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Predictive Timely Trigger and Performance Optimization for Deterministic Handovers

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Abstract

Pre-registration as an important feature in FIMPv6, ensures providing the continuous mobility services for the end-users roaming across heterogeneous wireless networks, and is achieved by obtaining the timely and precise link layer (L2) trigger in the handover preparation. Firing the L2 trigger in the timely manner for deterministic handovers hence is crucial for guaranteeing the handover performance, but difficult to be achieved in the practical application scenarios. The late L2 trigger causes a missed detection deteriorating the quality of service perceived by the mobile node. To address this issue, taking the measured received signal strength (RSS) as the evaluated index, a predictive model based on the combination of Empirical Mode Decomposition and Support Vector Regression is proposed to predict the RSS values for timely firing the event of handover trigger, and then the performance optimization is further designed with the assistant of the predictive trigger. With an appropriate implementation of the predictive trigger model, the accuracy is compared with the representative time series predictive model, and the efficiency has been verified by the simulations conducted on the NS-2 platform.

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Acknowledgments

This study is supported by National Natural Science Fund, China (Grant No. 61300198), Guangdong Province Natural Science Foundation (S2013040016582), Guangdong Higher School Scientific Innovation Project (Nos. 2013KJCX0177 & 2014KTSCX188), Fundamental Research Funds for the Central Universities (SCUT 2014ZB0029), and China Postdoctoral Science Foundation (No. 2014M552199).

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Authors and Affiliations

  1. School of Computer, Dongguan University of Technology, Dongguan, 523808, China

    Ming Tao & Chao Qu

  2. School of Computer Science and Engineering, South China University of Technology, Guangzhou, 510006, China

    Ming Tao & Fagui Liu

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  1. Ming Tao
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  2. Fagui Liu
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  3. Chao Qu
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Correspondence to Ming Tao.

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Tao, M., Liu, F. & Qu, C. Predictive Timely Trigger and Performance Optimization for Deterministic Handovers. Int J Wireless Inf Networks 22, 97–104 (2015). https://doi.org/10.1007/s10776-015-0262-3

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  • DOI: https://doi.org/10.1007/s10776-015-0262-3

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