Abstract
Coordinated multipoint (CoMP) has been applied as a key technology to enhance the coverage of cell and mitigate the intercell interference (ICI) in LTE-A. Traditional fundamental research of cell clustering for CoMP concentrates on both static and dynamic clustering. However, in the high data demands and heavy ICI scenario, both the static and dynamic clustering cannot ensure good Quality of Service (QoS) for User Equipments (UEs). Hence, in this paper, we formulate the problem to maximize cell-edge throughput and analysis the system complexity, and the time detection based hybrid clustering strategy for JP (Joint Processing)-CoMP is proposed to solve this problem. Based on LTE system level platform, simulation results show that the proposed scheme has better performance than static clustering even gets close to dynamic clustering with less complexity.
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- 1.
Such as clusters of (1,2,3), (4,5,10),...,(7,11,12) constitute \(C_{1i}\) in Fig. 2.
- 2.
As shown in Fig. 2, the fixed structure such as cell 1, 2, 3 is integrated a cluster (1,2,3) in each TTI of cycle \(L_{1}\). The cluster (4,5,10) which appears frequently in most of TTI of cycle \(L_{1}\) represents the high frequency cluster. Moreover the cluster structure changes obviously refers to variable structure cluster, such as clusters (6,8,9), (7,11,12) and (6,7,11).
- 3.
On the basis of the fixed structure of \({F_1}\) and \({H_1}\), (1,2,3) and (4,5,10) is processed as static cluster, and the cells of \({V_1}\) clustering in the mechanism of dynamic clustering for cycle \(L_{2}\) in Fig. 2.
References
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Acknowledgement
This work was supported in part by National Natural Science Foundation of China (61372070), Natural Science Basic Research Plan in Shaanxi Province of China (2015JM6324), Ningbo Natural Science Foundation (2015A610117), National Science and Technology Major Project of the Ministry of Science and Technology of China (2015zx03002006-003), and the 111 Project (B08038).
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© 2017 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Song, F., Zhao, L., Liang, K., Guo, C. (2017). Time Detection Based Hybrid Clustering Strategy for JP-CoMP in LTE-A. In: Lee, JH., Pack, S. (eds) Quality, Reliability, Security and Robustness in Heterogeneous Networks. QShine 2016. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 199. Springer, Cham. https://doi.org/10.1007/978-3-319-60717-7_36
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DOI: https://doi.org/10.1007/978-3-319-60717-7_36
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