| 基于能效的OFDMA系统资源分配研究* |
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| 引用本文： | 毛攀,刘紫燕.基于能效的OFDMA系统资源分配研究*[J].计算机应用研究,2017,34(9). |
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| 作者姓名： | 毛攀 刘紫燕 |
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| 作者单位： | 贵州大学大数据与信息工程学院,贵州大学大数据与信息工程学院 |
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| 基金项目： | 国家自然科学基金资助项目；贵州省科学技术基金项目；贵州省本科教学工程项目 |
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| 摘 要： | 在正交频分多址（OFDMA）系统中，合理的资源分配对于提升系统的能效具有重要的意义。针对多用户OFDMA系统，对最大化系统能效为目标的资源分配算法进行研究，提出了基于智能水滴算法的全连通图资源分配模型，该模型以全连通图的顶点和边来表示用户与子载波之间的对应关系。在此基础上，进一步对智能水滴算法进行改进。仿真结果表明，在满足用户QoS的条件下，所提出的改进的智能水滴算法的全连通图资源分配方案能够有效提高系统能效，提升系统性能。
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| 关 键 词： | 正交频分多址 能效 资源分配 智能水滴 |
| 收稿时间： | 2016/6/17 0:00:00 |
| 修稿时间： | 2017/6/7 0:00:00 |
Energy-Efficient resource allocation in OFDMA system |
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| MAO Pan and LIU Zi-yan.Energy-Efficient resource allocation in OFDMA system[J].Application Research of Computers,2017,34(9). |
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| Authors: | MAO Pan and LIU Zi-yan |
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| Affiliation: | College of Big Data and Information Engineering, Guizhou University, |
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| Abstract: | Reasonable resource allocations on OFDMA system play an important role in enhancing system performance. The research of multi-user OFDMA system is mainly aimed at the resource allocation algorithm maximizing system energy efficiency. The article proposed an allocation model of totally connected graph on intelligent water drops algorithm, and vertices and edges of totally connected graph on this model can express the corresponding relationship between user and subcarrier. Finally, based on this, it can improve the intelligent water drops algorithm further. The simulation results indicate that under meeting the needs of user QoS(quality of service), the totally connected graph resource allocation scheme of optimized intelligent water drops algorithm can effectively increase energy efficiency and promote system performance. |
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| Keywords: | Orthogonal Frequency Division Multiple Access(OFDMA) Energy-Efficient Resource Allocation Intelligent Water Drops |
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