Conflict Coordination Between Mobility Load Balancing and Mobility Robustness Optimization

doi:10.3969/j.issn.1000-3428.2012.01.009

Computer Engineering ›› 2012, Vol. 38 ›› Issue (01): 37-41.

• Networks and Communications • Previous Articles Next Articles

Conflict Coordination Between Mobility Load Balancing and Mobility Robustness Optimization

YU Jian-tao ^1,2,3,4, HU Hong-lin^1,2,3, JIN Sheng-yao ^1,2,3, ZHENG Xiao-ying^2,5

(1. Shanghai Research Center of Wireless Communication, Shanghai 200335, China; 2. Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China; 3. Key Laboratory of Wireless Sensor Network & Communication, Chinese Academy of Sciences, Shanghai 200335, China; 4. Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 5. State Key Laboratory of Mobile Communications, Southeast University, Nanjing 210096, China)

Received:2011-08-15 Online:2012-01-05 Published:2012-01-05

移动负载均衡与移动鲁棒性优化的冲突协调

余建涛^1,2,3,4，胡宏林^1,2,3，金圣峣^1,2,3，郑小盈^2,5

(1. 上海无线通信研究中心，上海 200335；2. 中国科学院上海微系统与信息技术研究所，上海 200050； 3. 中国科学院无线传感网与通信重点实验室，上海 200335；4. 中国科学院研究生院，北京 100049； 5. 东南大学移动通信国家重点实验室，南京 210096)

作者简介:余建涛(1986－)，男，硕士研究生，主研方向：移动通信网，网络优化；胡宏林，研究员；金圣峣、郑小盈，助理研究员
基金资助:
国家科技重大专项基金资助项目“IMT-A新型无线资源管理研究及验证”(2009ZX03003-007-03)；国家科技重大专项基金资助项目“超高速无线局域网无线接口关键技术研究与验证”(2010ZX 03005-001-03)；上海市科委基础研究基金资助重大项目“融合网络环境中的异构网络传输技术研究”(10DJ1400302)；东南大学移动通信国家重点实验室开放研究基金资助项目

Abstract

Abstract:

In Long Term Evaluation(LTE) system, Mobility Load Balancing(MLB) and Mobility Robustness Optimization(MRO) may conflict with each other when they both adjust handover parameters to optimize their respective objects, and consequently system performance degrades. A coordination mechanism embedded in the MLB is proposed to alleviate the impact of conflict problem between MLB and MRO by mobility robustness supervision, handover edge labeling and parameter rollback. Simulation results show that this mechanism can immediately prevent negative handover parameters adjustments by MLB, and decrease the number of mobility problems caused by MLB.

Key words: Long Term Evaluation(LTE) system, Self-organizing Network(SON), Mobility Load Balancing(MLB), Mobility Robustness Optimization(MRO), handover, Radio Link Failure(RLF)

摘要：

在长期演进系统中，移动负载均衡(MLB)和移动鲁棒性优化(MRO)都通过调整切换相关参数优化各自性能目标，这会引发冲突，降低系统性能。为此，提出一套针对MLB的协调机制，采用移动鲁棒性监测、切换边界标记和参数回调等方法避免两者的冲突。仿真结果表明，该协调机制能够防止MLB对切换参数的不当调节，减少切换次数，避免链路失败等问题。

关键词: 长期演进系统, 自组织网络, 移动负载均衡, 移动鲁棒性优化, 切换, 无线链路失败

CLC Number:

TP393

TU Jian-Chao, HU Hong-Lin, JIN Ku-Yao, ZHENG Xiao-Ying. Conflict Coordination Between Mobility Load Balancing and Mobility Robustness Optimization[J]. Computer Engineering, 2012, 38(01): 37-41.

余建涛, 胡宏林, 金圣峣, 郑小盈. 移动负载均衡与移动鲁棒性优化的冲突协调[J]. 计算机工程, 2012, 38(01): 37-41.

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https://www.ecice06.com/EN/Y2012/V38/I01/37

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移动负载均衡与移动鲁棒性优化的冲突协调

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