LTE无线网络虚拟化中切片调度策略

庞晓丹; 李薇薇; 孙茜; 田霖

doi:10.11959/j.issn.1000-0801.2017041

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LTE无线网络虚拟化中切片调度策略

研究与开发 | 更新时间：2024-06-05

- LTE无线网络虚拟化中切片调度策略
- Slice scheduling strategy in LTE wireless network virtualization
- 电信科学 2017年33卷第2期页码：66-72
- 作者机构：
  
  1. 河北工业大学，天津 300401
  2. 中国科学院计算技术研究所，北京 100190
  3. 中国科学院大学，北京 100049
- 作者简介：
  
  [ "庞晓丹（1991-），女，河北工业大学硕士生，主要研究方向为未来移动通信网络架构与虚拟化技术。" ]
  [ "李薇薇（1978-），女，博士，河北工业大学副教授，主要研究方向为无线侧网络虚拟化技术、集成电路制造工艺等。" ]
  [ "孙茜（1990-），女，中国科学院计算技术研究所实习研究员，主要研究方向为虚拟化技术与天地一体化信息网络。" ]
  [ "田霖（1980-），女，博士，中国科学院计算技术研究所副研究员，中国科学院大学副教授，主要研究方向为绿色无线通信系统与无线资源管理技术。" ]
- 基金信息：
  
  国家自然科学基金资助项目;The National Natural Science Foundation of China(61431001)
- DOI：10.11959/j.issn.1000-0801.2017041
  中图分类号： TN915
- 网络出版日期：2017-02，
  
  纸质出版日期：2017-02-20
- 稿件说明：
移动端阅览
庞晓丹, 李薇薇, 孙茜, 等. LTE无线网络虚拟化中切片调度策略[J]. 电信科学, 2017,33(2):66-72.

Xiaodan PANG, Weiwei LI, Qian SUN, et al. Slice scheduling strategy in LTE wireless network virtualization[J]. Telecommunications science, 2017, 33(2): 66-72.
庞晓丹, 李薇薇, 孙茜, 等. LTE无线网络虚拟化中切片调度策略[J]. 电信科学, 2017,33(2):66-72. DOI： 10.11959/j.issn.1000-0801.2017041.

Xiaodan PANG, Weiwei LI, Qian SUN, et al. Slice scheduling strategy in LTE wireless network virtualization[J]. Telecommunications science, 2017, 33(2): 66-72. DOI： 10.11959/j.issn.1000-0801.2017041.

摘要

研究了未来移动通信网络切片机制，针对LTE系统下行在基站内建立媒体接入控制（MAC）层流级别的切片调度器，使得运营商之间可以按照预设比例共享资源。运营商作为切片的拥有者可以根据不同的服务等级协议（SLA）来对其资源比例进行设定。比较固定切片与网络虚拟化基片（NVS）框架下切片的资源块利用率，进行了系统级仿真实验。相对于固定切片方法，NVS方法在不同切片间用户相互隔离的情况下有更好的资源利用率。此外，针对实时（RT）业务和非实时（NRT）业务在时延上的差异建立业务切片，定制化地选择其调度算法策略，从而在降低分组丢失率的同时提升整个系统的性能。

Abstract

The future mobile communication network slicing mechanism was studied.A slice scheduler of flow level in medium access control (MAC) layer within the base station was used to utilize the shared resources between operators by predetermined proportion in the downlink LTE system.According to the different service level agreement parameters

the wireless resources are allocated for operators

which is the owner of slices in wireless network virtualization.System level simulation experiment and the comparison of the utilization between different slice methods were carried out.Compared to fixed slice method

the NVS method ensures that the users in different slices can achieve better utilization of wireless resources.In addition

the slices for services were established according to the difference of real-time(RT)and non-real-time(NRT)traffic requests

which minimizes the packet loss rate and ensures performance of the whole system.

关键词

Keywords

references

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