - 263
      Abstract: Wireless sensor and robot network (WSRN) is composed of a set of sensors and robots. The mobility of robots has been proved to be quite useful in prolonging the network lifetime. However, mobility is the major energy consumption of robot. Thus, the mobility of robots requires intelligent control in order to efficiently complete appointed tasks. Compared with lightweight sensors, using robots to transmit heavy data (such as audio or video data) is more appropriate. Therefore, a communication path, which is composed of robots between the base station (BS) and the event point, should be maintained. In this paper, three movement schemes called greedy back-up (GB), stretched back-up path (SBP) and back-up path regression (BPR) approaches, are proposed, aiming to construct the data delivery path while maximising the network lifetime. Experimental results show that the proposed schemes outperform the compared MH-MDRM-CP approach in terms of network lifetime and moving distance.
      Keywords: energy balance; network lifetime; WSNs; wireless sensor networks; WSRNs; wireless sensor and robot networks
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 252 - 263
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085129
      Issue No: Vol. 25, No. 4 (2017)
       
  • A performance evaluation approach for MAC protocols of wireless multimedia
           sensor networks
    • Authors: Hicham Touil, Youssef Fakhri, Mounir Ait Kerroum
      Pages: 264 - 272
      Abstract: The performance evaluation and comparison of any proposed medium access control (MAC) protocol with existing MAC protocol is not always an easy step. Seen that, the re-implementation of existing MAC protocols that will be used in comparison takes significant time. As well, there are points that limit the exploitation of the results of an evaluation in future comparison. In this paper, we propose a performance evaluation approach that resolves these points, and offers other advantages. This approach allows assigning MAC protocol after a predefined evaluation steps to a well-predefined performance class. As well, a performance label is generated for the protocol, which contains information on guaranteed quality of service (QoS) that will allow determining strengths and weakness. The generated label for the evaluated protocol will be used in all future MAC protocols comparison, thing that will eliminate time lost in re-implementation and performance evaluation of the protocol.
      Keywords: MAC protocol; QoS; quality of service; performance evaluation; energy; wireless multimedia sensor networks; MAC; medium access control; label; multimedia traffic; contention based
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 264 - 272
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085112
      Issue No: Vol. 25, No. 4 (2017)
       
  • Towards a pervasive information system for patient triage and referral in
           emergency departments
    • Authors: Abdelhadi Bouain, Abdelaziz El Fazziki, Mohammed Sadgal, Mohamed Nezar Abourraja
      Pages: 273 - 283
      Abstract: Every day, many people come to emergency departments; the orientation and placement of these patients in a waiting list according to the seriousness of their health conditions is an important task that requires a lot of skilled human resources and time. In addition, some people abuse the system by seeking care for minor problems, which significantly increases the emergency department overcrowding. To facilitate and accelerate the process of triage and referral in emergency departments, we propose to create a pervasive environment with a set of sensors. The information system (IS) of this space must exactly determine the patient's state of health and whether he or she must be presented urgently to a specialist, or may be queued according to a given order of priorities; in some cases, he or she must be referred to specialised emergency (maternity, psychiatry, cardiology, etc.). In this document, we present the architecture, implementation and simulation of our system for triage and referral in emergency departments.
      Keywords: pervasive computing; context information; health sensors; triage and referral; emergency department; pervasive healthcare
      Citation: International Journal of Ad Hoc and Ubiquitous Computing, Vol. 25, No. 4 (2017) pp. 273 - 283
      PubDate: 2017-07-12T23:20:50-05:00
      DOI: 10.1504/IJAHUC.2017.085132
      Issue No: Vol. 25, No. 4 (2017)
       
 
 
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