| NOMA增强型D2D通信的资源分配算法 |
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| 引用本文： | 杨佳颖,李汀,解培中. NOMA增强型D2D通信的资源分配算法[J]. 信号处理, 2021, 37(8): 1441-1451. DOI: 10.16798/j.issn.1003-0530.2021.08.011 |
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| 作者姓名： | 杨佳颖 李汀 解培中 |
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| 作者单位： | 南京邮电大学通信与信息工程学院 |
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| 基金项目： | 国家自然科学面上基金(61771254):5G移动通信系统中基于微分流形最优化算法的预测预编码技术研究 |
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| 摘 要： | 传统蜂窝网络中,多址接入技术起着尤为关键的作用,与正交多址(Orthogonal Multiple Access,OMA)技术相比,非正交多址(Non-Orthogonal Multiple Access,NOMA)能够支持的用户数量远远超过可用正交资源的数量,可以达到更高的频谱效率和用户公平性.因此,为提高异构蜂窝网...
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| 关 键 词： | 异构蜂窝网络 非正交多址 设备到设备通信 资源分配 |
| 收稿时间： | 2021-03-25 |
NOMA enhanced D2D communication resource allocation algorithm |
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| Affiliation: | School of Communication and Information Engineering, Nanjing University of Posts and Telecommunications |
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| Abstract: | In traditional cellular networks, multiple access technology plays a particularly critical role. Compared with Orthogonal Multiple Access (OMA) technology, The number of supported users using Non-Orthogonal Multiple Access (NOMA) far exceeds the number of available orthogonal resources, which can achieve higher spectrum efficiency and user fairness. Therefore, in order to improve the overall capacity of heterogeneous cellular networks, this paper studied the resource allocation problem of NOMA enhanced device to device (D2D) and decomposes it into two independent sub-problems: channel allocation and power control. On the one hand, the D2D group was allocated appropriate channels based on the Coalition game; on the other hand, the D2D transmission power and power allocation factor were jointly optimized according to the feasible solution domain to maximize the D2D achievable rate in the entire network. The simulation results show that the proposed algorithm can effectively reduce the computational complexity while ensuring the performance of the system. |
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