异构无线网络联合呼叫接纳控制优化算法

doi:10.3969/j.issn.1001-2400.2013.05.031

J4 ›› 2013, Vol. 40 ›› Issue (5): 194-199.doi: 10.3969/j.issn.1001-2400.2013.05.031

异构无线网络联合呼叫接纳控制优化算法

冯晓峰;祁飞;吕宗庭

(西安电子科技大学电子工程学院，陕西西安 710071)

收稿日期:2012-11-07 出版日期:2013-10-20 发布日期:2013-11-27
作者简介:冯晓峰(1986-)，男，西安电子科技大学博士研究生，E-mail: xffeng1986@gmail.com．
基金资助:
国家自然科学基金重点资助项目(60832005)；中央高校基本科研业务费专项资金资助项目(K5051302016)

Fairness-aware joint call admission control in heterogeneous wireless networks

FENG Xiaofeng;QI Fei;LV Zongting

(School of Electronic Engineering, Xidian Univ., Xi'an 710071， China)

Received:2012-11-07 Online:2013-10-20 Published:2013-11-27

摘要/Abstract

摘要：

异构无线网络中无线资源在异构终端之间的分配存在不公平性，使得接入能力较弱的终端(如单模终端)的呼叫阻塞概率要高于接入能力较强的终端(如多模终端)．为了降低不公平性对网络性能的影响，提出一种考虑公平性的联合呼叫接纳控制算法．根据移动终端的模态、网络负载以及接入影响指数来进行呼叫接入决策，降低了低模终端的呼叫阻塞/掉线概率，改善了资源在异构终端之间分配的公平性．

关键词: 联合呼叫接纳控制, 异构无线网络, 异构移动终端, 公平性

Abstract:

In heterogeneous wireless networks, mobile terminals of different capabilities (heterogeneous terminals) will be used by subscribers to access network services. There is a problem of the unfairness in allocation of radio resources among heterogeneous mobile terminals in heterogeneous wireless networks. Low-capability mobile terminals (such as single-mode terminals) suffer high call blocking probability, whereas high-capability mobile terminals (such as quad-mode terminals) experience very low call blocking probability. This paper proposes a fairness-aware joint call admission control (JCAC) algorithm to reduce the unfairness. The proposed JCAC algorithm makes call admission decisions based on the mobile terminal modality (capability), network load, and radio access technology (RAT) influence index. Experimental results show that the proposed algorithm reduces the call blocking/dropping probability of low-capability mobile terminals, and improves fairness in allocation of radio resources among heterogeneous terminals.

Key words: joint call admission control, heterogeneous wireless network, heterogeneous mobile terminal, fairness

中图分类号:

TN929.5

冯晓峰;祁飞;吕宗庭. 异构无线网络联合呼叫接纳控制优化算法[J]. J4, 2013, 40(5): 194-199.

FENG Xiaofeng;QI Fei;LV Zongting. Fairness-aware joint call admission control in heterogeneous wireless networks[J]. J4, 2013, 40(5): 194-199.

参考文献

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异构无线网络联合呼叫接纳控制优化算法

Fairness-aware joint call admission control in heterogeneous wireless networks

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