具有几乎空白子帧的异构网络小区间干扰协调的资源分配方法

2019 5th International Conference on Transportation Information and Safety (ICTIS) Pub Date : 2019-07-01 DOI:10.1109/ICTIS.2019.8883845

L. Jiang, H. Che, W. Sun, J. Liu

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引用次数: 4

摘要

为了协调异构网络(HetNets)中小区间的干扰，提高系统总吞吐量，本文引入了几乎空白子帧(ABS)。在分析现有系统干扰的基础上，建立了一个广义分配问题(GAP)模型。采用蚁群优化算法，共同解决了宏细胞和微细胞资源分配问题和用户设备分配问题。仿真结果表明，与文献中提出的其他算法和两种固定的增强小区间干扰协调(eICIC)模式相比，该方法可以显著提高系统的总吞吐量。

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Resource Allocation Method for Inter-Cell Interference Coordination in Heterogeneous Networks with Almost Blank Subframe

In order to coordinate the inter-cell interference and improve the total system throughput in heterogeneous networks (HetNets), almost blank subframe (ABS) is introduced in this paper. Based on the analysis of the existing system interference, a model is formulated as a generalized assignment problem (GAP). By using ant colony optimization (ACO), the macro cell and pico cell resource allocation problem and user equipment (UE) assignment problem are jointly solved. Simulation results show that, compared with other algorithms proposed in the reference paper and the two kinds of fixed enhanced inter-cell interference coordination (eICIC) patterns, this proposed method can improve the total system throughput significantly.

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2019 5th International Conference on Transportation Information and Safety (ICTIS)

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