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OCSM: an optimized channel split method—towards real-time and on-demand data broadcast scheduling

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Abstract

In recent years, it has been witnessed a boom in the development of mobile networks and a great increase in the computing ability of mobile devices. The rapid booming in client requests lead to some new challenges for real-time on-demand data broadcasting: (1) the dynamic diversity of the data characteristics; (2) the dynamic diversity of real-time clients’ demand greatly increase the volume of hot-spot data (the most access data); and (3) the clients’ demands for high service quality. To date, the current research has focused on the fixed-channel models (i.e. the bandwidth and number of channels are unchangeable) and algorithms. To adapt to the characteristics of the real-time requests, an optimized channel split method (OCSM) is proposed for automatic channel split and data allocation in this paper. The experiments undertaken in this study included two aspects: (1) determining the different strategies under different data sizes and deadlines; and (2) verifying the validity of the automatic channel split and data allocation through a series of experiments with the general performance matrics. The results show that the proposed method outperforms some of the state-of-the-art scheduling algorithms.

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Acknowledgements

This work is partially supported by National Natural Science Foundation of China (61572369); National Natural Science Foundation of Hubei Province (2015CFB423); Wuhan Major Science and Technology Program (2015010101010023).

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Authors and Affiliations

  1. School of Computer, Wuhan University, Wuhan, Hubei Province, China

    Wenbin Hu, Zhenyu Qiu, Cong Nie & Fu Lin

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  1. Wenbin Hu
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  2. Zhenyu Qiu
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  3. Cong Nie
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  4. Fu Lin
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Correspondence to Wenbin Hu or Fu Lin.

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Hu, W., Qiu, Z., Nie, C. et al. OCSM: an optimized channel split method—towards real-time and on-demand data broadcast scheduling. Wireless Netw 25, 861–874 (2019). https://doi.org/10.1007/s11276-017-1598-7

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  • DOI: https://doi.org/10.1007/s11276-017-1598-7

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