Time threshold-based priority vertical switching method between 5G heterogeneous network

A vertical switching and priority technology, applied in wireless communication, electrical components, etc., to achieve performance advantages and improve the effect of UVH switching call loss rate

Pending Publication Date: 2021-12-10
EAST CHINA NORMAL UNIVERSITY
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  • Abstract
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AI Technical Summary

Problems solved by technology

M. Salamah et al pointed out in the paper "A FairBandwidth Allocation Scheme for Multimedia Handoff Calls in CellularNetworks" published in the journal "New Trends in Computer Networks" in 2005: "For online voice calls, if the duration of the call is very short, the call will be dropped. , the user will be very annoyed, and when the call is dropped after a certain period of time, the user's dissatisfaction will not be so strong; similarly, for online data calls, when the connection time is less than an acceptable range, the user can generally be dropped Tolerant, but when the online data transmission has been going on for a considerable period of time and the connection drops, the user's dissatisfaction will be quite strong”

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  • Time threshold-based priority vertical switching method between 5G heterogeneous network
  • Time threshold-based priority vertical switching method between 5G heterogeneous network
  • Time threshold-based priority vertical switching method between 5G heterogeneous network

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Embodiment Construction

[0025] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are not intended to limit the invention. Variations and advantages that can occur to those skilled in the art without departing from the spirit and scope of the inventive concept are included in the present invention.

[0026] figure 1 The cellular mobile network / WLAN interworking system structure is shown, in the figure: single cellular coverage area 1, vertical handover 2 and dual coverage area 3; this structure provides voice and broadband data services for cellular mobile terminals and wireless terminals within the WLAN coverage area . In the simulation of the embodiment, the channel capacity B of each cell is 20BBUs (basic bandwidth unit), and the channel capacity of each WLAN coverage area is 54BBUs. Channel Threshold B for Cellular Mobile Channel Settings u and B n Both are 20BBUs. To meet service QoS requiremen...

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Abstract

The invention discloses a time threshold-based priority vertical switching method between 5G heterogeneous networks, and provides an improved time threshold-based priority hopping vertical switching method for a 5G heterogeneous network application environment on the basis of a CoMP (Coordinated Multi-Point) technology adopted by the 5G network in the aspect of wireless resource management. According to the method, the congestion degree occupied by channels in a cellular coverage area is reduced by improving a DVH decision algorithm of online voice calls in a dual coverage area between heterogeneous networks. The invention has the beneficial effects that the priority UVH call loss rate, the non-priority UVH call loss rate and the newly added cellular call blocking rate performance of the system are obviously improved while the overall high channel utilization rate of the system is kept, and the effective utilization of network channel resources is realized.

Description

technical field [0001] The invention relates to the technical field of wireless communication, in particular to a time-threshold-based priority vertical switching method between 5G heterogeneous networks. Background technique [0002] At present, with the continuous growth of people's demand for mobile access services, 5G wireless communication technology is developing in the direction of realizing the interoperability of heterogeneous wireless networks. Cellular mobile network and wireless local area network (WLAN) are two major wireless communication networks in modern wireless communication. Cellular mobile network is characterized by large coverage and low bandwidth, on the contrary, WLAN has the characteristics of small coverage and high bandwidth. The intercommunication between the cellular mobile network and the WLAN can complement the advantages of the two and enhance the quality of service (QoS) of the provided services. [0003] The process of switching connectio...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W36/00
CPCH04W24/02H04W36/0083
Inventor 蔡家麟
Owner EAST CHINA NORMAL UNIVERSITY
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