毫米波网络非正交多址接入的新型用户配对方案

doi:10.7523/j.ucas.2020.0016

中国科学院大学学报 ›› 2022, Vol. 39 ›› Issue (2): 252-259.DOI: 10.7523/j.ucas.2020.0016

• 电子信息与计算机科学 • 上一篇

毫米波网络非正交多址接入的新型用户配对方案

鲁晓琳^1,2,3, 周勇¹

1 上海科技大学信息科学与技术学院, 上海 201210;
2 中国科学院上海微系统与信息技术研究所, 上海 200050;
3 中国科学院大学, 北京 100049

收稿日期:2020-02-10 修回日期:2020-04-08 发布日期:2021-05-31
通讯作者: 鲁晓琳
基金资助:
国家自然科学基金（61971286）资助

A novel user pairing scheme for millimeter wave non-orthogonal multiple-access networks

LU Xiaolin^1,2,3, ZHOU Yong¹

1 School of Information Science and Technology, ShanghaiTech University, Shanghai 201210, China;
2 Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China;
3 University of Chinese Academy of Sciences, Beijing 100049, China

Received:2020-02-10 Revised:2020-04-08 Published:2021-05-31

摘要/Abstract

摘要： 面对5G毫米波网络中多用户的高速率需求，为进一步加强毫米波网络中的下行链路非正交多址接入传输，提出一种基于角度和距离联合的新型用户配对方案。该方案充分考虑了天线阵列形成波束的高定向性和用户的随机性。基站根据用户之间的瞬时空间角度差和距离基站的位置信息来选择配对用户，并将适时地选择启用非正交多址接入方案。通过使用随机几何的方法，得出用户遍历总速率理论值。仿真结果表明，该方案得到的遍历总速率高于另外4种常见的用户配对方案，且存在距离阈值的最优值，该值使遍历总速率最大化。

关键词: 毫米波, 非正交多址接入, 用户配对, 随机几何

Abstract: For the features of high-speed and multiple-requirements of multiple users in 5G millimeter wave networks, in order to further enhance the downlink non-orthogonal multiple-access transmission in millimeter wave networks, a novel user pairing scheme based on angle and distance is proposed in this paper. This scheme fully considers the high directional beam-forming of the antenna array and the randomness of the user. The base station will choose to enable the nonorthogonal multiple access scheme based on the instantaneous spatial angle difference and the distance information between the paired users. Using methods from stochastic geometry, we derive the ergodic sum rate of the proposed scheme. Simulation results show that this scheme outperforms four other common user pairing schemes, and there is an optimal value of the distance threshold that maximizes the ergodic sum rate.

Key words: millimeter wave, non-orthogonal multiple-access(NOMA), user pairing, stochastic geometry

中图分类号:

TN92

鲁晓琳, 周勇. 毫米波网络非正交多址接入的新型用户配对方案[J]. 中国科学院大学学报, 2022, 39(2): 252-259.

LU Xiaolin, ZHOU Yong. A novel user pairing scheme for millimeter wave non-orthogonal multiple-access networks[J]. Journal of University of Chinese Academy of Sciences, 2022, 39(2): 252-259.

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毫米波网络非正交多址接入的新型用户配对方案

A novel user pairing scheme for millimeter wave non-orthogonal multiple-access networks

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