Vertical Handoff Algorithm for Improving User Experience

WU Liping; WANG Shuangshuang; MA Bin

doi:10.11999/JEIT210523

Volume 44 Issue 8

Aug. 2022

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WU Liping, WANG Shuangshuang, MA Bin. Vertical Handoff Algorithm for Improving User Experience[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2824-2832. doi: 10.11999/JEIT210523

Citation:

WU Liping, WANG Shuangshuang, MA Bin. Vertical Handoff Algorithm for Improving User Experience[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2824-2832. doi: 10.11999/JEIT210523

WU Liping, WANG Shuangshuang, MA Bin. Vertical Handoff Algorithm for Improving User Experience[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2824-2832. doi: 10.11999/JEIT210523

Citation:

WU Liping, WANG Shuangshuang, MA Bin. Vertical Handoff Algorithm for Improving User Experience[J]. Journal of Electronics & Information Technology, 2022, 44(8): 2824-2832. doi: 10.11999/JEIT210523

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Vertical Handoff Algorithm for Improving User Experience

doi: 10.11999/JEIT210523

WU Liping^{1, 2},
WANG Shuangshuang^{2, 3
,
,},
MA Bin^{2, 3}

1.
Cooperation Office of Industry University Research, Chongqing University of Post and Telecommunication, Chongqing 400065, China
2.
Chongqing Key Laboratory of Computer Network and Communication Technology, Chongqing University of Post and Telecommunication, Chongqing 400065, China
3.
Institute of Computer Science and Technology, Chongqing University of Post and Telecommunication, Chongqing 400065, China

Funds: The Major Project of Science and Technology Research of Chongqing Education Commission (KJZD-M201900602), The Foundation Research and Advanced Exploration project of Chongqing(CSTC2018jcyjAX0432), The Project of Science Research Innovation of Chongqing Graduate Students(CYS20256)

Received Date: 2021-06-07
Accepted Date: 2021-11-18
Rev Recd Date: 2021-11-16

Available Online: 2021-11-20

Publish Date: 2022-08-17

Abstract

Abstract

In order to solve the problem that the drop rate keeps increasing due to the ultra-high dynamic characteristics of ultra-dense heterogeneous wireless networks, and considering the large time cost of previous vertical handoff algorithm based on fuzzy logic correlation, a vertical handoff algorithm for improving user experience is proposed. Firstly, 5G core access and mobile management functions are used to discover all candidate networks near the terminals. At the same time, the environment awareness ability of Self-Organized Network(SON) technology is used to monitor the running status of networks at any time and maintain actively the neighbor relationship table between them. Then, the Dynamic Fuzzy Neural Network (DFNN) algorithm is introduced to execute the handover decision, and the network parameters obtained are taken as the input of the system to generate dynamically a rule base that is effective for vertical handoff. After learning, the output decision value is calculated, and the best access network for the terminal is selected. Finally, the simulation results show that the algorithm can significantly alleviate the drop of calls in the process of vertical handoff and reduce the probability of handover failure. Meanwhile, compared with other similar algorithms, it can maintain a lower time cost.
- Self-Organized Network(SON),
- Ultra-dense,
- Vertical handoff,
- Dynamic rules

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References(20)

References

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