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Performance comparisons between cellular-only and cellular/WLAN integrated systems based on analytical models

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Abstract

To solve the traffic load imbalance issue in cellular networks, which is often in the form of hot-spots caused by the different user mobility levels, one of the good solutions at present is to construct heterogeneous integrated wireless networks that combine cellular networks and wireless local area networks (WLANs) together. In general, the traffic volume is significantly heavier in the hot-spots of cellular networks and a higher data transferring rate can be provided by introducing aWLAN so as to raise the utilization of the channel and achieve a good balance between user satisfaction and the efficiency of the network. In this paper, we provide a comprehensive performance comparison of the systems both before and after the integration, based on an existing mathematical model, focusing on both the qualitative and the quantitative analysis of changes in the performance of the system to validate the efficiency and superiority of the cellular/WLAN integrated systems over cellular-only systems.

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Authors and Affiliations

  1. School of Computer Science and Software, Tianjin Polytechnic University, Tianjin, 300387, China

    Guozhi Song, Liying Yang & Jigang Wu

  2. School of Electronic Engineering and Computer Science, Queen Mary, University of London, London, E1 4NS, UK

    John Schormans

Authors
  1. Guozhi Song
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  2. Liying Yang
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  3. Jigang Wu
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  4. John Schormans
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Corresponding author

Correspondence to Guozhi Song.

Additional information

Guozhi Song received the BEng degree in computer science and technology from Harbin Institute of Technology, and both his MSc and PhD degrees from the School of Electronic Engineering and Computer Science at Queen Mary, University of London. He is currently a lecturer with the department of networks in the School of Computer Science and Software at Tianjin Polytechnic University, China. He has published over 20 international papers. His research interests are in the areas of next generation wireless networks, teletraffic engineering and queueing theory.

Liying Yang received the BSc degree in computer science and application from Zhongbei University. She is currently working toward the MSc degree with the School of Computer Science and Software at Tianjin Polytechnic University. Her research interests are in the areas of wireless network modelling and simulation.

Jigang Wu received the PhD degree in computer software and theory from University of Science and Technology China. He then worked with the Centre for High Performance Embedded System at Nanyang Technological University, Singapore, as a research fellow for many years. He is now a professor with the department of networks of the School of Computer Science and Software at Tianjin Polytechnic University, China. He has published over 100 papers. His research interests are in the areas of grid computing, parallel computing, and embedded system.

John Schormans is currently a reader with the School of Electronic Engineering and Computer Science, Queen Mary, University of London. He has published over 100 papers and two monographs. His research interests are in the areas of broadband packet networks including accelerated simulation, queueing theory, packet level measurements, traffic control, and network performance.

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Song, G., Yang, L., Wu, J. et al. Performance comparisons between cellular-only and cellular/WLAN integrated systems based on analytical models. Front. Comput. Sci. 7, 486–495 (2013). https://doi.org/10.1007/s11704-013-2198-z

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  • DOI: https://doi.org/10.1007/s11704-013-2198-z

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