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

Abstract

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

CLC Number:

TN929.5

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

References

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Fairness-aware joint call admission control in heterogeneous wireless networks

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