LTE International Roaming Optimization Scheme Based on Equivalent PLMN

Jie Qin; Chen Fang; Haichen Liu; Wenbing Cheng; Bing Wu; Xiaozhi Pan; Riming Liang; Zhihua Chen

doi:10.11959/j.issn.1000-0801.2015247

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LTE International Roaming Optimization Scheme Based on Equivalent PLMN

Operating technology wide-angle | 更新时间：2024-06-05

- LTE International Roaming Optimization Scheme Based on Equivalent PLMN
- Telecommunications Science Vol. 31, Issue 12, Pages: 148-152(2015)
- 作者机构：
  
  1. 中国移动通信集团广东有限公司深圳分公司深圳518048
  2. 中国移动通信集团香港有限公司香港999077
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-0801.2015247
  CLC：
- Published Online：2015-12，
  
  Published：20 December 2015
- 稿件说明：
移动端阅览
Jie Qin, Chen Fang, Haichen Liu, et al. LTE International Roaming Optimization Scheme Based on Equivalent PLMN[J]. Telecommunications science, 2015, 31(12): 148-152.
DOI：

Jie Qin, Chen Fang, Haichen Liu, et al. LTE International Roaming Optimization Scheme Based on Equivalent PLMN[J]. Telecommunications science, 2015, 31(12): 148-152. DOI： 10.11959/j.issn.1000-0801.2015247.

摘要

随着LTE国际漫游业务的逐步开通，用户跨境漫游选网时延过长的问题日益受到关注。研究了基于对等PLMN的LTE国际漫游优化方案，并通过在深圳、香港两地边境口岸的深圳移动和香港移动LTE网络联合部署对等PLMN技术，实现终端在两个地区运营商之间的跨境空闲状态小区重选以及连接状态重定向，进而达到低成本快速提升用户漫游感知的目标。优化方案实施后，深圳、香港两地漫游用户过境时平均通信中断时长由原来的90 s大幅缩短至5.96 s，减少93.4%，极大地改善了两地用户往来漫游感知。

Abstract

With the development of LTE international roaming

the long time delay for roaming network selection has recently attracted much attention. A LTE international roaming optimization scheme based on equivalent PLMN was investigated. By deploying the scheme in China Mobile Shenzhen Branch and HongKong Branch LTE networks at frontier ports area

UE can do reselection（in idle mode）and redirection（in connected mode）between cells from different operators across the boundary. The average no service time across the boundary shortened from 90 seconds to 5.96 seconds

the customer's international roaming perception was greatly improved.

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references

3GPP TS 24.301. Non-Access-Stratum （NAS）Protocol for Evolved Packet System（EPS） , 2014

3GPP TS 23.122. Non-Access-Stratum（NAS）Functions Related to Mobile Station（MS）in Idle Mode , 2014

3GPP TS 31.102. Characteristics of the Universal Subscriber Identity Module（USIM）Application , 2014

3GPP TS 22.011. Service Accessibility , 2014

3GPP TS 36.304. User Equipment （UE）Procedures in Idle Mode , 2014

GPP TS25.304. User Equipment（UE）Procedures in Idle Mode and Procedures for Cell Reselection in Connected Mode , 2014

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