基于细粒度切片的6G网络弹性切换算法研究

doi:10.11959/j.issn.1000-436x.2022177

Abstract

Abstract:

With the emergence of high-bandwidth services such as holographic communication and augmented reality in the future, high-bandwidth services will be divided into finer-grained service slices according to the rates to meet diverse requirements of users.For the problem of how to complete network switching in a fine-grained slicing of large bandwidth services, an elastic handover algorithm of 6G network based on bipartite graph stable matching was proposed.By optimizing “user-network slice-base station” association, the total rate of users was maximized, and the access problem was modeled as a hierarchical bipartite graph stable matching problem.Then by using the two matching ideas of “slice base station” integration and “slice first and then base station”, the adaptive handoff of the network was realized by using Gale-Shapley algorithm.Simulation results show that the access success rates of the proposed integrated and two-stage matching algorithms are 15% and 10% higher respectively than that of the traditional method, and the total rate of users is also significantly improved.

Key words: network handover, fine-grained slicing, elastic matching, resource allocation

CLC Number:

TN929.5

Xiaorong ZHU, Kang CHEN. Research on elastic handover algorithm of 6G network based on fine-grained slicing[J]. Journal on Communications, 2022, 43(9): 148-156.

Figures/Tables 11

References 21

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网络参数	参数值
仿真区域	600 m×600 m
基站数目	4
切片数目	6
用户需求等级	U[1,6]
基站无线信道带宽/MHz	20
基站发射功率/dBm	30
噪声功率/(dBm·Hz^–1)	–174
基站总干扰	1

切片类型	部署基站
切片1	基站2、基站4
切片2	基站1
切片3	基站3、基站4
切片4	基站1、基站2、基站3
切片5	基站1、基站3
切片6	基站2、基站3

Research on elastic handover algorithm of 6G network based on fine-grained slicing

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