A QoE-based cell range expansion scheme in heterogeneous cellular networks
Deploying low-power nodes （LPNs） overlaid with Macro cells is a promising strategy to improve the coverage and capacity of cellular systems. Meanwhile, cell range expansion （CRE） scheme is proposed to select a proper serving base station （BS） for users between Macro eNodeBs and LFNs, and then offloa...
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| Veröffentlicht in: | Science China. Information sciences 2015-08, Vol.58 (8), p.152-162 |
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| container_title | Science China. Information sciences |
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| creator | Yuan, TingTing Fei, ZeSong Li, Na Wang, NiWei Xing, ChengWen Liu, JiaKang |
| description | Deploying low-power nodes （LPNs） overlaid with Macro cells is a promising strategy to improve the coverage and capacity of cellular systems. Meanwhile, cell range expansion （CRE） scheme is proposed to select a proper serving base station （BS） for users between Macro eNodeBs and LFNs, and then offloading of traffic from Macro cell is made. In this paper, first, we introduce the LPNs deployment strategy and its activation criteria in the heterogeneous system. Then, a quality of experience （QoE）-based CRE scheme to adjust the coverage area of LPNs adaptively is proposed. Different from the existing CRE schemes, the QoE values for different users with different services are considered when the users try to select an appropriate serving BS. Finally, simulation results demonstrate that the proposed scheme can improve cell edge user experience for various services as well as overall system performance. |
| doi_str_mv | 10.1007/s11432-015-5297-7 |
| format | Article |
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Meanwhile, cell range expansion （CRE） scheme is proposed to select a proper serving base station （BS） for users between Macro eNodeBs and LFNs, and then offloading of traffic from Macro cell is made. In this paper, first, we introduce the LPNs deployment strategy and its activation criteria in the heterogeneous system. Then, a quality of experience （QoE）-based CRE scheme to adjust the coverage area of LPNs adaptively is proposed. Different from the existing CRE schemes, the QoE values for different users with different services are considered when the users try to select an appropriate serving BS. 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| source | SpringerNature Journals; ProQuest Central UK/Ireland; Alma/SFX Local Collection; ProQuest Central |
| subjects | Cellular communication Computer Science Information Systems and Communication Service Research Paper User experience 基础 异构系统 扩展方案 细胞 蜂窝系统 蜂窝网络 边缘用户 部署策略 |
| title | A QoE-based cell range expansion scheme in heterogeneous cellular networks |
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