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Vertical switching method capable of adaptive to terminal requirements in ultra-dense heterogeneous wireless network

A heterogeneous wireless network and self-adaptive terminal technology, applied in the field of vertical handover, can solve problems such as unbalanced, frequent triggering of unnecessary handover network load by mobile terminals, and failure to consider the differences in different wireless network services based on the actual needs of the terminal. Reduce the effect of unnecessary switching

Active Publication Date: 2021-04-16
CHONGQING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0004] In addition, the above-mentioned handover strategies for heterogeneous 5G networks all use the optimal overall performance of the network or the R SS threshold as the handover basis, without considering the actual needs of the terminal The differences between different wireless network services cause mobile terminals to frequently trigger unnecessary switching and unbalanced network load

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  • Vertical switching method capable of adaptive to terminal requirements in ultra-dense heterogeneous wireless network
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  • Vertical switching method capable of adaptive to terminal requirements in ultra-dense heterogeneous wireless network

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Embodiment Construction

[0053] The technical solutions in the embodiments of the present invention will be described clearly and in detail below with reference to the drawings in the embodiments of the present invention. The described embodiments are only some of the embodiments of the invention.

[0054] The technical scheme that the present invention solves the problems of the technologies described above is:

[0055] This method comprehensively considers the overlapping coverage and network performance differences of different coverage radii in heterogeneous 5G networks, which cause unnecessary handover and unbalanced load caused by terminals, and proposes a vertical handover method that adapts to terminal needs, which can be self-adaptive Switching is triggered by terminal demand, which can enhance network service stability, balance network load, and improve overall system performance while ensuring terminal satisfaction.

[0056] The network selection method that the present invention proposes ...

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Abstract

The invention relates to a vertical switching method adaptive to terminal requirements in an ultra-dense heterogeneous wireless network, which belongs to the field of mobile communication and specifically comprises the following steps of: firstly, analyzing the relationship between the performances of a target network and a current network and the terminal requirements, and proposing a switching level evaluation method to reduce unnecessary switching while meeting the terminal requirements; and secondly, calculating the network performance income after switching, and predicting the switching state of the mobile terminal at the next moment by marking the end time of the network, thereby improving the accuracy of the network performance income; thirdly, using the optimized fuzzy logic, taking the switching factor and the network performance income as input to acquire an output value for final switching judgment; finally, indicating that a simulation result shows that the method can be self-adaptive to terminal demand triggering switching so that the network service stability can be enhanced, the network load is balanced, and overall performance of the system is improved while the satisfaction degree of the terminal is ensured.

Description

technical field [0001] The invention belongs to the field of mobile communication, in particular to a vertical switching method in an ultra-dense heterogeneous wireless network. Background technique [0002] With the continuous development of 5G network technology, it is bound to form a more complex and huge heterogeneous 5G network environment with the current wireless network environment, and jointly provide wireless network services with different characteristics for mobile terminals. In these complex network environments, the process of mobile terminals switching from one access point to an access point of a different technology is called vertical handover. How to switch mobile terminals to a network that meets the needs in such a large heterogeneous environment has become a challenge hot issues of research in this field. [0003] The literature [XU ​​Xiaodong, TANG Xiaoxuan, SUN Zhao, et al.Delay-oriented cr oss-tier handover optimization in ultra-dense heterogeneous n...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/16H04W36/24H04W36/30
CPCY02D30/70
Inventor 马彬汪思霖
Owner CHONGQING UNIV OF POSTS & TELECOMM
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