Vertical handoff algorithm in heterogeneous networks based on vehicle terminal behavior

被引：0
|
作者：
Qian Z.-H. [1 ]
Yu X.-Y. [1 ]
Xu J.-H. [2 ]
Wang X. [1 ]
机构：
[1] College of Communication Engineering, Jilin University, Changchun
[2] The 41st Institute, CETC, Qingdao
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2019年 / 49卷 / 02期
关键词：
Analytic hierarchy process; Communication technology; Heterogeneous wireless networks; Markov process; Vertical handoff;
D O I：
10.13229/j.cnki.jdxbgxb20171175
中图分类号：
学科分类号：
摘要：
In order to improve the performance of vertical handoff for vehicle terminals, a vertical handoff algorithm based on vehicle terminal behavior patterns is proposed. First, the factors for different parameters are determined according to the drive speed be means of Analysis Hierarchy Process (AHP) in the architecture of the Software Defined Network (SDN), and both of the factors and drive directions determine the weight value. Then, the Markov process is used to construct the reward function under the influence of different weight values. Finally, the decision interval is determined based on speed by means of the fuzzy logic and the algorithm is completed. The simulation results show that the proposed algorithm can effectively improve the revenue value of users and succeed to reduce the handoff time, so as to improve the Quality of Service (QoS) of the vehicle terminals. © 2019, Jilin University Press. All right reserved.
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页码：614 / 623
页数：9
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