异构无线网络中基于业务转移和接入控制的混合负载均衡

doi:10.3969/j.issn.0372-2112.2013.02.018

电子学报 ›› 2013, Vol. 41 ›› Issue (2): 321-328.DOI: 10.3969/j.issn.0372-2112.2013.02.018

异构无线网络中基于业务转移和接入控制的混合负载均衡

盛洁¹, 唐良瑞¹, 郝建红²

1. 新能源电力系统国家重点实验室(华北电力大学),北京 102206;
2. 华北电力大学电气与电子工程学院,北京 102206

收稿日期:2012-01-10 修回日期:2012-09-25 出版日期:2013-02-25
- 作者简介:
- 盛洁 女,1985年生于江苏省扬州市,华北电力大学博士研究生在读,主要从事无线通信及电力系统通信方面的研究. E-mail:shenglujing@ncepu.edu.cn 唐良瑞 男,1966年生于湖南省永州市,华北电力大学电气与电子工程学院教授,博士生导师,主要从事电力系统通信与信息处理、无线传感器网络与物联网技术等方面的研究. E-mail:tangliangrui@163.com
- 基金资助:
- 国家科技重大专项 (No.2010ZX03006-005-001); 中央高校基本科研业务费专项基金 (No.11QX47)

Hybrid Load Balancing Algorithm Based on Service Transformation and Admission Control in Heterogeneous Wireless Networks

SHENG Jie¹, TANG Liang-rui¹, Hao Jian-hong²

1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources(North China Electric Power University), Beijing 102206, China;
2. School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China

Received:2012-01-10 Revised:2012-09-25 Online:2013-02-25 Published:2013-02-25
- Supported by:
- National Science and Technology Major Project of the Ministry of Science and Technology (No.2010ZX03006-005-001); Fundamental Research Funds for the Central Universities (No.11QX47)

摘要/Abstract

摘要： 针对现有异构无线网络负载均衡方法未能综合考虑重载网络业务转移和新业务接入控制的问题,提出了一种混合负载均衡算法.该算法首先根据各小区负载水平和终端移动性,将重载小区的适量业务向重叠覆盖的轻载小区转移;其次通过资源预留和强占优先的接入控制策略,为不同优先级的新到业务提供有差别的服务.仿真结果表明,本文算法在保证系统资源利用率的同时,保障了实时与非实时业务的QoS,并相对于参考算法有效降低了系统阻塞率和业务切换概率.

关键词: 异构无线网络, 无线资源管理, 负载均衡, 接入控制

Abstract: Aiming at working out the problem of existing load balancing algorithms that failed to consider the combination of load transfer scheme and call admission control scheme in heterogeneous wireless networks,a hybrid load balancing algorithm is proposed.Firstly,an adequate number of ongoing calls can be transferred from overload cells into the overlapping ones with light workload according to the load rate of each cell and terminal mobility.Then,new calls with different priorities are differential served by means of resource reservation and preemptive priority based call admission control strategy.Simulation results show that the algorithm can guarantee the system resource utilization and the QoS of real time and non-real time services,as well as decrease the system call blocking probability and handover rate effectively compared to the reference algorithms.

Key words: heterogeneous wireless networks, radio resources management, load balancing, admission control

中图分类号:

TN929.5

盛洁, 唐良瑞, 郝建红. 异构无线网络中基于业务转移和接入控制的混合负载均衡[J]. 电子学报, 2013, 41(2): 321-328.

SHENG Jie, TANG Liang-rui, Hao Jian-hong . Hybrid Load Balancing Algorithm Based on Service Transformation and Admission Control in Heterogeneous Wireless Networks[J]. Acta Electronica Sinica, 2013, 41(2): 321-328.

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异构无线网络中基于业务转移和接入控制的混合负载均衡

Hybrid Load Balancing Algorithm Based on Service Transformation and Admission Control in Heterogeneous Wireless Networks

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